Develop Bugs

Did I condition my new battery wrong?

I bought the yoobao 2800mAh and I'm wondering if i conditioned it wrong. Because when I first put the battery in (it came shipped at 66%)... I knew I was suppose to fully drain it and then do a full charge. So I opened alllll kinds of apps. streaming shoutcast, music, google earth, gps, synch... All on to drain the battery, and it took FOREVER! I was really happy, but after that, and the first full charge, it drains just as fast as my stock battery. I'm wondering if that's because of the way I drained it the first time.
I charge the battery as much as it will charge with the phone on, and then I turn the phone off to actually get it FULLY charged.

Zexter said:
I bought the yoobao 2800mAh and I'm wondering if i conditioned it wrong. Because when I first put the battery in (it came shipped at 66%)... I knew I was suppose to fully drain it and then do a full charge. So I opened alllll kinds of apps. streaming shoutcast, music, google earth, gps, synch... All on to drain the battery, and it took FOREVER! I was really happy, but after that, and the first full charge, it drains just as fast as my stock battery. I'm wondering if that's because of the way I drained it the first time.
I charge the battery as much as it will charge with the phone on, and then I turn the phone off to actually get it FULLY charged.
Click to expand...
Click to collapse
If you are rooted, you need to fully charge then boot into CWM and clear battery stats.
Do you BONSAI?

Mine was the same the first run through or so then it was amazing after. I think it just needs to get broken in. I know that that might not be true scientifically or anything but that was my experience.
Sent from my SPH-D700 using XDA Premium App

kennyglass123 said:
If you are rooted, you need to fully charge then boot into CWM and clear battery stats.
Do you BONSAI?
Click to expand...
Click to collapse
Did that
Sent from my rooted, oc'd, Epic 4g. Pwning an Apple fanboy each day!

stormglove said:
Mine was the same the first run through or so then it was amazing after. I think it just needs to get broken in. I know that that might not be true scientifically or anything but that was my experience.
Sent from my SPH-D700 using XDA Premium App
Click to expand...
Click to collapse
It's been drained till it dies and then fully recharged 3 or 4 times now :-/
Sent from my rooted, oc'd, Epic 4 Pwning an Apple fanboy each day!

Zexter said:
It's been drained till it dies and then fully recharged 3 or 4 times now :-/
Sent from my rooted, oc'd, Epic 4 Pwning an Apple fanboy each day!
Click to expand...
Click to collapse
Sorry then I dont know I get like two days with 5 hrs or so of screen time with that batt now. Maybe its a bad battery, sorry to say that.
Sent from my SPH-D700 using XDA Premium App

I just wonder if it's draining so fast because of how I drained it the first time (in original post)
While streaming from shoutcast, I lose right at about 10 percent an hour. Regardless of the app I use for that streaming
[edit] ten percent an hour is if I do absolutely nothing else. If I send txts while streaming. I can go through 10 percent battery in as little as 20-30 mins
Sent from my rooted, oc'd, Epic 4g. Pwning an Apple fanboy each day!

It is more likely that you have some apps loading and using data now that you fired so many up. Download Spare Parts and see if you recognize apps using your battery. Also get cpuspy to make sure your phone is going into deep sleep a majority of the time.
Do you BONSAI?

But I don't fire those up. The only time I did that was the first battery drain, so it would drain quicker.
The battery has gone through more than 5 drain/charge cycles now. I have spare parts. It usually says "running" uses the most.
I'll download the other app
Sent from my rooted, oc'd, Epic 4g. Pwning an Apple fanboy each day!

Just checked that app (cpuspy) and the phone is going into deep sleep. It seems that when I have the shoutcast stream going it going to 200 mhz is most common
Sent from my rooted, oc'd, Epic 4g. Pwning an Apple fanboy each day!

Also check in settings>applications>running services to see what is running.

battery won't charge to 100?

