Edit: Changed the title to make the answer easier to find. The battery popup killer mod has nothing to do with why the battery level drops after unplugging, as you will learn when you read the linked article. Now, on to my original post...
Pretty much every ROM for the Epic now incorporates the Battery Full Popup Killer mod at this point, but are we sure there aren't any unintended side effects of it? Is the battery charge state still being recorded to the batterystats.bin file? I know when you delete it through a file manager, or reset the stats through CWM, it does regenerate, but there is a lot more info in that file than just the full and empty charge levels of the battery, so it would be regenerated for the other services that use it.
I've had issues with my battery reporting that it's full, but only showing a charge of anywhere between 94-98%. Now, if my battery were actually defective, and losing capacity faster than normal, the batterystats.bin file should be compensating for that by recording the lower full charge level and adjusting the percent reporting accordingly, but it doesn't seem to be doing that.
So, are we sure the state of the battery is being recorded, even though the popup is being blocked? What else could be causing this issue with so many people reporting that their batteries aren't charging to full?
Questions need to go in the q&a section to keep the development section for pure development. Or as a reply on someones thread/rom. Although I have seen this question raised once before on mammons thread I think. I think the answer was that the battery is not set to charge to 100, and some other technictal details I can't remember. But from a day 1 owner of epic, my phone has never charged above 96-98, it will go to 100, but the second I pull it off charger down to 96-98. Even stock, with no mods to the battery popup notification. And now being on a rom that does have that no pop up notification, so I don't have to get woken up from a vibrating phone, there is no change. I'm sure someone else can give you the more detailed explination though.
Sent from my SPH-D700 using XDA App
I forgot that there was a Q&A thread in the development section, sorry to clutter things up. Thanks for the details, I'll see if I can find the Mammon thread that has the same question in it.
Hopefully this gets moved to the proper section as its a good question. Firon and I did some early work on this mod and I can tell you that we simply aimed at the graphical display and then stopped it from reporting. We didn't alter how it reports %s in anyway. I can also say that this issue is found in a stock epic right out of the box. My feelings are that the actual code for charging the battery is done this way on purpose which is lazy and over cautious imho, maybe they were worried about ruining batteries or even having one explode. Sounds like poor project management in any case.
sent by an Epic4g through the cosmos
OK, after searching through the threads for a little while, I found a very good article dealing with this issue.
http://www.androidpolice.com/2010/1...bump-charging-and-inconsistent-battery-drain/
Basically, the battery is supposed to charge to 100%, and then it stops charging to drop the battery level down to a safe level. It will then periodically charge the battery again to maintain a high (but safe) charge level, but never back to 100%. The batteries used in smartphones today aren't safe to keep at 100%, nor is it good for them (they corrode faster), so the charging system keeps them at a full, but not completely full state during the charging process. The phone will report the battery as being full while plugged in, even though it could be running fully on battery power at that moment and a few percentage points below 100%. It does this to make it easy for regular users to know when their phone is finished charging. It's only when you delve into the details that you start to see that the battery isn't actually fully charged, and start to rip your hair out when trying to figure out why it won't do it.
To sum up the entire article, it's supposed to do that. There isn't anything wrong with your battery, or your phone, it's done to prolong the life of the battery, and so the battery won't explode or catch fire by being held at 100% for too long.
The only time my battery meter reads 100% is when I pop a fresh battery in from my external charger.
Sent from my SPH-D700 using Tapatalk
I should have also added in my last post that bump charging does actually work, but will decrease the life of your battery. The experiment that the author of the linked article concluded that bump charging until the phone actually reads 100% while unplugged increased his battery charge by around 15%. Now, if holding your battery at 100% causes premature corrosion, it only makes sense that holding it at 115% causes corrosion at a greater rate.
If you absolutely must get the most time out of your battery, and are willing to buy a new one later on, go ahead a bump charge the **** out of that battery. The author suggests (and sites battery university as a source) that the best way to go about battery charging is to do several short charges throughout the day, rather than 1 deep charge from 0 to 100%.
Also, the author suggests that you stop obsessing on what the reported charge is telling you, and just use your phone.
Still makes no sense. They could code it to say 100% when its at 95% then so we atleast have the impression that its as full as could be safely. Like I said, over cautious and lazy imho...
sent by an Epic4g through the cosmos
Yeah, I suppose it is, but then it wouldn't be accurately reporting the battery level, which I guess is what Android's goal is. Personally, I'd prefer that if 95% is as much as I'm going to get out of a charge, than Android should just lie to me and tell me it's 100%.
mattallica76 said:
The only time my battery meter reads 100% is when I pop a fresh battery in from my external charger.
Sent from my SPH-D700 using Tapatalk
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Click to collapse
same here, was going to say this as well.
yogi2010 said:
same here, was going to say this as well.
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I wonder if that's because the charge process brings the battery to 100% initially, then stops charging. Since the battery is in an external charger, there's nothing to draw power from it, so when it hits 100% and stops charging, it remains at 100% until there's a draw on the power.
I'm curious as to whether or not the user guide for the external charger mentions anything about not leaving your charged battery sit for a certain length of time. Based on the linked article, it's claimed that keeping the battery at 100% is damaging to it.
Migital Warfare said:
I wonder if that's because the charge process brings the battery to 100% initially, then stops charging. Since the battery is in an external charger, there's nothing to draw power from it, so when it hits 100% and stops charging, it remains at 100% until there's a draw on the power.
I'm curious as to whether or not the user guide for the external charger mentions anything about not leaving your charged battery sit for a certain length of time. Based on the linked article, it's claimed that keeping the battery at 100% is damaging to it.
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that's probably true about there not being anything to draw power when it's in the ext. charger. the funny thing is, I will pop in the fresh battery, and it will boot up the phone, and I can even do a several things, and the battery will still be at 100!
I try to take the battery out of the charger as soon as possible once it hits full charge, but I'm not always able to. I don't think there were any instructions wth the charger.... the whole thing was prety minimal: I paid my 12 bucks, or whatever, and never heard from them at all, until 2 weeks later an envelope arrived from China, containing only a charger and 2 batteries, lol.
I have both the Samsung OEM battery charger that they sell in the sprint store, and the cheepo Hong Kong charger that comes with knock off batteries. They both stop charging when the chip in the battery says it's full. Neither one had any documentation. I've seen zero negative effects from leaving any of my 5 oem batteries fully charged for long periods of time. The two knockoff batteries I had both died permenantly after about a month.
Sent from my SPH-D700 using Tapatalk
mattallica76 said:
I have both the Samsung OEM battery charger that they sell in the sprint store, and the cheepo Hong Kong charger that comes with knock off batteries. They both stop charging when the chip in the battery says it's full. Neither one had any documentation. I've seen zero negative effects from leaving any of my 5 oem batteries fully charged for long periods of time. The two knockoff batteries I had both died permenantly after about a month.
Sent from my SPH-D700 using Tapatalk
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dang, i guess i've had better luck with the cheapos.... been running them daily for over 2 months, and can't tell any difference between them and the Samsung battery that came with the phone.
yogi2010 said:
dang, i guess i've had better luck with the cheapos.... been running them daily for over 2 months, and can't tell any difference between them and the Samsung battery that came with the phone.
