My 650 just started using up the battery in a matter of hours and re-setting itself several times a day and I was wondering if anyone is aware of what might cause this behavior. Also, the Treo sometimes 'hangs' for quite a long time before reacting to screen taps. I've had the phone since Aug. 05. I've read posts about battery life being about a year, but thought it strange that my battery would suddenly lose capacity AND the phone re-setting all the time AND the 'hanging' issue.