Database Info

CM 9 Alpha 3 & 4 Battery Issues

I'm having a weird issue with the battery gauge on the CM 9 Alpha 3 and 4 ROM's. If the phone is rebooted when the battery is between ~40% to 70% it shows that the battery will drop to ~15% immediately after rebooting. I've been through calibrating and wiping the battery stats both with the calibration program and through CWM recovery. The battery is showing 3759mV at the time it's reporting 15% after the reboot. I've tried 2 batteries which are both stock batteries, one is about 6 months old and the other is 2 months old. I never noticed this as a problem before, I was running pure stock up until 2 weeks ago. I had the MIK Rom on it for a week, then put CM9 Alpha 3 last week, and Alpha 4 this morning. You can see the "display on" time and massive drop at reboot on the attachments. It also reflects the drains while I was making calls and playing throughout the day. Am I missing something or is there something else to check?
Thanks, I really like this ROM and hope this is just a glitch or me missing something.

The stock batteries are infamous for their very low charges. Get an aftermarket battery.
Sent from Spaceball One.

blackknightavalon said:
The stock batteries are infamous for their very low charges. Get an aftermarket battery.
Sent from Spaceball One.
Click to expand...
Click to collapse
I've been reading through the battery posts on here and am leaning that way. But even with that in consideration, I wouldn't think there would be such a dastric drop like that, and I didn't notice this before until I put the new ROM's on. I'm thinking about going back to another ROM and see if the problem still exists there.

txmtb said:
I'm having a weird issue with the battery gauge on the CM 9 Alpha 3 and 4 ROM's. If the phone is rebooted when the battery is between ~40% to 70% it shows that the battery will drop to ~15% immediately after rebooting. I've been through calibrating and wiping the battery stats both with the calibration program and through CWM recovery. The battery is showing 3759mV at the time it's reporting 15% after the reboot. I've tried 2 batteries which are both stock batteries, one is about 6 months old and the other is 2 months old. I never noticed this as a problem before, I was running pure stock up until 2 weeks ago. I had the MIK Rom on it for a week, then put CM9 Alpha 3 last week, and Alpha 4 this morning. You can see the "display on" time and massive drop at reboot on the attachments. It also reflects the drains while I was making calls and playing throughout the day. Am I missing something or is there something else to check?
Thanks, I really like this ROM and hope this is just a glitch or me missing something.
Click to expand...
Click to collapse
Did you use 6 axis?

Some_dude36 said:
Did you use 6 axis?
Click to expand...
Click to collapse
Nope, just the touch screen.
I know that Lion batteries do not have a linear discharge slope, but with the mV @ 3759 that should reflect ~50% I believe, which is where the % showed before the reboot. But, I didn't check the mV before the reboot. That'll probably be the next thing.

I pulled the lines from battery history.txt file on the sdcard. It looks like the mV dropped around 20mV but the % dropped 40 from the reboot. I streamed videos on YouTube for about an hour and it dropped to 9. Finished it off after that and the phone shut off around 3293mV. The first lines are the reboot.
2012/06/09|17:50:16|-461mA|55%|3702mV|70.7ºF|.500|0
2012/06/09|17:51:28|-461mA|15%|3681mV|71.2ºF|.16|0
2012/06/09|18:01:19|-1mA|15%|3798mV|70.7ºF|.428|0
2012/06/09|18:11:18|-1mA|15%|3798mV|65.3ºF|.13|0
2012/06/09|18:21:18|-3mA|15%|3789mV|62.0ºF|.0|0
2012/06/09|18:31:19|-1mA|15%|3795mV|64.4ºF|.0|0
2012/06/09|18:41:19|-1mA|15%|3780mV|64.4ºF|.0|0
2012/06/09|18:51:18|0mA|15%|3801mV|64.0ºF|.0|0
2012/06/09|19:01:19|-1mA|15%|3759mV|68.9ºF|.385|0
2012/06/09|19:11:19|-2mA|15%|3792mV|64.0ºF|.75|0
2012/06/09|19:21:18|-3mA|15%|3744mV|65.6ºF|.531|0
2012/06/09|19:30:08|-3mA|15%|3783mV|63.6ºF|.200|0
2012/06/09|19:36:48|-3mA|12%|3654mV|65.6ºF|.10|0
2012/06/09|19:46:43|-1mA|10%|3771mV|63.1ºF|.113|0
2012/06/09|19:56:42|-1mA|10%|3675mV|70.8ºF|.588|0
2012/06/09|20:06:42|-3mA|9%|3729mV|66.2ºF|.303|0
2012/06/09|20:14:29|-3mA|9%|3693mV|65.4ºF|.0|0
2012/06/09|20:24:29|-2mA|9%|3666mV|70.7ºF|.1000|0
2012/06/09|20:34:29|-2mA|9%|3645mV|71.4ºF|.998|0
2012/06/09|20:36:47|-1mA|9%|3705mV|72.8ºF|.0|0
2012/06/09|20:46:47|-2mA|9%|3675mV|67.2ºF|.211|0
Sent from my myTouch_4G_Slide using Tapatalk 2

txmtb said:
I pulled the lines from battery history.txt file on the sdcard. It looks like the mV dropped around 20mV but the % dropped 40 from the reboot. I streamed videos on YouTube for about an hour and it dropped to 9. Finished it off after that and the phone shut off around 3293mV. The first lines are the reboot.
2012/06/09|17:50:16|-461mA|55%|3702mV|70.7ºF|.500|0
2012/06/09|17:51:28|-461mA|15%|3681mV|71.2ºF|.16|0
2012/06/09|18:01:19|-1mA|15%|3798mV|70.7ºF|.428|0
2012/06/09|18:11:18|-1mA|15%|3798mV|65.3ºF|.13|0
2012/06/09|18:21:18|-3mA|15%|3789mV|62.0ºF|.0|0
2012/06/09|18:31:19|-1mA|15%|3795mV|64.4ºF|.0|0
2012/06/09|18:41:19|-1mA|15%|3780mV|64.4ºF|.0|0
2012/06/09|18:51:18|0mA|15%|3801mV|64.0ºF|.0|0
2012/06/09|19:01:19|-1mA|15%|3759mV|68.9ºF|.385|0
2012/06/09|19:11:19|-2mA|15%|3792mV|64.0ºF|.75|0
2012/06/09|19:21:18|-3mA|15%|3744mV|65.6ºF|.531|0
2012/06/09|19:30:08|-3mA|15%|3783mV|63.6ºF|.200|0
2012/06/09|19:36:48|-3mA|12%|3654mV|65.6ºF|.10|0
2012/06/09|19:46:43|-1mA|10%|3771mV|63.1ºF|.113|0
2012/06/09|19:56:42|-1mA|10%|3675mV|70.8ºF|.588|0
2012/06/09|20:06:42|-3mA|9%|3729mV|66.2ºF|.303|0
2012/06/09|20:14:29|-3mA|9%|3693mV|65.4ºF|.0|0
2012/06/09|20:24:29|-2mA|9%|3666mV|70.7ºF|.1000|0
2012/06/09|20:34:29|-2mA|9%|3645mV|71.4ºF|.998|0
2012/06/09|20:36:47|-1mA|9%|3705mV|72.8ºF|.0|0
2012/06/09|20:46:47|-2mA|9%|3675mV|67.2ºF|.211|0
Sent from my myTouch_4G_Slide using Tapatalk 2
Click to expand...
Click to collapse
Looks about right for a stock battery. Get an aftermarket battery.
Sent from Spaceball One.

blackknightavalon said:
Looks about right for a stock battery. Get an aftermarket battery.
Sent from Spaceball One.
Click to expand...
Click to collapse
My stock battery does better than that, and never jumped between values (except with the CM 7 kang). With stock Android and now CM 9, I never have that issue :\

I saw a post in the ROM thread that user jarnom had the same thing happen with the battery gauge. I had it happen again when I was at 50% and after the reboot it was @ 6%. I tried what they did, pulled the battery and waited a minute. Powered back on, and the gauge went back to 48%. I never though about pulling the battery, but it worked to get the gauge back to where it should have been.

