... BoxProduct Features:*High capacity 20000mAh external backup battery for your iPhone 3G,3GS,4G,4GS,iPod, iPad 1,iPad2 , and mobile ... phones.*Designed to provide power for your iPhone, iPad, iPod and mobile phones.*Built-in 20000mAh high capacity ... capability, powerful with long operation time.*be compatible with Nokia, iPhone, iPad, MP3, MP4, and other mobile phones...*the USB ...