Database Users

Battery inaccurate after boot

Hi all
since a week or so i have a strange problem with my sgs and i hope you can help me to fix it
Everything works just fine (battery is accurate) until i switch off / reboot the phone
but at next boot the battery reports a very low value
(e.g. the phone has 55% battery left and after the reboot it reports only 8%)
with Froyo 2.2.1 (Speedmod Kernel) it would stay at that level until the battery has really drained to that point
With GB (JVQ - Galaxian Kernel) the battery percentage increases slowly
What i tried so far:
first of all, i deleted the battery stats for a few times and because that didn't work i upgraded to JVQ (with repartitioning and all), but that didn't solve the problem either
i don't really know what to do anymore and i hope someone can help me
thanks

Just do a few drain/ charge cycles and that should sort it
Sent from my GT-I9000 using XDA Premium App

First off, wiping batterystats.bin alone won't help.
Try this:
1. Charge to 100% until it says unplug charger.
2. Wipe batterystats.bin from recovery, unplug and then reboot
3. Drain your phone's battery until it shuts itself down
4. Charge to 100% without interrupting the charge
5. Enjoy :3

thanks for the quick replay!
unfortunately thats basically what i have already done
since the problem happened the first time, i have charged the phone at least 5 times and wiped the battery stats for 2 or 3 times right after charging the phone to 100%
its true that normally i don't drain the battery completely, but yesterday i have done just that and than let the phone charge overnight - but that didn't solve the problem
i will try to fully discharge the phone a few more times and load the battery while the phone is switched off
still i hope someone has an other suggestion how to solve this annoying problem
thanks

lol - stop deleting the batterystats.bin for starters.
The batterystats needs to indentify the top and bottom markers such as 0% - 100%, delete it ONCE.
Firstly, turn the phone off, charge the phone to 100%, bump charge it, till 100% truely.
This means, unplug...then plug it in again until you keep getting 100% show up.
Boot up into recovery then delete the batterystats.bin.
Use it heavy, activate everything and drain it. Make sure it is compeltely drained, try turning the phone back on, take the battery out for about 2 mins, try turning it on again, if it doesnt turn on, you've drained it.
Plug your charger in, do not turn the phone on, let it charge to 100%, again, bump charge it until 100% truely full, turn the phone on and let it run its natural course this time.
Do not delete the batterystats.bin again, you will have to repeat the process, it will take a good 2/3 times of charge/discharge for the stats to settle.
Hopefully helps dude! Good luck

thanks pidz!
just to clarify: i have had my sgs for a half year now and i never wiped the battery stats until last week
But i haven't tried bump charging jet - i really don't like that process as it is bad for the battery but might be worth a try, thanks

it usually happens with non original batteries. did you changed a battery? or maybe you got a fake one with you phone?

battery not charging to 100%

new to the atrix.
I installed the latest oat update, and the phone was @ 70% after charging all night. I also noticed it discharge updates only by 10% increments.
I installed the homepage Rom, and it charged overnight to 93%.
I've applied the battery fix, but that only seems to stabilize the display (I noticed it fluctuating before the fix)
is there a fix? I've done calibrations on phones, but I needed to get 100% and the charge while off. Not sure how I can calibrate if I can't get a full charge while on.

Use recovery to wipe battery stats. If it still fails to display 100% when charged shut the phone off. Take the battery out, then plug the phone in. Wait until the "?" on the battery shows up. Then put the battery in while it is still plugged in. Leave it like that for about 30 mins. When you click the volume button the battery will show only 5-10%, but turn the phone on and it should read 100%.

J-man67 said:
Use recovery to wipe battery stats. If it still fails to display 100% when charged shut the phone off. Take the battery out, then plug the phone in. Wait until the "?" on the battery shows up. Then put the battery in while it is still plugged in. Leave it like that for about 30 mins. When you click the volume button the battery will show only 5-10%, but turn the phone on and it should read 100%.
Click to expand...
Click to collapse
I'll try that. I already wiped battery a couple times in cwn

OK, then the 2nd part should do the trick. It works for me anyways. Once you do see 100%, wipe batt stats again and let the battery die, then charge while the phone is off. Should fix you up.

A.VOID said:
new to the atrix.
I installed the latest oat update, and the phone was @ 70% after charging all night. I also noticed it discharge updates only by 10% increments.
I installed the homepage Rom, and it charged overnight to 93%.
I've applied the battery fix, but that only seems to stabilize the display (I noticed it fluctuating before the fix)
is there a fix? I've done calibrations on phones, but I needed to get 100% and the charge while off. Not sure how I can calibrate if I can't get a full charge while on.
Click to expand...
Click to collapse
You might have to wipe battery stats several times. I had an out of the ordinary calibration problem between flashing roms and had to wipe everything several times before it started working properly. Also note, that charging up to 95%-99%, and unplugging and plugging back in and slowly charging past 95% is common and not a problem. The software is estimating battery charge. And if you do charge past 95% and unplug its ok if it quickly goes back down to 95% and then tapers slowly.
I voided my warranty and your mum.

You have to wait for battery to go beyond 95%.
It takes time but it goes their.
My personal experience.

Just drain the battery til it dies. Then plug it in over night while you sleep. Once you wake up wipe battery stats and everything should be good.
Sent from my MB860 using Tapatalk

drpratik said:
You have to wait for battery to go beyond 95%.
It takes time but it goes their.
My personal experience.
Click to expand...
Click to collapse
Jnewell05 said:
Just drain the battery til it dies. Then plug it in over night while you sleep. Once you wake up wipe battery stats and everything should be good.
Sent from my MB860 using Tapatalk
Click to expand...
Click to collapse
I think he has tried both of these methods. I know I did. What I told him to do was the only thing that worked for me.

OK J, it looks like that fixed it.
Although battery showed 4169, and I saw others with 4200
Thanks issued!

try discharging until the phone shuts off and charging it again without turning it off.

A.VOID said:
OK J, it looks like that fixed it.
Although battery showed 4169, and I saw others with 4200
Thanks issued!
Click to expand...
Click to collapse
Hmm...battery should show 4203 when fully charged. Mine has actually displayed 4205 a couple of times.
Sent from my MB860 using Tapatalk

I'm going to try it again. I tried a different rom, and it only went to 92%. I redid the battery pull and Saw 4185.
Sent from my MB860 using XDA App

[Q] Battery won't charge over 60%

Since few days ago, im using PCFighters rom. And, I have problem with charging, my battery wont charge above 50-60%. I tried deleting battery stats from recovery; i tried bump charging (although i cant charge phone while its turned off - CM7 "feature" ), i tried some method form XDA (charge phone, delete battery stats, reboot phone, remove battery from phone while rebooting, and phone still on cord etc) - but nothing works...
Battery itself lasts like usuall, 24-30hours, but this is really annoying... and, here is pic of battery usage, you can see how it oscilates on far left side, while charging, 50-60%, and thats it...
Any solution?

darkorudar said:
Since few days ago, im using PCFighters rom. And, I have problem with charging, my battery wont charge above 50-60%. I tried deleting battery stats from recovery; i tried bump charging (although i cant charge phone while its turned off - CM7 "feature" ), i tried some method form XDA (charge phone, delete battery stats, reboot phone, remove battery from phone while rebooting, and phone still on cord etc) - but nothing works...
Battery itself lasts like usuall, 24-30hours, but this is really annoying... and, here is pic of battery usage, you can see how it oscilates on far left side, while charging, 50-60%, and thats it...
Any solution?
Click to expand...
Click to collapse
There are 2 possible solutions:
1. Re Flash the ROM, let it reach all load until phone turn off, charge to 100%, then Calibrate Batt, then reach the load to 0% again, then charge the batt. If the charge stay on 60%, unplug and plug your charger continuously from the outlet energy.
2. Replace your battery with a new one.

this problem have a simple solution you must download "battery calibration" or "battery calibrator" and when the phone is charged (60%) you must click the button .. if this doesn't work you can enter in recovery---> advanced---> wipe battery states

riku-dark said:
this problem have a simple solution you must download "battery calibration" or "battery calibrator" and when the phone is charged (60%) you must click the button .. if this doesn't work you can enter in recovery---> advanced---> wipe battery states
Click to expand...
Click to collapse
Done this already, not working (both ways)... ill reflash ROM today, and we will see does it works
Edit:
Not working... flashed ROM again, cleared dalvik/cache etc, left battery to drain out - but it wont charge over ~50% :/

darkorudar said:
Done this already, not working (both ways)... ill reflash ROM today, and we will see does it works
Edit:
Not working... flashed ROM again, cleared dalvik/cache etc, left battery to drain out - but it wont charge over ~50% :/
Click to expand...
Click to collapse
also for me the charging stopped at 90% and with calibration I solved the problem :S

riku-dark said:
this problem have a simple solution you must download "battery calibration" or "battery calibrator" and when the phone is charged (60%) you must click the button .. if this doesn't work you can enter in recovery---> advanced---> wipe battery states
Click to expand...
Click to collapse
Thats How I Do It

I need to flash the latest recovery.img CWM v5.0.2.7 first and then wipe battery stats.

