Battery life CM9 nova - LG Optimus 2x

hi,
I'm new in here, hope can help.
I just mod my rom to CM9 Nova HD RC9-18, find out my battery life is draining. After full charge and use for 1hr, 50% is gone. Any one can share you experience here. Live wallpaper is turn off and other as per default.
Thanks

is this normal for this rom? under the battery status, 50m for 100% charged battery

i think it is impossible to use,when i use nova,screenoff 12hr just 2%,

Related

Re: Battery life

Re: Battery life
Hi all
went on holiday last week and decided to run a little battery life test.
I removed the sim card (as i didnt want to be charged for roaming etc), turned wifi off and gps and didnt use it at all apart from an alarm clock. left it fully charged and by the 6th day i still hadnt charged it and it had 45% battery life left. I was amazed.
Then on return to the UK i put it back into the state i use it in and within 6 hours the battery had gone from 100% to 0%.
Just proves that battery life can be extended if you dont use your phone
There is no reason for this post just thought i would share my findings
Cheers
try CM7 , I'm getting 1,5 day normal usage, on stock only ~8 hours
pretty sure battery life not durable in stock rom in normal usage 3g
maybe you must remove application you not use

[Q]Battery indicator showing wrong?

The last couple of days I've got a weird problem. When my battery is fully charged everything seems okay and it drains in normal speed (compared to stock).
But when my phone runs out off battery and i start to charge in the beginning everything seems fine.
But suddenly it can go from 75 to 100% in 1 minute.When i look at the stats in MIUI ROM it seems like it's not at same height as it was the last day of 100%. Maybe only 80%.
Sorry for my bad English, but i hope it makes sense.
I've wiped battery stats in CWM. But is it possible that the phone actually is only 80% charged, even though the indicator shows 100% after wipe?
Because if the ROM think the battery is charged and wipe stats it will afterwards only charge to that point and the battery maximum will decrease over days?
If that's possible, how do i full charge the battery? Just leave it in the charger or?
I hope you can understand what I mean.
Thanks in advance
Hello
Does your phone charge to fx 75% and after that doesnt get higher until after you restart the phone?
Sent from my LG-P990 using XDA App
CescMusta said:
Hello
Does your phone charge to fx 75% and after that doesnt get higher until after you restart the phone?
Sent from my LG-P990 using XDA App
Click to expand...
Click to collapse
Yes excactly. But the numbers differs.
Today it charged to 100% though.
Got the same problem?
Sent from my Optimus 2X using XDA App
have you try calibrate your batt again
yes my friend have this problem too, maybe there is software bug
After flashing Celebration HD 2.0.1b I first used Battery Calibration from market to wipe battery stats. Afterwards the battery indicator problems started.
Yesterday i decided to wipe battery stats manually in CWM and drain to phone to 2% before charging, and afterwards I was able to fully charge the phone.
So maybe the bug in is Battery Calibration app?
I decided to install Juice Plotter to monitor the battery and compare it to one build in in MIUI. Just to get some more data.
Hello again
Yes i had the same problem as you, with my previosly 2 lg optimus 2x, and returned them because of the problem you mentioned. I am on the third op2x and luckily this work good
So if i were in your position i would try to go to the dealer and shift the phone with another lg optimus 2x.
Best regards
Sent from my LG-P990 using XDA App
CescMusta said:
So if i were in your position i would try to go to the dealer and shift the phone with another lg optimus 2x.
Click to expand...
Click to collapse
The user said that he started to have problem after a new rom and wiping battery stats, changing phone for that is not the smartest move at all. Is like changing phone because your rom doesn't work.
I have a similar problem, after you wipe battery stats you don't have a reliable indicator, for me the phone took 3 hours to get from 99 to 100%.
I also noticed that my miui ( 1.8.5 same for 1.7.29) doesn't update battery stats when the screen is off so all those plotter don't work, and i think this messes up with the battery indicator (I guess the phone doesn't have enough data to make a decent estimate)
I think is miui + wipe battery stats that can be problematic
I know that but i am just saying that i also had the same problem with the stock rom.
Best regards
Sent from my LG-P990 using XDA App
How old is the battery? How many cycles does it have?
I know from laptop Li-Ion batteries that the voltage vs. capacity is not linear.
When discharging, the voltage will steadily drop to a "wear-level" where it will jump to an almost depleted level. When charging, this "wear-level" will be at the top.
Why I am telling this? Because if this mapping is kept in SW and you wiped it, Android needs to relearn it again. So at 1st complete charging/discharging you would see a % sudden drop/raise, but at the next cycles it would be linear with time (although the total time will be smaller than a new battery).
When laptop/phone battery tips talk about calibration, it is so whoever monitors the voltage (circuit in battery or SW) to know were the wear drop will be, so your estimates to be better.
As an example, I had a very old Thinkpad that did not have any calibration, and it would discharge to about 40% and drop to 5% within seconds. But when charging, it would raise steadily to 70% (from that 5%) but 70% to 95% in seconds. After years of use, that percentage gap would just increase (40-5 got 60-5, 70-5 on discharging).
PS: my current Thinkpad has 4 years and the battery capacity is 49% with 150 cycles. But this one has a nice feature where if the battery was above a certain percentage, plugging AC would not charge it (and thus save a few cycles). I used it set at 70%.
PS: LiIon batteries have cycle count, heat and time as main enemies. Also don't like prolonged (think storage) low charge.
battery on wallcharger screen of error
CenaDK said:
The last couple of days I've got a weird problem. When my battery is fully charged everything seems okay and it drains in normal speed (compared to stock).
But when my phone runs out off battery and i start to charge in the beginning everything seems fine.
But suddenly it can go from 75 to 100% in 1 minute.When i look at the stats in MIUI ROM it seems like it's not at same height as it was the last day of 100%. Maybe only 80%.
Sorry for my bad English, but i hope it makes sense.
I've wiped battery stats in CWM. But is it possible that the phone actually is only 80% charged, even though the indicator shows 100% after wipe?
Because if the ROM think the battery is charged and wipe stats it will afterwards only charge to that point and the battery maximum will decrease over days?
If that's possible, how do i full charge the battery? Just leave it in the charger or?
I hope you can understand what I mean.
Thanks in advance
Click to expand...
Click to collapse
I have when i turn off my fhone and i charge it it shows a battery icon whit an error in it ics lgp990 please help i dont no what tho do

