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