Material:Aluminium case Capacity:2000mh 1.Battery type: Li-Polymer battery cells2.Capacity: 2000mAh3.Rated input: 5V 1A4.Rated output:5V 0.7A 5.Color: black 6.Interface Input:mini USB 7.Interface Output :usbCharge:iPhone4,3G,3GS, 4G,MP3&4,HTC ,Blackberry Sony Ericsson,and some NOKIA,Motorola ,Samsung ,LG ipad,ipod ,PSP,NDS etc. 2000mAh portable power bank for mobile