Brand New External Battery for iphone 4 +

Brand New External Battery for Apple iphone 4G Are you fed up with losing your battery power on your iphone 4G ??? Well here is the answer!!!! Simply slot your phone into the sleek case and charge it to Dramatically Increase the Batter Life on your Phone. Specifications: Weight 65g Capacity 1900mAh Cell type: Li polymer battery lithium-ion Dimensions: 12.5mm x 63mm x16mm Output Voltage: 500mA Cycle Life: 500 Times Function and Characteristics: Enhance iphone4 Signal Power check and indication Power Switch Standby Time Up to 230 Hours Talk Time Up to 6 Hours Internet Use Up to 5.5 Hours on 3G and 8 Hours on Wi-Fi Audio Playback Up to 30 Hours Video Playback Up to 8 Hours