Database Users

Best battery life JB rom

Guys, as I am truly annoyed by the fact stock JB is draining like hell, I would like to know the best rom available now. If any of you have good experience with a particular rom let me know
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Try Adam's ROM I'm getting similar battery life as in ics
Sent from my Nexus S using Tapatalk 2

It's most likely not a ROM issue. I tried Adams and CM10 and had similar battery life. Make sure you turn off google now (just the cards that need to know your location constantly). It might also be that your update didn't go that well, so you might try a factory reset. It could also be a misbehaving app, so when you do a factory reset, maybe test the ROM before restoring/reinstalling your apps. Also, the more information you give us the better we can help. Good luck!

Aktifit said:
It's most likely not a ROM issue. I tried Adams and CM10 and had similar battery life. Make sure you turn off google now (just the cards that need to know your location constantly). It might also be that your update didn't go that well, so you might try a factory reset. It could also be a misbehaving app, so when you do a factory reset, maybe test the ROM before restoring/reinstalling your apps. Also, the more information you give us the better we can help. Good luck!
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Thanks for the info. I installed the stock factory image 4.0.4 and then waited for the official OTA. I updated and all works well, but I get around 15 hrs on a full charge with some Whatsapp and Facebook use. When I use it more intense with more screentime the battery drains the most. I think a factory reset wont give me more battery life then this, but I know my drain was not so big while I was on ICS.

By the way, which one is the most stable; CW10 (That chocolate river one??) or Jellybelly?

lowtje said:
Thanks for the info. I installed the stock factory image 4.0.4 and then waited for the official OTA. I updated and all works well, but I get around 15 hrs on a full charge with some Whatsapp and Facebook use. When I use it more intense with more screentime the battery drains the most. I think a factory reset wont give me more battery life then this, but I know my drain was not so big while I was on ICS.
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Sounds weird. But also keep in mind that there are still some apps that don't cope very well with JB, and Facebook has never been Androids best friend . But it doesn't make sense that it's only during screen on, most people report issues related to google now and apps doing **** in the background. If you want to switch ROM anyways, I suggest you use Adams Jellybelly, it's mostly stock (less features means less that can go wrong) and it includes thalamus kernel, which is IMHO the best JB kernel at the moment. I do not recommend any CM10 based ROMs if you're after stability. I assume you checked your battery stats and didn't find anything?
Edit: Chocolate river was abandoned when official OTA came afaik, so definitely Jellybelly . Make sure you do a full wipe though, if something's wrong dirty flashing isn't worth it.

Aktifit said:
Sounds weird. But also keep in mind that there are still some apps that don't cope very well with JB, and Facebook has never been Androids best friend . But it doesn't make sense that it's only during screen on, most people report issues related to google now and apps doing **** in the background. If you want to switch ROM anyways, I suggest you use Adams Jellybelly, it's mostly stock (less features means less that can go wrong) and it includes thalamus kernel, which is IMHO the best JB kernel at the moment. I do not recommend any CM10 based ROMs if you're after stability. I assume you checked your battery stats and didn't find anything?
Edit: Chocolate river was abandoned when official OTA came afaik, so definitely Jellybelly . Make sure you do a full wipe though, if something's wrong dirty flashing isn't worth it.
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Sounds good to me. Downloading Jellybelly now. I checked my battery stats and didn't find anywhing weird. I dont have much apps installed so there is not much that could give issues. When I leave my screen off (at night or while working) the battery life is not that bad. It's weird, but JB is still very fresh and new, so I'll just try some other roms =)

Agreed jelly belly provides the best performance, stability, and battery life
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Now running JellyBelly and its much faster then my stock JB
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also for me battery life was improved in jb

Wouldn't agree that jellybelly provides best performance and battery. I suggest trying out cm10 v1.2
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I am currently on JellyBelly and the battery life is definitely not better than stock for me. Battery drains like crazy when idling.
BUT, I do have Google Now activated. So really make sure to deactivate if you do not need it.

IMO all ROMs should give similar battery life.

Apolyxon said:
I am currently on JellyBelly and the battery life is definitely not better than stock for me. Battery drains like crazy when idling.
BUT, I do have Google Now activated. So really make sure to deactivate if you do not need it.
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Even with Google now turned on the battery should last some time. Do You get the same time as with ICS when it's deactivated? If not, something's borked .