With Battery Callibration app see how high is battery voltage, when is at 60%, then share here with us.

OK, ill check it tommorow morning and type it here... thx, imenjak
("imenjak" - ppl with same name, in our language)

After 10 hours of charging, baterry is at 52% or 3729mV... i tryed unplug/plug in for a few times, but now it wont go over 52%.

Finally the following steps helped me:
- I flashed the latest CWM recovery.img v5.0.2.7
- Boot into Recovery and did:
- "wipe cache partition"
- Inside "Advanced" both did "Wipe Dalvik Cache" and "Wipe Battery Stats"
- Power Off
- removed batterie and waited at least 5 minutes
- inserted batterie and used GT540 until it's fully empty
- charged GT540 again
- Voila: "charged 100%"

darkorudar said:
After 10 hours of charging, baterry is at 52% or 3729mV... i tryed unplug/plug in for a few times, but now it wont go over 52%.
Click to expand...
Click to collapse
If nothing helps, try to backup your current ROM, install a different one (for example Froyo or stock Eclair) and if the same thing happens (also after calibration) then you will know for sure that the problem is hardware nature and your battery is dying. But if on different ROM you have normal battery charging then its a very weird bug.
Good luck, imenjak!

muelra said:
- I flashed the latest CWM recovery.img v5.0.2.7
Click to expand...
Click to collapse
OK, i have CWM V4.0.1.4; and never took battery for 5min or more.... first I will try with battery, than with new CWM; and on the end with another ROM... TY all for advices

Well, problem is solved... funny, but problem was in charger, or data-cable :/ With new charger, I have no more this stupid problem

Like I told.
Sent using Tt.

[Q] Battery charge level doesn't change when sim removed. Why?

I have Aurora ICS in my U8800. Yesterday I removed SIM to another phone and turned U8800 back on. Battery level was 80%. Listened music, used wifi a little bit... and today, 12 hours later battery level was still 80%. Reboot, and now the battery level is 40%. Plugged in charger and two hours later level was still 40%. Reboot, and now the level is 100%.
What part in Android system handles battery level changes (and updates changes battery indicator). And why does SIM play any role in this situation? And most important question now is how can I refresh charge level without rebooting (and without SIM of course)? Tried some battery widgets from play store but without luck...

try this
Yari71 said:
I have Aurora ICS in my U8800. Yesterday I removed SIM to another phone and turned U8800 back on. Battery level was 80%. Listened music, used wifi a little bit... and today, 12 hours later battery level was still 80%. Reboot, and now the battery level is 40%. Plugged in charger and two hours later level was still 40%. Reboot, and now the level is 100%.
What part in Android system handles battery level changes (and updates changes battery indicator). And why does SIM play any role in this situation? And most important question now is how can I refresh charge level without rebooting (and without SIM of course)? Tried some battery widgets from play store but without luck...
Click to expand...
Click to collapse
just charge your phone for 3 hours, i think that should be enough for full charge.Do not unplug it, Go to recovery wipe battery stats, and leave it plugged in for another half an hour. that should solve it.

sup
rjspark89 said:
just charge your phone for 3 hours, i think that should be enough for full charge.Do not unplug it, Go to recovery wipe battery stats, and leave it plugged in for another half an hour. that should solve it.
Click to expand...
Click to collapse
not everyone have clockwork recovery my friend
anotherway to resert battery stats its free apk calld battery calibration
here is link
https://play.google.com/store/apps/details?id=com.nema.batterycalibration
it needs root.
best way to calibrate battery is fully charge then unplug restart device plug in charge till 100% and do it again over and over for 3 times then... calibrate battery
fully discharge and charge again till 100 w/o breaks

Ok, tried that what rjspark89 suggested. No help.
But when I inserted an old, deactivated SIM-card into phone, everything worked fine.
So, something is not working the way I think... Now using U8800 as PDA for a while. No phone but BT and WIFI are working, and battery charge level changes as expected. Case closed
(and yes, I have Clockwork Recovery in my phone, and battery calibration app(s) are familiar too)

My S7 Edge G935v battery drain so Fast at 15% - turn off suddenly at 5%?

