... portable power bank for phone, ipad,Mp3,Mp4,camera.2200mAh A.Specification Battery type: 18650 Li-ion batteryCapacity: 2200mAhInput: 5v/500mAhOutput: 5v ... clear element Power bank is equipped with 18650 Li-ion battery protective plate, which can avoid over-charge, -current, short ... ,MID,MP3,MP4,PSP,GPS,Bluetooth,and pad This external battery is designed with intelligent system, when remove the devices, ...