Even if the battery life isnthe same with Jellybelly, the performance is great!
Sent from my iPad using Tapatalk HD

after a few days weith stock jb i reach 3h45 / 4 h of screen use
with ics stock i never reached 3 h!

nexususer1 said:
Wouldn't agree that jellybelly provides best performance and battery. I suggest trying out cm10 v1.2
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Link to v1.2?

ironia. said:
after a few days weith stock jb i reach 3h45 / 4 h of screen use
with ics stock i never reached 3 h!
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Really? That's what I was getting that on ICS. Haha. Well that's an improvement for you!

I got 5 hours on time with jelly belly WiFi almost always on
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kwibis said:
Link to v1.2?
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https://plus.google.com/u/0/111722836277981844223/posts/C8Ykk6Fvu3t
For some reason Kalin is posting new versions of CM10 on G+ now

Battery life absolute trash?

So my N7 arrived two days ago, and I immediately unlocked, rooted, and flashed some things. Currently running Codename Android with Trinity Kernel.
My battery is absolute crap now though. Its been two days so I thought the battery more but have settled by now. All auto sync off, brightness at lowest setting, apps sync every 4 hours, still bad! Does calibrating still work? I read somewhere that it was debunked and it didn't work. I would appreciate any help. I mean, my Maxx is getting better battery life.
I uploaded some screenshots of the battery after only 1 and a half hours.
Sent from my Nexus 7 using Tapatalk 2

dafuq?
My Battery life is without doing nothing ~1-2weeks (in my with 58% xD)
Use Stock Kernel

renes2 said:
dafuq?
My Battery life is without doing nothing ~1-2weeks (in my with 58% xD)
Use Stock Kernel
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Where can I find that to flash it?
Sent from my Nexus 7 using Tapatalk 2

Aliceics said:
Where can I find that to flash it?
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Go to the motley kernel thread in Original Development. He provides a mirror link for the stock kernel
I loved Trinity and the TKT app but for some reason im getting much better battery life with motley kernel. I originally did some troubleshooting and fixed some apps that were causing wakelocks. My battery life got a little better but not by enough (could only get 3 or 4 hrs screen on) so i switched kernels.
If you feel like experimenting do this:
Nandroid
Wipe Cache + Dalvik
Wipe System
Factory Reset
Flash CM10 nightly (any rom of your choice)
Flash GApps
Flash motley kernel (i used the 484 GPU version)
Fix permissions
Reboot
I get awesome battery life now and performance is great.

Your title should be something like this: "After rooting and installing battery draining rom and kernel I get bad battery life on my N7"
Stock JB and kernel should yield decent batter life.
With the proper rom and kernel the Nexus 7 easily match or better the googles battery life claim.
FYI the latest Trinity kernel is a battery hog.

noobandriod said:
FYI the latest Trinity kernel is a battery hog.
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if you use it at 1.7ghz it will be, but thats obvious. at 1150mhz, its as quick and wonderful on batteries.

simms22 said:
if you use it at 1.7ghz it will be, but thats obvious. at 1150mhz, its as quick and wonderful on batteries.
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I wouldnt go as far as saying its a battery hog, but i ran the kernel at stock clocks and while performance was much better than stock i still had tons of drain that i now dont have with a different kernel.

Ran Trinity kernel at 1150mhz and had awful battery. Back on stock ROM and kernel and seems to have improved a lot.
Sent from my Nexus 7 using xda app-developers app

I feel like the battery is pretty decent...
Get off those custom Roms and kernels until you understand how the device is meant to perform.

You appear to have 87% after 1.5 hours, that equals about 10 hours, how is that bad? I get about 8 hours if I am intensely playing with screens, apps and games, 2 days if I'm not doing much. Loses 2% at night with wifi off. No root.

trinity kernel and the pure aosp rom, at 1150mhz. id say not bad at all..

Trinity Kernel is a good kernel. I went overboard by saying it was a battery hog. I did have it overclocked up to 1500hz on-demand and it ate up battery faster then I would like. But this is with the newest one, a few of the older ones worked out better for me though.

noobandriod said:
Trinity Kernel is a good kernel. I went overboard by saying it was a battery hog. I did have it overclocked up to 1500hz on-demand and it ate up battery faster then I would like. But this is with the newest one, a few of the older ones worked out better for me though.
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yea, overclocking is mostly for fun, definitely not for battery life

640k said:
Get off those custom Roms and kernels until you understand how the device is meant to perform.
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I have some problems with *wakelock*

Best Kernel for battery

Which ROM performs the best in terms of battery performance. If you are using any Governor and I/O setting please do mention them.

