UPS battery bank for mobilephone: 1. DC input: 5V , 1000mA 2. DC output: 5V, 1000mA ... . built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good performance components, the products ... less than 5V, e.g. iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone