Develop Bugs

Battery life is horrible

On juggernaut ROM and I don't know why but my battery drains faster than my vibrant with ics I have no widgets or installed any apps
Sent from my SGH-T989 using xda premium

post some screens of battery use.
mines pretty good. apart from the basics try disabling wifi/4g when your not actually using the internet.
Hercules was here

I tried JuiceDefender on the market (Free one) and I seem to be getting better bettery life.

airhop7 said:
On juggernaut ROM and I don't know why but my battery drains faster than my vibrant with ics I have no widgets or installed any apps
Sent from my SGH-T989 using xda premium
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Click to collapse
Stock kernel on juggernaut overclocks. this offers better performance, but drains the battery faster.
How long have you been using the juggernaut Rom?
Sent from my SGH-T989 using XDA App

Give eugenes rom a go, it has a custom kernel. Ill post some screenies of my battery life as soon as I hop on a computer
Sent from my SGH-T989 using Tapatalk

airhop7 said:
On juggernaut ROM and I don't know why but my battery drains faster than my vibrant with ics I have no widgets or installed any apps
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
WHOA it's rare to see someone say that the battery life is horrible in this forum. You should try a new fresh wipe and install, and try different kernels.

Try darksides super wipe then re install juggernaut ROM. Make sure not to run setcpu or any other cpu apps, I was having bad battery drain running setcpu.
Sent from my SGH-T989 using XDA Premium App

Setcpu leaves a core on so I advise against it
Sent from my SGH-T989 using xda premium

Teo032 said:
WHOA it's rare to see someone say that the battery life is horrible in this forum. You should try a new fresh wipe and install, and try different kernels.
Click to expand...
Click to collapse
+1
From a galaxy better than yours.

What kernel are you using?
Sent from my SGH-T989 using xda premium

vabeach454 said:
I tried JuiceDefender on the market (Free one) and I seem to be getting better bettery life.
Click to expand...
Click to collapse
i actually think those "battery saving" and task killer apps uses up more juice than saving ... i had juicedefender ultimate and i noticed my battery drain when it was enabled .. i deleted the app and ive noticed a great improvement on my battery .

Agree
I was also getting horrible battery life on the Juggernaut roms. I tried the bullet kernel, synergy, and faux kernels with all sorts of different ways to reduce battery consumption such as underclocking, undervolting, uninstalling bloat, and removing apps from startup. No matter what, my phone would always be dead by the time I came home from work/school (I'm usually away from home from 630am until 800pm).
I recently started using the DARKSIDE rom/kernel in the hopes that it would provide some better battery life and I am actually getting significantly longer usage times. As of right now after ~15 hours of time spent off the charger and with moderate use (~500 texts/day, XDA app, FB checking, random Internet usage), I have just under 40% battery life remaining. I must say I am very impressed with this rom and give the developer TDJ mad props.

So here's my battery life with Eugene's Macnut ROM:
Compared to this (Juggernaut 4.1 with ICS Ultimate Theme):

I run juggs with TDJ Darkside kernel, kernel makes huge diff
airhop7 said:
On juggernaut ROM and I don't know why but my battery drains faster than my vibrant with ics I have no widgets or installed any apps
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I am running Juggs 4.1 as well previously with the FAUX123 kernel and decided to try out TDJ's Darkside kernel. Wow, huge difference, highly recommend. I use system tuner app to adjust my speeds but main thing in system tuner app is to go into boot settings and set screen-off to powersave governor and max frequence to 800, 500 etc.
I also run easy bettery saver and that helps as well. Battery life is best I have ever had with my G2 and I got it first day it came out and have run most all of the rom's kernels on it. If you can I would suggest running TDJ's Darkside rom as well. I would but just don't want to reload again at this point.
DK

I'll try darkside rom and see if it fixes my battery drain problem.

cashyftw said:
Setcpu leaves a core on so I advise against it
Sent from my SGH-T989 using xda premium
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Click to collapse
Thank you for this, I wasnt aware of that, what do you use to change your clockspeed when your screen is off? I recently switch from an iphone and unfortunately battery life seems to be something I have to actually think about now. I know its a faster processor and a bigger screen so I get it, I just never had to worry about turning off wifi and things like that before. I currently am running beastmod 4.2 with darkside kernel. I have 9hrs on battery at 41% with 2 hrs and 15 min of display. Im not really interested in speed at this point so I thought setcpu was a good thing to use to underclock and use less battery. Can you recommend any good alternatives or should I not bother with setcpu type apps. Thanks in advance

On darkside... Not the current one but the one before it... I think it was version 1r2 or something like that. Battery is great, better than juggernaut. I have bluetooth and Wifi on all day

schgittyfour said:
i actually think those "battery saving" and task killer apps uses up more juice than saving ... i had juicedefender ultimate and i noticed my battery drain when it was enabled .. i deleted the app and ive noticed a great improvement on my battery .
Click to expand...
Click to collapse
They gobble up a TINY bit more CPU (probably no more than 1% throughout the entire charge) at the cost of managing your data settings. It saves juice primarily when your phone is idling. It pings, it checks data thresholds. The main idea is that it turns off 4g/wifi when you're not using it, and back on when you are. This requires a little but of CPU, but you end up having a battery that lasts much longer.
There's never be a time when you're using your phone 100% of the time on battery. There's ALWAYS idle time.

Poor battery life with juggernaut 5.0 & darkside v1 kernal

its been 3 days since i rooted my phone for the first time due to battery life issues. the first day my phone lasted for 10 hours. after a full discharge and full charge I've been experiencing horrible battery life again on medium usage. only getting 6 hours of battery life. what do you guys think would be the cause of this??? everybody is getting better battery life and mine seems to be horrible still. I don't have any out of the ordinary apps running either. do you think i need a new battery?
Sent from my SGH-T989 using XDA

just did a battery calibration and still getting poor battery life. suggestions please?
Sent from my SGH-T989 using XDA

I have never found juggs to be a battery friendly ROM. It's a power ROM. Better for gaming, shooting live video etc. If you want the 15 to 20 hour battery some are getting then switch over to darksides ROM DIGITALWARFARE. It's powerful enough for gaming just not like juggs.
Also usage plays a roll to. If your gaming for 4 stright hours don't expect the phone to last that long because no phone will. Running Juggs with darksides kernal is kinda doesn't mix.
Sent from my HTC Flyer P510e using xda premium

thanks for the info i had no clue
Sent from my SGH-T989 using XDA

Download 2x battery from the market, it's done wonders for my phone and i use it with any rom i flash. Not to mention i ran that same setup for quite awhile and the maximum time out of a battery i've gotten comes using juggs 5 and v1 darkside kernel.

I'm running Juggernaut 5.0, with Eugene's Streamline kernel. I'm getting about 17hs. I'm also OCD, so I play, and tweak every setting possible. I game a lot, and usually get about 6-8 with that. It depends on a lot of factors though. I agree though, it's kind of an oxymoron to use Darkside kernel with that rom. They kind of clash.....I guess you could say, as far as battery goes anyways. I had the same issue when I used that kernel. Just my experience anyways. There's a lot of setups you could go with, so. Best to just test everything once, till you find your happy place.
TerrorCandii™ Gaming uses
Juggernaut5.0/Streamline kernel

TerrorCandii said:
I'm running Juggernaut 5.0, with Eugene's Streamline kernel. I'm getting about 17hs. I'm also OCD, so I play, and tweak every setting possible. I game a lot, and usually get about 6-8 with that. It depends on a lot of factors though. I agree though, it's kind of an oxymoron to use Darkside kernel with that rom. They kind of clash.....I guess you could say, as far as battery goes anyways. I had the same issue when I used that kernel. Just my experience anyways. There's a lot of setups you could go with, so. Best to just test everything once, till you find your happy place.
TerrorCandii™ Gaming uses
Juggernaut5.0/Streamline kernel
Click to expand...
Click to collapse
i just switched over to synergy kernel for my jugg. been off the charger for about an hour and I've lost 10%. so im on pace to have about 4 hours more than i had with darkside. do you suggest streamline or will he results be similar to what im getting already ?
Sent from my SGH-T989 using XDA

hey mike what were your results with new kernal ?
Sent from my SGH-T989 using xda premium

unfourtunately im seeing no results. i got about 6-7 hours still on decent amount of usage. i even went ahead and purchased the extended battery from nexus and im still seeing no improvements! im pretty sure its not a rogue app because i barely use any apps. im even using apps like 2x battery to try to get more juice. anyways i just wiped and installed digital warfare last night. just unplugged my phone at 100% lets see how this goes. ill report back.
Sent from my SGH-T989 using XDA

casperi said:
hey mike what were your results with new kernal ?
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Click to collapse
what are you using? are you experiencing poor battery life as well?
Sent from my SGH-T989 using XDA

Your battery life also depends on a number of other factors as well. Do you have animations on or off? If they are on, turn them off. What brightness is your screen? I turn mine all the way down. How many widgets are you running? I don't use widgets. Is your phone constantly syncing with Facebook, Twitter etc? I only turn my sync on for Gmail and Google. Is your GPS on? I have mine off at all times. Do you stream a lot of music/videos? How many programs do you have running in the background? I make sure everything is closed or off except for the programs that need to be on. If I need to use a program/app I will open it, I don't need it constantly running shortening my battery life. Etc Etc.
I also recommend using the app Juice Defender. Yes it runs in the background at all times, but, it greatly improves battery life. I use it all the time and it's fantastic.
I typically have my phone on for 15-17hrs a day and by the time I go to bed I still have over 50% battery left. I am currently just on a stock ROM and not Juggs, but my results with Juggs were around the same as well, even with the Darkside Kernel. Peace

Chochiwpg said:
I also recommend using the app Juice Defender. Yes it runs in the background at all times, but, it greatly improves battery life. I use it all the time and it's fantastic.
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Click to collapse
+1 I don't use juice defender on my device since I am happy with the battery life I get so far. However, I have Juice Defender on my wife's SGS2 with custom settings and her battery life has improved a lot. Before her phone would only last 10-12 hours with moderate use. Now she gets over 20 hours with the same usage.

Use tdjs ROM
Sent from my SGH-T989 using xda premium

I'm using aokp now but I found this to be the best setup for battery for me.
I recommend you try this and see if you still have this issue.
Juggernaut + synergy + juice defender on aggressive mode = awesome battery life.. awesome enough for you to have multiple MiniBaths. :banghead:
Sent from my SGH-T989 using XDA

TerrorCandii said:
I'm running Juggernaut 5.0, with Eugene's Streamline kernel. I'm getting about 17hs. I'm also OCD, so I play, and tweak every setting possible. I game a lot, and usually get about 6-8 with that. It depends on a lot of factors though. I agree though, it's kind of an oxymoron to use Darkside kernel with that rom. They kind of clash.....I guess you could say, as far as battery goes anyways. I had the same issue when I used that kernel. Just my experience anyways. There's a lot of setups you could go with, so. Best to just test everything once, till you find your happy place.
TerrorCandii™ Gaming uses
Juggernaut5.0/Streamline kernel
Click to expand...
Click to collapse
Started using the same kernal Monday and I have def. Started to see a difference.
Sent from my SGH-T989 using XDA

mikeyubuee said:
i just switched over to synergy kernel for my jugg. been off the charger for about an hour and I've lost 10%. so im on pace to have about 4 hours more than i had with darkside. do you suggest streamline or will he results be similar to what im getting already ?
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
I lost 10-15% an hour if im not on Wifi, this phone has terrible batt life when not on wifi. Could that be why?

mikeyubuee said:
its been 3 days since i rooted my phone for the first time due to battery life issues. the first day my phone lasted for 10 hours. after a full discharge and full charge I've been experiencing horrible battery life again on medium usage. only getting 6 hours of battery life. what do you guys think would be the cause of this??? everybody is getting better battery life and mine seems to be horrible still. I don't have any out of the ordinary apps running either. do you think i need a new battery?
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
Change to beastmod 5.0
Then change the ov/oc beater
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Roms with the best battery life.

I was wanting to know which ROM has the best battery life on the Gnex the CDMA version.
Thanks
Sent from my Galaxy Nexus using xda app-developers app

They are all pretty much the same IMO. The screen sucks up juice so keep it off as often as possible lol

xero925 said:
I was wanting to know which ROM has the best battery life on the Gnex the CDMA version.
Thanks
Sent from my Galaxy Nexus using xda app-developers app
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Click to collapse
If you want the latest software, most stable, and best battery life ROM, go with MMuzzy's AOSP ROM. Using it now, and its amazing
Sent from my Galaxy Nexus using xda premium

ROMs themselves rarely ever have an actual impact on battery life. Most postive effects for battery come from the kernel, and negative ones from rogue apps.
Before you ask which kernel offers the best battery, it really depends on the requirements of the user and the phone itself. You'll just have to try a few.

Marisa said:
ROMs themselves rarely ever have an actual impact on battery life. Most postive effects for battery come from the kernel, and negative ones from rogue apps.
Before you ask which kernel offers the best battery, it really depends on the requirements of the user and the phone itself. You'll just have to try a few.
Click to expand...
Click to collapse
That's very true, IMHO LeanKernel is the absolute best.
Sent from my Galaxy Nexus using xda premium

How do I switch out the kernel. I'm kind of a noob at this stuff...
Sent from my Galaxy Nexus using xda app-developers app

Flash it like you would a ROM. Make sure you find one that is for the version of android your ROM is based on. I would suggest tying Franco kernel, but there are many good ones.
Sent from my Galaxy Nexus using xda app-developers app

xero925 said:
How do I switch out the kernel. I'm kind of a noob at this stuff...
Sent from my Galaxy Nexus using xda app-developers app
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Click to collapse
FYI....this thread goes in general.
Flash kernel in cwm the same as you would have a rom. Be sure to clear cache/dalvik first.

For the moment the ROM with the best battery life is SlimRoms 2.7
Sent from my SAMSUNG-SGH-I747 using xda app-developers app

I've tried many ROMs and Kernels with no success in the battery life department.
My phone charger died so I downloaded an app...Easy Battery Saver...my phone was still at 34% after 1 day and 7 hours. I was NOT heavily using my phone but still this is the best battery life I have ever experienced. I was always on the "battery saver apps are useless" team until recently.
Don't get me wrong, I'm still flashing
Just love my new app.

i tried miui, pa, vicious, aopk, smooth, and now using cm10. tried out different kernals too,but at the end, all the roms cant pass 1hr 50mins of screen time.

zeke1988 said:
i tried miui, pa, vicious, aopk, smooth, and now using cm10. tried out different kernals too,but at the end, all the roms cant pass 1hr 50mins of screen time.
Click to expand...
Click to collapse
Hmm.. thats strange. I'm on MMuzzy's ROM which is pure AOSP and I get around 2 and a half hours of screen time. And some people around the forums have gotten around 5 hours of screen time with different combinations of ROMS and Kernels.

I have tried numerous roms, if not all of them for the galaxy nexus, and there is a difference between roms, even using the same kernel.
I have been getting amazing battery life using Eclipse.
Sent from my Galaxy Nexus using Tapatalk

The mods can move this thread, but in the mean time, it is a good question.
I used to get some awesome battery life. VZW + 2100mah. Typically 4 hours screen on time was normal.... now I'm lucky to get 1hr. I can't remember if it was the jelly bean update or the inclusion of Google Now.

Does letting the ROM settle really help? I have been getting terrible battery life out of my 2100mah. The battery just drains when the screen is off. No rogue apps, but this is a fresh install as of 24 hours ago
Sent from my Galaxy Nexus using xda app-developers app

I believe use what you like as long as you use Lean Kernel you should get good battery life.

ir13 said:
I believe use what you like as long as you use Lean Kernel you should get good battery life.
Click to expand...
Click to collapse
I wasn't going to put my 2 cents in but because there are so many complaints about this being in the wrong place, I just have to now.
I have tried many different ROM's and kernels and found there always seems to be the "right" combination sooner or later. Right now I am on AOKP w/Franco M6 and getting about 14 hours with 24% battery left, 2.5 hours screen time, mostly LTE and moderate phone use, best I have seen of any combo for me on this ROM. For CNA the right kernel for me was lean kernel. A little experimentation and patience and you will find that sweet spot soon enough.
Edit: the whining drew me to it, sucked me in so I couldn't stop myself from answering

If someone can get 4+ hours screen with mostly 3G, let me know. haha.

