Battery life... - LG Optimus G Pro

So I haven't seen ANY custom roms at all that have better battery life then the stock 4.1.2 or 4.4.2, even with madmacks modem. I kinda thought that was one of the main points of rooting and using a custom Rom is for improved battery life in comparison to the stock firmware. Why is it so difficult to achieve that on this phone? with my last 2 phone (s3 and G2x) the custom roms almost always had better battery life then the stock provider image. I hate using the provider firmware, but it kinda feels like there's no real choice because of the battery life.

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[Q] Battery life non sammy roms

I'm experiencing very bad battery life on non sammy roms. With sammy roms battety lasts twice as long. I have tried different kernels, some give a little battery boost, but still not comparable to sammy based roms. Is this normal?
Sure. stock TW samsung roms have the best battery life. that's normal don't worry about it.
hope i helped
bests
Sent from my GT-N7100 using xda premium
fronogy said:
I'm experiencing very bad battery life on non sammy roms. With sammy roms battety lasts twice as long. I have tried different kernels, some give a little battery boost, but still not comparable to sammy based roms. Is this normal?
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It really comes down to your apps, Id say i get better battery life on TW roms like you, but i may see 5% more life not twice. I would download an app like better battery stats, or even just check the base battery stats, see whats using all that battery.
My CM roms use a lot of energy on the "android OS" If you are seeing something else using all your energy, You may need to uninstall that app. It may be conflicting with that rom, but not with TW.

Battery life

When you flash to a ROM that has less battery life and flash back to the stock ROM do you retain the original battery life or is it decreased by a percentage overall
josephh71 said:
When you flash to a ROM that has less battery life and flash back to the stock ROM do you retain the original battery life or is it decreased by a percentage overall
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I'm not sure what exactly the question means, but if you are at 60% on... say, AOKP, then flash TouchWiz, you should be at 60% minus whatever it took to flash the new ROM. As far as how long the battery will last; there are too many things to take into account to give a definite answer whether your battery life on one ROM will be the same as on another.
Thanks
lordcheeto03 said:
I'm not sure what exactly the question means, but if you are at 60% on... say, AOKP, then flash TouchWiz, you should be at 60% minus whatever it took to flash the new ROM. As far as how long the battery will last; there are too many things to take into account to give a definite answer whether your battery life on one ROM will be the same as on another.
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It seems as if my battery is dying faster since I flashed back to the stock ROM than it did prior to flashing another ROM
Your battery doesn't change when you flash ROMs. You will have higher battery drain on a stock ROM, compared to say a ROM like SlimBean. Another factor is what features you have enabled on the stock TW ROM like gestures and smart stay etc.
But more to your question, flashing ROMs does not change your battery. Your battery is your battery, that's it.
ROM/Kernel/usage among other variables are what effect battery life.
thanks
dynospectrum said:
Your battery doesn't change when you flash ROMs. You will have higher battery drain on a stock ROM, compared to say a ROM like SlimBean. Another factor is what features you have enabled on the stock TW ROM like gestures and smart stay etc.
But more to your question, flashing ROMs does not change your battery. Your battery is your battery, that's it.
ROM/Kernel/usage among other variables are what effect battery life.
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thank you

Which ROM has the best battery life for you?

I want to start a poll and a discussion thread, also to help new users (and old users) to decide which ROM to use, if long battery life is the top priority in their choice of ROMs.
I myself have only used STOCK 4.1.2 JB, and STOCK 4.4.2 KK (E988), and I have tested both enough to convince myself that Stock 4.1.2 does have better standby battery life than stock kitkat.
But for the sake of greater completeness, I will include 2 more options in the poll: 4.4.2 Variants, and non-Kitkat Variants.
So based on your experience, which ROM has the best standby battery life for you?
limestone said:
I want to start a poll and a discussion thread, also to help new users (and old users) to decide which ROM to use, if long battery life is the top priority in their choice of ROMs.
I myself have only used STOCK 4.1.2 JB, and STOCK 4.4.2 KK (E988), and I have tested both enough to convince myself that Stock 4.1.2 does have better standby battery life than stock kitkat.
But for the sake of greater completeness, I will include 2 more options in the poll: 4.4.2 Variants, and non-Kitkat Variants.
So based on your experience, which ROM has the best standby battery life for you?
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In comparison to kk roms, I think stock jb is better in this regard. I would be curious to know how much better you found it in comparison to stock kk?
abumy said:
In comparison to kk roms, I think stock jb is better in this regard. I would be curious to know how much better you found it in comparison to stock kk?
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Based on battery monitor widget, I averaged 4.6%/hr drain on JB ROM, 6.9%/hr drain on KK ROM. Medium use through a typical day.
I'm getting decent battery on this kk that I've been using for the last four or five days.
People know I'm cynical about everything, and with that in mind, I think this Rom is better than others for battery life.
Unfortunately, Camera has stopped.
Perry2547 said:
I'm getting decent battery on this kk that I've been using for the last four or five days.
People know I'm cynical about everything, and with that in mind, I think this Rom is better than others for battery life.
Unfortunately, Camera has stopped.
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Including jelly bean?
abumy said:
Including jelly bean?
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Yes but usually JBs have better battery life than KKs. (On the Note 2, this was much more obvious. And many of the custom KK have horrible battery life, both on the Note 2 and the OGP.)
I ran the stock JB on my phone and it was not too bad but this KK is somewhat better battery. I'm not saying that its mind blowing better, just a little bit.
The best battery life on any device I've ever held was the LG G2 running stock JB 4.1.2. Unbelievable.

Custom ROM or stock for battery life?

Just got a second hand HOX in great condition & upgraded to 4.2.2. Very nice but battery life could be better - is battery life generally better on custom ROMs or am I better off staying on stock?
Many things can be used to increase battery life
A good kernel will deactivate some core of the Tegra3 for example so you can start with that
Are there any non-root apps which can control cpu usage? Thinking root is probably the only way...
Swell6 said:
Just got a second hand HOX in great condition & upgraded to 4.2.2. Very nice but battery life could be better - is battery life generally better on custom ROMs or am I better off staying on stock?
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no metter what rom the power is more the kernel releated

Battery better with stock rom over LP?

Is it just me, or do others find the battery life in a stock-based kitkat rom much better than the lollipop roms? I've tried both on my VS985 and the battery with Eclipse G3 is just awesome. It's so much better than the LP roms I've tried like Illusion and crDroid, using basically the same apps/mail, etc. I mean the battery life is so different, there must be a reason because I've read of others who say the LP roms reduce the battery life.

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