Low battery life

XrevelationX · Apr 20, 2012

Hello,

Since I bought my cell (about 1 year ago) I've been experiencing low battery life. I've used different roms, tried about almost everything to decrease battery consumption (2g, no wi-fi, etc) but it still lasts about max 8h (moderate usage). While using continously it lasts max 2-3h. So is this normal, what could I possibly do about it or should I just buy a new battery?

Currently running Nova Hd RC 21-39 with Supernova pre RC-3 kernel.

~XrevelationX

Sent from my LG-P990 using XDA

Supupa · Apr 21, 2012

No that's no where near normal. Could you get a screen shot the battery usage ?

sent from wii remote

XrevelationX · Apr 21, 2012

Not sure if you ment those stats, just tell me if it are not the right stats.

Translation:
Signal mobile network
Wi-fi
Turned on
Screen on
Charging

Sent from my LG-P990 using XDA

XrevelationX · Apr 21, 2012

Other stats are:

Screen - 92% (on automatic though) Wi-fi - 7%
Mobile stand-by - 3%

Yes, it makes 102% kinda weird ^^

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Supupa · Apr 21, 2012

don't sorry about screen percentage, its heaps inaccurate.

Could you install system panel from the market and tell me what the cpu's are doing on idle?

sent from my wii remote

XrevelationX · Apr 21, 2012

Nothing really special, it varies tho sometimes it goes to max instantly and drops back within 2s

Sent from my LG-P990 using XDA

grither11 · Apr 21, 2012

same issue here..

running nova hd RC22-41..

Supupa · Apr 21, 2012

I'm pretty sure the battery if screwed. You can pick one up off eBay for a steal.

sent from my wii remote

grognaz · Apr 21, 2012

Your cpu is at 50% all the time, how is that nothing special?
Install os monitor and check whats using the cpu.

Sent from my HTC Wildfire using XDA

Supupa · Apr 22, 2012

XrevelationX said:
Nothing really special, it varies tho sometimes it goes to max instantly and drops back within 2s

Sent from my LG-P990 using XDA

Wait. When you say drops back? What does it drop back to?

sent from my wii remote

felixthecat · Apr 22, 2012

Short answer yes i did and it helps a nit

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XrevelationX · Apr 22, 2012

Looked at OS monitor and only thing that consumed cpu is android system (5%) and system (2%)

Sent from my LG-P990 using XDA

RichJo86 · Apr 22, 2012

I'm running CM7.2 RC1
Worked fine for a while and now th phone looses 10% per hour (idle). Checked OS monitor and System panel but there is nothing eating CPU or something that shouldn't run.
Only thing that changed between the two phone states (fine / annoying as hell) is some experimenting with GetRIL. So I re-installed the RIL (v20l) that worked fine before but it didn't help.

Also I have two batteries. The original LG and the Andida, both give crappy results. Think I'm going to try to go back to the stock ROM, see if it helps.

R0B3RTF1SH3R · Apr 23, 2012

i just did that. having two batteries will probably confuse the calibration unless u calibrated them the same way. either way, from what im guessing, not fully discharging the batt will mess the readings as 1 constant battery ?

RichJo86 · Apr 23, 2012

According to my earlier measurements the Andida is also about 1500 mAh in real life. So it shouldn't differ much. From what I read clearing the battery stats doesn't do much, said some Google developer. I'm back to v20r now and it looks much better.
40% in 7 hours, before it was 10% per hour idle.

Today it was even better, ~30% in 8 hours. This looks more like I was used to.

Sent from my LG-P990 using Tapatalk 2

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