Hi,
My S7 Edge G935v runing Lastest G935U Firmware QG1
My battery drain from 100%-15%...normally, but from 15% to 0% drain very fast. (5%/time: 15-10%-5%). and when 5% remaining it turn off suddenly.
My screen on about 4.5-5hous...
So Should I replace new battery? and how to fix or calibrate battery?

In my opinion the battery is ok

loveuhp said:
Hi,
My S7 Edge G935v runing Lastest G935U Firmware QG1
My battery drain from 100%-15%...normally, but from 15% to 0% drain very fast. (5%/time: 15-10%-5%). and when 5% remaining it turn off suddenly.
My screen on about 4.5-5hous...
So Should I replace new battery? and how to fix or calibrate battery?
Click to expand...
Click to collapse
Before I paid for a new battery Id probably factory reset and see if it continues. Id also install accubattery from playstore. Youve got to let the app measure your battery health for 24 hours. Itll tell you how much battery capacity you have left (degradation)
But based on your observations, I'm not sure you need a new battery. Do you always let it run so low?

KLit75 said:
Before I paid for a new battery Id probably factory reset and see if it continues. Id also install accubattery from playstore. Youve got to let the app measure your battery health for 24 hours. Itll tell you how much battery capacity you have left (degradation)
But based on your observations, I'm not sure you need a new battery. Do you always let it run so low?
Click to expand...
Click to collapse
Battery Health in accubattery now is 96% after some charge times

15% remaining about 5mins using

hello,
I'm Italian.
Same problem for me since a week for my S7.
But I done the last update few monts ago (Android Nougat).
What we have to do?

Try an app called Advanced Repair Battery Life. You can find it on Play Store:
https://play.google.com/store/apps/details?id=com.mocamocaapps.advancedbatteryliferepair
Once installed, open the app and hit 'repair' and wait until the process is finished. Once finished, reboot your phone and see what happens.
I've used on my father's Sony device and it seems to work.

hello, an update.
without factory reset, without app.
On Monday, the battery is crashed from 14% to 1% in few seconds. Then a notification prompted me to correct the anomalous consumption of an app (it was whatsapp). I correct it and the it is remained turned on for 2 hour and half (without using) at 1%. Then it goes in auto turn off. Then I turned on and I wait that it goes in auto turn off. Then I plugged and I loaded battery to 100%. I think this procedure is called calibration.
The next days battery is not crashed, it has normal consumaption.
Today I will monitor what will happen.
thanks

Hi guys!
I got the same battery issues here.
Noted 2 days ago, it was at 15% remaining, talked 1 minute with my colleague and the S7 was turned off. Tried to turn it on, the battery was 0%, plugged in and recharged for a while.
Yesterday the same, at 15% turned off, then I monitored it and around 5/7% it switches off on its own.
From 15 to 5/7% goes very fast, in 1/2 minutes and not more. In this situation on the right side it becomes very hot.
I experienced a similar situation with my Galaxy Tab S, the screen was flickering and overheating issues with looping reboots. Solved by an unplug/replug of the internal battery.
I'm very worried about my S7E!
Just for note, I use Quick Charge very often and a magnetic support for car use.

crystal13282 said:
hello, an update.
without factory reset, without app.
On Monday, the battery is crashed from 14% to 1% in few seconds. Then a notification prompted me to correct the anomalous consumption of an app (it was whatsapp). I correct it and the it is remained turned on for 2 hour and half (without using) at 1%. Then it goes in auto turn off. Then I turned on and I wait that it goes in auto turn off. Then I plugged and I loaded battery to 100%. I think this procedure is called calibration.
The next days battery is not crashed, it has normal consumaption.
Today I will monitor what will happen.
thanks
Click to expand...
Click to collapse
Yesterday evening the same on my device. Spotify prompted as anomalous consumption, corrected and the drain stopped for a while.
Opened Tapatalk and here we go again with the fast running out. Hope that will be better right now.
Installed accubattery app, my battery has 72% of health.
Inviato dal mio SM-G935F utilizzando Tapatalk