try Calibrating your battery?
have you tried calibrating your battery? it is recomended to calibrate after your flash a new rom. first time i calibrated my bat life went up at least x2!
not here to advetise any specific app so search "battery calibration" in the market.
hope this helps?

dir3kt0r said:
have you tried calibrating your battery? it is recomended to calibrate after your flash a new rom. first time i calibrated my bat life went up at least x2!
not here to advetise any specific app so search "battery calibration" in the market.
hope this helps?
Click to expand...
Click to collapse
Yes, and no, at the same time. The actual apps that wipe the batterystats.bin file doesn't do anything but remove the file that stores the usage history of the apps. Seidler2457 pointed that out here on the site.
I did start using battery widget pro to see what it showed compared to the phone as it learns the minimum and maximum values for the battery after multiple complete discharge cycles. It estimates time left on the current charge pretty accurately using the current mA draw on the battery. I use my phone until it is dead at night, and then recharge overnight, so it has a few good complete %1 to %100 cycles on it. It's not affecting the battery life that I can tell, I'm getting the same average times out of the battery every day. Actual battery life has been really excellent on this ROM, it's just a weird issue I noticed.

hey, having a sortve similar issue except now the phones battery isnt even taking a charge ._.

anker battery is awesome just went 2 days 12 hours running cm9 alpha 4

Not to sure what all these negatives mean? This is the first night I ran battery monitor widget
Sent from my myTouch_4G_Slide using Tapatalk 2

strapped365 said:
Not to sure what all these negatives mean? This is the first night I ran battery monitor widget
Sent from my myTouch_4G_Slide using Tapatalk 2
Click to expand...
Click to collapse
That's the mA field, (current going to/from the battery. Next to it is the % field, then mV, and finally temp. It was showing a - value when the phone was using battery. It does that periodically when the battery is fully charged and still on the charger.

txmtb said:
That's the mA field, (current going to/from the battery. Next to it is the % field, then mV, and finally temp. It was showing a - value when the phone was using battery. It does that periodically when the battery is fully charged and still on the charger.
Click to expand...
Click to collapse
Thanks man, I was thinking good thing my ankers are in shipping right now and will be here Monday/Tuesday lol
Sent from my myTouch_4G_Slide using Tapatalk 2

I've noticed the past few days, after flashing ICS, that my battery hangs at 77% while charging. I completely discharging it right now and deleted battery stats in recovery. My phone is only two weeks old =/

I flashed Alpha 5 earlier tonight and have rebooted 8 times now to check for this issue. Every time the battery stat has come back at the same level as before the reboot, which is awesome. I'm not sure if anything was changed specifically, but the nuisance I had isn't there now. I flashed over Alpha 4 with just a cache and Dalvik wipe.

G SII LTE (rogers) battery does not charge past 70% and dropping

My Wife's unrooted S2 runing the stock ICS is having issues with battery charge.
She has had it for about 1 month.
The past week she can no longer charge it past 70% (this value is continually dropping). It will go to 100% if the phone is charging while off for 12+hours but then as soon as it turns on the battery drops to 75%.
I have read of pulling the battery for a while, Plug in the phone pop in the battery and power on immediately but this has done nothing.
I have not rooted and tried other roms on her phone yet since we may have to return it.
Any suggestions?
BTW... Sorry for one more battery thread. Just didn't find the solution with my searching.