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Click to collapse
When they worked, they worked great. But one day I charged one up and stuck it in my pocket. When I stuck it in my phone, i got nothin. I took it home and put it back in the charger and the indicator light said it was fully charged but it was completely bone dead. Wouldn't take a charge at all. Same thing happened to the other one a couple weeks later. I have yet to have any problems with the oem batteries.
really nice article and it actually makes me feel a lot better. i thought it was attributed to certain ROMs somehow as i feel like i picked the phone up at 100 and it stayed there on some but not others. guess that was all placebo, lol. i think hte best part of the article is right at the end:
If you are someone who can top off your phone on a regular basis, do it. Plug it in when you’re at home. Plug it in when you’re at your desk. As explained by Battery University, "Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory."[2]
peace
Thanks for the informative thread
Related
So.... following Mikey1022's thread crusade, I'm almost hesitant to post this here, but I feel like I'm going to get the most accurate answer from the people in this forum vs general...
On Cyanogens site, I found this for Battery Recalibration:
Battery recalibration
If you're experiencing higher than normal battery drain, try the following:
1. Charge the phone to full battery; let it keep charging until the battery says it is fully charged. Do not wait until the light is green, it isn't always fully charged, causing a lot of inaccuracies. (You can check by going to: Settings -> About Phone -> Status -> Battery Level = Full.)
2. Boot to recovery mode and go to console (or adb shell) and type:
mount -a
rm /data/system/batterystats.bin
NOTE: Newer Amon_Ra recoveries have an option to delete the battery stats, do this in place of the console commands above.
NOTE: To have the most accurate of battery stats, reboot the phone immediately after wiping the battery stats and wait for CM to boot completely to the desktop. Once your entire boot is done and you have full access to the phone, go ahead and pull the charger and continue with this troubleshooter.
1. Do not charge the phone until after draining the battery completely, resulting in it automatically shutting off.
2. Recharge the phone completely and then use as you normally would.
SO I'm at work, and don't have the option to check this, but unlike "hardware" battery calibration I'm mostly curious about removing the batterystats.bin
Would it help us with our battery woes, or do ours go deeper? For some reason, I noticed that mine's been draining a LOT faster in the past month or so then before...
Any thought?
This belongs in the general area?
I really don't think there's a magic forumula for these LIPO batteries. Unless you have a bad battery, you like numerous others need to join the battery 12 step program. I've already been through it. "Hello, my name is Sean and I'm obsessed with my battery life."
Long story short, just keep charge the battery when it gets low. If you work near an outlet or computer, and sleep near one - it's quite easy to keep the battery up throughout the day.
FYI, I've read up on this a bit regarding laptop batteries. It has nothing to do with the actual battery life or the "memory effect" (these batteries don't have a memory effect). It has to do with the OS's interpretation of the battery's performance and how it is reported to the user. So you're really recalibrating Android, not the physical battery. As far as I've read, this only "needs" to be done once in a great while, once a year maybe. Or if you notice something really odd with the battery level reporting.
I did this this morning as well since my phone was fully charged and ready to try it. Not had any hugely bad side effects from the phone and new battery (1750), but we will see if this changes anything.
wraithdu said:
FYI, I've read up on this a bit regarding laptop batteries. It has nothing to do with the actual battery life or the "memory effect" (these batteries don't have a memory effect). It has to do with the OS's interpretation of the battery's performance and how it is reported to the user. So you're really recalibrating Android, not the physical battery. As far as I've read, this only "needs" to be done once in a great while, once a year maybe. Or if you notice something really odd with the battery level reporting.
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Well, actually, that's why I put it in the development forum. These instructions are telling us to remove things from the system. Also on that note, my battery went from being at 30% full by 10pm (fully charged in the morning) to 30% full by 3pm (YES, 3) so something is definitely wrong, not just "I am obsessed with my battery life". Mind you, I'm at work until 2, so my phone drains to 30% on IDLE, with screen off. I was thinking maybe Android is misinterpreting something? I removed all programs that I thought might be causing this, turned off wifi, bt, gps, still no go. Maybe bad battery?
What I'm thinking this may help with is the fully charged issue the incredible has. I wouldn't follow the above instructions exactly however. Let me explain.
If you've ever noticed, the OS doesn't report "fully charged" correctly. Charge your battery to full (where both the green light comes on AND the "about phone" battery status says "Full". Now shut your phone off, you'll notice your light turns orange again, and will charge for about 30 minutes, sometimes more depending on how far off the battery is. If you turn on your phone after this, you'll notice you stay at 100% for quite some time. This is the case with a lot of incredibles from what I've seen... It probably has to do with the calibration notated above.
I would say do the calibration noted above, however, charge it the way I just noted (charge to full, shut the phone off, let it finish charging to full...). Then follow the rest of the steps immediately following. Might make a difference.
EDIT: this is probably even more true for the 1750mAh battery.
calibration and such has been discussed but not under its own name on page 3 i explain abit about the lithim ion battery vs nickel cadium.
http://forum.xda-developers.com/showthread.php?t=695472
junjlo said:
calibration and such has been discussed but not under its own name on page 3 i explain abit about the lithim ion battery vs nickel cadium.
http://forum.xda-developers.com/showthread.php?t=695472
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I was witness to that thread, and yes, you are correct, Lithium Ion batteries do not need to be conditioned, it is useless... However, we are not talking of conditioning, we are talking of proper reporting of battery life through the OS, which IS how Lithium Ion memory works. This is not saying to Cycle your battery 3 times to "condition" it to full potential. It is stating that the OS is not properly calibrated to report the proper life of the battery. If the OS cuts the charging of a Lithium Ion battery because it "thinks" it is at 100% charge, while the battery itself is at 80% (just a random example), then your battery life is going to appear to be shorter than it should. The example posted above would theoretically reset the OS so that when it says the battery is at 100%, it indeed is at 100%, preventing it from cutting a charge before it should. See my post previous post if you are confused. "Conditioning" is an entirely different animal, in which you "train" the batteries memory (in Nickel cad batteries) before utilizing your battery in normal charging operations. Lithium Ion does not have this memory, making "Conditioning" useless.
Moral to the Story here is to fully charge your phone when its off and you don't have to deal with any of these work arounds. Am I right?
buy a second battery and an external charger. I do this with every phone and I always seam to get battery life that is on the high side of what people report
Thank you for correcting that was bit early in the morning thought it was same question.
Sent from my ADR6300 using Tapatalk
I'm trying this and I've seen an improvement already on the stock battery. Been off charge for 8hrs and 13 mins and is still at 70% charge. Figures it holds a charge when you want to run it down!
jermaine151 said:
I'm trying this and I've seen an improvement already on the stock battery. Been off charge for 8hrs and 13 mins and is still at 70% charge. Figures it holds a charge when you want to run it down!
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What, exactly, are you trying that's giving the improvement? The OP's suggestion of booting into recovery and deleting battery stats, or the other common suggestion of turning phone off for the remainder of the charge? 70% after over 8 hours is FAR better than I'm seeing, and I'd like to see the same results.
alexdw369 said:
What, exactly, are you trying that's giving the improvement? The OP's suggestion of booting into recovery and deleting battery stats, or the other common suggestion of turning phone off for the remainder of the charge? 70% after over 8 hours is FAR better than I'm seeing, and I'd like to see the same results.
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I charged with the phone off, then went into recovery and deleted the battery stats file. Now I'm trying to discharge it completely.
jermaine151 said:
I charged with the phone off, then went into recovery and deleted the battery stats file. Now I'm trying to discharge it completely.
