... ): 5VBattery Capacity: 3500mAh optionalColor: optionalType: polymer This is a portable battery for iPhone, iPad, Blackberry, Nokia, Motorola, Sony-EricssonSamsung ... phone and all digital devices charged by USB port.Function is introduced1,Dual USB output could supply power for ipad ... of power conversion(90%) 3,Flash light 4,Powerful with long operation time 5,Portable and convenient 6,Wide compatible 7 ...