For me the battery life on omnirom was just awesome, but after serveral flashs of other roms it got more worse. I got "only" 3 and 1/2 sot without gaming. and with an other reason i flashed the factory image on my phone and installed omnirom again and my battery is now as good it was at the beginning.
Now i have 27 % left with 3h 22 min sot and 1 and 1/2 h of this gta san andreas was on!!!!
So very nice battery. I think with that 27 maybe 4 h are realistic . So with daily use without gta there is more potential
Give it a try and tell us if its better for you too
Thank You !
Gesendet von meinem Nexus 5 mit Tapatalk