A mobile charging device as well as an adapter for cell phones,PDAS and MP3 players. It also can charge digital cameras, camcorders, portable DVD players, handheld GPS, PSP players, portable CD players.Extra play time for Sony PSP -10hours, iPod mini/nano -100 hours, and iPod video -40hourS Input: 5V/1.5A, Output: 5V/1.5A, 6V/1.2A, 8.4V/0.8A,High capacity Li-ion cell of 4400mAh,High safety Li-ion rechargeable battery, built-in circuit management