PA rom...Franco kernel...ondemand settings...

I'm also curious on what you guys experienced.
I'm currently testing Franco R15 with Stock JB on my Nexus 4. It's the first day and I'm running for 9 hours with 1h 46M of screen time.
So I'm expecting about 3h 30m of screen time.
Will give it a fews days and report back. Then I'll try out Matr1x.

Please use search next time because there are threads with the same exact title. No such thing as a best kernel. It is subjective such as if you were to ask the question, what is the best car for conserving gas usage.
Sent from my Nexus 4 using xda premium

My first cycle (settings on signature) gave me almost 4hs of screen time.
Trying second cycle today.

calanizzle said:
My first cycle (settings on signature) gave me almost 4hs of screen time.
Trying second cycle today.
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your sig is wrong, unless you are running 4.1.2?

calanizzle said:
My first cycle (settings on signature) gave me almost 4hs of screen time.
Trying second cycle today.
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4.1.2????
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This is what I'm getting constantly and I'm running Stock everything/rooted... not sure if I would leave stock with these numbers I'm getting... Anyone getting better numbers with custom ROM/kernel
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fresh_TD said:
This is what I'm getting constantly and I'm running Stock everything/rooted... not sure if I would leave stock with these numbers I'm getting... Anyone getting better numbers with custom ROM/kernel
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That's really good. I'm getting 4 hours 45 min running Xylon 012 with Matr1x 3.0
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Jefferyrbrown1983 said:
That's really good. I'm getting 4 hours 45 min running Xylon 012 with Matr1x 3.0
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I'm going to give francos kernel a run to see if I can squeeze a little more out the battery
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I'm on Stock rooted using Franco's R15 kernel since a couple of days. Every charge cycle brings a slight improvement. Will test the kernel for a week and then flash Matrix's kernel and compare.

Thanks for letting us know.
Sent from a galaxy far far away.

Wish I had better battery life
Sent from my Nexus 4 using xda premium

for best battery : CM10.1 + faux kernel (the last beta) + intellidemand + UV -150mv .
+5h00 screen on

fresh_TD said:
This is what I'm getting constantly and I'm running Stock everything/rooted... not sure if I would leave stock with these numbers I'm getting... Anyone getting better numbers with custom ROM/kernel
Sent from my Nexus 4 using xda premium
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So ~5 hours screen time. And you got 1.4 days on WiFi with hardly any awake time. That's not really a good measure of battery life.
I don't know about everyone else, but I find the Nexus 4 gets really good battery life. Maybe not as good as the GSIII or the H1X+, but those have tremendously aggressive power-saving features.
Using faux kernel with Snake Charmer (caps max freq on all 4 cores) and Eco Mode (only allows 2 cores to be simultaneously active) provides adequate performance with very good battery life; even better if you undervolt. You will definitely beat the GS3 or H1X+ with those faux kernel settings. I don't use Eco Mode, because my phone lasts nearly a day, and I can charge it mid-day. I should probably be more conservative so I won't have to replace the battery as soon, buttphuckit, I do what I want.

I've used faux, Franco, motley, and Matr1x a lot. As of now, the best battery with performance goes to Matr1x by Mathkid. Version 2.5 undervolts by 150, which my phone runs fine. However, a few people had instability because it was too low for their devices. Enter v3.0, which undervolts by 100 (and you can uv even more using System Tuner or perhaps Faux app). Either way, great battery life (I routinely get 5 hours screen time with 16 hours battery time, or 4 hours screen with 24 hours total, etc).
Absolute best battery life is probably faux with his battery optimized settings (1.35 max speed, snake charmer, eco mode, and some undervolt by 100 or so). It runs fairly well, but it's not as quick and smooth as stock because it sacrifices some of that for battery (fair trade off if you need it because it's still a damn fast phone). People have gotten 6 and even 7 hours screen time. Obviously this won't happen playing games but it's possible with light browsing and texting and whatnot.
Motley's kernel also gets good battery and excellent performance. Franco's kernel does too, but not quite as good of battery because it doesn't support undervolting YET. When it does, it might be the best battery for performance of all (likely).
I use Matr1x daily and am happy with it. Some people, even smart devs, will sometimes tell you undervolt battery gain is negligible. However, at least with this device, it can make a huge difference because it handles such a big undervolt while remaining stable. It also stays much cooler and will run at high clocks longer before reaching the thermal throttling limit.
Anyway, some people might disagree, but these are my experiences. Franco has a huge following and for good reasons. His kernels are awesome. I just don't think the battery life will compete until he adds undervolting. He has said this will come when he feels it is stable and good overall. I'll probably switch then unless Mathkid adds more features to his like gamma control, etc.
Hope this is helpful. Btw, another thing I really like about Matr1x kernel is that he uses the older touchscreen driver which increases screen sensitivity. Many people complain about the nexus 4 screen sensitivity, and if that applies to you, this will fix that.
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^^ A good write up, deserved its thanks. Am on latest rasbean & matr1x, never experienced smoothness & battery life like this. Screenshots at the Matr1x thread later today.
However, all users are different. Battery life WILL differ, that's the only certain thing.

