mobile phone potable power charger: 1. DC input: 5V , 1000mA 2 ... , 1000mA 3. built-in battery: 3.7V,2200mAh mobile phone potable power charger:It has unique circuit design, which can ... the charging performance, also can improve the battery’s service efficiency.The connecter is standard USB design, inner there ... less than 5V, e.g iPod, iPhone, PAD, mobile phone, digital camera, MP3, Mp4 and so on. mobile ...