Many of us are concern about 3G iPhone battery life as it doesn’t have a changable battery like other phone. Well, some folks has already done a test. I can tell you if you use it for push mail, GPS/map , email and browsing, you won’t able to make it home.

All tested with 3G on, WiFi on (not connected), Bluetooth off, no data fetching enabled (unless specified otherwise). Media tested with stock headphones, medium volume, and medium screen brightness, auto-brightness disabled.

-Music (continuous playback, large library, occasionally turning on screen): 31h 23m
-Video (continuous playback, no push/fetch data): 7h 5m
-Video (continuous playback, with push and 15 minute fetch data): 5h 24m
- Daily data use (browsing, email, and GPS / maps): ~6h 30m

Apple listen to us, we need an changable battery!

Via engadget

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