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[Q]Battery Life on the current ROMS

Hey guys,
I've been wondering around for a while, and I've pretty much read every single FAQ and major ROM development threads...
But I was wondering if anybody found a "best" ROM for battery!
I've tried a few, and found that Cognition seems to drain the battery pretty quickly... Phoenix 4.5 seemed to last quite a while, but the new 5.2 seems to drain it quite quick now again!
I don't really care if my phone's slow in some parts, but I'd really like it if I could extend the battery even by a little bit... I work 8 hours a day, and my phone has no battery after I finish work (which seems extremely absurd).
I've also tried to do the battery hints and tips in: http://forum.xda-developers.com/showthread.php?t=806211 with no luck...
If anybody can give me a yell on the ROM they found which lasts the longest... It would be pretty awesome!
TIA!
P.S. Also, if somebody can just give me a quick run down on the difference between ROMs/Kernels/Modems? I'm just curious, and would like to know more!

Im using ParagonRC6.0 And Im getting great battery life and i use my phone alot. I get a day and half off a full charge with a lot of use. If i use it moderate then i can get 2 full days. Just let your battery recalibrate for a couple of days to improve battery life

Ive been on Cog4 (didnt change anything) and under normal use (maybe 1-2 phone calls a day, no more than 5 mins long, 15-30 txts, and iMobster stuff) i get around 24-36 hours. Overnite while sleeping (7-8 hours) i lose about 5-10%.
While on Serendipity 5.7 (with suckerpunch kernel and jk4 modem) i get 20-30hours. And overnite i lose 10-15%.

Precision 3.5 gave me the best battery life I have ever had. I was able to go over 25 hours on a single charge with heavy use nearly all day.
Edit: I haven't used Torch yet for a full day, but I will be testing the single charge on this ROM as well and posting my results once my Captivate get's to a about %5 battery.

The ROMs that have best battery life are precision 3.5 or Merx rom (which is based off Precision)...the slim ROMs usually run very low memory which is a lot less stressful on your battery...Right now I'm running Supernova 2.3 and I can go 12-15 hours before my battery is completely dead and I'm a moderate to heavy user (facebook, XDA, youtube, etc.)

Thanks a lot guys, I'll try Paragon first... And also Precision! So many ROMs to try :3
Does Kernels/Modems do anything for battery life? I have no idea how these work though... If someone can explain it, that'd be rad!

venomio said:
Thanks a lot guys, I'll try Paragon first... And also Precision! So many ROMs to try :3
Does Kernels/Modems do anything for battery life? I have no idea how these work though... If someone can explain it, that'd be rad!
Click to expand...
Click to collapse
If anything, I believe that the kernel and modem are the most important aspect of battery life. I wouldn't know too much about it, so maybe someone else can elaborate.

Problem with OB batterylife.

Hi.
I have huge problem with my OB batterylife , my phone discharged in time about 5/6h , but in this time i dont use him. I dont know , it`s problem with battery or phone maybe?My OB have android 4.2.2 with zerogravity kernel. Today i unpluged him from charger at 9 o`clock and.. at 12o`clock he have only 50% battery..
Sorry for bad English.
Please Help me

LisekDH said:
Hi.
I have huge problem with my OB batterylife , my phone discharged in time about 5/6h , but in this time i dont use him. I dont know , it`s problem with battery or phone maybe?My OB have android 4.2.2 with zerogravity kernel. Today i unpluged him from charger at 9 o`clock and.. at 12o`clock he have only 50% battery..
Sorry for bad English.
Please Help me
Click to expand...
Click to collapse
If you are running a rooted OB, download "No-fills CPU Control" from the Play Store.
Set the governor to "interactive" or "performance", and the scheduler to "row" or "cfq".
Press "Apply", then exit.

LisekDH said:
I have huge problem with my OB batterylife , my phone discharged in time about 5/6h , but in this time i dont use him. I dont know , it`s problem with battery or phone maybe?My OB have android 4.2.2 with zerogravity kernel. Today i unpluged him from charger at 9 o`clock and.. at 12o`clock he have only 50% battery..
Click to expand...
Click to collapse
androcraze said:
If you are running a rooted OB, download "No-fills CPU Control" from the Play Store.
Set the governor to "interactive" or "performance", and the scheduler to "row" or "cfq".
Press "Apply", then exit.
Click to expand...
Click to collapse
He didn't say much (probably not enought to help him a lot) but at least he said that he uses a ZGK so in this case your reply is not completly right. Some (I think most) us OndemandX by default and that is already a good one, better than interactive. I think best might be LionHeard, but that might be different with each kernel and for sure how he uses it.
BTW 5/6h might be OK, at least for the first CM10.1 versions, I think even with the latest versions 9h is very good, especially if you do some gaming. So maybe don't look first at the governor, select the right ROM first. Maybe a newer version, a different one or maybe just CM10, I heard some of the newest ones are rather battery friendly.

check in Battery Usage if the phone have a wakelock, use BetterBatteryStat to find what is a wakelock.

I gonna try a official ICS rom , maybe this be helpful?

Of course. All CM10, CM10.1 roms are battery drainers!

hi,
i support the post above me, try IZS or Marvel roms, they have great battery life. i used them both and with friendly usage i get my phone running all day from 7 am when i disconnect it untill midnight and even more.
by friendly usage i mean : about 15 short calls, around 1 - 2 hrs of wifi, few small DL, texting a bit, around 1/2 of gaming.
this is what i get with the roms i mention above.
BTW dont forget if your OB is old enough, there might be a problem with the battery, since all batteries have limited charging cycles, depend on the batttery maker and so on... bla bla bla...(dang it reminds me to search for a battery in nearby shops here lol)

My OB have 5 months Hmm i use my OB only 4 texting about 150/170 ina day and music about 2-2.5h ina day. Now i use cm 10.1 and this is terrible.. with this batterylife. I thinking about ICS , i think it can be better than CM for now.

LisekDH said:
My OB have 5 months Hmm i use my OB only 4 texting about 150/170 ina day and music about 2-2.5h ina day. Now i use cm 10.1 and this is terrible.. with this batterylife. I thinking about ICS , i think it can be better than CM for now.
Click to expand...
Click to collapse
150 messages a day? and 2 hrs of music? dang bro you type a lot, so suerly when screen is on, you drain battery, and music also drain power,.
yesterday i travel for 6-7hrs which in that time i went out home with fully charged batt, used a bit of wifi and music for around 2 hrs and 2-3 short calls, the rest of the time the phone was idle. my batt went from 100% down to 58-60% in all of the travel hrs.
so my conclusion is that: be smart as you smart phone, and do compromises with usage in order to get great battery life. oh and its not so bad to have a charger or that handy battery pack that you can use to charge your phone from.
since im not a heavy phone user most of the day when im out at work, i manage to get up to 24 hrs of battery per day. but when i mess with my phone on travels or so, i get around 9 hrs of usage until i get to 45-50% with the Marvel and IZS roms.

Ok. Thanks dude. Im a student i typing so much But thanks a lot i try a IZS

[Q] Which rom gets you the best battery life?

Okay, let's face it, this phone doesn't have a great battery life. The most i ever managed to get out of this 1500mAh battery was 22 hours, more or less.
That was on the glorious cm11 haha
Anyways i'm rolling over all the roms since December and now i can't find one that gets me over 14 hours, that actually is really bad. My use is mainly whatsapp so i don't think i'm giving an hard time to my battery. I tried looots of apps and roms. I feel stupid haha.
So my question is, what rom and which settings gave you the best battery life and how much did it last?

twinsen17 said:
Okay, let's face it, this phone doesn't have a great battery life. The most i ever managed to get out of this 1500mAh battery was 22 hours, more or less.
That was on the glorious cm11 haha
Anyways i'm rolling over all the roms since December and now i can't find one that gets me over 14 hours, that actually is really bad. My use is mainly whatsapp so i don't think i'm giving an hard time to my battery. I tried looots of apps and roms. I feel stupid haha.
So my question is, what rom and which settings gave you the best battery life and how much did it last?
Click to expand...
Click to collapse
NovaFusion's Cyanogenmod 12 is best. But rom has bugs for now

twinsen17 said:
Okay, let's face it, this phone doesn't have a great battery life. The most i ever managed to get out of this 1500mAh battery was 22 hours, more or less.
That was on the glorious cm11 haha....
Click to expand...
Click to collapse
SlimKAT with nano gapps.

Tenshi_xp's pacs latest version has pretty good battery life.
There is no bad choises, only bad results.
SGS III Mini
tenshi_xp's PAC Rom RC-3
KitKat 4.4.4.

How long you take screen time ? i take about 3.5 hour
Sent from my GT-I8190 using XDA Free mobile app

Well for me, i tried almost all the popular custom roms for s3 mini and i found that dmodv6 gave me best battery. I could get around 3-4 hours screen on time. I tried cm 11 and cm 12 but battery life was horrible, i could only get 2 hours screen on time. I would recommend dmodv6 if you just want battery life. Im still trying to find a kitkat rom with good battery life but i just can't.

