... many battery capacity remains when you are charging and discharging.Specification:1, Polymer Lithium-ion battery: ... 2800mAh/3.7V , high energy and safe.2,Intelligent capacity indicator, can indicate the ... USB, iphone, PSP), we use female connector, so you only need one cable for charging and discharging, easy to ... x1pcs, Connectors *6pcs( other is opptional) for PSP super start power pack