Stock vs custom rom battery life?? - Galaxy S II Q&A, Help & Troubleshooting

Generally which provide best battery life?
Also, which individual ROM do you think provides the best battery life?

Stock based roms will provide better battery life than cm based roms.There is no individual rom with best battery life.You have to try them personally.
It also depends upon how many apps are running in background.
A debloated rom will be faster(and battery friendly?).
A kernel is also responsible.There are many kernels.I cannot tell which has best battery life.You have to try them personally.I would suggest to try apolo kernel.
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Disagree. I've had much better battery life with AOSP roms on the S2 Vs Samsung-based roms.
OP - there are so many variables re: battery life it's impossible to give a definitive answer/answer for your situation because everyone has their phone setup differently & everyone uses it differently. You're only going to find out what gives you the best battery life by trying out roms/kernels. People who have looked for shortcuts re: this in the past have ended up rather disappointed ('Someone told me rom/kernel X has fantastic battery life but it was crap for me').

I've had much better battery life with AOSP roms.

Just reported this thread, before it is too late If you don't understand why: please read the answer from MistahBungle again.

Best Rom threads are discouraged on xda.
Thread Closed

Related

Checkrom RevoHD v4 Vs. Omega v10.4

Which one is better with battery life, Performance and General Stability? Also, Which kernel gives Best Battery life and stability for the better Rom?
iOS.
In other words, you will not get the same performance, battery life or have the same experience with a given rom or kernel compared to someone else with the same rom or kernel. Your phone is setup differently, you use your phone differently & your phone came out of the factory differently to everyone else's.
Sooo...Try them both out & see how they work for you.
MistahBungle said:
iOS.
In other words, you will not get the same performance, battery life or have the same experience with a given rom or kernel compared to someone else with the same rom or kernel. Your phone is setup differently, you use your phone differently & your phone came out of the factory differently to everyone else's.
Sooo...Try them both out & see how they work for you.
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Click to collapse
+1
I tryied checkrom and has good battery life (even better if you make UV), actually i'm testing hyperdroid 6 and is a good option too.
Try them both and test them out.
Threads like this get closed.
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Cm9/aokp vs sammy based roms battery life

As the titles states, i would just like to make this thread for everyone willing to come in and share their experience with different roms and preferably show some screenshots of the graph and screen on time. I will be uploading mine shortly
bervin said:
As the titles states, i would just like to make this thread for everyone willing to come in and share their experience with different roms and preferably show some screenshots of the graph and screen on time. I will be uploading mine shortly
Click to expand...
Click to collapse
But this is not a Question is it .
jje
i've discoverend that the best rom for battery performance in my scenario is DarkyRom HD - i've tried so many ICS based roms and all the promises of "better battery performance" have not yielded anything more fruitful than what darky provides - as a matter of fact, darkROM HD is the only rom that actually charges my battery while i use it.. other just discharge regardless of whatever tweek and power saving setting i set on it
I've used HydrogenICS and it's one of the best for battery life imo. The base is AOKP
CM9 with N.E.A.K kernel - amazing battery life.
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What's the point of custom kernels for CM7/9?