Click to expand...
Click to collapse
I am doing the same. Will follow up with results in a few days.
alexdw369 said:
What, exactly, are you trying that's giving the improvement? The OP's suggestion of booting into recovery and deleting battery stats, or the other common suggestion of turning phone off for the remainder of the charge? 70% after over 8 hours is FAR better than I'm seeing, and I'd like to see the same results.
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That's awesome! That's great battery life. I might have to try this.
~ IRC: nostradamus ~
EM30996 said:
That's awesome! That's great battery life. I might have to try this.
~ IRC: nostradamus ~
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Click to collapse
Trying it myself tonight. Will post results tomorrow.
I'm trying it to. I will post results.
Sent from my HTC Incredible using Tapatalk
Just tried this method, fully charging the phone when it's off then wiping the battery stats. Hoping it'll fix the annoying problem that the battery doesn't fully charge when the phone is on, although I'm not sure if it even can be fixed -- does anyone know?
I'll update if I remember next time I charge it.
Giving a try
Hey guys. I am also giving this a try today.
I just completely charged my battery last night with it off. This morning I unplugged the charger (while the phone was still off) and plugged back in to make sure that the battery was fully charged. The green light turned orange for a couple of minutes and back to green so I proceeded to boot to recovery and removed the battery file. I am also running a Seidio 1750mah.
I am now up and running. I will post later this afternoon to let you know how it's going.
If this fixes the weird battery bug where the Incredible doesn't charge fully, I will kiss the OP. Seriously.
As you all know, the Evo battery charging mechanism is very quirky. If you are using the stock battery, the mechanism is not THAT bad once you understand how it works. If, like me, you are using the 3500 battery, charging the battery in the Evo is pretty much futile. Reason being, for some reason the Evo still thinks it is charging the stock battery despite the fact that you have a battery that is 2.5 the capacity in it. What this means is, the fully charged green light comes on at about the 65% level and you ultimately have to play a guessing game as to when the battery is actually charged. This is also after calibrating and wiping stats and doing whatever dumb HTC/sprint charging "trick" out there.
I am pleading here for someone to create an app that measures the true capacity and charge level of the battery so that we can all, especially extended battery users, know when the battery is actually fully charged. I am positive that there are donations in the project as this app will benefit all Evo users.
Please help and thanks in advance.
+1
I've been looking at the 3500mAh batteries as well, would love to get one, but i flat refuse to pry open my Evo everytime I want a FULL charge (having to resort to wall charging)
I'm not an expert in electrical engineering at all but I'm going to make an educated guess that the charging circuitry is independant of anything that the OS itself can control. Even with the phone 100% off it still has to obey the "rules" of charging that HTC setup. (i.e. charging to 100% then running off battery till it hits 90%) So I don't see how there can be an easy workaround for extended battery users if they want a true 100% charge.
I'd love a bit more juice myself, but like I said the only time I want to have to open up the back is if im upgrading my mSD card. If and until someone can come up with a solution, hell yeah! Until then I will just play with juice defender and hone my battery saving ability via software
I know the Battery Time app you can put in how big your battery is. Just select other when choosing your phone.
Sent from my PC36100 using XDA App
in for progress on this.
so tell me even though the phone thinks the battery is charged, does it stop charging it too?
If I remember correctly that may have to be done in the ROM/kernel, there is most likely a charging timer somewhere in there that stops it for safety reasons.
When changing the timer remember that the batteries are actually closer to 2800mAh than 3500, you don't want to overcharge it.
http://batteryboss.org/
Jsimon9633 said:
in for progress on this.
so tell me even though the phone thinks the battery is charged, does it stop charging it too?
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No it continues to charge which is even more nonsensical and adds to the frustrating guessing game. Seidio recommends that you keep the phone on the charger for 2-3 hours passed the time that the light turns green. Again, more guess work.
xHausx said:
If I remember correctly that may have to be done in the ROM/kernel, there is most likely a charging timer somewhere in there that stops it for safety reasons.
When changing the timer remember that the batteries are actually closer to 2800mAh than 3500, you don't want to overcharge it.
http://batteryboss.org/
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Click to collapse
I think you are referring to wiping battery stats. I have tried this on several Roms and kernels to no avail. Also, if you aren't rooted, how would you go about wiping stats? An app would help a lot of people out.
Also after doing some more research and testing, any app that provides battery level that I have used including OS monitor, spare parts, etc. will basically spit out what the OS is telling it and not measure the true level. Unfortunatley, the OS is stuck on stupid and we are back to the original issue.
MSmith1 said:
I think you are referring to wiping battery stats. I have tried this on several Roms and kernels to no avail. Also, if you aren't rooted, how would you go about wiping stats? An app would help a lot of people out.
Also after doing some more research and testing, any app that provides battery level that I have used including OS monitor, spare parts, etc. will basically spit out what the OS is telling it and not measure the true level. Unfortunatley, the OS is stuck on stupid and we are back to the original issue.
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I don't believe it is possible for an app to do what you are wanting, the charging process is controlled by the operating system itself and is built into the kernel.
There are two main steps to charging a li-ion and the first one finishes when the battery is around 70% full. So either something is causing the phone not to start the second part of the process, it is just timing out thinking that battery should have been by that time, or, since the batteries have circuitry inside of them, it could be the battery itself that is doing it. Have you tried charging your phone through your USB port? It takes longer but the battery may not like how much power the wall charger pushes through it.
Edit: I think I misread your OP, does your phone stop charging when it says it's full or does it keep charging?
xHausx said:
I don't believe it is possible for an app to do what you are wanting, the charging process is controlled by the operating system itself and is built into the kernel.
There are two main steps to charging a li-ion and the first one finishes when the battery is around 70% full. So either something is causing the phone not to start the second part of the process, it is just timing out thinking that battery should have been by that time, or, since the batteries have circuitry inside of them, it could be the battery itself that is doing it. Have you tried charging your phone through your USB port? It takes longer but the battery may not like how much power the wall charger pushes through it.
Edit: I think I misread your OP, does your phone stop charging when it says it's full or does it keep charging?
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The phone continues to charge. Based on what you are saying and my own findings, it seems the phone is reporting that initial charge at 70% as 100% when using the 3500 battery.
I am in the midst of testing some things right now related to all of this and will report back.
MSmith1 said:
The phone continues to charge. Based on what you are saying and my own findings, it seems the phone is reporting that initial charge at 70% as 100% when using the 3500 battery.
I am in the midst of testing some things right now related to all of this and will report back.
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Thanks keep us up to date. I bought this battery too so very interested in any possible solution you find.
Basically the os says its 100% when in reality its not even close, more like 65% right?
Jsimon9633 said:
Thanks keep us up to date. I bought this battery too so very interested in any possible solution you find.
Basically the os says its 100% when in reality its not even close, more like 65% right?
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Yes. 10char.
how does the phone read the charge or does it?
maybe a glitch in regulating the flow?
any software determine could do this?
mine charges a good 8-10 hrs a night
never had a phone that needed more
anyone had to buy a standard battery replacement and get better battery?
software or hardware?
Jsimon9633 said:
Thanks keep us up to date. I bought this battery too so very interested in any possible solution you find.
Basically the os says its 100% when in reality its not even close, more like 65% right?