Bring it in. Maybe a new battery
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2

Replace it under warranty, will be easier than anything else.

xcrazydx said:
Bring it in. Maybe a new battery
Sent from my SAMSUNG-SGH-I727 using Tapatalk 2
Click to expand...
Click to collapse
That was my thought just wanted to check if there were any other magic tricks out there.
Thanks

So just as an update I tried a few things that did not work. Wiped battery stats. Charged the phone with different chargers. Tried cm10. Got a new battery. Reflashed gingerbread.
The maximum charge varied from 50% to 80%
I wiped the phone and will return it.
I am giving this update since I received a pm from the someone with the same problem
Sent from my K1 using xda app-developers app

Boot-Loop

I'm running on CyanogenMod 10.1 , and out of nowhere, after using the phone for around 10 minutes, it loses all the signal, shuts down and starts boot looping for no reason at all, is there any way to fix this?
The only way i can get the phone to turn on is by removing the battery and letting it sit over night, or by placing it in the freezer for some minutes <.<

Maybe your battery died? How old is it? Is the problem only in this rom?
Sent from my HTC Sensation XE with Beats Audio using xda app-developers app

FreakyDR said:
Maybe your battery died? How old is it? Is the problem only in this rom?
Sent from my HTC Sensation XE with Beats Audio using xda app-developers app
Click to expand...
Click to collapse
I've had the problem with a previous ROM, it is roughly one year old, and how can i check if the battery is damaged? Also, in the last couple of days it happens for no reason, even when im not touching the phone, it loses the signal and goes into boot-loop

Tell me how long your battery charge from about 10% to full?
10% to 80% charge faster than 80% to 100%?
When your battery full charge. Shutdown and remove it. Install battery again turn on. Will it drop power about 5 to 10%?
Sr about my English. I'm from Vietnam
Sent from my SHV-E160L using Tapatalk 2

Huongnv said:
Tell me how long your battery charge from about 10% to full?
10% to 80% charge faster than 80% to 100%?
When your battery full charge. Shutdown and remove it. Install battery again turn on. Will it drop power about 5 to 10%?
Sr about my English. I'm from Vietnam
Sent from my SHV-E160L using Tapatalk 2
Click to expand...
Click to collapse
No, the battery doesn't drop back down to 10%, and it sometimes take like an hour? maybe less from 10-20% to full charge

bump

mazune said:
No, the battery doesn't drop back down to 10%, and it sometimes take like an hour? maybe less from 10-20% to full charge
Click to expand...
Click to collapse
An hour to charge from 80% to 100%?
I think the problem is your battery

Huongnv said:
An hour to charge from 80% to 100%?
I think the problem is your battery
Click to expand...
Click to collapse
+1
No battery can charge within an hour
My phone needs at least 3-4 hours
Sent from my Sensational Device using Tapatalk 4 Beta
Want a cool place to hang out
Check this OUT!!!

mazune said:
I'm running on CyanogenMod 10.1 , and out of nowhere, after using the phone for around 10 minutes, it loses all the signal, shuts down and starts boot looping for no reason at all, is there any way to fix this?
The only way i can get the phone to turn on is by removing the battery and letting it sit over night, or by placing it in the freezer for some minutes <.<
Click to expand...
Click to collapse
i agree, its probably your battery. buy an anker one much better than stock. but i do feel the need to mention that putting your mobile phone in the freezer for any length is very very very dangerous and can leave your device very FUBAR

Ordering an Anker battery right now! thanks everyone

Huongnv said:
An hour to charge from 80% to 100%?
I think the problem is your battery
Click to expand...
Click to collapse
hanisod said:
+1
No battery can charge within an hour
My phone needs at least 3-4 hours
Sent from my Sensational Device using Tapatalk 4 Beta
Want a cool place to hang out
Check this OUT!!!
Click to expand...
Click to collapse
no guys
it is a htc common issue after rooting the device
no one has found a solution yet
also if you reboot the device while charging it it will jump to a higher percentage of charge
edit:but mazune in your situation i think you have a problem with your battery(shuts down,booloops,loosing signal etc...)

mazune said:
Ordering an Anker battery right now! thanks everyone
Click to expand...
Click to collapse
How much is it?
I cannot find it in Vietnam

Huongnv said:
How much is it?
I cannot find it in Vietnam
Click to expand...
Click to collapse
look at ebay

Huongnv said:
How much is it?
I cannot find it in Vietnam
Click to expand...
Click to collapse
Anker battery cost me about 18 $ very cheap from amazon

Finally got the new battery and I still have the same problem, any idea how to fix it, maybe a new rom and wiping everything?

