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Hi can anyone tell me the correct way I should go about charging the EVO when I first get it? I'm getting it tomorrow and want to break the battery in the right way (if there is a right way), let me know!
I don't see how you should go about it in a special way different than every other phone
It's a LiIon battery as all of them, none basicaly needs to be cycled to work efficiently.
Or was this your own way to broadcast that you're getting the device tomorrow to let the rest of us drool in envy?
I definatly will say that the first few charges of the battery do NOT last long at all, battery drains REALLY fast.
This may be placebo, as I know that Android will get more efficient as the OS "settles down"
I always make sure to let it run until the device shuts off by itself before charging. Then charge to full and repeat. I try to do this 5 times, but it helps that I have a hero I can drain with, then charge and always have a full battery in my Evo.
ephestione said:
I don't see how you should go about it in a special way different than every other phone
It's a LiIon battery as all of them, none basicaly needs to be cycled to work efficiently.
Or was this your own way to broadcast that you're getting the device tomorrow to let the rest of us drool in envy?
Click to expand...
Click to collapse
so completely drain it then charge, drain, charge, etc?
lithium ion batteries do not need conditioned ... and actually prefer to be charged frequently (or so I have read). Just do a google search for lithium ion conditioning and almost every reference says that only the older technologies need it.
It's actually the phone that needs to learn the batteries fully charged to fully drained levels. A couple of full charge-drain cycles teaches the battery meter in the phone. Same deal for notebook computer batteries.
ephestione said:
I don't see how you should go about it in a special way different than every other phone
It's a LiIon battery as all of them, none basicaly needs to be cycled to work efficiently.
Or was this your own way to broadcast that you're getting the device tomorrow to let the rest of us drool in envy?
Click to expand...
Click to collapse
it was a way to get you guys to drool!
chazglenn3 said:
It's actually the phone that needs to learn the batteries fully charged to fully drained levels. A couple of full charge-drain cycles teaches the battery meter in the phone. Same deal for notebook computer batteries.
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Click to collapse
* Not sure if this applies to the battery in the EVO as I have never taken one apart yet ***
From what I recall most notebook (if not all) Lithium * batteries have an integrated charging / safety chip on the battery http://www.sbs-forum.org/ that maintains information about the battery level (via SMbus) and charge information. It is this chip that will report the current battery level and will disallow you to charge a battery at a certain point due to safety concerns.
What is common though is that it takes a couple of cycles for the onboard / outboard battery chip to learn the charge level which the host OS will just blindly read for the most part.
condition your battery
When you have a new cell phone battery there is a residual charge left from manufacturing..it may even say it is fully charged but it is a false reading. You need to charge the battery before you start using it for 8-12 hours. Then, use it down to about 25% and charge for another 8-12 hours. Repeat this process for the first 3-5 charges and then your battery will be conditioned.
After the initial conditioning your battery will last the longest if you do not let it run out until it dies. It is best to charge when at 25%-30% capacity.
Good luck!
kphenix said:
When you have a new cell phone battery there is a residual charge left from manufacturing..it may even say it is fully charged but it is a false reading. You need to charge the battery before you start using it for 8-12 hours. Then, use it down to about 25% and charge for another 8-12 hours. Repeat this process for the first 3-5 charges and then your battery will be conditioned.
After the initial conditioning your battery will last the longest if you do not let it run out until it dies. It is best to charge when at 25%-30% capacity.
Good luck!
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Click to collapse
Wow. First off, thanks for resurrecting a thread that's over a year old.
Second, your post is completely wrong. Lithium ion batteries do not need to be conditioned at all. Just plug it in, let it charge, and you are good to go.
They do need conditioning
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bootny said:
They do need conditioning
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Click to expand...
Click to collapse
Says who? Lithium ion batteries do not need any conditioning.
Really cuz It took a month for my battery to get 36+ he's because I didn't charge it right ( i use sbc) when I got and with my 3d I get 24+ hrs due to battery conditioning. Say what you will my girl does the same with her iPhone and get 2 1/2 days out of it while another friend of mine didn't and her battery is dead after twelve hours... no dis respect dog but it works contrary to beliefs
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bootny said:
Really cuz It took a month for my battery to get 36+ he's because I didn't charge it right ( i use sbc) when I got and with my 3d I get 24+ hrs due to battery conditioning. Say what you will my girl does the same with her iPhone and get 2 1/2 days out of it while another friend of mine didn't and her battery is dead after twelve hours... no dis respect dog but it works contrary to beliefs
Conditioning works for unknown r
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Click to expand...
Click to collapse
Conditioning works for unknown reasons. Not for the reasons, most people say. And its true lithium ion don't have memory any more so its not nearly as effective to condition. Also where are you getting those results? Those are f***ing insane
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lilman355 said:
Conditioning works for unknown reasons. Not for the reasons, most people say. And its true lithium ion don't have memory any more so its not nearly as effective to condition. Also where are you getting those results? Those are f***ing insane
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Click to expand...
Click to collapse
Results for the Evo? I use a 2600 mah sprint battery and when I use an eBay battery 3500 mah I get 14hrs max ( weird but it was only $15 for 2)... gonna try seidio next and see how they work... and w the 3d I ( also the 4g) I charge til green then unplug and plug til green ten times as suggested by xda thread that was on miui website only
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Use the search please..calibration methods are tried and true..nothing more to see here..let this thread die as the other poster indicated.
Search for battery calibration. I would copy and past the url's for you but I literally found 10+ threads about calibration methods for the EVO within seconds so it will be super easy for you to read one of the methods and apply for what we now see as perfect results.
As far as I know now, nobody complains about EVO battery life anymore unless they are using something to drain the power, bad coded app, kernel or poorly coded ROM etc. It happens sometimes but usually enough information out there to support fixing the issues once you see them.
Hope that helps and good luck..
waterbound said:
Use the search please..calibration methods are tried and true..nothing more to see here..let this thread die as the other poster indicated.
Search for battery calibration. I would copy and past the url's for you but I literally found 10+ threads about calibration methods for the EVO within seconds so it will be super easy for you to read one of the methods and apply for what we now see as perfect results.
As far as I know now, nobody complains about EVO battery life anymore unless they are using something to drain the power, bad coded app, kernel or poorly coded ROM etc. It happens sometimes but usually enough information out there to support fixing the issues once you see them.
Hope that helps and good luck..
Click to expand...
Click to collapse
Thank you!
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I just got my nexus today and was wondering if this was good battery life for the first days use and when it will start getting better?
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This is the screenshot.
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Just about. I usually get 7hrs.
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Thats a drastic drop! Id say about normal as well. Did you have a lot of apps that were re downloading from the time you first activated it. After a few days to a week when your done looking at your phone every 5 secs you'll start to see battery improvement haha.
Tonight will be my 3rd time charging it. WIll it get a lot better tomorrow?
ProTip: Put the phone down every once in a while and enjoy life.
That's normal if ur 4g on
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It can take 4-5 charge cycles for the battery to really get worked in.
Also, check out the juice defender plus app. Doubled my battery life.
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Lithium Ion cells do not get better in any way after a few charges.
In fact the capacity goes down a wee tiny little bit with each and every charge, so your first charge was the "best" one.
Stop playing around with the thing for 5 hours non stop and you will get decent runtime.
Best thing to do with a new device is to charge it up fully as soon as you can. Then run it down until you get the low battery warning. Then charge it back up.
Battery life will likely be pretty poor for the first week or so, then it will normalize.
Deep discharging (to 0%) is about the worst thing you can do to a LiIon battery, because it "hurts" it much more than several shallow discharges.
Also, like I said before, battery capacity won't in any way rise or "normalize" over the first week.
Battery life is poor the first days because you use your shiny new device all the time (i.e. more than later). It's like that for all of us.
My battery life sucked the first few days, It got better though. It really only seems to suck it down if it is hunting for a signal constantly.
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If you are using your phone a laptop replacement and are surfing the web constantly, expect it to die like a laptop.