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Looks like I failed again. This issue really needs attention from someone well versed with how the Evo charges the battery and how to tweak the reporting deep in the android system. Wiping battery stats in recovery does not solve this issue. We need a SetBat!
I got curious so I looked at the evo's source and found that it stops charging when it thinks the battery is full and doesn't start again until it drops down to 80%. Although it should start charging again if you unplug it and then plug it back in. To fix it you will need someone to make drivers for your battery and incorporate it into a ROM.
Sorry I can't help more but compiling ROMs is still a little bit over my head right now.
xHausx said:
I got curious so I looked at the evo's source and found that it stops charging when it thinks the battery is full and doesn't start again until it drops down to 80%. Although it should start charging again if you unplug it and then plug it back in. To fix it you will need someone to make drivers for your battery and incorporate it into a ROM.
Sorry I can't help more but compiling ROMs is still a little bit over my head right now.
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Click to collapse
Very interesting. The problem here is, the Evo stops charging when it thinks the stock battery is at 100 even though you have an extended battery in it.
I guess we would need a talented dev to compile a fix. Hoping that this thread can bring some attention to that. Looks like we have progress already!
Here are my findings from the monitoring I was doing earlier. It's a lazy Saturday for me so I actually had the time to watch the battery charge. For background info, I am using CM6RC2 and Snap 7.01 with the Seidio 3500 battery.
I let my battery deplete completely last night and woke up to charge it. Knowing full well that the Evo does not charge the battery correctly, I did some research into how I could properly monitor the charge on my own. What we are basically looking to do is to charge the battery to or close to 4.2v. You can monitor this yourself using any battery monitoring program. I was using spare parts.
What I saw was, the battery would charge to what the Evo thought was 100 or close to 100 for the stock 1500 battery, the green light came on and the reporting stats of charge/voltage stopped there. The phone was reporting a constant charge of 100 and the voltage froze at 3.9v despite the fact that the battery was actually charged to around 60-65%. These numbers froze there for a long period of time. The 100/green light never went away and the freeze in voltage reporting lasted about 1+ hours. The freeze at 3.9v was basically the OS reporting the 3.9v in error because it still was thinking that the stock battery was in the phone. The actual battery charge level was neither 100 nor 3.9 volts. Like I said, the voltage stayed at 3.9 for a while, lets say an hour+, and then it started charging up again to 4.2. I saw all of this happen in spare parts. The highest I saw the voltage get was 4207. It took around 5 hours to get to this point. Once it was close enough to 4.2, I rebooted into recovery and wiped my battery stats using Clockwork. On reboot, the battery was actually around 95%. Now I could have plugged the phone back in and repeated they process above but, as this point I basically gave up knowing that I couldn't really go through this type of process ever again because I never have time to sit there and watch a battery charge.
So back to point of this post, we need someone to find a way to have the Evo report true battery stats for extended batteries and not continually have the phone think that it is charging the stock battery. I don't know if it can be done in an app, in a rom, or in a kernel but, however we can get this done, it would be more than amazing.
I have never had a problem with my 3500 Seidio Battery in terms of charging.
I have never had less than 90% charge when I leave for work. But as it has been pointed out multiple times, this phone charges till 100% and then works off the battery until it hits 90%. In essence, this phone will never be charged to 100% unless you do it while turned off or quite possibly with the battery out of the phone.
Next time you think you don't have a full charge, take it off the charger, turn it off and then back on. Then stick it back on the charger, you will see that the charge is down to say.... 93% then it should start charging again. But too be honest, on a 3500mAh Battery, I really don't see the need. If you really need 100%, the best way to achieve this is with the phone turned off.
there are people in evo forums across the net that would donate en masse for this once word spreads. if it needs to be unique to each battery, the four most used are stock, 1750, 3000 chinese (what I have), and 3500 seidio. I would definitely donate for a true fix
Brutal-Force said:
I have never had a problem with my 3500 Seidio Battery in terms of charging.
I have never had less than 90% charge when I leave for work. But as it has been pointed out multiple times, this phone charges till 100% and then works off the battery until it hits 90%. In essence, this phone will never be charged to 100% unless you do it while turned off or quite possibly with the battery out of the phone.
Next time you think you don't have a full charge, take it off the charger, turn it off and then back on. Then stick it back on the charger, you will see that the charge is down to say.... 93% then it should start charging again. But too be honest, on a 3500mAh Battery, I really don't see the need. If you really need 100%, the best way to achieve this is with the phone turned off.
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Click to collapse
I assume that you keep your phone charging all night?
If so, this isn't really for people who do that. This is more for people looking to charger their phone to at or near 100 on the go, at work, etc.
Also, 10% on the extended battery is probably a difference of at least an hour more battery. I'd say even more. That's a lot of time to me personally.
cabbieBot said:
there are people in evo forums across the net that would donate en masse for this once word spreads. if it needs to be unique to each battery, the four most used are stock, 1750, 3000 chinese (what I have), and 3500 seidio. I would definitely donate for a true fix
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Agreed. I'd rather donate money to a true fix than buy an external charger. I have funds to donate for this READY TO GO ASAP.
I think this is a firmware related issue.. I cannot count how many posts and different senarios (batteries, chargers, rom's) I have read, yet still this issue remains. The only things I have ran across that actually works is:
1. Charging the battery externally (wall charger, dock, or etc)
2. Charging phone while phone is turned off.
3. Bump charging (aka: battery conditioning, battery syncing, "plug/unplug method")
4. Clearing the battery stats
so what is the best thing to do?
is there any way of charging,dis charging ect to get the best battery life?
or should i just charg it to 100% and use it right away?
i did a charging squence with my nexus s. but duno about the Gn.
for me is to turn on the device and start working until the battery drops to 0-1%.
only then im charging it X2 then needed to go to 100%, you can make it Double if you want.
Well, this is going to be one of those threads where everyone has their own little way to care for a battery and others say their way is better, etc, etc the arguments breaking out which will result in people posting www.batteryuniversity.com in an effort to win said arguments.
Here's mine. On a brand new phone, I put the battery in, boot up, connect the charger, run it to 100%, disconnect charge, run battery all the way down, connect the charge, run to 100% and go about my life charging when I need to.
My two cents. Have no idea if it does any good, but my SGSII is going on 1 day 14 hrs on a single charge, so it must work somehow...
ericshmerick said:
Well, this is going to be one of those threads where everyone has their own little way to care for a battery and others say their way is better, etc, etc the arguments breaking out which will result in people posting www.batteryuniversity.com in an effort to win said arguments.
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100% Agree. There will be a lot of different opinions.
ericshmerick said:
Here's mine. On a brand new phone, I put the battery in, boot up, connect the charger, run it to 100%, disconnect charge, run battery all the way down, connect the charge, run to 100% and go about my life charging when I need to.
My two cents. Have no idea if it does any good, but my SGSII is going on 1 day 14 hrs on a single charge, so it must work somehow...
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Click to collapse
My way,
Turn on phone, charge it to 100%, leave it plugged for an extra 20 min, and start using it normally.
