The capacity as high as 1000 mAh, about 2-4 times of the original iPod battery; 2) Can charge iPod, PSP, PDA, most mobile phones, MP4 and others;3) The rechargeable Lithium-Ion battery can use many times;4) The power can still remain 80% after more than 500 times of recharging; 5) H-1100 itself can be charged by computer (by USB) or wall socket;6) Plug and play
