mine is on auto brightness 95% of the time,
get about 5 hours on screen time on 4.1.1 ROM with stock kernel..
ICS OTA modem/rpm works best for me.
Team Ecliptic - Member/Co-Lead Developer
Bad Seed Customs! - Member/Developer
Motorola Droid > HTC Eris > HTC Incredible > HTC Incredible 2 > Galaxy Nexus > HTC Rezound > HTC Incredible 4G > Samsung Galaxy S3 > Samsung Galaxy S4 > HTC One M7 > HTC One M8