0ffa88ed_rint___64GB__Black__MD381LL_A___Detail
[Value] Built-in rechargeable lithium-ion battery Charging via USB to computer system or power adapter Talk time: Up to 8 hours on 3G, up to 14 hours on 2G (GSM) Standby time: Up to 200 hours Internet use: Up to 6 hours on 3G, up to 9 hours on Wi-Fi Video playback: Up to 10 hours Audio playback: Up to 40 hours [Detail] 
Battery and Power
iPhone 4S Sprint - 64GB, Black (MD381LL/A)
Detail