[Q]Battery problem?

Hello all,
I am now on Nova 8, after trying Cm7, then stock, then nova 8. The problem im facing is that I think the battery life is shorter than it should be. I used battery calibration app and when its close to 0% still shows 3000+mv, is this correct? Or it should be close to 0. After using this App the problem persist. Im not sure if its my imagination or the battery should last longer but with a light useage the phone hardly reaches a day.
Thank you in advance
haitzo said:
Hello all,
I am now on Nova 8, after trying Cm7, then stock, then nova 8. The problem im facing is that I think the battery life is shorter than it should be. I used battery calibration app and when its close to 0% still shows 3000+mv, is this correct? Or it should be close to 0. After using this App the problem persist. Im not sure if its my imagination or the battery should last longer but with a light useage the phone hardly reaches a day.
Thank you in advance
Click to expand...
Click to collapse
Hy, when u'r phone is 100% use battery calibration then discharge u'r phone and whait to close (0%). Then leav it to charge 100% with out turning it on, is should work
haitzo said:
Hello all,
I am now on Nova 8, after trying Cm7, then stock, then nova 8. The problem im facing is that I think the battery life is shorter than it should be. I used battery calibration app and when its close to 0% still shows 3000+mv, is this correct? Or it should be close to 0. After using this App the problem persist. Im not sure if its my imagination or the battery should last longer but with a light useage the phone hardly reaches a day.
Thank you in advance
Click to expand...
Click to collapse
First, this is the Development Section and not for asking questions. This should be posted in General Section. (Reported and now moved)
Whenever you flash a new ROM or exchanging one for another, you should always wipe battery stats (CWM). You can however do this now directly without that app. Charge it 100%, then reboot to recovey (CWM) then wipe battery stats.
To answer your question. You might have mistaken a battery drain would equal to 0mV. Batteries like ours has 4200+mV at full charge, and a discharged rate of about 3000+/-mV. This could be well explained by someone like huexxx.. XD CMIIW

