UPS battery bank for mobilephone: 1. DC input: 5V , 1000mA 2. DC ... 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good performance ... indicate the charging performance, also can improve the battery’s service efficiency. 4. Without any external power, it can charge ... digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone