The Neofree NF-4400. Need power? Lots of it? Then you might find comfort in the arms of one of these rechargeable battery packs. 4400mAh says plenty enough juice to run your iPod music library on a weekend trip.
By adopting elegance of design, you can come to be satisfactory. The portable battery pack (secondary battery) can be charged by home power source (AC110-220V) and then carry it with you anytime anywhere to charge your digital devices(without external AC power) conveniently such as mobile phone, DMB phone, PDA and MP3 etc..