3G, WiFi, Bluetooth, and big colour screens savage the battery. Also if you are getting your push email more often than needed, things like that also are hard on the battery. The Storm is getting a lot of bad comments on the web for its poor battery like.
How many people know the size of their battery and the quote duration?
For example.
BB Storm
[SIZE=-1]Talktime: 5.5 hours[/SIZE]
[SIZE=-1]Battery standby: 360 hours[/SIZE]
Standard battery, Li-Ion 1400 mAh
E71
Talk time Up to 10 h 30 min
Stand-by Up to 410 h
Standard battery, Li-Po 1500 mAh (BP-4L)
3GiPhone
Talk time Up to 10 h
Stand-by Up to 300 h
Battery Standard battery, Li-Ion
Sony C902
Talk time Up to 9 h
Stand-by Up to 400 h
Standard battery, Li-Po 930 mAh (BST-38)