I used to get what I thought was an insane amount of time on my extended battery while on GB, 20ish hours with moderate use. I normally got 12 or so with my standard battery, wasn't too shabby. Since the update, I've been getting 12 or so with the extended and 4ish on the standard. This has been going on for a while now, and I was just wondering what I could do. I've done factory resets, battery calibrations (for both, thought maybe they were bad but it's highly unlikely since they both drained post-ics), and I monitor the battery constantly. After the factory reset this last time, and calibrating the battery (charged overnight with power off after draining to 10%), it's doing a bit better. These screen caps are with the standard battery, notice the kernel at the top. It was never on top with GB, so I was thinking there was something wrong there.