battery life it is about tweaking the rom ... freeze all app that u don't need or use ... disable there startups... lower the light of the screen ... use darker screen pic because of amoled screen when the color is black the pixels they turn off to save battery ... sometimes drain battery to 0 and than charge it at least with 8H even if it charged ....... and there is more good luck
i had cyanogenmod 11 4.4.2 build 9 + moshkernel 1.9.1 + interactive governor => 3 days of normal use
now i have stock 4.2.2 + greenify + moshkernel 1.9.1 + i've removed some system apps + interactive => still 3 days of normal use
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