I've got the non-rooted OTA GB. I turn off my wifi in the morning, and I'm running a battery saver mode. I use it a few times for phone calls, and maybe a few texts at lunch. I will have about 60% around 1pm, and leave it alone. At this point it's basically on standby...locked, no screen, no wifi, no satellite. At 4pm, it's all the way down to 30%. I take a look at the battery manager, but nothing jumps out as far as odd usage. Not sure why it's dropping down so far so fast at this time of day. I uninstalled the sense clock widget, and put the messaging on manual "fetch", so Ill see if that slows down the battery drain today.