UPS battery bank for mobilephone: 1. DC input: 5V , 1000mA 2. DC output ... 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good performance components ... 4. Without any external power, it can charge all the electronic equipments whose output is less than 5V, e.g. iPod ... , digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone