Mini power bank: 1.Capacity:2000mAh 2.Output Voltage:5.V ... 5V(max) External Battery Pack/Portable mini Power Bank 2000mAhMIni power bank Property:1.external charger for all kinds of mobile ... the appearance of compact,easy to carry. Mini power bank parameters:1.Cell Type:Li-ion2.Input:DC5.0V 500mA3 ... .0*13.0mm5.Net Weight:50g6.Capacity:2000mAh Mini power bank can be used:Mobile, Iphone, MP3, MP4 ,PDA PSP ...