1900mAh rechargeable battery case for iphone 4 1.rechargeable battery case for iphone 4 2.4 color 3.blister packing ... USB to Apple 30pin connector cable (not included) Specification:Battery type: Lithium-ion polymer batteryDimensions: 12.5x6.4x1.2cmWeight ... time for iPhone: talking 6 hours, video 8 hours, music 30 hours, standby 230 hoursInput: DC5VOutput: DC5V 1900mAh rechargeable battery case for ...