I'll test tomorrow and post up-this may be the answer. Remember- turn it on for nav and maps. It's odd, even if there is no wifi signal, it locks on to sats great as long as wifi is on. I did not think of this, the blue map triangle with a 4300 meter circle instructs after tapping it to turn on wifi for better accuracy and it is accurate to 2 meters. I need battery way more than nav so I am keeping it off unless I need it (or June 2012 when I get the iPhone and I can leave everything on all day and have a 50% charge at midnight like a normal phone).Yeah I have 73% battery right now and its 4:10PM. I havent used wifi today and its been good battery! Moderate texting and a bit of internet use, and a 1 hour phone call with the gf. With wifi on the other day I was losing about 20% battery an hour even with the screen off.
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