Power bank 1) 5V/2600mAh portable power supply for mobile phone, Min player, camera, etc. 2) Standard USB port ... Li(NiCoMn)O2 battery, which are widely used in Electric Vehicle, Electric Bicycles, Power tools, Industrial miner's lamp, UPS, other industry ... products passed CE, UN38.3, MSDS. 2600mAh Portable Power bank for Iphone 4,all kinds of Mobile phone