... charger for iPhone4/IPAD/IPOD/iPhone3/MP3 MP4 portable usb charger for iPhone4/IPAD/IPOD/MP3 MP4 iPhone3GBattery ... V): 5VBattery Capacity: 3500mAh optionalColor: optionalType: polymer This is a portable battery for iPhone, iPad, Blackberry, Nokia, Motorola, Sony-EricssonSamsung ... 2,High Efficiency of power conversion(90%) 3,Flash light 4,Powerful with long operation time 5,Portable and convenient 6, ...