... power case with 1,500mAh Capacity accept OEM ODM orders Rechargeable Power Case for iPhone 4/4S, with 1,500mAh Capacity ... .8 x 59 x 15mmCharger: 5V USBOutput: 5V/500mAWeight: 55g Rechargeable Backup Battery Case for iPhone 4/4S, with 1,500mAh Capacity