Anybody having trouble charging their phone to 100? My phone says it charges to 100 then beeps then when I unplug it, it immediately goes to 97. I have heard samsung phones have something that prevent them from charging to 100 or something like that is it true?

caaznkid said:
Anybody having trouble charging their phone to 100? My phone says it charges to 100 then beeps then when I unplug it, it immediately goes to 97. I have heard samsung phones have something that prevent them from charging to 100 or something like that is it true?
Click to expand...
Click to collapse
I am having the exact same problem and can't figure it out. I try to recalibrate the phone before as soon as I unplug it, but it drops down below 100% as soon as I unplug it from the wall charger that came with the phone

This JUST started happening to me this morning.

My phone has been doing this for awhile just keep an eye on how long the battery lasts if its still the same then no worries otherwise contact service provider
Sent from my SPH-D700 using XDA App

My phone was off the charger 1.5 hours, down to 60%. I reboot the phone, automatically went down to 35%.... No idea what's going on.

alero said:
My phone was off the charger 1.5 hours, down to 60%. I reboot the phone, automatically went down to 35%.... No idea what's going on.
Click to expand...
Click to collapse
I get to 100% from both USB and the wall chargher (although I don't use the Samsung charger, I use one from a Bluetooth).
After unplugging, I stay at 100% for a few minutes, then it drops to 99%... Which makes sense, because the instant you unplug it, its obviously not charged 100% anymore.

Dalmus said:
I get to 100% from both USB and the wall chargher (although I don't use the Samsung charger, I use one from a Bluetooth).
After unplugging, I stay at 100% for a few minutes, then it drops to 99%... Which makes sense, because the instant you unplug it, its obviously not charged 100% anymore.
Click to expand...
Click to collapse
Yup, same here
Sent from my Samsung Galaxy S II

Well are any of you rooted? You should state the condition of your phone when you have questions like that. It will surely help speed up or help with the answers.

Mine always drops straight to 99 the second i unplug it. Im not rooted. My battery life has been pretty good so i didnt think anything of it really.
Sent from my §ãM§ûñG GåLâXÿ §2 éPîç 4G TøùçH

Its a feature made to prevent overcharge the og epic has this too.
Sent from my SPH-D700

ac16313 said:
Its a feature made to prevent overcharge the og epic has this too.
Sent from my SPH-D700
Click to expand...
Click to collapse
Yup all the Samsung android phones do that, from the epic 4g to the nexus s

jgalan14 said:
Yup all the Samsung android phones do that, from the epic 4g to the nexus s
Click to expand...
Click to collapse
And the reason I've had the phone for a week now and it just started happening this morning?
(not rooted)

Phone not charging to 100% is actually a good thing.
There's a website I read I think from this forums in another thread or somewhere else but basically explained how lithium batteries work. In it, it explained how manufacturers are encouraged to program their devices/chargers not to charge 100% to prevent over-charges. Doing this actually extends the battery life and efficiency. Its also bad to discharge batteries down to 'critical' levels. It defined critical as being anything under 20% and is recommended to recharge phone using outlet than USB at those levels. Anything above 20% is ok to use either USB or outlet and prefer with phone off.
I can say I saw the same thing happened to my phone where it was charged to 100% but once turned on its actually a little under that. I thought this was related to the "Android OS" battery bug but it isn't.

I charged mine to 100% then booted into cwm and wiped battery stats rebooted and it said 95% heres to hoping I get that extra 5%
Sent from my SPH-D710 using XDA App

When I had the motorola photon it did the same as well as the nexus I had. I think they do this so the phone doesn't over charge. But also if it's just started then you may have the battery drain issue I saw on here. I don't have it so I have no idea where it would come from....
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00Soul said:
And the reason I've had the phone for a week now and it just started happening this morning?
(not rooted)
Click to expand...
Click to collapse
You flashed different kernels when rooting, different battery stats shown in each. you should start to worry when your battery shows you at 100 for a while
Sent from my SPH-D700

ac16313 said:
You flashed different kernels when rooting, different battery stats shown in each. you should start to worry when your battery shows you at 100 for a while
Sent from my SPH-D700
Click to expand...
Click to collapse
Im not rooted,as I said.
Sent from my SPH-D710 using XDA App

