Battery For Iphone 4s
BATTERY Non-removable Li-Po 1432 mAh battery (5.3 Wh)
Stand-by Up to 200 h (2G) / Up to 200 h (3G)
Talk time Up to 14 h (2G) / Up to 8 h (3G)
Music play Up to 40 h
The Apple iPhone 4s is powered by a 1420 mAh Li-Po battery, which is quoted at up to 300 hours of stand-by, up to 14 hours of talk-time and up to 40 hours of non-stop music playback.