Sent from my Galaxy Nexus Revolution
You also need to try this manual battery calibration:
http://myhtcdesire.com/tutorials/how-to-improve-your-battery-life-calibration-tutorial
After I did this, saw the battery reading 99% and 98% more often rather than straight to 96% after charged.
Originally, it was suggested by HTC tech support. I did that once every six months or so ... And my battery level is now improved. Screenshots will follow in the next post.
Not bad?
Sync is off btw. And this includes using Maps 2%.
At least with my usage pattern, I am more or less satisfied.
I wish Google fixes the high Android OS Keep awake time!
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cvbcbcmv said:
You need to remember the only thing relating to battery life is not just the battery, it's software as well, hence calibration. After about a week or so your phone gets a "feel" for your battery and gets more battery stats, so it's more accurate with it's readings. That is a proven fact, you need to think about all things.
Click to expand...
Click to collapse
It is quite easy to gauge a Lithium Ion battery. 4.20 V = full. 3.60 V = empty. Your phone can read the battery precise to 0.001 V. The curve isn't linear, but it's well known what voltage relates to the exact capacity left in the battery.
There's really no room to "feel" anything there, just simple math.
Smokeey said:
ProTip: Put the phone down every once in a while and enjoy life.
Click to expand...
Click to collapse
+1
I consistently get 15-18 hours of use out of mine with the extended battery.
But to the OP, if your screen is taking up 60% of your battery, it's always on, your battery is gonna die, it happens. Your battery doesn't get "better" with time. It seems that way because you aren't glued to the device 24/7.
Mine was god awful when I first got it but after a week or so it got much, much better.
I have the GSM version though.
60% screen time gawt damn! Did you talk to anyone that day?
falconeight said:
60% screen time gawt damn! Did you talk to anyone that day?
Click to expand...
Click to collapse
Google need to run classes on how to read the battery consumption pages. 61% screen means that the screen used 61% of the total battery used, not that the screen was on 61% of the time.
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Does anyone know if charging this phone overnight will "mess up" the battery , because I use an alarm every morning and I need the phone to be on when I wake up. I checked at a lot of sites ( and of course xda too) but i couldn't find the final answer?
samsungepicgeek said:
Does anyone know if charging this phone overnight will "mess up" the battery , because I use an alarm every morning and I need the phone to be on when I wake up. I checked at a lot of sites ( and of course xda too) but i couldn't find the final answer?
Click to expand...
Click to collapse
No it will not. It has a charge script that stops when it reaches 100% then monitors the battery after that and will trickle charge when it drops a couple of percent.
Actually this is a process used to calibrate battery when you first buy one or is the first time you buy a phone. You drain it and charge it overnight. I do this too but not recently because airplane mode allows for no percentage drop..... I don't believe it is harmful but may prove to be over an extended period as are many things. Id say just turn the phone on airplane mode and it shouldn't drop but 1-2 if any percentage.
Sent From My Cyan Samurai
No it is not harmful. However any rechargeable battery wears over time. I have charged my phone overnight since the September 2010 without issue.
No it will not harm it is what I discovered
Here are some sources that say it will not damage it:
http://answers.yahoo.com/question/index?qid=20100408214147AAiiCis
http://news.tigerdirect.com/2008/02...ugged-in-all-the-time-will-harm-your-battery/
And some that say the regulator chip may be harmed:
http://answers.yahoo.com/question/index?qid=20100408214147AAiiCis
http://daily-grind.net/does-leaving-your-laptop-plugged-in-shorten-its-battery-life/
Honestly for me to say, its your choice...
I leave mine in, it's much more convienient...
A general charge overnight will not harm ur battery. But every now and then..u want to perform a charge cycle. Fully chargee it, and let it drain completely. U do this twice. It just basically resets the battery cells. Our phones use a lithium-ion battery plus..its the improved lith battery.
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androidmaster1 said:
A general charge overnight will not harm ur battery. But every now and then..u want to perform a charge cycle. Fully chargee it, and let it drain completely. U do this twice. It just basically resets the battery cells. Our phones use a lithium-ion battery plus..its the improved lith battery.
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Click to expand...
Click to collapse
NO. NO. NO. Uberpinguin, the one who posts cm7, hates battery calibration, and I'll preach his message for him. Cycling the battery is stupid, it wears life, and wiping battery stats is stupid. Each battery has a specific uuid (I think that's what it is) that tells batterystats.bin what battery it is, and then it THEN locates the info it needs. Not "oh hey, my phone is calibrated for someone elses battery".
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ugothakd said:
NO. NO. NO. Uberpinguin, the one who posts cm7, hates battery calibration, and I'll preach his message for him. Cycling the battery is stupid, it wears life, and wiping battery stats is stupid. Each battery has a specific uuid (I think that's what it is) that tells batterystats.bin what battery it is, and then it THEN locates the info it needs. Not "oh hey, my phone is calibrated for someone elses battery".
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Click to expand...
Click to collapse
Explain ****ty battery life then when i don't calibrate it when i flash a rom.
When i flashed over to CM7 my phone was getting on average 10-14Hrs depending on usage if i was heavily using it it would be from 6-8Hrs.
After i calibrated it i went from 6-8 on heavy to 12-15 on Heavy and medium usage went from 10-14 to 18-20Hrs. And minimal use ending me up with 24+Hrs
So please explain? because i hate calibrating it but it works.
Ugo, have u ever hard tested a battery? My assumption is no. Are u aware that per manufacture and engineering specs, sometime u have to do calibration. Have u performed appropriate research? I will link 1000 sources that will stat, u should cycle battery once in awhile. Its like a pc..there is the hardware function and there is the software function. Are u an advanced mobile technician? Are u. A mobile engineer? I use to be a technician. Ur basing ur statment from someone else. Have u done this "yourself"?
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When i ve done calibration...and cycling, I increased batter life by 75%
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Battery drain always seems terrible for a short time after flashing a new rom. It does clear up.
Letting your battery drain completely is NOT good for your phone, though I'm unaware of what how it may affect the battery itself. But as I understand it, it is not necessary in any way for the battery itself- so it's useless and doing so will only help you corrupt the data on your phone.
I've been charging mine nightly since Nov 2010 and it's fine.
Those of you with serious battery drain - do yourself a favor and try staying on the same rom for more than 36 hours.
sent from my secret underground bunker
mjben said:
Battery drain always seems terrible for a short time after flashing a new rom. It does clear up.
Letting your battery drain completely is NOT good for your phone, though I'm unaware of what how it may affect the battery itself. But as I understand it, it is not necessary in any way for the battery itself- so it's useless and doing so will only help you corrupt the data on your phone.
I've been charging mine nightly since Nov 2010 and it's fine.
Those of you with serious battery drain - do yourself a favor and try staying on the same rom for more than 36 hours.
sent from my secret underground bunker
Click to expand...
Click to collapse
That is an EXT4/journaling thing and has nothing to do with your phone. MTD and RFS do not have this problem. At time of purchase the Techs and Samsung recommend this battery cycling and running the battery all the way down.
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androidmaster1 said:
Ugo, have u ever hard tested a battery? My assumption is no. Are u aware that per manufacture and engineering specs, sometime u have to do calibration. Have u performed appropriate research? I will link 1000 sources that will stat, u should cycle battery once in awhile. Its like a pc..there is the hardware function and there is the software function. Are u an advanced mobile technician? Are u. A mobile engineer? I use to be a technician. Ur basing ur statment from someone else. Have u done this "yourself"?
When i ve done calibration...and cycling, I increased batter life by 75%
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Click to expand...
Click to collapse
Will you please post those 1000 sources? Along with a photo of your tech degree? Also 75% difference? The only thing that's going to give you nearly double your battery is a larger capacity battery.
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I wasn't aware that a tech degree ruled over experience. How long have u worked with mobiles on the tech side? U want some sources? Ok... gizmodo, lifehacker, phonescoop, rcr wireless, all manufactures, motorola systems engineering site, lg engineering site, wireless week, android police blogs. Buddy ill be here all day posting.
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U ever full repair a board, or inner cell reseted a battery? I have. Ever work with an ohms, voltage sensor machine? How about a resistor reader?
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I'm not going to go any further in this argument with u. I've made my point, and that's all I'm saying to u.
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I was on here trying to find a way to reset my battery's memory...and I found it! Its so easy. So during the day, drain your battery to 20%, and plug it in all night. When you wake up, take off the back, and take out the battery for 3-4 minutes. Then, put the battery in the phone and turn it on. As it's turning on, plug in the charger. Leave the charger in until the phone says "charged" or has the battery icon showing full. Unplug your charger, and say Hi to a factory battery.
AT&T Samsung Galaxy S III
2% in 17 minutes....this is phenomenal... at least for me.
AT&T Samsung Galaxy S III
It is just an overcharged battery...
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What do you mean?
AT&T Samsung Galaxy S III
my understanding is that the battery is never really charged to 100% (even if you see 100% charged in the software).
it is a way to prevent overcharging the battery (because on the long run, it is decreasing the battery life and performance)
So, what you are doing is that you found a way for overcharging the battery and the result is that the battery life for the first 100 to 98 will be very good, however it will go back to normal after this step.
Correct me If I'm wrong, but I'm pretty sure that I'm right
Nah, its completely better...
AT&T Samsung Galaxy S III
Lol....you'll have to show more proof than that, even if youre phone confirms what you said.
Matrix is right, I think this is in your head. Placebo effect as its known.
show us screen shots of batterry useage for a week with this technique, then a week with out.
Then others will have to try it out.
Hey if your smart enough (since again your NOT doing anything physically, trust me ) you could write a a little script and make it an app?
Also its been said the battery gauge is really kind of a pasifier for us.
Physicaly there is no way you are changing the state of the battery by just touching the contacts real fast.
UNLESS your batter contacts are totally fried/or oxidized and somehow the friction has cleaned them???
If any thing, you are resetting the battery statistics/calibration and that ( confirmed by google, and a few a manufacturers)
does nothing.
One thing about batteries; the harder you work them the shorter they live, this is why Samsung,htc even apple said the batteries don't fully charge 100%, because if they did the batteries wouldnt last half as long.
But hey keep working on it maybe you got something there! :good:
and just for yucks
Your phone never charges all the way to prevent over charging and help keep your battery healthy for a longer period of time. Some kernels allow you to change this hidden setting from 98% to 100%.
All you are doing is circumventing the system and potentially harming your battery. And unless you keep doing this for every charge cycle it will return to normal.
You may be experiencing a placebo effect because your battery stats have changed based on the over charge. The battery stats data is used to guage your battery life.. This is updated for every cycle and will eventually return to normal on its own.
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J2DAe said:
Good job man. Don't listen to these haters. All they do is complain and shoot everyone down when they have a good idea. So **** em
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Click to expand...
Click to collapse
We're not "complaining" we're simply correcting the statement. Its for the users own good. Don't be drama.
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I'm not complaining about battery life bit I just fond this strange how with nothing running my phone went from 20% to dead that fast. Phone was locked and in my pocket. Anyone have any ideas? It's also not the first time this has happened either just the first time I thought to get a screen shot of battery usage right after
**Update**
Now my phone is dying at random :/ it does it from 50%, 30% etc. Any suggestions (i.e. battery calibration, full factory reset) or should I make it stock again and get a replacement?
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I've found battery level to be unreliable at low levels. Even rebooting the phone when low will often yield varied results
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I know one day I will get the 14% notification and be good for like 45 minutes. Then another I'll get it and then bam phones dead
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Some more pics of battery issue
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Batteries are gauged by how much voltage they are pushing in most tests. Though from my hobbies of electric rc cars, I've learned that batteries can change their voltages simply from a temperature change. While these changes may not be significant, they do represent differences and used to play a big part in my fifteen minutes charge cycles. It's harder to receive a positive rating in a cell that is low on power than it is with one on max charge. So if I'm down to twenty percent or so, I use my phone very sparingly. Has been pretty trustworthy for me over the years.
