1.High Capacity backup battery 2.Capacity:4,000mAh 3.Output:DC 5V/1.0A 4.Smart,Elegant,Portable 5.CE,ROHS High Capacity ... backup battery USB output can charge usb digital devices. Product Specification ... Output) Capacity:3.7V 4,000mAh(14.8Wh) Lithium Polymer Battery Product Compatibility:Perfectly for Iphone,for Ipad,for Blackberry,MP3 ...