Product name:  3200mah backup battery skin for i9220

Output Voltage:5VOutput Current:750mAhCapacity:3200mAhInput Voltage:5VInput Current:400-500mAhDimension: L159.5*W86*T18mmCharging time:4h

Unique, fashionable and high-class sliding design.To charge the portable battery, simply plug in the Apple USB connector into the portable battery and the other end to either an USB power adapter or an USB socket of a computer. To charge the phone, simply slide in the phone into the portable battery and slide ON-OFF switch to on.

Packing list:

Package:color boxProduct NW:100gQty:200pcs/cartonCarton size:56*34*34CM

Thinest ,Fashion looking 3200mah backup battery skin for i9220