[Q] Battery drain from camera in CM7? - Xperia Arc Q&A, Help & Troubleshooting

Hi all,
I'm not sure where I should post this so I've opted for Q&A, I've noticed an unusual battery drain on CM7 from the camera (as you can see in the screenshots attached). I don't know if I'm reading it right but apparently my camera would have used 22% of the battery running 3 sec?
I hope I'm wrong but if not, could someone explain how I can fix this issue? Run a nightly build?

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[Q] How to increase the battery life?

Hello Mates,
I am using Wildpuzzle ROM v0.8, which is having many problems in its stage.
The camera fails to operate sometimes. But I do managed to make it working using an external application.
The major issue remains of the BATTERY.
Its been a disaster for me to use it when EDGE 'on'. When the downloading is taking place, this phone starts draining the battery within 30sec for each percent. Presently i get the battery backup of around 120mins max on data usage.
One more issue lies in, the battery wont get charged beyond 71%. I need to reboot so that it shows somewhere more than 90%.
I have tried to reflash the v0.8 rom but facing similar problem again.
Will Radio update be a better option?
Can you recommend any better Sense Enabled Froyo?
Is this the bug in the ROM itself?
Help me, with your suggestions.
Thank You.
Recalibrate your battery. Just perform a search on XDA, there are many guides. It cant be a bug with WildPuzzle because I have personally tested it extensively, and this issue didnt exist.
Only after a fresh flash of a ROM, I get very bad battery life, but this is normal in all ROms I have tried. After 1-2 charge - discharge cycles, it fixes itself.
But because you are facing issues like it doesn't go beyond 71%, then jumps to 90% etc - Your battery definitely needs recalibration.

[Q] Battery issues

I've noticed recently that my battery seems to be draining quicker than usual, and I haven't been able to figure out why exactly. I know people here know a LOT more about this stuff than I do, so I figured I'd see if someone could help.
I use GSam Battery Monitor, and I took some screenshots of the top drainers to see if it would mean anything to someone who knew better. When the battery started dying quickly, I installed Greenify and added almost every application to it so they wouldn't drain constantly. These screenshots are after Greenify was installed.
I'm running CM 10.1.0-RC4, with no other modifications to my system. Thanks in advance for any help!
seems that kernel is on max speed most of the time
Happened to me on the one v but it usually goes back to normal after a while

[Q] ROM CM 10.1 Battery Consumption

Guys,
Have you noticed huge battery consumption with CM 10.1 Unofficial ROM on E-980? I used to get 2 complete days on stock, but now I have to recharge my phone every night, no exception.
The biggest battery hogger is Android OS which consumes more than 50%. This is the original thread: http://forum.xda-developers.com/showthread.php?t=2387499&page=1.
Please let me know if any one of you have any solution.
Thanks!
mshimpi said:
Guys,
Have you noticed huge battery consumption with CM 10.1 Unofficial ROM on E-980? I used to get 2 complete days on stock, but now I have to recharge my phone every night, no exception.
The biggest battery hogger is Android OS which consumes more than 50%. This is the original thread: http://forum.xda-developers.com/showthread.php?t=2387499&page=1.
Please let me know if any one of you have any solution.
Thanks!
Click to expand...
Click to collapse
Do yourself a favor and install Better Battery Stats. Then after a day of usage look into your Kernel Wake Locks and Partial Wake Locks. That'll give you a much better idea of what's draining your battery.
mrfeuss said:
Do yourself a favor and install Better Battery Stats. Then after a day of usage look into your Kernel Wake Locks and Partial Wake Locks. That'll give you a much better idea of what's draining your battery.
Click to expand...
Click to collapse
I just have installed it and will check it out in 24 hrs.
Meanwhile I wanted to know whether anyone else faced the same problem?
mshimpi said:
I just have installed it and will check it out in 24 hrs.
Meanwhile I wanted to know whether anyone else faced the same problem?
Click to expand...
Click to collapse
Quite a few of us had battery drain issues related to baseband. If you had installed the Value Pack update prior to installing CM you'd have the baseband which causes a lot of grief. Check the 10.1 thread. @madmack posted about what baseband you should have installed to stop the deep sleep issues.
Worked!
mrfeuss said:
Quite a few of us had battery drain issues related to baseband. If you had installed the Value Pack update prior to installing CM you'd have the baseband which causes a lot of grief. Check the 10.1 thread. @madmack posted about what baseband you should have installed to stop the deep sleep issues.
Click to expand...
Click to collapse
WOW, Thanks for your tip! As you suggested, I installed the model, and my phone is back to normal in battery consumption. Thanks!
I didn't notice this earlier, but my video recording doesn't work. Photos are coming properly, but as soon as I start shooting a video, my camera hangs. Even if I close it, I can't start it again until I restart my phone.
Can someone please help me?

[Q] [ARHD] Battery Drain

Hello guys,
I'm in a little trouble right now. For past two weeks I'm experiencing high battery drain on my HTC M8. I'm running Android Revolution HD 10.2 for three months and I've never had that much battery drain as I'm having now. For example, I unplug charger in the morning after all night charging and after 45 minutes (screen off, lte off, WiFi, bt and stuff also off) I have left only 92 % of battery.
What can I do? I appreciate any help and I'm ready to post all data you need.
Best regards,
pablo7890
Since you've been on the same ROM for 3 months, I suspect its some app or mod that you applied recently.
Otherwise it has to be a hardware issue.
I finally found out that Snapchat was draining battery as hell. I deleted it, but still it's draining badly. What can I do? Are there some good power saving tweaks or something?
Thanks
It will suck but your going to have to go app/mod by app/mod youve installed to find the culprit.
pablo7890 said:
I finally found out that Snapchat was draining battery as hell. I deleted it, but still it's draining badly. What can I do? Are there some good power saving tweaks or something?
Thanks
Click to expand...
Click to collapse
pablo7890 said:
I finally found out that Snapchat was draining battery as hell. I deleted it, but still it's draining badly. What can I do? Are there some good power saving tweaks or something?
Thanks
Click to expand...
Click to collapse
After you install the app, you can try disabling the tweaks that you have installed for a day or two to see how the battery goes. If its still bad, take a look at the wakelocks that's causing the issue. Or you can go for a full wipe and set-up your device from scratch without tweaks to see how the battery fares.

battery issue

Hello all, haven't seen any similar posts so wondering if anyone has an idea what is wrong with my phone. I am.on lineage os 14.1 and have a hectic battery drain. Check the screen shots.
Tried reinstalling the rom and kernel but nothing helps.

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