The only time I discharge a battery is after a couple of months. Because we never charge it to 100% and they start creating memory and charging less and less every time. The purpose of discharging it completely is to erase its memory. That's why when it is new, I see no point on discharging it completely. Batteries suffer every time they are completely discharged and if they are left 100% for a long period of time, thats why new batteries always come charged about 50%, to extend battery life since they may be stored for a long period of time. (ref. aviation school)
Just my 2 cents.
sstang2006 said:
The only time I discharge a battery is after a couple of months. Because we never charge it to 100% and they start creating memory and charging less and less every time. The purpose of discharging it completely is to erase its memory. That's why when it is new, I see no point on discharging it completely. (ref. aviation school)
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That hasn't been true since NiCd's in the 1980s.
Modern Lithium-Ion and Lithium-Polymer batteries have no "memory" and are actively damaged if allowed to discharge fully.
HooloovooUK said:
That hasn't been true since NiCd's in the 1980s.
Modern Lithium-Ion and Lithium-Polymer batteries have no "memory" and are actively damaged if allowed to discharge fully.
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Click to collapse
OK, I may be wrong I'm no expert.
Why do people keep discharging them to 0% if they have no memory? (I'm not been sarcastic)
sstang2006 said:
Why do people keep discharging them to 0% if they have no memory? (I'm not been sarcastic)
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Generally because they don't know any better and they don't realise battery technology has moved on.
Because batteries "back in the days" were quite sensitive to memory. That's why we were all raised by the complete-discharge-mantra, which sticks with you forever. The next generation won't have this problem and will feel free to charge their phones when they want to. ;-)
sstang2006 said:
OK, I may be wrong I'm no expert.
Why do people keep discharging them to 0% if they have no memory? (I'm not been sarcastic)
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Becouse android in itself keeps a battery log, it is from this log your device calculates the amount of battery you have left. To keep these values true (calibrated) you should do 2-3 cycles where you on purchase, discharge fully until device auto shut down, start it WITHOUT charge a couple of times and let it die to set the min value, charge up to 100%, use your device again till auto shut down... you dont have to worry about damaging your battery in this case since your device it programmed to shut down with good marginal of battery depletion. What you SHOULD NOT do is leave an empty battery uncharged for a long period of time.
Sent from my X10i using xda premium
Lithium batteries will be damaged if they are stored fully charged or fully discharged for extended periods of time. Thats why the battery is about half charged when its new. They have no memory effect, they just loose capacity.
Sent from my Nexus S using Tapatalk
Tjotte said:
Becouse android in itself keeps a battery log, it is from this log your device calculates the amount of battery you have left. To keep these values true (calibrated) you should do 2-3 cycles where you on purchase, discharge fully until device auto shut down, start it WITHOUT charge a couple of times and let it die to set the min value, charge up to 100%, use your device again till auto shut down... you dont have to worry about damaging your battery in this case since your device it programmed to shut down with good marginal of battery depletion. What you SHOULD NOT do is leave an empty battery uncharged for a long period of time.
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Click to collapse
Good point. While it's important not to fully discharge the battery too often, there is also the issue of calibrating the battery meter.
ericshmerick said:
Well, this is going to be one of those threads where everyone has their own little way to care for a battery and others say their way is better, etc, etc the arguments breaking out which will result in people posting www.batteryuniversity.com in an effort to win said arguments.
Here's mine. On a brand new phone, I put the battery in, boot up, connect the charger, run it to 100%, disconnect charge, run battery all the way down, connect the charge, run to 100% and go about my life charging when I need to.
My two cents. Have no idea if it does any good, but my SGSII is going on 1 day 14 hrs on a single charge, so it must work somehow...
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That's exactly what I do, had 14 hours of moderate use today and still had 45% left. More than happy with that. It seems to be getting better each day at the moment.
Crin said:
That's exactly what I do, had 14 hours of moderate use today and still had 45% left. More than happy with that. It seems to be getting better each day at the moment.
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78% after 14 hours here, but that's light use.
sstang2006 said:
OK, I may be wrong I'm no expert.
Why do people keep discharging them to 0% if they have no memory? (I'm not been sarcastic)
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The whole "discharging the battery fully" thing doesn't really apply here - because nobody will ever fully discharge it. The Nexus uses a Lithium Ion cell - it's a single cell, with a nominal voltage of 3.6V. When fully charged, it peaks at 4.2V (at which point, the charging circuitry cuts off to avoid overcharging). However, when we "fully discharge" our phones, the cell only goes as low as 3.5V - and then the phone shuts off.
In reality, lithium cells can discharge to around 3.0V before any damage occurs. However, this would yield very little extra battery life. Stopping at 3.5V provides a wide safety margin (lithium cells are potentially dangerous if overcharged/discharged), whilst extending cell life.
In a nutshell - don't worry about running your phone down to 0% (unless you're putting it in storage, in which case leave it at about 60%). In fact, it's a good thing with a new phone, as cycling (charging and discharging a cell) helps to "wake" the cell up and reach it's max capacity more quickly.
Sent from my Galaxy Nexus using XDA App
i see some good ideas about charging and discharging.
but it is indeed a fact that 100% and 0%(real) isnt good for our new race of battery's.
but a few posts here already tell how and what.
and its not gonna be a thread of arguments and stuff,if we all keep it in our heads that we just want to share our tip's of how you think its the best way(and have some experience with it)
just to share some info. and not compete the info against each other.
i well know there are different ways. but its always nice to read what experience people have with it to make a choice for my own and any other wanting to know this.
and i posted here in the GN section,instead of the Android section because each phone handles battery different,and this narrows the options down to a single device :3
Just keep in mind it's not just about the battery itself it's about the software registering how much actual power the battery has at a certain time, so if the battery has in actuality 100% charge in it, and the software reads 80 then your phone will die out sooner. So charging and discharging is good because it calibrates the hardware with the software. Just remember to switch off the device then charge it so the software doesn't auto discharge when it thinks the battery reached 100%.
K i just skipped thru the posts, gonna throw in my input real quick.
Basically just run down the battery. Once it turns off, hold the power button to make sure all the juice is gone. Then charge it up to 100% and leave it there for a good hour. Now (root required) download https://market.android.com/details?...yLDEsImNvbS5uZW1hLmJhdHRlcnljYWxpYnJhdGlvbiJd and follow the instructions .. its not exactly necessary but a nice thing "just in case" .
thats my plan anyways.
Nutsonfire said:
Lithium batteries will be damaged if they are stored fully charged or fully discharged for extended periods of time. Thats why the battery is about half charged when its new. They have no memory effect, they just loose capacity.
Sent from my Nexus S using Tapatalk
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Where does the loosed capacity go? Can it be caught?
And what do you think about charging with the phone being switched on? Is it better to have it switched off?
Sent from my Galaxy Nexus using xda premium
juniorbattle said:
And what do you think about charging with the phone being switched on? Is it better to have it switched off?
Sent from my Galaxy Nexus using xda premium
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Won't make a difference.. Phones are designed to be left on anyway.
When I get my new toy tomorrow, I plan on using it! As per what I've read, gonna use it down to 10% or so...then give 'er a full-up charge. Kind of curious what everyone elses' plans are for their first time 'round?
k.babymamma said:
When I get my new toy tomorrow, I plan on using it! As per what I've read, gonna use it down to 10% or so...then give 'er a full-up charge. Kind of curious what everyone elses' plans are for their first time 'round?
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Most likely this, but I may play around with the spare battery and throw the battery in the charger for 8hrs
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
k.babymamma said:
When I get my new toy tomorrow, I plan on using it! As per what I've read, gonna use it down to 10% or so...then give 'er a full-up charge. Kind of curious what everyone elses' plans are for their first time 'round?
