... battery for iPad 2,iPhone 4,iPod 1.Capacity:4800mAh 2.Input:5V,1A 3.Output:5V,1A Backup battery for iPad ... Portable devices wherever you go .Description:1:Ideal for long flights, outdoor activities ,or anything your devices ... ) increases devices usage time .3:USB power out for charging any device that powers from a USB socket ... :5V 1AOutput:5V 1A Backup battery for iPad 2,iPhone 4,iPod,Blackberry