Develop Bugs

Battery Drain

Hi All,
When i look into (almost) all roms i see the problem with the battery drain problem.
To bad i do not have the knowledge to find out what to do.
But i think that some smart developers work together to find a solution about this battery drain problem.
So that's why i start this thread so we can discuss this

raiz said:
AdamG's Official Froyo HTC Sense might hold the key to this since it seems to give about 2 days battery performance with the original battery unlike any other rom.
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Click to collapse
It would be great if he could share the knowledge
I am using LeeDroid 1.4c and I too experience battery drain issues...

Someone tried this one http://forum.xda-developers.com/showpost.php?p=7170484&postcount=173 ?

There's a really good battery life on the OD 2.3 ROM Love it!
/CK
Sent from my HTC Desire using XDA App

Café King said:
There's a really good battery life on the OD 2.3 ROM Love it!
/CK
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
Thanks, but i don't like the interface.. want have the sense feeling

Drain
Tested a lot of roms with froyo and sense. The roms based on 2.06 base are draining relative more then the roms based on 2.04.
Above is not scientificly tested.

Charge to 100% , go to recovery , advanced , wipe battery stats. Enjoy greater baterry life
Sent from my HTC Desire using Tapatalk

I had NONE battery drain problems on any of ROMS 2.1 or 2.2, and i did try alot of them.
Maybe theres something wrong with your phone itself (battery).
But definetly try wipe battery stats in recovery.

Since 08:00 morning had WiFi on.. network Data of... and now 12:02 battery is now 90%. DId have play with config the Tasker Tool (Great app).
Tomorrow i will do the test again but then with Network Data on and WiFi off.

raiz said:
AdamG's Official Froyo HTC Sense might hold the key to this since it seems to give about 2 days battery performance with the original battery unlike any other rom.
Click to expand...
Click to collapse
Yup, that ROM has the best battery life by far...
Sent from my HTC Desire using XDA App

people are having mixed results on the battery perfermance of adam's sensefroyo rom. i experienced a poorer battery life compared to eclair (i used Amer_v4 and the battery was excellent) but can still manage to last a full day usually. haven't tried out the froyo roms though.
ryanrich said:
Yup, that ROM has the best battery life by far...
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
btw aren't you're using opendesire?

I've changed about 8 roms, mostly used 4, but can't say there was a huge difference between them. 2 days of normal use, 1 day of heavy use.
Possibly shadowfrost and DeFrost 2.4 had the best battery life and I had the fastest kernel installed...
I would think that - some isolated problem aside - mostly it has to do with some applications/settings

Charge to 100% , go to recovery , advanced , wipe battery stats. Enjoy greater baterry life
Sent from my HTC Desire using Tapatalk
Click to expand...
Click to collapse
Any ideea why?
Sent from my HTC Desire using XDA App

andycted said:
I've changed about 8 roms, mostly used 4, but can't say there was a huge difference between them. 2 days of normal use, 1 day of heavy use.
Possibly shadowfrost and DeFrost 2.4 had the best battery life and I had the fastest kernel installed...
I would think that - some isolated problem aside - mostly it has to do with some applications/settings
Click to expand...
Click to collapse
sometimes my E-Mail application is consuming most of the cpu. It keeps the cpu at max frequency. Even if i try to end the taks with the app "system panel" it wont solve the problem. I have to go into the app and make a manual sync.
i also found out that automatic brightness is using loads of battery. since i set it to static I'm experiencing almost 2 days of battery life with moderate use.
I'm on Defrost 2.1

Hello again everybody,
Yesterday whole day online by WiFi. Using phone couple of hours and my Maildroid Email was active without prevent sleep mode.
Battery was empty after almost 17hours. (+/- 5% every hour)
Today. Wifi on. Maildroid now with prevent sleep mode ON.
Have unplugged the phone 4 hours ago and battery is at 75%
Tomorrow i will test this with Network Data on.. and without prevent sleep mode of Maildroid. And day after with prevent sleep mode.
I know for sure.. the battery will drain very vast for both situations...
BUT Ill let you know
EDIT 26-07-2010: Battery was empty tonight on 1:30.
NOW I do the whole test again but now with network data on and WiFi off

Ive had the opportunity to own a Nexus One at launch and a HTC Desire...I always found Android OS to be the issue whenever i had excessive battery drain.
Ive found my issue to center around the OS 'calling home to sync' (whether 'sync' option is selected or not)Initially, the problem was resolved by deleting all my sync funtions...but that was obviously not practical........ so now I keep my GSM data connection running and I get about 2.5 days on Open Desire (non HTC Sense).
AdamG seems like the guy who knows what hes talking about - His changelogs for OpenDesire actually hint at him having done some battery drain tweaking...whatever he did, he has definitely fixed it
Cheers
Oz

