UPS battery bank for mobilephone: 1. DC input: 5V , 1000mA 2. ... output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good ... , PAD, mobile phone, digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone