mobile phone potable power charger: 1. DC input: 5V , 1000mA 2. DC output: 5V, 1000mA 3. built-in battery: 3.7V,2200mAh mobile phone ... potable power charger:It has unique circuit design, which can indicate the ... is less than 5V, e.g iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on. mobile phone potable power charger