I've tried so many ROMS in the past few weeks to try to solve battery drain issues. On some, I could almost see the percentage dropping as I looked at the home screen! I even bought a new battery thinking I might have killed the original.
OpenDesire does seem to be the way forward re this problem if you're intent on the HAVS kernel. OD2.3a gave me almost two days of varied use.
However, and I know this is going backwards, an earlier DeFrost - the 2.1, is brilliant for me. I'm now at two days since unplug and still at an unbelievable 45% - yes, I know, I thought it was broke as well! For now, I'm sticking with this one. Everything I want works and I don't have to carry a spare battery in my pocket when I go out.
Hope this is of some help. Don't despair. You will find the one for you.
Cheers

I don't get why everyone says they have such a issue with battery.
I get about 2.5-4 days of use with DeFrost 2.2 and have done about so since DeFrost 0.9. I've had it up around five days once.
How are you actually using your phones?
It's not a "Froyo" issue.

sckc23 said:
people are having mixed results on the battery perfermance of adam's sensefroyo rom. i experienced a poorer battery life compared to eclair (i used Amer_v4 and the battery was excellent) but can still manage to last a full day usually. haven't tried out the froyo roms though.
btw aren't you're using opendesire?
Click to expand...
Click to collapse
Switched back because I had terrible battery life on OD 2.3a and couldn't see why...
Sent from my HTC Desire using XDA App

Daelyn said:
I don't get why everyone says they have such a issue with battery.
I get about 2.5-4 days of use with DeFrost 2.2 and have done about so since DeFrost 0.9. I've had it up around five days once.
How are you actually using your phones?
It's not a "Froyo" issue.
Click to expand...
Click to collapse
It's very interesting to me how are YOU using your phone?
Come on, 4 days ? When i talk about 30m to 1h each day and using a phone little bit, i have at least 30-40% down.
u mean u only drain about 25% each day? are u actually using your phone ? wifi, calls, 3g ? or u have a expensive pocket toy just to show to your friends ?

[VOTE] OpenDesire Vs DeFroST (Best Battery Life Thread)

Place your vote's of which ROM has the best battery life for your phone.

Good thread! I'm very intrested to see wich ROM has the better battery life!

Isn't this a bit pointless as they are basically very similar roms.

buchman said:
Isn't this a bit pointless as they are basically very similar roms.
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Click to collapse
As far as I know - DeFroST is based on OD. So nothing to compare or vote here.

techtex said:
As far as I know - DeFroST is based on OD. So nothing to compare or vote here.
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Click to collapse
Not entirely the same. And both on different kernels also.
Sent from my HTC Desire using XDA App

I had very bad surprises with both roms.
But I think the real problem are some apps.
Camera360 for example kills your battery in 2 hours.
So I don't vote

techtex said:
As far as I know - DeFroST is based on OD. So nothing to compare or vote here.
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Click to collapse
Defrost is completely build from source with cyanogenmod packages and framework. Kernel is different also (no overvolt [email protected]). Look at my github: http://github.com/richardtrip/

richardtrip said:
Defrost is completely build from source with cyanogenmod packages and framework. Kernel is different also (no overvolt [email protected]). Look at my github: http://github.com/richardtrip/
Click to expand...
Click to collapse
Thank you Richard. So there will be different battery life between the 2 ROM's. People need to stop saying that DeFroST is a total rip from OpenDesire.
Sent from my HTC Desire using XDA App

I agree.
There WAS a time when OD and DF is almost similar inside out but as of lately both ROMs are very much different.
But on the question of which had better battery life my vote goes to DF. OD seems to be unstable lately and has turned out to be more experimental then stable (e.g implementation of multitouch droid keyboard, switching to HTC keyboard and now infusing elements from Galaxy S). I had more better power drain on DF and CM6.

Cor, this all seems familiar.
Anyway, instead of polls which to be frank are worthless in this regard, has anyone actually done any measured testing between battery lives of different versions of different ROMs? That might actually be useful and interesting.