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Is that the general consensus on how to break in the battery? First move to an android phone and learning all I can.
I have always charged it up when i get it first then all the way down...but we all know how it is when we get a new phone....can't put it down! So...i play a bit first..
Confirmed tomorrow delivery!
Sent from my SAMSUNG-SGH-I717 using Xparent SkyBlue Tapatalk 2
I usually run it dead first then charge it to full. I don't think there is a wrong way to do it anymore. someone correct me if I am wrong and why.
rans0m00 said:
I usually run it dead first then charge it to full. I don't think there is a wrong way to do it anymore. someone correct me if I am wrong and why.
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I do the exact same thing as you.
Rocket42 said:
I have always charged it up when i get it first then all the way down...but we all know how it is when we get a new phone....can't put it down! So...i play a bit first..
Confirmed tomorrow delivery!
Sent from my SAMSUNG-SGH-I717 using Xparent SkyBlue Tapatalk 2
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Congrats to everyone *finally* getting their beastie! I can't wait for mine...nor can I wait to PLAY with it! I did some researching on ye ole battery issue...there are a lot of different theories...so I decided to go with the "drain it out of the box, then charge" because this fits in with my extreme need to PLAY! I read it may be a good way to go to "break in" the battery, if you're of that school of thought. Some people say they do not need "broken in". Some say they need fully charged first...yada yada yada and so on & so forth. I do think the newer batteries are different than those of yesteryear in that they don't have a memory, etc, and some of the old schoolers are still stuck with that thinking. Maybe. I dunno. I'm far from any expert. (I just wanna PLAY!!! lol)
Anyone try out that Ready2Go thing thru AT&T? Kinda neat. I did it. We'll see. I just did my contacts though. The rest is taking the fun away of customizing a new toy!
rans0m00 said:
I usually run it dead first then charge it to full. I don't think there is a wrong way to do it anymore. someone correct me if I am wrong and why.
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Click to collapse
A Google dev came out and said on XDA a while back (the heck if I'm going to try to find the post) that battery stats have basically no effect on anything anymore. All the same, I "grew up" on cell phones by draining them to 0, then plugging them in until 30 minutes after they show a full charge, so I've just kept doing it that way.
It seems to me that companies wouldn't send out a battery without testing it... Which would involve charging/discharging it. So I don't think there's any need to treat a battery any differently when it's fresh out of the box than you would after the "break-in" methods people have posted in here.
T.J. Bender said:
...All the same, I "grew up" on cell phones by draining them to 0, then plugging them in until 30 minutes after they show a full charge, so I've just kept doing it that way.
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Click to collapse
this is probably why I do it too.
You should not be using the same method on Lithium-Ion batteries that you do on Ni-cad... cause they ain't nicad
Just do a little research. They don't require any break-in. Not only that but it's suggested you charge often and not fully discharge if you can avoid it.
Just plug the phone in when you get it and charge it up. If you want to use it feel free, plugged in or not.
Some common tips taken from Gizmodo and Blackberry's sites:
• Do not let it run out completely all the time. Full discharge puts a lot of strain on the battery
• Do not keep a Li-ion battery fully charged all the time, either. If you don't use your battery it might suffer from capacity loss
• Keep your battery in cooler temperatures. Hot hot heat is not good for it
• If you're gonna store your battery, leave 40%-50% charge in and store it in a cool place (i.e. fridge).
1. When you get a new Blackberry, charge it fully to 100%. There is no 120% or 130%, so once it hits 100%, it is fully charged. This normally takes about 2-4 hours for a new device. There is nothing wrong with “over-charging” the battery, however there is no real need to do so. Sometimes, new Li-ion batteries will come fully charged out of the box.
2. There is no “break-in” or “conditioning” required for the Li-ion batteries. They do not need the old “fully discharge – fully charge” routine for the initial three charges as was recommended on older battery technologies.
3. If you are a brand new BlackBerry user, keep in mind that you are likely using (or playing with) your BlackBerry much more the first few days than in normal routine use. If you think you are having quick battery discharge issues, give yourself a week or so until your daily BlackBerry usage levels off to a perceived normal amount. Don't freak out after the first one or two days if your battery depletes itself halfway through the day--You're probably using the device at a higher than normal use.
Lectures tterngs
santiagodraco said:
You should not be using the same method on Lithium-Ion batteries that you do on Ni-cad... cause they ain't nicad
Just do a little research. They don't require any break-in. Not only that but it's suggested you charge often and not fully discharge if you can avoid it.
Just plug the phone in when you get it and charge it up. If you want to use it feel free, plugged in or not.
Some common tips taken from Gizmodo and Blackberry's sites:
• Do not let it run out completely all the time. Full discharge puts a lot of strain on the battery
• Do not keep a Li-ion battery fully charged all the time, either. If you don't use your battery it might suffer from capacity loss
• Keep your battery in cooler temperatures. Hot hot heat is not good for it
• If you're gonna store your battery, leave 40%-50% charge in and store it in a cool place (i.e. fridge).
1. When you get a new Blackberry, charge it fully to 100%. There is no 120% or 130%, so once it hits 100%, it is fully charged. This normally takes about 2-4 hours for a new device. There is nothing wrong with “over-charging” the battery, however there is no real need to do so. Sometimes, new Li-ion batteries will come fully charged out of the box.
2. There is no “break-in” or “conditioning” required for the Li-ion batteries. They do not need the old “fully discharge – fully charge” routine for the initial three charges as was recommended on older battery technologies.
3. If you are a brand new BlackBerry user, keep in mind that you are likely using (or playing with) your BlackBerry much more the first few days than in normal routine use. If you think you are having quick battery discharge issues, give yourself a week or so until your daily BlackBerry usage levels off to a perceived normal amount. Don't freak out after the first one or two days if your battery depletes itself halfway through the day--You're probably using the device at a higher than normal use.
Click to expand...
Click to collapse
AWESOME post, thanks!
santiagodraco said:
You should not be using the same method on Lithium-Ion batteries that you do on Ni-cad... cause they ain't nicad
Just do a little research. They don't require any break-in. Not only that but it's suggested you charge often and not fully discharge if you can avoid it.
Just plug the phone in when you get it and charge it up. If you want to use it feel free, plugged in or not.
Some common tips taken from Gizmodo and Blackberry's sites:
• Do not let it run out completely all the time. Full discharge puts a lot of strain on the battery
• Do not keep a Li-ion battery fully charged all the time, either. If you don't use your battery it might suffer from capacity loss
• Keep your battery in cooler temperatures. Hot hot heat is not good for it
• If you're gonna store your battery, leave 40%-50% charge in and store it in a cool place (i.e. fridge).
1. When you get a new Blackberry, charge it fully to 100%. There is no 120% or 130%, so once it hits 100%, it is fully charged. This normally takes about 2-4 hours for a new device. There is nothing wrong with “over-charging” the battery, however there is no real need to do so. Sometimes, new Li-ion batteries will come fully charged out of the box.
2. There is no “break-in” or “conditioning” required for the Li-ion batteries. They do not need the old “fully discharge – fully charge” routine for the initial three charges as was recommended on older battery technologies.
3. If you are a brand new BlackBerry user, keep in mind that you are likely using (or playing with) your BlackBerry much more the first few days than in normal routine use. If you think you are having quick battery discharge issues, give yourself a week or so until your daily BlackBerry usage levels off to a perceived normal amount. Don't freak out after the first one or two days if your battery depletes itself halfway through the day--You're probably using the device at a higher than normal use.
Click to expand...
Click to collapse
This is exactly right. Lithium Ion batteries benefit from smaller and quicker charge/discharge cycles. Actually draining a Li-ion battery to 0% and letting the phone die can decrease the total battery capacity and causes unnecessary damage to the battery. You should never do a "deep-discharge" and full recharge on a Li-ion battery.
Just pull it out of the box and use it, charge it before it hits 0%, and you'll be alright.
Heres another trick
I have done this more than a few times. Does it make a difference? I cannot say with anything more than anecdotal evidence, but I have had noticeable success and the logic makes a certain degree of sense.
Running the battery fully down often is claimed to be detrimental, and I have no reason to doubt that. Doing so once in say, 25 cycles is probably not a bad idea, although it does not do much of anything to capacity. What it does is help calibrate the battery meter. Than I add the following technique to increase the discharge time (run time) of the device:
At whatever point you finally let the battery fully discharge, do this as well:
If you have power saving feature, turn it off to get the job done. When it actually shuts down from being fully discharged, plug in and charge fully with the phone OFF. When the battery reached 100% fully charged take out the plug, wait a minute, and put it back on the charger. It will charge for 5-10 minutes more. NOW remove the plug, boot the phone, and put the plug bag in again (more charging ensues) and repeat one additional time. THIS technique seems to "Stuff" more electrons into the phone (see how scientific my explanation is? Whether I am helping, hurting or having no effect on the batteries longevity i can't say, but I CAN say is that I absolutely see longer cycles for quite some time after doing this.YMMV of course.
Whatever you consider "training" the battery, make 100% sure that the first full charge is indeed that: a FULL charge. This is one point that most documentation agrees upon. Getting the full use of the battery requires a FULL and complete first charge. Since I have no method to trickle charge, I tend to use the device while initial charging completes - I feel like that draws out the process, though why this is better. I can't say.
If only there was a definitive guide. Yes there are points in common among experts (such as running lithium ion fully charged all the time, especially warm, is terrible for them, yet almost all laptop makers let this happen by default when you run it on the charger (there is software to cycle the batteries), and some companies are including versions of this type of utility. Bottom line? batteries are cheap enough, but it's not ABOUT the money - It's about the run time. Heck - if I can't get good run time for a 3100 mA Battery, with a 2 amp charger, I better hang it up!
put the battery in, don't turn on the phone, and charge overnight. I know I know, this is the most difficult part. after that do whatever you like.
You are supposed to run the battery down every now and then(like every few months) What this does is it re calibrates the battery, separate from the android battery stat.
The batteries are tested and filled and drained then charged half way before packaged. A half of a charge is best for storage.
If your batter is dead when you open the box, exchange it. A battery sitting dead is really really bad. I have purchased a psp and some other devices that had DOA batteries and they never hold a charge for very long.
Android is the best I've seen with overcharging. Meaning there is none. The Android OS controls charging and doesn't allow the battery to fry like laptops do when plugged in all the time. I wouldn't worry about it with any Android device. Laptops should not stay plugged in for more than a few hours after full.
Running the battery down to zero (which is really 1-3%) is not "bad" what it really does is use up your charge/discharge cycle. Batteries have a certain number of charge/discharge cycles (like 300 or so) and running from full to dead to full every day will run the battery out faster; rather than charging it at half way or topping it off often.
please read post 11 and ignore anyone else who says anything to the contrary. i race radio control cars, we use lipo batteries, the system has a voltage cut off in the car for a reason. if you run them down too low, the cell will die, and will not take a charge. if you let them sit too long with a low charge, they will die. end of story. they do not need to be fully cycled like the old nicad batteries.
Dave
I say don't worry about it. The battery is replaceable and doesn't cost much. Enjoy your new toy any way you like and put battery worries out of your head.
Hey guys I'm often a lurker on here and don't post a whole lot but came across this article and found it interesting. Thought I'd share... Also, I like to leave my HTC ONE plugged in on my desk stand at work with the "Daydream" clock function running (basically using my phone as a desk clock). Do you think leaving it plugged in charging all day running this clock is doing any damage to my battery? It of course fills up and charges to 100% pretty quickly because I never really let it get below 80%. Below is my charging habit...
1. Charges all night at my bedside
2. Take it off the charger in the morning while getting ready for work and my drive
3. Get to work, plug it in for 6-7 hours running Daydream
4. Take it off the charger and go home... (off the charger for about 4-5 hours in the evening)
5. Go to bed, plug it in, and start all over again...
Oh and here's the article :lol:
http://gizmodo.com/going-from-all-the-way-full-to-all-the-way-empty-wont-h-618834847
How To Take Care of Your Smartphone Battery the Right Way
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Your smartphone is a minor miracle, a pocket-sized computer that can fulfill almost every whim. But none of its superpowers matter a bit if it runs out of juice. With removable batteries becoming more and more rare, you've got to take good care of the one you got. Fortunately, it's not to hard keep the lithium-ion powering your everything machine happy if you follow a few simple rules.
Obviously, the first rule for extending your battery life is not using up all your battery life playing candy crush and walking around with Wi-Fi and GPS enabled when you're not using either and really, really need your phone to last that extra hour. But aside from that, there are some basic rules for care and charging, and they're the simplest baseline for a healthy battery.
Top it off
You may vaguely recall hearing something about rechargeable batteries and the "memory effect." You know, that if you don't "teach" your rechargeable batteries their full potential by taking them from totally full to totally empty, they'll "forget" part of their capacity. Well forget all that. Right now. It's wrong.
To get the most out of a lithium-ion battery, you should try to keep it north of 50 percent as much as possible. For the most part going from all the way full to all the way empty won't help; in fact, it'll do a little damage if you do it too often. That said, it's smart to do one full discharge about once a month for "calibration," but don't do it all the time. Running the whole gamut on a regular basis won't make your battery explode or anything, but it will shorten its lifespan.
So if you're really particular about optimizing your battery's life, you should try to go from around 40 percent to around 80 percent in one go, and then back down whenever possible. A bunch of tiny charges isn't as bad as going from 100 down to zero all the time, but it's not optimal either.
Keep it cool
It's easy to worry about bad charging habits thanks to the training we've had from old rechargeable batteries, but lithium-ion batteries have a worse enemy: heat. Your smartphone's battery will degrade much much faster when it's hot, regardless of whether it's being used or just sitting around doing nothing.
At an average temperature of 32 degrees fahrenheit, a lithium-ion battery will lose six percent of its maximum capacity per year. At 77 degrees, that number jumps to 20 percent, and at 104 degrees it's a whopping 35. Sure, it's not exactly practical (or sane) to keep your phone in the fridge, but it's worth going out of your way to prevent long stays in hot cars and the like.
Avoid wireless charging
Wireless charging is can be incredibly convenient if your phone can do it, but it's not without its disadvantages. The inductive, wireless chargers out there today have this nasty habit of generating a fair bit of waste heat. And while wasted energy is just a bummer in general, that heat will also toast your battery in the process. That's no bueno. It's a little less convenient, but standard plug-in charging is going to keep your battery in better shape, especially if you're some place warm to begin with.