CM9 super drain battery

hi,
I'm new in here, hope can help.
I just mod my rom to CM9 Nova HD RC9-18, find out my battery life is draining. After full charge and use for 1hr, 50% is gone(scary). Any one can share you experience here. Live wallpaper is turn off and other as per default.
Under the battery status, stated 50m on battery for 100% charged battery.
Thanks
Maybe u flashed this ROM with no 100% batterie! With FullWipe, u also wipe the batterie stats!
so u mean i should full wipe again or? thx
This should help you!
Battery Calibration
ailusong said:
so u mean i should full wipe again or? thx
Click to expand...
Click to collapse
You have to consume the whole battery and subsequently recharge up to 100%, then you go in cwm recovery and do the battery wipe
normally you have to wait 4-5 complete charge to chek battery life
This app have a very bad reputation on the market !anyone tested it ?
Thanks for the advice anyway !
ailusong said:
hi,
I'm new in here, hope can help.
I just mod my rom to CM9 Nova HD RC9-18, find out my battery life is draining. After full charge and use for 1hr, 50% is gone(scary). Any one can share you experience here. Live wallpaper is turn off and other as per default.
Under the battery status, stated 50m on battery for 100% charged battery.
Thanks
Click to expand...
Click to collapse
I'm 100% positive you have a mismatch Baseband & RIL.
find "GetRIL" app from Playstore.
the app will do the rest for you.
CM9 have 216 RIL as default.
it will drain battery if you use other than 216 Baseband.
GetRIL will help find the matching RIL for your phone baseband.
good luck.

[Q] EMERGENCY!!! BAttery draining like a rocket

CAn anyone suggest how to fix battery drain im on fxp Cm 12 02/09 and i turned everthing off and battery on low brightness.Also this happend before on other roms.NEEd a fix please reply fast:crying::crying:
What other ROM's did this happen on? Were they also Lollipop ROM's? I personally experienced this once on CM12, my phone went from 70-ish % to 1% overnight by doing absolutely nothing! My advice is to come back to Lollipop when it is more stable, it's way too buggy right now to be used as a daily driver IMO.
ok
Ok ill try crystalpa 8.50 and will let you know about the battery. Well i dont in the first place why my battery is draining it wsnt draining last week i use to leave my phone overnight. It used to be 100% to 95%.NOw its 100% to 79% which is bull****:crying::crying:
sarbjot1 said:
Ok ill try crystalpa 8.50 and will let you know about the battery. Well i dont in the first place why my battery is draining it wsnt draining last week i use to leave my phone overnight. It used to be 100% to 95%.NOw its 100% to 79% which is bull****:crying::crying:
Click to expand...
Click to collapse
What's using the battery the most? Check in settings.
STATs
ITS mostly android system mediaserver and google playservices all of these are making the battery drain at night.:crying::crying:
sarbjot1 said:
ITS mostly android system mediaserver and google playservices all of these are making the battery drain at night.:crying::crying:
Click to expand...
Click to collapse
try this sarbjot1
http://forum.xda-developers.com/oneplus-one/general/guide-google-play-services-battery-t2832525
i tryed
I have already implemented that guide it works for 5 mins and then starts again to drain. How much screen on time do you usually get.:crying::crying:
Have you switched back to KitKat yet? I noticed the battery going down a lot quicker on Lollipop myself.
i use stock jelly bean, and i get 5 hours screen time on average, sometimes i get 6h+
kitkat
Yes I'm on KitKat now crystalpa 8.50 that battery is still draining and how do you get 6hours battery screen on time on jellybean please explain the method thanks:crying::crying:
battery efficient rom
Can anyone please suggest a good battery ROM that doesn't drain battery thanks.:crying:
The stock Sony ROM's have the best battery life.
My battery drain faster then Light!
Since 4-months I seeing that my phone battery draining like as faster as saying 123456789.before 4month its worked really fine suddenly what happed i could not understand! My phone battery is 4000mAh at first its worked really fine...But what happen now? yaa i changed the Rom to Lollipop but after saw this problem i came back into kitkat again... My phone model is Walton Primo GM..Hope I will get my solution! Thanks All!
Same here with the battery. I returned to stock 4.3 to see will the problem remains.
i have been using one plus x charger since few days.. battery charges from 14% to 70% in around 30 minutes (with 3g onn!!)
What could be the problem for this? Few days ago i didn't have problems with battery and then suddenly yesterday morning it went to 50%, though i charged it at 100% the night before.

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