mazune said:
Finally got the new battery and I still have the same problem, any idea how to fix it, maybe a new rom and wiping everything?
Click to expand...
Click to collapse
give a try with different roms and kernels to see
if the issue persists probably it is a hardware problem

Any rom you would recommend? Also, which way is the most efficient to delete the rom etc without leaving anything, I read that my problems could also be caused by a bad recovery/rom install

mazune said:
Any rom you would recommend? Also, which way is the most efficient to delete the rom etc without leaving anything, I read that my problems could also be caused by a bad recovery/rom install
Click to expand...
Click to collapse
begin with arhd rom from mike's thread
it is the closest to the stock
before flashing the rom do:
nandroid backup from recovery just in case
full wipe from recovery
flash the rom

rzr86 said:
begin with arhd rom from mike's thread
it is the closest to the stock
before flashing the rom do:
nandroid backup from recovery just in case
full wipe from recovery
flash the rom
Click to expand...
Click to collapse
Did everything you said, I still get infinite boot loops sadly :/

mazune said:
Did everything you said, I still get infinite boot loops sadly :/
Click to expand...
Click to collapse
post the bootloader details(i don't think i will find something there wrong there but just say)

[Q] battery died at 15%

my battery alway died at around 15% - 20%...on cakulin's stock 38r..factory reset does not seems to help...any thought? :crying:

anyone?

There is an app you might want to try.
Battery Calibration
Might help, if there is no issue with your battery
Send from OnePlus One using Tapatalk

Satras said:
There is an app you might want to try.
Battery Calibration
Might help, if there is no issue with your battery
Send from OnePlus One using Tapatalk
Click to expand...
Click to collapse
tried it....problem still persist..could it be the battery itself..but the phone is barely reaches 4 months...

Did you try another Rom/kernel? sounds like a problem with the batterystats or a kernelproblem. Just do a full wipe and give it a new try...:good:

Tried franco kernel..problem still there..and i also notice other problems..when i turn off the phone..i cant boot it normally,into recovery, or fastboot..i need to plug it in to boot it and it will boot into the battery menu stating battery is very low and i have to wait for it to charge..once i can boot into android, the battery will be at 25℅ or more..i dont if this is software or the battery itself is faulty..
Sent from my A0001 using XDA Free mobile app

I have a similar issue where my battery just idles at 100% for awhile despite heavy usage and then drains normally and when the phone reaches 15%, it'll just die without any "powering down" warning.
On stock cm11s 44s using AK .077 kernel

battery not showing correct capacity

So this is my issue, the battery percentage seems to fluctuate badly, there will be one instance where it will charge till 75% and then stop charging and it will say like 1 minute till full charge then never go beyond 75%.
Another instance is the battery will go down really quickly to 1% then it will operate on 1% for like upto 2 hours and then shut down finally.
Things I've done so far.
Changed rom clean flash, wiped caches, flashed stock in odin.
The only thing now is my bootloader is from an older firmware than the rom firmware currently installed which is cas rom.
Any insight or help would be great full. Thank you

Bump, does this sound like a hardware battery issue?

sofir786 said:
Bump, does this sound like a hardware battery issue?
Click to expand...
Click to collapse
Try a new cable?
Sent from my SM-G920W8 using Tapatalk

DarryDoo said:
Try a new cable?
Click to expand...
Click to collapse
I'll see if I can find another but this cable charges other devices fine

I have problems too with battery capacity especially at last 15% before i wasn't have this problem

It's very annoying because I never know how much battery I actually have left, I have to always have my portable charger with me just in case

sofir786 said:
It's very annoying because I never know how much battery I actually have left, I have to always have my portable charger with me just in case
Click to expand...
Click to collapse
I would simply first try another cable and also wall adaper. If this doesnt change anything, make a backup and go FULL stock. Not just flashing some oartitions, but your last stock ROM completely. If this doesn't make a change, then it probably is your battery, that is faulty. Try to have Samsung exchange it then. I just hope that we won't have similar problems, as the Note and S7 ppl.
Sent from my SM-G925F using XDA Free mobile app