... mobile phone battery 2.Capacity:4,000mAh 3.Output:DC 5V/1.0A 4.Smart,Elegant,Portable 5.CE,ROHS external mobile phone battery USB ... output can charge usb digital devices. Product Specification: Size:116.8*60 ... Compatibility:Perfectly for Iphone,for Ipad,for Blackberry,MP3/4,Mobile,etc. Standby time:Up to 720hours Talk time:up to ...