Size:9.5*2.4*2.4cm
Specification:18650 batteries
Bateries type: lithium ion
Batteries rated capacity:1500MAH/2200MAH/2600MAH
Rating input: Mirco USB 5v/500ma(MAX)
USB output: 5v/800ma USB output, you can give the iphone ipad, sansung P1000 mobile phone MPS, MP4 and other digital products rechargeable resistant overcharge too overload short circuit.