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[Q] What are the best ROMS for battery life?

Which roms are the best for improving battery life, which is my main challenge and issue with this device, as I am finding pretty much everything else great?

I don't want to sound harsh but what is the point of these threads?
People use phones in different ways. I use mine only to make calls and send txt msges and my battery lasts 2-3 days without a single charge, on froyo, gb, faux rom and miui
while for others who constantly browse web with 4g or play games expect the device to last a week without a charge...
oh well
/end rant

I think any stock speed kernal will save battery if you put brightness on auto
Sent from my LG-P999 using Tapatalk

besthijacker said:
I don't want to sound harsh but what is the point of these threads?
People use phones in different ways. I use mine only to make calls and send txt msges and my battery lasts 2-3 days without a single charge, on froyo, gb, faux rom and miui
while for others who constantly browse web with 4g or play games expect the device to last a week without a charge...
oh well
/end rant
Click to expand...
Click to collapse
Why do you have a smartphone then?
Sent from my LG-P999 using XDA App

All of the 2.3.3 ROM
Sent From My G2x Running Weapon

moshe22 said:
All of the 2.3.3 ROM
Sent From My G2x Running Weapon
Click to expand...
Click to collapse
EaglesBlood 2.3.3 , Xboarder's Stock Tweaked, and Weapon G2x all give me much better battery life than the stock 2.3.3 OTA did.

XBoarders tweaked ROM has breathed new life into my battery life. I was remarking yesterday that I got 16+ hours and was still above 60% at the end of the day.

I've been on CM7 - Nightly 99 and the battery life has been fantastic. Was at 45% left last night after 17 hours off charge.
This was moderate use, with WiFi / WiFi calling on for about 60% of the day (which obviously helps).
Everything (mostly) keeps getting better with this phone.

I prefer EaglesBlood 2.3.3 OTA ROM. It's very stable, and if you use SetCPU, you can easily get through an entire day with it. I lasted 10 hours with moderate to heavy usage, and that's really good for me.

i had the best battery life with Ultimate ROM and faux kernel.
im on CM7(101) with Fauxs Stock voltage Kernel with set cpu at 389/389 on screen off and i get 8+ hours using the phone all day on "4G" web and a lot of texting. i calibrate the battery every time i do a nightly update. once you go CM7 you wont go back to anything else ill tell you that much

Definitive best kernel/rom combo for battery? NS4g

I use my ns4g pretty heavily so I need a rom and kernel optimized for battery life. I'm looking for 3+ hours screen on time, something the ics roms/kernels I've had havent quite delivered. i dont wanna downgrade to gb, but I'd like to find a good combo of battery life and stability...

TheMachoMidget said:
I use my ns4g pretty heavily so I need a rom and kernel optimized for battery life. I'm looking for 3+ hours screen on time, something the ics roms/kernels I've had havent quite delivered. i dont wanna downgrade to gb, but I'd like to find a good combo of battery life and stability...
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Click to collapse
try this ics kernel, http://goo.gl/QAuKi its Trinity TEUV(TEI6S). its undervolted, underclocked at 880mhz, and its bus/gpu is overclocked 10% at 220mhz. its fast and great on battery. i use it with cm9, but it should be good with any ics rom

You don't even know lol ive tried and tested that decent battery but I can't live without the mods... solid performance tho
Sent from my Nexus S 4G using xda premium

With all the mods, they r all good as well (icup speedy, matr1x, sg-uv etc.). The new franco.kernel is released and it runs very nice. It doesn't have mods yet but the battery life and performance are super. Also like simms said, the barebones trinity kernels are the best in battery life.
I'm running NexusBeam with franco's latest and I got like 25 hours of battery after average use.
Beamed from my Nexus S using XDA app

simms22 said:
try this ics kernel, http://goo.gl/QAuKi its Trinity TEUV(TEI6S). its undervolted, underclocked at 880mhz, and its bus/gpu is overclocked 10% at 220mhz. its fast and great on battery. i use it with cm9, but it should be good with any ics rom
Click to expand...
Click to collapse
TEUV All the way for battery performance

Matr1x v15.0 is out, has all the features and is undervolted.
I get 20-25 hours out of battery with around 4-5 hours screen on time.

Do you think using running CyberGR-MOD|NS.NGN ICS with Matr1x 14.5CFS, i could get decent battery life? i'm asking cuz i want to install ROM on Gf's phone, she still running CM7 from when i did last time, but i don't want to put a rom that lacks features. i want one feature rich that will not suck on battery life

I can't get over 2 hours screen on time MAX at all anymore. I'm running Peter Alfonso's Bugless Beast GB with GlaDOS 1.12 kernel undervolted to 880 MHz and 20% screen brightness. Even with a new Battery and a full wipe and clean install I still get terrible battery life. Anybody have any ideas? I'm dying here. Is my phone broken?

How is the battery life of 4.0.4 Official AT&T version?

Can anyone comment on the battery life on the Official AT&T 4.0.4? Battery life is one of the most important necessity of mine. Right now I am on SKY ICS 4.2E with the nexus extended battery and I can go with a full charge from morning 8:00 a.m to 7:00 p.m with moderate usage. The ICS leaks were horrible, so that to back to stock GB. Tried Sky ICS 4.2F but 4.2E was smoother so went back and sticking to Sky ICS 4.2E.
If this official release is too bad on the battery life like the leaks, I am gonna skip and stay on Sky ICS 4.2E for a while.

aviseqdas said:
Can anyone comment on the battery life on the Official AT&T 4.0.4? Battery life is one of the most important necessity of mine. Right now I am on SKY ICS 4.2E with the nexus extended battery and I can go with a full charge from morning 8:00 a.m to 7:00 p.m with moderate usage. The ICS leaks were horrible, so that to back to stock GB. Tried Sky ICS 4.2F but 4.2E was smoother so went back and sticking to Sky ICS 4.2E.
If this official release is too bad on the battery life like the leaks, I am gonna skip and stay on Sky ICS 4.2E for a while.
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Click to collapse
If you're worried about battery life I would stick with SkyICS. You can wait a while till sean works on the ROM a little bit more but hes been working hard to get the tweaks with the latest ICS.
http://forum.xda-developers.com/showthread.php?t=1763195
Check that frequently for more updates. :good:

two days on att ics, fully stock non-rooted... yada yada. day 1 was great got 11 hours with moderate to heavy use (mostly internet, set up, download apps). day 2 sucked, only got about 7 hours of use .... slight to moderate use (some internet, fb, 10 mins of map with gps).
i'm hoping day 2 was a fluke.
Sent from my SAMSUNG-SGH-I727 using xda premium

I'm impressed with it. I got a solid 12 hours of usage out of it. Playing tunes, texting frequently, downloading apps and what not... Keep in mind, I'm not on an LTE and as such I have it disabled. I've heard it can wreak havoc on battery life.
Can't give an accurate estimate for today, as it was plugged in and floating around 30-50%... But it seems better than GB to me.

What about your screen on time?

Yeah... battery life has been bad for me since I switched from skyics Rodgers edition to att official skyics release. Tried reflashing the rom a couple times but the problem remains. Just gotta wait around now for a solution.
Sent from my SAMSUNG-SGH-I727 using xda premium

I'm getting around 16 hours with 3-3.5 hours screen on time. I haven't been playing any graphics intensive games.
Sent from my SAMSUNG-SGH-I727 using xda premium

No complaints. Its not really that bad.
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

The battery life of the official ICS was definitely better than 2.3, that being said I have moved on to SkyICS, and it's simply fantastic, even with the stock kernel

For me, it's excellent on wifi. On 4G, it's decent. I can go about 10 hours with moderate use and system power saving settings on.
Sent from my SAMSUNG-SGH-I727 using xda premium

Battery life
My wife and I have the same phone her's is white(stock) mine is black (rooted and using stock rom bloatware is frozen ). I am getting better hours of use with some Words with friends a few calls and a few txt message. I can go day and half before I charge. Wife has to charge nightly and she uses her phone less then I do. I am rooting her phone tonight after work. Both have upgraded to ICS.

My wife has my old Skyrocket now that I have the GSIII..She came from a Cappy to the iPhone to the Skyrocket and she swears by the battery life on her phone and she LIVES on her damn phone...(I do too, I'll admit). She claims it's even better with the firmware upgrade, stock & unrooted..

Stock rooted rogers, with heavy use, I've got a dismal 4-5 hours! But that's scree on & browsing... Good thing I'm close to a charger.......
Sent from, The Eclectic Chair.

