... DC output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh UPS battery bank for mobilephone:1. Fashionable design, aluminum shell, good ... the charging performance, also can improve the battery’s service efficiency. 4. Without any external power, it can charge all the electronic ... less than 5V, e.g. iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on. UPS battery bank for mobilephone