Either way, suspicious battery drain is usually a rogue application sitting there eating resources as the phones we use do seem to monitor battery life pretty good compared to the old voltage meter methods.
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You have anything auto syncing? I know I use the nfl mobile app and that can put s drain on ny battery life.
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I found the htc-Facebook app drains funny on the battery. When I loaded bonestock, then loaded Facebook from the play store, it helped my battery. I think it's the way the htc-Facebook interacts with blinkfeed.
Could be completely of base, but I know the htc loaded Facebook is slightly different.
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charge it to 100 then bring it to down to 0. then back to 100 and youll probably be fine
mkeefner said:
I'm not complaining about battery life bit I just fond this strange how with nothing running my phone went from 20% to dead that fast. Phone was locked and in my pocket. Anyone have any ideas? It's also not the first time this has happened either just the first time I thought to get a screen shot of battery usage right after
**Update**
Now my phone is dying at random :/ it does it from 50%, 30% etc. Any suggestions (i.e. battery calibration, full factory reset) or should I make it stock again and get a replacement?
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Click to expand...
Click to collapse
I assume you had a good signal everywhere you went? Nothing drains a battery faster than being in an area where there is very low or no signal. It constantly tries to connect and it will KILL your levels very fast. I see this quite a bit in my work place. Employees with Sprint and many times AT&T will complain about their battery dying at work only to find out the phone was constantly searching for a signal.
mjs31 said:
I assume you had a good signal everywhere you went? Nothing drains a battery faster than being in an area where there is very low or no signal. It constantly tries to connect and it will KILL your levels very fast. I see this quite a bit in my work place. Employees with Sprint and many times AT&T will complain about their battery dying at work only to find out the phone was constantly searching for a signal.
Click to expand...
Click to collapse
You know, I totally forgot about that. I used to have that issue with Sprint myself. Killing the data would eliminate TONS of battery usage when I was at work. Now that I'm on Verizon, there's never much problem. But he's completely right. If you're not getting a quality signal your phone may be searching and that can be an all day thing which just eats a battery alive.
I am in a near perfect signal. I'm pretty sure its has nothing to do with coverage. What's strange to me is the phone immediately dies. It will be at 50% and then the screen goes black and won't come back on. Once I plug it in the phone finally comes back on and is at zero.
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Exchange it. My first One had weird reboot issues. It might a bad phone.
Sent
And another. Phone was right around 50% and then bam off
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mkeefner said:
And another. Phone was right around 50% and then bam off
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Click to expand...
Click to collapse
The battery is obviously defective. You need to get a replacement.
Sent from an HTC One
Alright. Time to start the relock process :/
Thanks for the help everyone
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ddurandSGS3 said:
charge it to 100 then bring it to down to 0. then back to 100 and youll probably be fine
Click to expand...
Click to collapse
That's bad juju for the type of batteries we have.
MissionImprobable said:
That's bad juju for the type of batteries we have.
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Click to collapse
really? just once to recalibrate it? I only had to do it once with my S3 but it worked after that.
got a read that could give me some info? my bad ive done it in the past
MissionImprobable said:
That's bad juju for the type of batteries we have.
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Click to collapse
I'd have to search around, but taking these batteries all the way down actually reduces their effective life.
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Basically, the more you drain the power before charging, the less charge cycles the battery will have. Someone who charges at 75% compared to someone who charges at 25% will have more cycles over the life of the battery. I can't remember the exact numbers, but there's been plenty of studies on the issue. And if I'm correct charging at those numbers, the 75% will have more than twice the charge cycles over the life of the battery. The biggest battery killers though are actually higher amperage charges. One study showed more than five times the life cycle at 3.7v per cell compared to 4.3v. And the charging required to power the higher voltages actually cause more damage over time than the extra mah output is worth. The HTC one has a decent setup and the stock charger doesn't over feed the cells. But in not sure if it will make it to the 700 charge cycle that a two year contract may leave a user with.
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