12 hours! battery @ 78% didn't use the phone much since 5 am. Made a couple of phone calls, surfed play store... not much

i didnt like the battery life on the official build so i am using skyics 4.2f6 now with better battery life! Seanzscreams is the best developer for the skyrocket love his work.

for those of you who were like me and had horrible battery life on any of the ICS roms including Sky, i have found a solution i have tested this on 2 roms so far the first being my Daily Driver CM9 Nightlies, and stock ics. i found that for some reason when my phones screen turned off my phone would not go into sleep mode, the fix for me was to run SetCPU app, which i did pay for, and create 1 profile, for screen off, and just change the the cpu max and min speeds to max 540 and min, 192, i found that will keep your notifications coming without any lag, and when you wake the screen it will not be laggy as well. I'm Currently at 13 hours and my battery is at 79% and i played with the market, and surfed the web some, obviously texted a few time as well. https://play.google.com/store/apps/details?id=com.mhuang.overclocking&feature=search_result#?t=W251bGwsMSwyLDEsImNvbS5taHVhbmcub3ZlcmNsb2NraW5nIl0.

it is worse than 2.3.6. now after just over one hour heavy use, down to 63%
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Pure bone stock phone here (for now), battery life has been pretty good IMO (compared to my Captivate). The other day I was down to ~72% after >15hrs of light use.
As always, YMMV. My theory is that it depends on the apps you have installed, and what version they are. I would get updates to some apps and my battery life would suddenly be different after the update (sometimes better, sometimes worse.)

My gfs on stock has dropped by about 50%. Lte in sf.
Sent from my SCH-I510 using xda app-developers app

I went from rooted running every from imaginable and now I'm stock battery life on the ics uptade is much improved from gb it almost feels like a rom check it out...
Granted this is light usage but still great for a stock bloated phone
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

[Q] What's currently the most stable mod of ICS?

I haven't made the jump to ICS yet.What's currently the most stable mod of ICS? I also want to be able to get good battery life.

g2xfan said:
I haven't made the jump to ICS yet.What's currently the most stable mod of ICS? I also want to be able to get good battery life.
Click to expand...
Click to collapse
Most stable ICS is probably CM10 hackfest JB or tonyp's new paranoid android cm10/jb/ics hybrid deal...you're not going to get the most reliable battery life from either. If you want rock solid...stick to GB for now.

Yup the hackfest has been the smoothest for me from all the ICS ROMs. The only bad thing is battery life but just install battery saver app to turn off WiFi when phone is asleep
Sent from my LG-P999 using xda app-developers app

you can try
[ROM][ICS 4.0.4]Genesis - Stable Build1 - CM9/AOKP Hybrid - The Return....
I flashed that a week ago and I have no regrets
I have had no lag, no freezes, and my battery life has been superb after flashing this ROM.
Give it a try

My battery does not even last for 8 hours with ICS roms even if I turn on juicedefender.

idropkickyou said:
My battery does not even last for 8 hours with ICS roms even if I turn on juicedefender.
Click to expand...
Click to collapse
Under what sort of conditions though? I'm running cm10 hackfest in a mission critical situation far as work goes with heavy phone calling/google searching with some texting/facebook/browsing/music playing thrown in here and there and getting ~10-12 hours out of my out the door full charge most days...I'm not running any secondary mojo apps...just run through my day with wifi off...could be your battery getting a bit of age on it perhaps.

Well, It depends on your phone. My phone completely craps on out Hellfire ICS and Eaglesblood (SOD). It was good with Owain's Genesis Rom, But the best roms for my phone were TonyP's Paranoid Android Builds. On the CM9 PA I never had a crash or SOD and it was relatively fast. CM10 PA Is just super fast and stable.. My current favourite rom would be PA CM10 by TonyP. Give them all a shot and see what works best for you.

shahharsh2010 said:
you can try
[ROM][ICS 4.0.4]Genesis - Stable Build1 - CM9/AOKP Hybrid - The Return....
I flashed that a week ago and I have no regrets
I have had no lag, no freezes, and my battery life has been superb after flashing this ROM.
Give it a try
Click to expand...
Click to collapse
What kernel are you using?
I wouldn't say superb for my case with harsh's UV/oc. Then again I am a heavy user the past three days I have had it installed.
Sent from my LG-P999 using xda app-developers app

I am using Harsh NO-OC 0208 kernel
I am not really that heavy user. my battery lasts about 2-3 days with wifi and auto sync on full time
I have my Mobile Network set to use only 2G and I check E-mails / google voice messages maybe 3-4 times a hour,
and Play music for about 2 hours a day

Battery life with Liquidsmooth 2.3 Official...

