power bank for MOBILE, PSP, IPOD, IPHONE, iPad, MP4, PMPs, GPS, CAMERA, etc. 1: Lithium batteries 4000mah2:Material: Aluminum3:Color:silver ;black ; red;blue 4:weight:80g5:cycle life: > 500 times, full of slow release 500 times to maintain a more than 80 percent of electricity Applicable device:MOBILE, PSP, IPOD, IPHONE, iPad, MP4, PMPs, GPS, CAMERA, etc.. Fashion Mobile power 4000mah,Super Slim