[Q] Best Battery life. Stock or Custom?

experienced user told me that Stock(AOSP 4.2.2) is better than Custom (CM10.1, AOKP...) (in terms of Battery life.)
is this true? maybe someone test?
i have Nexus 7 3G (AOKP off + franco Kernel)

It's impossible to give you a truly correct answer because there's too many variants which can make battery life differ.
As things like apps, usage, ROMs, kernels, mods, the device, tweaks and many other things can all have different effects on battery life, it really is dependant on the specific situation.
So if I was to have the 3G model (as you have), be using the same ROM and kernel combination, have all settings exactly the same, have exactly the same apps installed, use the apps for exactly the same amount of time and have the same mods/tweaks installed, we could still quite easily have our battery life last a different amount of time.
Due to that, that's why it's always best to just test them out for yourself so then you'll know exactly how your battery will perform in regards to your usage
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The ROM makes little to no difference whatsoever. Battery life is more affected by the kernel and your own individual settings.
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But some ROMs claim to have better battery life than the others (CodenameBattery, SuperCharge Series). Are they talking nonsense?
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Odp: [Q] Best Battery life. Stock or Custom?
I use stock 4.2.2 rooted in two weeks now, and the battery is very good. Try to stick to stock in one week or so.
Sent from my Nexus 7 using XDA App

StrangerWeather said:
But some ROMs claim to have better battery life than the others (CodenameBattery, SuperCharge Series). Are they talking nonsense?
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Some could absolutely be talking nonsense but others could actually be telling the truth.
They could have certain tweaks in place that will indeed improve battery and could also have more power saving apps included. There's so many variables that without actually testing them out for yourself, there's no way of knowing whether it will have better battery life or not.

I use a custom ROM on my gnex simply for color control, but in my experience custom kernels never improve battery enough to make more than a very minimal difference. I stick to stock with my 7 for multiple reasons, one being certain EA games won't download data while using custom kernels. You'll see people claiming custom kernel's get them 9 hours display time ect... Well I've gotten that on stock depending on what I was doing with my 7. My average is usually more like 5-6 over 2-3 days as I use it more for gaming than anything.
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Like previous members have stated, it's not possible to give you a definite answer as to which gives you better battery life. When I received my N7 I rooted and installed a ROM and a kernel. Ultimately I revert back to full stock android for many reasons. One, battery life was much better on stock kernel than a custom one. I didn't need a custom ROM either. Only on my N4 would I need custom software installed because recently my mother has been using my N7 a lot so my N4 is what I use most now.
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Best Kernel and Rom for Battery?

Hi Im an user from nexus 4 since 2 months ago .
since the first day i rooted and change my rom.
i used to use cyanogenmod 10.1 RC2 + Franco Kernel M2 or 134 these days.
when i updated the franco kernel my battery began to drain too much even when the phone was idle. so my battery died in less than 10 h!!!
so i come back with CM kernel and right now my battery is during like 1 day!
im thinking in use rasbean + trinity kernel but i dont know if i should to use faux, semaphore or other one.
i just want my phone to use social apps,calls and i wanna take care of my battery.
what do you recommend me?
Thank You!

Use whatever you like. Find what's best for you.
Threads like this get shut down by mods.
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You won't get a proper answer to this because the question is completely subjective and experiences vary from user to user. It's the same as asking someone what the best colour is, there simply isn't any correct answer. I'm sure if 10 different people replied you'd receive at least 4 different suggestions.

I too was trying to only get the best battery solution for a couple of months. I ended up using PA with stock PA kernel because the performance was much more efficient, with improved battery life over stock.

okay thanks guys!

In all honesty I used to drive myself crazy with this question, then I realized that there are simply to many variables that are constantly changing from day to day. Now a days I just rock out and charge when I need too.....call me weird lol
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