We offer power bank. Power bank 10, 400 mah[zi-pb-002]an extremely popular version of multifunction digital movable charger. Contains the efficient boost converter and battery protective ic. It's built-in intelligent identification chips are able to identify different kinds of digital products their voltage & electric current. Reaches available charge fast. Its wide built-in high-capacity battery, it is handy as it has small size and shape, offers wide scope of application and ensures longevity i.e long life, guarantees high cost-performance. This can be used to charge cell phone, digital camera, pda, psp, mp3, mp4, ipad, ipod, dv and etc at any time. item: power bank 10, 400 mahfor: adaptation for various mobile phone and mobile productsinput: dc-5.0v 2.0aoutput: dc 5.1v 2.1acapacity: 10400 mah