After having turned of everything I could find that does synching, notifying and such, when I'm at work, the battery quickly drains. Wakelock shows the main culprit to be GTALK_CONN, part of Google Services. Battery will go from 80% when I get to work to 15% when it's time to go home 9 hours later. Oddly, if I am at home, that same amount of time takes only 4% of the battery. Both places have WiFi. Problem seems to have started within the last few weeks.