Nordo said:
I had very bad surprises with both roms.
But I think the real problem are some apps.
Camera360 for example kills your battery in 2 hours.
So I don't vote
Click to expand...
Click to collapse
how can an app which only runs when you open it explicitly drain the battery in 2 hours (unless you sit there with the camera on for 2 hours)

I've very bad experience with OpenDesire battery... I can't say the same about DeFrost, wich has a good battery life

gio.desire said:
I've very bad experience with OpenDesire battery... I can't say the same about DeFrost, wich has a good battery life
Click to expand...
Click to collapse
I was once with OpenDesire a few days ago and don't consider going back because one night i had 59% battery charge and woke up the next morning finding that it's dead.
Going back to DefroST and running my same old apps that i previously had on OD works just fine. With my phone with plenty of charge the next morning

i think this thread would be more useful if people would give their specific experiences with the roms they use the most, as i'm sure there are quite a number of people that haven't tried one or the other long enough to give substantial feedback. i think people should include:
which version of the rom(s) they tested/used
what kind of battery life they experienced and with what type of usage (i know it's subjective and everyone gets different results, but it's better than just voting for the rom you used and saying it's the best)
length of time that was allowed to test (there have been occasions where rebooting or going through a complete charging cycle have yielded better battery life. so it should be noted if people only allowed the rom they tested to be on their phone for maybe 20% or whatever, or a couple of hours)
and any other information people think might help/be useful to others
also what radio people are running would be very useful as well

This is a development forum.
I think that this type of thread are useless, since battery life is too "personal" to sort with a silly poll.
Battery life is meant to be professionally tested with some program, with the same device. One can have faulty battery, another one can have a non calibrated battery, another one a new battery.
My two cents.
Sent from my HTC Desire using XDA App

I tried DeFrost just for a while to see Quadrant score. So I can't say something certain about it's battery life. But OpenDesire I'm using rigt now has great battery life. I mentioned that today in OD thread also. With normal use(Web, lots of messaging, GPS etc. 768 mhz cpu speed (it does 1300 Quadrant score with that speed) and 2G mobile network) I've used it for 70 hours. Really impressive I think.

thefunkygibbon said:
how can an app which only runs when you open it explicitly drain the battery in 2 hours (unless you sit there with the camera on for 2 hours)
Click to expand...
Click to collapse
If you don't leave the app with the back button, it runs further in the background-

Please Mods, close this thread.
f.

forelli said:
Please Mods, close this thread.
f.
Click to expand...
Click to collapse
For what reason?

soooo many different aspects to battery life that just asking randomly to 'vote' is indeed not helping too much.
I won't say it as blunt as 'please close this thread' but really helpful it's not.
For example, what if - eehhhhm, let's pick Defrost - DeFrost comes out as 75% voting to have better battery life. A new user comes in, sees DeFrost as better, and picks that one. His battery drains within an hour, and he is thinking "WTF?!? insert random roob rage stuff here WTF!?!?!"
This happens all the time. Battery usage users are _so_ different based on usage, network provider, location and apps used / installed that the ROM really doesn't have much influence.
Only if there is a real 'bug' it's noticeable, and the dev's are quickly on it then.

[Q] G2 battery and wifi problems...

So yesterday I rooted and flashed my G2 with Virtuous G-Lite and it works great. Much more responsive and snappy...
However I was told that this is the best ROM to use for a longer battery life but the battery seems to drain just as much or more than before...
Battery monitor says display is using most of the battery, but even during times of standby the battery seems to drain.
Is there anything I can do to figure out where all my battery is going? I just got the phone 3 days ago from a warranty exchange with a new battery so I doubt it's the battery itself.
Also, sometimes the wifi reception is really poor despite being right next to my router and it was also not bad before I changed to g-lite. is there anything I can do to help wifi reception? My browser seems to have a hard time loading web pages fully but I think it's due to the instability of the wifi signal, although if there is a known problem with the browser on g-lite...i'm just not sure.
If there is a specific app that is killing my battery how would I find out which one it is? Gmail is the only thing that I have auto-syncing to the best of my knowledge. are there other common offenders that might be doing me in?
Any help greatly appreciated!

Ive heard glite 1.0.3 drains battery loads. 1.0.2 has been known for great battery though. Try that.
Sent from my HTC Vision using XDA App

xT4Z1N4TRx said:
Ive heard glite 1.0.3 drains battery loads. 1.0.2 has been known for great battery though. Try that.
Sent from my HTC Vision using XDA App
Click to expand...
Click to collapse
do I have to wipe to downgrade to 1.0.2? also, where would I get the old version. maybe i'm dumb but I've only been able to find downloads to the most recent version...

ROM with the best battery life?

Does anyone have any recommendations on what the ROM is the best for battery life? The rom I heard that had the best was g-lite from virtuous, but it hasn't been working out for me. I mostly text and only get max 9 hours out of it.

Afternoon,
If you look in the forum that topic has been discuss several time as to what ROM is better for battery life. You'll see several responses. It comes down to personal preference.

Snipe175 said:
Does anyone have any recommendations on what the ROM is the best for battery life? The rom I heard that had the best was g-lite from virtuous, but it hasn't been working out for me. I mostly text and only get max 9 hours out of it.
Click to expand...
Click to collapse
This topic has been talked about many many times before... but i would say that virtuous g-lite has one of the best battery life out of all the roms, although it comes down to user experience

Snipe175 said:
Does anyone have any recommendations on what the ROM is the best for battery life? The rom I heard that had the best was g-lite from virtuous, but it hasn't been working out for me. I mostly text and only get max 9 hours out of it.
Click to expand...
Click to collapse
has been asked 100000+ times. Its not necessarily the specific ROM, but how you use it and what features you choose to leave out in order to extend life.
No matter what ROM you use, there are probably UV and under-clocked kernels, which can help battery life. Also, doing things like turning off 3G/4G data when you're not using it, turning down brightness, and turning off GPS/BT/WiFi when not in use, reducing gmail/twitter/facebook/g+ sync, etc. etc. etc. will all help.

im having the best with bulletproof....went 2.5 days with light usage

i've tried CM7, MIUI, Virtuous Unity and Virtuous G-Lite and out of those G-Lite is the definite winner and is the one I've stuck with...

Belvadier said:
i've tried CM7, MIUI, Virtuous Unity and Virtuous G-Lite and out of those G-Lite is the definite winner and is the one I've stuck with...
Click to expand...
Click to collapse
i might have to give it another chance

definitely not MIUI ! as for me CM7.1 was the best with 2 day while MIUI is only 1 day with a lot of SMS and few data

I can usually get about a day and a half out of glite with wifi on and screen at 60% brightness. Definitely over 2 days if you turn on juice defender...
Sent from my T-Mobile G2 using XDA Premium App

martonikaj said:
has been asked 100000+ times. Its not necessarily the specific ROM, but how you use it and what features you choose to leave out in order to extend life.
No matter what ROM you use, there are probably UV and under-clocked kernels, which can help battery life. Also, doing things like turning off 3G/4G data when you're not using it, turning down brightness, and turning off GPS/BT/WiFi when not in use, reducing gmail/twitter/facebook/g+ sync, etc. etc. etc. will all help.
Click to expand...
Click to collapse
Agree. There's so many variables, and ROM might not even be the most important factor. For instance, what radio are you using, is it RIL matched to the ROM, and is it the best radio for your local area?
People complain about Sense ROMs draining battery. But I'm on Unity (with the radio recommended in the Unity thread, also in my sig), and get over 2 days with fairly light usage.

It may not be all about the rom but i can say that I am using the stock radio that came with my G2 for all of the roms I have tried and there is a definite difference in the battery life between them. MIUI was definitely the worst for me, then unity and cm7 and the best has been glite. I haven't changed anything beyond the rom. Usage across all of them was fairly consistent.
Really unity and cm7 were pretty good. But MIUI was very noticeably worse. And glite has been noticeably better.
Whether I am right or wrong, that has been my experience.
Sent from my T-Mobile G2 using XDA Premium App

A bit off topic, but consider using Juice defender as an alternative. It turns off your internet while you're phone's screen is locked. For my personal uses, it would work great, but I just manually leave my internet off until I need it. I hate having less than 50% battery life at any time. ( I carry about 3 spare batteries just in case I feel the use to play PSX)

Yeah juice defender does do a pretty fantastic job of saving battery while being the least amount of intrusive as possible. That being said, even though it does turn on mobile data pretty fast upon waking up the screen, it still is a few seconds before the connection is reestablished. also, even if you have it set to turn on data for 1 minute every 15 minutes (or whatever you set it to) it is still preventing instant updates to emails and such.
For that reason I only use juice defender when i know I am going to be away from my charger for a long while since it is only the slightest bit inconvenient. It does really cut down on battery use though.
I don't think i have used JD since i switched to glite however since as long as my battery lasts a full day (it does) then i am always able to plug my phone in before I go to sleep.
Sent from my T-Mobile G2 using XDA Premium App

[Q] Cyanogenmod 10 battery life on normal usage.

Hi guys,
I recently switched to CM 10 (Android 4.1.2) and the battery life is significantly lower than what I had on the stock ROM and the new Sense UI... I guess.
My phone won't run longer than 10-15 hours a day with normal usage, which means Wi-fi and 3G always on, screen on automatic brightness being used for about 1 hour in total (for one charge). However Android OS, Cell Standby and Phone Idle still account for the most battery usage, which I find weird. I have no wakelocks and my device goes to deep sleep when not used.
Is this normal behavior with the new Cyanogenmod and Jellybean or are my expectations too high? I already read most threads concerning battery life, but most of them discuss problems such as wakelocks or similar issues. My question relates to the normal behavior of CM 10.
I am grateful for all replies on the matter or personal experiences.

It's known that CM10 battery life is worse than stock JB. You can try different kernels and different governors, but it's a trade-off between life and performance.

BenPope said:
It's known that CM10 battery life is worse than stock JB. You can try different kernels and different governors, but it's a trade-off between life and performance.
Click to expand...
Click to collapse
I don't understand, I thought that CM is stripped out of unnecessary background processes and apps. As long as I'm not using any CPU or GPU intensive apps like games it should consume less battery than the stock ROM. Is there something I'm missing?

Maybe the updated kernel and drivers give better power effeciency. When the JB kernel source is released, hopefully CM10 and other AOSP ROMs will also improve.

You were saying about on screen time?
Sent from my faster than SGS3 HOX.

CM 10 really uses a lot of battery but of you could switch off wifi and 3g when not using, and clearing all the apps frequently in the recent menu may help... My battery then lasts from about the start of the day till night though the batterys now quite old.
Sent from my NexusHD2 using xda premium

i got a weird battery life yesterday, i was walking from work to home, i started watching videos on youtube, looked at the battery, 31%, after few videos looked again, still 31%, i walked 41 mins with a total of 9% of battery drain, i also played a game for about 25 mins, it was a really battery life.

BenPope said:
Maybe the updated kernel and drivers give better power effeciency. When the JB kernel source is released, hopefully CM10 and other AOSP ROMs will also improve.
Click to expand...
Click to collapse
Allright... just gonna have to play the waiting game.
XxVcVxX said:
You were saying about on screen time?
Sent from my faster than SGS3 HOX.
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Click to collapse
That... is not possible! How the hell did you achieve that?
Mansehej said:
CM 10 really uses a lot of battery but of you could switch off wifi and 3g when not using, and clearing all the apps frequently in the recent menu may help... My battery then lasts from about the start of the day till night though the batterys now quite old.
Sent from my NexusHD2 using xda premium
Click to expand...
Click to collapse
That's pretty much my battery life as well. Regarding age, I'm really concerned, as I'm not able to open the phone and just replace it. But I guess that much better smartphones will come along before I consider getting a new battery and it won't be worth it any more.
hopeless12 said:
i got a weird battery life yesterday, i was walking from work to home, i started watching videos on youtube, looked at the battery, 31%, after few videos looked again, still 31%, i walked 41 mins with a total of 9% of battery drain, i also played a game for about 25 mins, it was a really battery life.
Click to expand...
Click to collapse
I get that sometimes as well. I pick up the phone a couple of times and the battery is always at, say, 50%. Then, a couple of hours later I read a message and it suddenly jumps to 41 or lower. But from what I've read that's normal and no cause of concern.

XxVcVxX said:
You were saying about on screen time?
Sent from my faster than SGS3 HOX.
Click to expand...
Click to collapse
I heard what causes the CM10 to have such an awful battery life is something that was supposed to save power when you lock your phone [Which is normally quiet often] and actually causes it to depelt, so it obvoiusly doesn't affect screen time
CM10 is a horrible ROM, get something else... I used LiquidSmooth for a while, it's a great ROM
Now running ParanoidAndroid 2.53
Btw, Stock ROM had a wonderful battery life, I only realize that now ... lots of ROMs can't reach that much

SrebX said:
I heard what causes the CM10 to have such an awful battery life is something that was supposed to save power when you lock your phone [Which is normally quiet often] and actually causes it to depelt, so it obvoiusly doesn't affect screen time
CM10 is a horrible ROM, get something else... I used LiquidSmooth for a while, it's a great ROM
Now running ParanoidAndroid 2.53
Btw, Stock ROM had a wonderful battery life, I only realize that now ... lots of ROMs can't reach that much
Click to expand...
Click to collapse
That's exactly what I did, flashed the old RUU and installed all updates. I don't know how the guys from HTC managed to do it, but the battery life on Android 4.1.1 and Sense 4+ is AMAZING. I easily get 24 hours with normal usage, over 2 days if I'm really careful.

This is what I got during a night sleep with cm 10.
I installed it yesterday so its kinda new tot me. What causes this?
Sent from my HTC One X using xda app-developers app

Probably some nasty wakelocks. Install with wipe/factory reset if you didn't so already. Then try betterbatterystats (search xda) to find out what is causing wakelocks.