Phone Lasted a whole day
My battery lasted a whole day today by virtue of me not doing much with it.
Phone: Sprint Treo Pro
Battery: Seidio 1750 mAh
Apps/Settings for the day:
Phone calls: about 10, probably about 100 mins total.
Taken off charger: 04:45 PDT
Phone died: 20:21 PDT
Activities: Some tweets, some facebook, some emails back and forth (both IMAP and Exchange Activesync), Google Maps search, Latitude update, cursory web browsing with Skyfire and Opera.