00Soul said:
Im not rooted,as I said.
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Click to expand...
Click to collapse
It doesn't matter if your rooted or not though its there either way
Sent from my SPH-D700

ac16313 said:
It doesn't matter if your rooted or not though its there either way
Sent from my SPH-D700
Click to expand...
Click to collapse
What part of he's not rooted did you not understand? He's asking if Samsung phones are supposed to reach 99% immediately upon unplugging as stated earlier in the thread, then why his only started to do so recently. Nothing about flashing ROMs..
I've bumped because I noticed this phenomenon only recently on mine and think I recall it sustaining a 100% charge in the past. So it may only start happening as the battery ages: for some, like oosoul, after a week, and for others, like myself, after over a month.
If anyone doesn't drop to 99 straight after unplugging, can you post how long it stays at 100? Thanks

ac16313 said:
Its a feature made to prevent overcharge the og epic has this too.
Click to expand...
Click to collapse
It's not a feature.
It has to do with battery calibration. You should be able to fix this by draining your battery, then going into clockwork and deleting the battery stats, then re-charging it up all the way.
Mine was originally charging up to 100%, but then after I flashed a rom it charges up to 99%. I haven't bothered to fix it because it doesn't really matter, but the same thing happened with my Evo and that's how I fixed it.

Serious Battery Issues

Hey all, I'm looking for some advice regarding the battery on my Verizon Nexus and I wanted to see if anyone else was having troubles too. It seems as though my battery is discharging very very quickly to the point of where I'll pull it off the charger at 100% and within 10 minutes I'm down to 90% with little to no usage. Again, this is the stock battery on the Verizon Nexus. Thanks all!
Sent from my Galaxy Nexus using Tapatalk

take a look into this discussion http://forum.xda-developers.com/showthread.php?t=1387243

Stock ROM/Kernel? Try changing, see if the drainage issue changes. Even reflashing an updated stock image may help.

It looks like the problem is the screen using up the battery. Its using 66% of the battery right now and I'm down to 88% battery after about 25 minutes with brightness on 10%.
Sent from my Galaxy Nexus using Tapatalk

That's standard behavior for most phones. It damages the battery's long-term life to keep it charged to 100% for extended periods of time. It actually trickles down to 90% while on the charger after reaching 100%, but doesn't actually tell you so, because people would get confused if their phone sat at 90% while on the charger.
Lots of laptops do the same thing. E.g. my thinkpad never charges to more than 94-96%. Standard behavior to maintain the battery. The computer is just up front about it, and the phones do it more sneakily.

rollerskatejamms said:
That's standard behavior for most phones. It damages the battery's long-term life to keep it charged to 100% for extended periods of time. It actually trickles down to 90% while on the charger after reaching 100%, but doesn't actually tell you so, because people would get confused if their phone sat at 90% while on the charger.
Lots of laptops do the same thing. E.g. my thinkpad never charges to more than 94-96%. Standard behavior to maintain the battery. The computer is just up front about it, and the phones do it more sneakily.
Click to expand...
Click to collapse
Hmmm, that sort of makes sense but I've never seen this behavior on anything else including the many many Android phones I've used in the past...its annoying. I'm thinking about picking up the extended battery but I'm not sure.
Sent from my Galaxy Nexus using Tapatalk

I had the same problem the first two days of owning the Nexus. I would go to work at 6am and the battery would be drained by 12. I did a few things that seemed to help.
1. Disabled 4G LTE
- My area is spotty when it comes to 4G, so the phone constantly searched for it.
2. Lowered Screen Resolution to 10%
3. Used a dark background.
- The screen will use less power if the background is dark (black is best)
Doing those three things made my phone last from 6am to 6:30pm, which is a noticeable improvement. This was done using the stock battery. I did order an Extended battery, but I have not received it yet.

Lol this happens with basically all mobile devices.
Sent from my Galaxy Nexus using XDA App

kichard said:
Lol this happens with basically all mobile devices.
Sent from my Galaxy Nexus using XDA App
Click to expand...
Click to collapse
not with my friend's 4s.