Never go to zero
Obviously, using your battery is going to make it degrade. But it's going to slowly die even if you just leave that iPad in the closet for a bit. There's a trick to minimizing that inevitable aging though: leave it a little bit of juice.
If you're going to be shelving any lithium-ion battery for a long time, try to leave it with at least 40 percent battery power to tide it over. Lithium-ion batteries don't hemmorage power at 30 percent a month like nickel-metal-hydride batteries do; they'll lose maybe five to ten percent of their charge each month.
And when lithium-ion batteries get too low—like, literally zero percent—they get seriously unstable, and dangerous to charge. To prevent explosion-type disasters if you do try to charge one, lithium-ion batteries have built-in self-destruct circuits that will disable (read: destroy) the battery for good, if it reaches rock bottom. And sure, that'll save you from a face full of battery-acid, but it'll also leave you short one battery.
Don't sweat it too much
It's easy to get protective of your battery, but it's also easy to get lazy. And that's fine, because as long as you're not a complete idiot, you'll be OK. Typically, a lithium-ion battery lasts for three to five years, and chances are you're going to want to swap out your gadgets sometime in that window anyway. The slight damage of a technically bad idea like leaving your phone plugged in all night every night, or using wireless charging, might be worth the convenience.
Still, it's pretty easy to keep your battery reasonably healthy just by avoiding particularly egregious torture like letting your phone discharge from full to zero every single day, or leaving it in a hot car all the time. And the next time you make it back home with power to spare, you'll thank yourself for it.
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I dont agree that your battery dosent like being or performs worse at a 100%. Or that it harms the battery in any way. I keep my phone plugged in as much as possible durring the day, and all night long. But i only use the wall charger that came with the phone, or a smart car charger made for my phone. Because as the article says, these chargers are smart enough to stop charging for awile after the phone has reached 100% to prevent over charging/heating. Cheap wall and car chargers dont have this feature and continuously provide a charge to the phone. Also charging using a usb port on a pc or other device does not provide this overgharge protection.
My last phones battery lasted for almost 3 1/2 years before needing to be replaced. Heres what i do.
Keep it charging as much as possible only with a "smart" charger.
Never let the batter drain all the way down. If it gets to 10% and i cant charge it at the moment, i turn it off.
Never let your device get too hot. Dont leave it in hot cars or sitting in the sun, etc.
Never "bump charge". That is just a way to trick a smart charger into overcharging your battery.
Also over clocking/volting your phone puts more strain on your battery than it was intended to take. It makes its temperatures rise higher, and the charge to deplete in a more rapid fassion. Both of which are bad for your battery.
These are just my opinions of course, but it seems to work out good for me. I think 3 1/2 years is a pretty acceptable life span.
never let it die
I have always left my phone's plugged in constantly and never an issue. Once my phone hits 100% it stops charging and then is very cool to the touch from then on.I heard phone's now has a failsafe that will stop charging and start running the phone off the charger and not battery.
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What's the best battery conservative rom?
Why do you think you should never fully drain it?
Every 30-40 days, you should fully drain your battery - until your phone automatically powers down - and then fully charge it - and allow it to stay on the charger for 30-40 minutes after it's 100%.
cope413 said:
Why do you think you should never fully drain it?
Every 30-40 days, you should fully drain your battery - until your phone automatically powers down - and then fully charge it - and allow it to stay on the charger for 30-40 minutes after it's 100%.
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Draining a lithium ion battery all the way can damage the cells causing irreversible damage to the battery. Read this
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
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disconnecktie said:
Draining a lithium ion battery all the way can damage the cells causing irreversible damage to the battery. Read this
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
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The battery management system in the phone does not allow the cells to go lower than the safe level. For Li-ion cells, that's somewhere around 2.7-3.0volts/cell.
If it did, there'd be not only a huge warranty liability, but also a safety one.
cope413 said:
The battery management system in the phone does not allow the cells to go lower than the safe level. For Li-ion cells, that's somewhere around 2.7-3.0volts/cell.
If it did, there'd be not only a huge warranty liability, but also a safety one.
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You can believe that if you want to but if you actually read that link you will understand. It puts a lot of strain on the cells to go that far down. There is a physical reaction inside your battery of growing and stretching created from the charge/discharge cycle. If you regularly drop the charge to nothing then it makes it harder for it to keep a charge over time. You're more than welcome to do your method of calibration but I'm a firm believer in keeping the battery healthy.
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disconnecktie said:
You can believe that if you want to but if you actually read that link you will understand. It puts a lot of strain on the cells to go that far down. There is a physical reaction inside your battery of growing and stretching created from the charge/discharge cycle. If you regularly drop the charge to nothing then it makes it harder for it to keep a charge over time. You're more than welcome to do your method of calibration but I'm a firm believer in keeping the battery healthy.
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I didn't say regularly. I said every 30-40 days. I have a lot of experience with lithium cells - both manufacturing and selling.
Before getting the One, I regularly used my HiTec lithium charger on my thunderbolt battery to run a discharge cycle, and then balance/charge it slowly.
No one need be afraid of their phone getting below 10%. It isn't causing any damage.
Well i guess its all a matter of opinion. Me and my wifes first smart phones were the htc incredible. I would never let mine die and the battery lasted fir 3 1/2 years. My wife would let hers die once or twice a month, and it lasted for 14 months before it needed a new battery. Got on her about not letting it die after we replaced the battery, much to my surprise she listened, and the replacement lasted for another 2 1/2 years. Both of our batteries actually still work today just not used to much anymore.
I had the dinc2 and followed the same procedure he used and pretty much nuked a battery from doing that same procedure. In less than a year my battery was bad. To each their own but I still don't suggest running it all the way out.
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even anker, who is is probably the biggest portable battery manufacturer recommends not letting their products get below 25% because it can reduce the lifespan of the pack. They state that keeping it between 25-75% is ideal.
Interesting article, thanks for sharing OP.
I also leave my phone plugged in while sitting at my desk and let it charge up. Typically I plug into my laptop via usb while at work, once fully charged it shows 'fully charged' and switches the led status light to green.
I try to never let it die either but have to travel for work and do get very low on occasion, once I get down to 10% I typically just shut to phone off to preserve power while I am flying and avoid turning it back on again til I can get it on a charger.
Battery Life
I'm new to this phone,so I'm not entirely sure how the battery life is ... but I heard a while ago that you get the best battery life out of phones when you only plug them in to charge when they are completely dead. I don't do it often enough to see a difference, but has anybody else done it?
You probably get a much more consistent charge while it is dead/powered off. The only problem there is does letting your phone die occasionally ruin your battery or not?
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danprichet said:
... I heard a while ago that you get the best battery life out of phones when you only plug them in to charge when they are completely dead. ...
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Did you not read the first message in this thread. wherein it says:
To get the most out of a lithium-ion battery, you should try to keep it north of 50 percent as much as possible.
and
Never go to zero.
Alright, alright - I was merely saying I'd heard a theory stating otherwise.
jpradley said:
Did you not read the first message in this thread. wherein it says:
To get the most out of a lithium-ion battery, you should try to keep it north of 50 percent as much as possible.
and
Never go to zero.
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My laptop, which is a Lenovo, has 2 settings. Best battery health and best battery life. Best health keeps the battery charged to between 50-60 percent and then stops the charge. Best life goes up to 100.
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