Question about battery life on custom roms.

Hey s3 mini users, i just want to ask a quick question about battery life. So recently i have tried many custom roms (CM11, CM12, vanirAOSP,Dmodv6 and alot more) but i have a problem with my battery life. Roms that are AOSP based like CM11 has horrible battery life (2h screen on time with 10% left). However if i used samsung stock rom based custom rom, the battery is a lot better, i get 3h+ screen on time with 20% left over. So my question is, is this normal for my phone to have bad battery life on AOSP roms?

Xeftyop said:
Hey s3 mini users, i just want to ask a quick question about battery life. So recently i have tried many custom roms (CM11, CM12, vanirAOSP,Dmodv6 and alot more) but i have a problem with my battery life. Roms that are AOSP based like CM11 has horrible battery life (2h screen on time with 10% left). However if i used samsung stock rom based custom rom, the battery is a lot better, i get 3h+ screen on time with 20% left over. So my question is, is this normal for my phone to have bad battery life on AOSP roms?
Click to expand...
Click to collapse
im on New Maclaws CM12 & get about 4h dcreen on time. if i do nothing with the phone the battery stays aboz 2-3 days.
also may u try greenify?

bejunk said:
im on New Maclaws CM12 & get about 4h dcreen on time. if i do nothing with the phone the battery stays aboz 2-3 days.
also may u try greenify?
Click to expand...
Click to collapse
wow, how do you get 4 hours screen on time? i used greenify b4 but doesnt do much.

Xeftyop said:
wow, how do you get 4 hours screen on time? i used greenify b4 but doesnt do much.
Click to expand...
Click to collapse
sorry i missclicked. i get about 2,5-3,5h screen on time. depends on task what i do. if i read much in dark i sometimes get like 4h.
im just using a clean setup, maclaws CM12, with not much apps (i dont need much) & all is grennified which has the blue cloud. only whatsapp runs in background, no mods/tweaks.

Have you tried cm 11 before? If you have, is the battery life on cm 12 significantly better?

Xeftyop said:
Have you tried cm 11 before? If you have, is the battery life on cm 12 significantly better?
Click to expand...
Click to collapse
i dont tried cm11 because of lack of time. cm12 is enough for me. stays a day or 1.5 up for me depending on usage.. i attached screen of heavy use on day, see screen on time. im on newest cm12 from maclaw

bejunk said:
i dont tried cm11 because of lack of time. cm12 is enough for me. stays a day or 1.5 up for me depending on usage.. i attached screen of heavy use on day, see screen on time. im on newest cm12 from maclaw
Click to expand...
Click to collapse
what, thats amazing battery life. I tried both cm 11 and cm 12 but my battery life just sucks. Theres no wakelocks draining battery but the only thing i noticed is that when i download stuff (play store or on internet) my cpu just clocks to max ghz (1ghz) and stays there until download is over. Is this normal or what? cause this is the only thing i can think of that could drain my battery. So confusion

Kernels for Cm 12.1 Note 4

I've been searching for the past couple of days for the best kernel to flash to my phone. I'm looking for performance of course but also battery life. Having my phone last all day if possible with regular use. Maybe that's impossible, if so than just let me know. The battery life that comes with the CM 12.1 is great but it seems like it's only great if the phone is off. Very little battery consumption in that respect but i've noticed when i turn on my screen and do what i need to battery drops pretty quickly. If it's not as simple as just suggesting which kernel is the best to flash onto your phone. Can someone please tell me what i should be looking for specifically when it comes to picking a kernel?

Xjmas said:
I've been searching for the past couple of days for the best kernel to flash to my phone. I'm looking for performance of course but also battery life. Having my phone last all day if possible with regular use. Maybe that's impossible, if so than just let me know. The battery life that comes with the CM 12.1 is great but it seems like it's only great if the phone is off. Very little battery consumption in that respect but i've noticed when i turn on my screen and do what i need to battery drops pretty quickly. If it's not as simple as just suggesting which kernel is the best to flash onto your phone. Can someone please tell me what i should be looking for specifically when it comes to picking a kernel?
Click to expand...
Click to collapse
Temaseks CM 12.1 seems pretty good in battery life, CM Remix is close to it under power save... And believe it or not on power save you still have some performance, as in. Its still snappy to opening apps and whatnot. I personally turn it on around 30% and by that time I only use internet.
@ffolkes is working in his Plasma Kernel he has TMo variant of his kernel and is continuing to improve it. Its located under the sprint forum
http://forum.xda-developers.com/showthread.php?p=62699253
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Moved to Q&A.