My battery also drains very fast. I'm at 48% with screen using 33% and android os using 31%. My screen on time is only 58 minutes but android os has kept the device awake for over 2.5 hours

I have a Galaxy Nexus, I had a Droid Incredible 2 before that, and a Droid Incredible 1 before that, and *all* of them have exhibited this behavior.

My nexus was in and out of 4g tonight and I'm at 35% with 9 hours on battery. Used a lot of Google music in the car. FWIW I'm using set CPU . That's probably helping a bit.
Sent from my Galaxy Nexus using XDA App

Bad battery?

I charged my phone overnight and when I woke up the LED was blue but I didnt check the % because i was rushed. When I got to school, the % was 25. now it is going away fast... Really odd, will calibrating help or is it the battery?

U can try calibrating the battery. Try charging it with the phone off, and if u get the same results, than its the battery
Sent from my SPH-D700 using xda premium

LORDFIRE00 said:
U can try calibrating the battery. Try charging it with the phone off, and if u get the same results, than its the battery
Sent from my SPH-D700 using xda premium
Click to expand...
Click to collapse
What lord said. I was seeing an issue where the battery would drop 8 percent as soon as I took it off the charger. Then if I rebooted, the battery would drop significantly so it was never reporting the correct battery percentage. Calibrating didn't help.
Ending up going with the Epic 4G touch battery and it's been a lot better. They are going anywhere from 15-25 bucks shipped:
http://forum.xda-developers.com/showthread.php?t=1284946

If the battery is over 1 year gold's expects a 10 to15% reduction in its capacity. Normal with nickel cadiums.
Sent from my SPH-D700 using Tapatalk

Simple Guidelines for Charging Lithium-based Batteries
A portable device should be turned off while charging. This allows the battery to reach the threshold voltage unhindered and reflects the correct saturation current responsible to terminate the charge. A parasitic load confuses the charger.
http://batteryuniversity.com
Charge at a moderate temperature. Do not charge below freezing.
Lithium-ion does not need to be fully charged; a partial charge is better.
Chargers use different methods for “ready” indication. The light signal may not always indicate a full charge.
Discontinue using charger and/or battery if the battery gets excessively warm.
Before prolonged storage, apply some charge to bring the pack to about half charge.
Over-discharged batteries can be “boosted” to life again. Discard pack if the voltage does not rise to a normal level within a minute while on boost.

Wow! You are like Mr. Battery or something!
Sent from my SPH-D700 using XDA App

Hahaha...I couldn't remember all the info about the lithium ion cells (I read a lot about awhile back). So I decided to post some factual info about. That way it helps everyone and anyone
Sent from my SPH-D700 using xda premium

I hope you are not using a generic battery. I have seen those things spontaneously short themselves. Whatever you do, don't take your battery apart and attempt to rebuild it yourself. Chances are, you don't know what you are doing. I have seen people attempt to fool around with batteries and get hurt.
Remember, lithium ion batteries are a lot like horses stomachs:
1. Empty them often.
2. Fill them often after emptying.
3. Never leave them alone with a full stomach. (Always leave them alone half full).
4. Use them every day in some way.
5. Never ride them hard outside of MacBeth Castle and then walk them for a mile so you don't get killed by Lady MacBeth's agents. (If you use them very hard for a long time, and then use them sparesely afterwards, don't expect them to be stable...and don't expect not to get murdered outside of your castle).
Sent from my SPH-D700 using xda premium

Sounds like a phone charging issue. I've never seen this cuz my phone charges my battery in RARE circumstances like once a year. 4 batteries externally charged well worth the money... ;-)
Sent from my SPH-D700 using xda premium

