Well, I am one of the few that isn't noticing much improvement in the battery usage. I unplugged it @ 6:30 PM and didn't really mess with it. At 7:25 PM, I turned on 4G and the wi-fi tether and in about 3.5 hours it has gone from 92% to about 30% according to juiceplotter. This is 4G on, WiFi...