... and discharging. Specification: 1, Polymer Lithium-ion battery: 2800mAh/3.7V , high energy and safe. 2,Intelligent capacity indicator, can indicate the battery ... connector, so you only need one cable for charging and discharging, easy to take. 4,The input port is standard ... current power under the sunshine. 9, 2800mAh Capacity buildin battery can charge two times of your mobilephone. 10,Whole set ...