SadieNibblesworth said:
I hope you are not using a generic battery. I have seen those things spontaneously short themselves. Whatever you do, don't take your battery apart and attempt to rebuild it yourself. Chances are, you don't know what you are doing. I have seen people attempt to fool around with batteries and get hurt.
Remember, lithium ion batteries are a lot like horses stomachs:
1. Empty them often.
2. Fill them often after emptying.
3. Never leave them alone with a full stomach. (Always leave them alone half full).
4. Use them every day in some way.
5. Never ride them hard outside of MacBeth Castle and then walk them for a mile so you don't get killed by Lady MacBeth's agents. (If you use them very hard for a long time, and then use them sparesely afterwards, don't expect them to be stable...and don't expect not to get murdered outside of your castle).
Sent from my SPH-D700 using xda premium
Click to expand...
Click to collapse
You have the strangest analogies yet I fully understand them haha
Sent from my SPH-D700 using XDA App

First 10% battery drain

I'm noticing on gummy and other roms I try that the first 10-12% drops fast then slows down to normal. No matter what kernel I try this seems to be the case. Anyone have any idea or maybe you could school me? Thanks community
I've wiped stats and tried to open and close camera, super aggravating!
Sent from my Galaxy Nexus using xda premium

When your phone is on the charger, it will charge to 100%. After it hits 100%, it will remove itself from the charger and run on battery. This will go down to a certain percentage (maybe 95%, maybe 90%), at which point the phone will reattach itself to the charger and charge back up to 100%. The drop you are seeing is when you take the phone off the charger while it is in the midst of one of these cycles. I would assume it still shows 100% battery but drops down to what it's really at.

Thanks but my battery doesn't get consistent until around 90 and lower so I'm sure your rite but why does charge to 100%
On my nexus s it stoped at 95-96%?
Sent from my Galaxy Nexus using xda premium

I have the same "issue" but I've just learned to live with it...

this makes perfect sense! i always wondered why it did that! thanks

oilfighter said:
I have the same "issue" but I've just learned to live with it...
Click to expand...
Click to collapse
Obviously we all learn to live with it but isn't it nice to know that its an issue and not your phone alone, that's why I ask to see if my fellow community members are experiencing the same problem? I think it has something to do with the fast charge
Sent from my Galaxy Nexus using xda premium

joshnichols189 said:
When your phone is on the charger, it will charge to 100%. After it hits 100%, it will remove itself from the charger and run on battery. This will go down to a certain percentage (maybe 95%, maybe 90%), at which point the phone will reattach itself to the charger and charge back up to 100%. The drop you are seeing is when you take the phone off the charger while it is in the midst of one of these cycles. I would assume it still shows 100% battery but drops down to what it's really at.
Click to expand...
Click to collapse
One way around it is to unplug it for a second and then plug it back in to top it off.

Or charge it while it is off
Sent from my Galaxy Nexus using xda premium

mike216 said:
Obviously we all learn to live with it but isn't it nice to know that its an issue and not your phone alone, that's why I ask to see if my fellow community members are experiencing the same problem? I think it has something to do with the fast charge
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
It's really not an issue, it's just how it works. It gets to 100% and instead of charging more and frying itself, it stops charging. When you take it off the charger at 100%, it's not really at 100%, it's somewhere in between 90 and 100. The reason it says 100 is that if you let it charge all night and it said 93% in the morning you'd have already called to Samsung to complain, as would have everyone else.

The HTC thunderbolt did this as well. To protect the battery, once it reaches 100%, it stops charging. Then once it hit 95% or somewhere in the 90s again I believe, it kicked back on. You have to bump charge. Though I believe once I started installing custom roms, the issue seemed to disappear. So maybe its in the code or something.
Sent from my Galaxy Nexus using XDA App

Every phone does this.
xHausx said:
One way around it is to unplug it for a second and then plug it back in to top it off.
Click to expand...
Click to collapse
DON'T DO IT!!!!
Seriously, bump charging will destroy your battery health.

Every phone does it. It is to protect the battery's life.
Batteries suffer when they are 100% charged and when they are really low.
That's why when you get a brand new battery is it charged about 50% because it extends the battery's life while in the shelf.