Wrong section
However as for battery life slim ROMs work great but I'm on jbsourcery built in trinity and I've definitely had worse d: the only ROM I've used that's had has battery is pa however they've had multiple updates since then so I'm sure its not horrible now
Sent from my Galaxy Nexus using xda premium

2 things here:
1) OP, wrong section. Questions belong in their own section, the Q&A section. Development is reserved for Roms, kernels, tweaks, etc.
2) If you guys see something posted in the wrong section, report it. No need to get in an internet gang war about it. Us mods have a life too and we can not be here 24 hrs a day to watch over you. When you hit the report button, we see it.

Get Most Battery Life Out Of Your GS2

I have lately been running tests of different ROMs and trying to get the best battery life possible! I have tested out these ROMs:
Jedi Mind Trick X1
CM10 Stable Release 4.1.2
AOKP Jellybean 4.1.2
Slim Bean Unofficial 4.1.2
When i flashed these ROMs i did a battery calibration (off app from play store NOT CWM). And ran them on FULL Brightness, GPS ON, BLUETOOTH ON, and running on Wi-Fi! I opened up netflix and watched multiple movies (same movies for each ROM)...until the phone went completely dead. Here are the results i got:
Jedi Mind Trick X1: 4 1/2 Hours
CM10 Stable Release: 3 3/4 Hours
AOKP Jellybean: 4 Hours
Slim Bean Unofficial: 5 3/4 Hours
As most people know the Screen does use over half of the battery. So on this test the screen was on NON-STOP for the amount of time you see above. And 99% of people will not have their screens on for that long at one time. So this is the WORSE-CASE scenario for battery life. I was impressed mainly with Slim Bean and Jedi Mind Trick did good as well.
You may get different results than I did. If you are using a ROM that i did not test or you tested one of these ROMs above and got different results please post below your results.
I hope this helped guys

Thanks for this.... maybe i need to try out slimrom again

macattack510 said:
Thanks for this.... maybe i need to try out slimrom again
Click to expand...
Click to collapse
I used an unofficial version of it... http://forum.xda-developers.com/showthread.php?t=1964944&highlight=slim+bean
I did do a battery calibration! I suggest doing that and you should have GREAT battery life.

Ok guys. I have officially moved over to the Galaxy Note 2. I no longer have the Galaxy S2 so i cannot add anymore support for it since it is against the rules. I appreciate all the help from this device thread and now you guys can see me at the GN2 forums. Goodbye Galaxy S2 Users

Personally I have the best battery performance, regardless of the ROM, by setting up CPU profiles. Basically you can set one profile to limit the to 432 (or whatever you want) while the screen is off and 1500+ while screen is on. I use ROM Toolbox Pro for this and get really good results. If your interested just do some searching on ROM Toolbox Pro and CPU profiles. Just thought I would share

How come no matter what rom I run my battery still juices super fast
Sent from my SAMSUNG-SGH-T989 using xda app-developers app

I'm averaging like 10+ wit AOKP runnin at 1242/192 badass/sio on both cores using 4g when I need it on 4.2.2
AOKP B5 3/10nightly NOS V0.0.7

people say that doing battery wipes are useless? From my experiences, i have gotten terrible battery life with those roms. It must have been due to the fact that the battery was not properly calibrated.

回覆: Get Most Battery Life Out Of Your GS2
Watching the same movie for 4times? Wow.....
從我使用 Tapatalk 2 的 GT-S5830 發送

Not sure if guys care about 4g speeds sbut this is what i got using edge only... Just used my phone for what it is. A source of communication. I also noticed better and more consistent call quality. Running an older build of cm10 back from October. Im sure I could get even more battery if i upgrade to stable
There's about three hours screen on time
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garth719 said:
Not sure if guys care about 4g speeds sbut this is what i got using edge only... Just used my phone for what it is. A source of communication. I also noticed better and more consistent call quality. Running an older build of cm10 back from October. Im sure I could get even more battery if i upgrade to stable
There's about three hours screen on time
Sent from my SAMSUNG-SGH-T989 using xda app-developers app
Click to expand...
Click to collapse
Woah that is a LOT of wake locks..
And bump
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What do you guys think is the best Governor/scheduler combo with the Jb leaks? (Cymbaline kernel too)
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What rom had the best battery life

