... ion battery: 2800mAh/3.7V , 2.special universal solar power pack 3.LCD screen indicate capacity It ... is a special universal solar power pack, which surface is made ... /3.7V , high energy and safe. 2,Intelligent capacity indicator, can indicate the battery capacity from ... of your mobilephone. 10,Whole set including:Universal power x1pcs,Mini USB cable x1pcs,Connectors *6pcs ...