So lately I've been working late and I am allowed to use my phone to listen to music at work. On days that I work late, I am forced to bring my phone charger to work because it doesn't last me all day, not even close. According to my battery page in settings, I've had a screen time of only 40 minutes today, and listened to roughly only 20 minutes of music with a few short texts sent here and there and I'm already down to 74% battery life. I am running the most recent official Liquidsmooth (2.3 release) and have my brightness turned way down, and the CPU turned down to a max of 1124Mhz. I am also running the kernel that comes with the ROM, which I'm almost positive is LeanKernel.
Is it normal to be draining my battery this fast with not even an hour of screen time and barely using it? I even turn off data usage when I don't use my phone because I'm concerned about battery life. Is there anything I can do to improve battery life? I don't even touch the Voltage Settings and Advanced Settings under the Performance section, because I don't want to touch anything I don't know what to do or what settings make the ROM unstable. Anyone who can suggest good settings for more stable battery life, even if it sacrifices performance would be a huge help too! Thank you in advanced
Sent from my Samsung SCH-I535 running Liquidsmooth 4.2.2

Hear hear. Great rom but something is burning my battery in this rom.

I agree! I love it, I've tried so many ones and this is the only one I've been completely satisfied with basically every aspect! Except the only thing I can complain about is the battery life. Anyone have any suggestions?! I'm already down to 55% battery now
Sent from my Samsung SCH-I535 running Liquidsmooth 4.2.2

Same here. I'm only getting about 10-12 hours of battery life. Read some suggestion about using the KT747 kernel but not sure which download to use. Touchwiz 4.1.2, AOSP Jellybean 4.2 Linux 3.0, AOSP Jellybean 4.2 Linux 3.2?
~One confused noob.

pestalilla said:
Same here. I'm only getting about 10-12 hours of battery life. Read some suggestion about using the KT747 kernel but not sure which download to use. Touchwiz 4.1.2, AOSP Jellybean 4.2 Linux 3.0, AOSP Jellybean 4.2 Linux 3.2?
~One confused noob.
Click to expand...
Click to collapse
The correct kernel is the AOSP 3.4 Linux version. That being said I just flashed that kernel with 2.2 last night and it seized up my phone. Nandroid now. So that was a bad night.

arathorn4 said:
The correct kernel is the AOSP 3.4 Linux version. That being said I just flashed that kernel with 2.2 last night and it seized up my phone. Nandroid now. So that was a bad night.
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Click to collapse
Thanks! I downloaded and flashed it. No problems here. Just need to find the correct tweaks for better battery life.

Let me know what you find. I'm still on the stock lean kernel for LS

I'm curious as well what these battery tweaks are. I installed liquidsmooth 2.4 over the weekend and have since moved back to my rooted stock primarily because of battery drain. I really like the aosp interface but can't afford to have it rape my battery. I was getting like 6 Hrs only on a charge. With my stock rooted rom I get about 19 Hrs on a full charge.

I am using liquidsmooth 2.4 and have been going for 17hrs today still got 20% left. I have the lean kernel that it flashes with and never had battery issues.
Sent from my SCH-I535 using xda premium

bbqsfire said:
I am using liquidsmooth 2.4 and have been going for 17hrs today still got 20% left. I have the lean kernel that it flashes with and never had battery issues.
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
Wow that's impressive. Did you do a clean install of the rom or did you do a upgrade from a previous version? Did you have do any post install tweaks other than the usual (settting screen brightness to low and etc)?

Mayimbe007 said:
Wow that's impressive. Did you do a clean install of the rom or did you do a upgrade from a previous version? Did you have do any post install tweaks other than the usual (settting screen brightness to low and etc)?
Click to expand...
Click to collapse
Clean install of the rom. I actually came from hyper drive. No other tweaks done. I leave anything off that I am not using. Don't leave nfc or bluetooth on. Don't use sync for very much.
Sent from my SCH-I535 using xda premium

Today I took it off charge at 6 and I have used 92 minutes of talk time, 50 texts(kinda low), xda, email, Internet, YouTube, and some other forums and I still have 42 percent. Other than text messages I would say I have used the phone moderate to heavy.
Sent from my SCH-I535 using xda premium