I have now a samsung rom on my phone but i want a cm10.1 or aosp rom on my phone is cm10.1 a better battery than samsung roms??
Sorry for my english
Sent from my GT-N7100 using xda app-developers app

yes it does because it has less features So less mouths to feed

Blackwolf10 said:
yes it does because it has less features So less mouths to feed
Click to expand...
Click to collapse
Wrong!
'Swyped' from my GT-N7100

Blackwolf10 said:
yes it does because it has less features So less mouths to feed
Click to expand...
Click to collapse
I could compete with any CM based ROMs any day.

Blackwolf10 said:
yes it does because it has less features So less mouths to feed
Click to expand...
Click to collapse
That's how it should be but in reality it's not. Sammy roms have much better battery life but then again that could just be because there are better power and memory management features on stock. It's the only reason I've been reverting back to stock since almost every other cm10.1 based roms have ridiculously weak battery life.
Sent from my GT-N7100 using xda premium

bushako said:
That's how it should be but in reality it's not. Sammy roms have much better battery life but then again that could just be because there are better power and memory management features on stock. It's the only reason I've been reverting back to stock since almost every other cm10.1 based roms have ridiculously weak battery life.
Sent from my GT-N7100 using xda premium
Click to expand...
Click to collapse
that's kinda weird because on mine the battery on stock sucks but on cm10.1 it lasts a lot more so i was thinking the same for note2

Not really. Battery life is awesome at is on stock. You could flash some kernel like Perseus and do some undervolting or even underclocking to
squeeze more battery out of it though.
Battery life, I've found it to be more or less the same, if not marginally better on stock.
@bushako - How's battery life on MIUI mate? Heard it drains battery more than other stock based ROMs?

So what is better i hear different story's haha
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gamesz2 said:
So what is better i hear different story's haha
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Click to expand...
Click to collapse
Choose the best that fits your lifestyle. Period.
Fvck what anybody thinks.

tuxonhtc said:
Not really. Battery life is awesome at is on stock. You could flash some kernel like Perseus and do some undervolting or even underclocking to
squeeze more battery out of it though.
Battery life, I've found it to be more or less the same, if not marginally better on stock.
@bushako - How's battery life on MIUI mate? Heard it drains battery more than other stock based ROMs?
Click to expand...
Click to collapse
I actually ended up going back to stock based Rom. The battery life wasn't as bad as I had thought, it got me about 6hours screen time. Don't get me wrong MIUI really looks gorgeous but at the expense of performance, especially at this stage since there's quite a few bugs that needs ironing out and also because MIUI and xposed framework use the same setup they are incompatible and I'm use to lower DPI. I might get back with signs of improvements.
Also, I found that Perseus kernel is not compatible with aosp and that so far the one that does work is neak and redpill.
Sent from my GT-N7100 using xda premium

Lower dpi means better battery life or drain the battery?

Android revolution
Android revolution rom is stock rom but all the things which causes lag are removed and u still get amazing battery too...

gamesz2 said:
I have now a samsung rom on my phone but i want a cm10.1 or aosp rom on my phone is cm10.1 a better battery than samsung roms??
Sorry for my english
Sent from my GT-N7100 using xda app-developers app
Click to expand...
Click to collapse
With the same app installed and same setting on my daily use. I can tell you that sotmax v6 and v7 absolutely brilliant interms of battery life performance.
Wit 3g full time on. My battery able to last longer at least 22hours++ with 6.5hours screen on time.
I can show you the photo as I captured previously.
Sent from my GT-N7100 using xda premium

lee yun khong said:
With the same app installed and same setting on my daily use. I can tell you that sotmax v6 and v7 absolutely brilliant interms of battery life performance.
Wit 3g full time on. My battery able to last longer at least 22hours++ with 6.5hours screen on time.
I can show you the photo as I captured previously.
Sent from my GT-N7100 using xda premium
Click to expand...
Click to collapse
Yeah iam on a good stable rom 2 but i love custumizing my rom ... i am on fakejap rom (with simplistic) .. this rom almost got the same battery life
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Romow really have very good battery life.