... 5V , 1000mA 2. DC output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good performance ... connector is standard USB design, inner there is 2500mAh Li-battery. 3. It has unique circuit design, which can indicate the ... 5V, e.g. iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone