Portable power supply Power bank/ external battery can charge with ipod,Mobile phone,PSP,GPS,MP4/MP3 at anywhere in any ... power supply 1,High capacity Mobile Power, can charge with ipod,Mobile phone,PSP,GPS,MP4/MP3 at anywhere in anytime ... 500 times 7,charging time:4Hours 8,Not fit for ipod nano G3 option capacity type: 1700mah,2600mAh,3200mAh,3600mAh,4200mAh