This will likely be a controversial topic, but I'm going to risk it.
Also note that this is not meant to be a jab at kernel developers, or an attempt to lick CM developers' balls.
I have just been thinking. Custom kernels often claim an improvement in battery life or performance with their kernels. With Samsung ROMs, this is believable. The case of the fuel_alerted bug not being fixed with Samsung ROMs is an example that Samsung kernels aren't the best.
However, with Cyanogenmod ROMs you would think that the developers of CM would know best, since they *probably* work far more intimately with the code than custom kernel developers. Has anyone found an improvement in battery life with a custom kernel as compared to the stock CM kernel?
Now, I'm aware that custom kernels offer some features not found in the stock CM kernel, like how dual-booting is available for Siyah. But let's focus on battery life and performance for now.
Again, this is not meant to be a flaming thread. I genuinely wish for a conducive discussion on this topic. Lastly let me express my appreciation for both CM and Kernel developers, for devoting their own free time for our sakes.
Thanks!
I'm not sure if this is what you are looking for as an answer but a tweak i've used to give better battery performance is CPU FREQ_MIN. This is the frequency below which the 2nd core is not used. I don't believe you'd be able to use this tweak without a custom Kernel
puccini said:
I'm not sure if this is what you are looking for as an answer but a tweak i've used to give better battery performance is CPU FREQ_MIN. This is the frequency below which the 2nd core is not used. I don't believe you'd be able to use this tweak without a custom Kernel
Click to expand...
Click to collapse
It helps, thanks Personally I would prefer to try to quantify battery life with different kernels myself. Most phone review sites choose to test battery life by looping a video, however I do not believe this accurately measures battery life.
If anyone knows of an app that loops web browsing I will be happy to test it for myself.
I don't even care for extra 10 minutes battery life. If you want extra battery life don't use the phone. Lol.
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Alvin Lai said:
I don't even care for extra 10 minutes battery life. If you want extra battery life don't use the phone. Lol.
Sent from my GT-I9100 using XDA
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But I bought the phone so that I can use it right?

Rom with a great battery life???

What ROM you guys can say has the best battery life?? Ive used some of them and the only thing i can say is that the older builds with 2.2 have the best battery life, but i want to have a newer build on my phone cause of the new features and stuff, but if you guys can tell me which one of the new builds have the best battery life???
Things like battery life and performance are highly device dependant. Although many users may report great battery life on a particular rom, you may not experience the same effects. Hardware is not created equally, and as such, nobody can give you better advice on what's best for your device than yourself. I'd suggest find some roms that are reported to have decent battery life and test them for yourself. Same thing with kernels. You might experience awesome results with a particular rom/kernel combo that someone else might not. Test test test. Get to know your device.
Sent from my Wicked Galaxy S3

Best non-TW base rom for battery life?

I miss the old AOSP roms I became accustomed to on my Nexus phones (Specifically AOKP). The last time I tried any (about 2 months ago), they couldn't begin to compare with the TW base (stock modified) roms in terms of Battery life. Well, today I about had it with my TW rom, so I was considering giving AOSP another try. Has anyone found a stable one that can still give me 6-7 hours on screen time?
All AOSP ROMs will provide about the same battery life. Pick whichever you like, CM will be similar to AOKP, Pacman, etc. The same goes for TouchWiz ROMs, they will all offer more or less the same battery life. Not sure you'll get better battery life on AOSP than TW, but no one AOSP ROM is going to significantly better than another with regards to battery life.
imnuts said:
All AOSP ROMs will provide about the same battery life. Pick whichever you like, CM will be similar to AOKP, Pacman, etc. The same goes for TouchWiz ROMs, they will all offer more or less the same battery life. Not sure you'll get better battery life on AOSP than TW, but no one AOSP ROM is going to significantly better than another with regards to battery life.
Click to expand...
Click to collapse
My experience with the non-TW roms is that they (counter-intuitively) provided significantly worse battery life. I was hoping that was because of their relative immaturity at the time I tried them ( a few months ago). Since I am not the sort that likes to switch roms every few days, I was hoping some people had some recommendations as to which had finally improved their battery life to be on-par with the stock based roms.
They are all going to be relatively the same. As one ROM includes fixes, it propagates out to the others. IMO, CM10.1 is probably going to be the most "mature" as that is likely where most of the updates come from, but if you're looking for a bug free experience, it's likely best to stick with TW.
Carbon has same battery life for me as touch wiz ROMs. However it does use the trinity kernel. The only aosp ROM that does. I'm running it still to this day. Like it.
Sent from my SCH-I605 using xda app-developers app
My opinion probably doesn't mean much, but Carbon is my choice for AOSP. I've seen it pull about the same screen time for a battery charge as my Beans12 load. To each their own. :good:

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