When I disconnect in the mornings it's always 97 or 98%. who knows when it stops charging in the middle of the night. but from 98% to 75% it is really quick. maybe because during that time I'm on the train listening to music and browsing the internet at the same time.
With iphone 4, I always disconnected at 100% in the mornings and after the train ride the battery was around 88%.

fubaya said:
It's really not an issue, it's just how it works. It gets to 100% and instead of charging more and frying itself, it stops charging. When you take it off the charger at 100%, it's not really at 100%, it's somewhere in between 90 and 100. The reason it says 100 is that if you let it charge all night and it said 93% in the morning you'd have already called to Samsung to complain, as would have everyone else.
Click to expand...
Click to collapse
No I didn't calk Samsung and did you hear me complain? I simply asked a question and if you dont like what you read then ignore it and move on. Wake up on the wrong side of the bed. What's up with people hear?
Sent from my Galaxy Nexus using xda premium

mike216 said:
No I didn't calk Samsung and did you hear me complain? I simply asked a question and if you dont like what you read then ignore it and move on. Wake up on the wrong side of the bed. What's up with people hear?
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
He was just saying that if you put your phone on for a full night of charging and woke up to see it was at 93%, you'd probably assume something was wrong and call the manufacturer. Chill out, he's not insulting or mocking you...

I didn't leave it on all night but he was a little offensive by basically calling me a complainer by saying did I call samsung already
I just wanted to known if my problem was rom or kernel or maybe even hardware but coming to find out that my GN is just like that was a bit of relief. I've owned a galaxy s,nexus s but this was the first time I've seen a Google samsung battery charge behave like this. No biggie was just curious
Sent from my Galaxy Nexus using xda premium

KWKSLVR said:
Every phone does this.
DON'T DO IT!!!!
Seriously, bump charging will destroy your battery health.
Click to expand...
Click to collapse
In the long run maybe a little, for how long most people keep their phones it won't matter though. This was actually something HTC recommended we do for the Evo 4G cause it was the exact same way.
I actually did have one of my batteries discharge too much to where it wouldn't come back, but all I had to do was take it in to Sprint and they gave me a new one for free.

mike216 said:
I didn't leave it on all night but he was a little offensive by basically calling me a complainer by saying did I call samsung already
Click to expand...
Click to collapse
I don't know how you got that from what I wrote. I was just saying that if you woke up and the battery said 95% after charging all night you'd think something was wrong with the phone, as would everyone else. The reason it says 100% is that the phone manufacturers don't want to explain that it's not a problem to a million callers a day.

xHausx said:
..
I actually did have one of my batteries discharge too much to where it wouldn't come back, but all I had to do was take it in to Sprint and they gave me a new one for free.
Click to expand...
Click to collapse
The same thing happened to my brother's G2.
Then I remembered, It can be brought back to life either with high voltage or high current. I plugged in to my Touchpad's charger (which is 1.3 amps I think), and the miracle happened. It returned from the dead.

KWKSLVR said:
Seriously, bump charging will destroy your battery health.
Click to expand...
Click to collapse
sstang2006 said:
Batteries suffer when they are 100% charged...
Click to expand...
Click to collapse
Not true.
The best thing for a Lithium Ion battery is to keep constantly charging it as much as possible. These are not the old nickle batteries of ~10 years ago. The internal circuitry inside your phone's charging system is what keeps the lithium cell in it's "happy range".
However, once a cell is outside of it's "happy range" one of two things will happen:
1) Thermal run-away; this is when an overcharged cell begins to generate it's own heat by consuming Lithium, creating more heat, consuming even more Lithium, creating even more heat, etc... When you hear of people's laptop batteries catching on fire in airplanes or where ever, it's usually because of thermal run-away.
2) Cell depletion; if a cell is discharged too low it looses it's ability to retain a charge. It's not a "Hmmm... my batter doesn't seem to hold a charge as long anymore" like the old nickle batteries, but it won't hold ANYTHING at this point.
In closing, there is nothing wrong with "bump charging" your Lithium battery. The charging circuitry has been HEAVILY scrutinized and tested for safety measures and will never overcharge your cell (assuming the HW is opreating correctly).