Macally External Li-Ion Battery adds plenty hours of play time to your iPod device(s), as well as prolongs the life of other portable devices wherever you go.It's ideal for long flights, outdoor activities, or anytime your devices might run out of power. High capacity Li-ion battery cell increases devices usage time. Macally External Li-Ion Battery supports most portable devices with USB charging capability. Recharge it from computer's USB port conveniently with included cable.

-Supports most portable devices with USB charging capability such as iPod, Cell Phone, PDA and MP3 player

-Ideal for long flights, outdoor activities, or anytime your devices might run out of power

-High capacity Li-ion battery cell increases devices usage time approx. 3-4 hrs

-Recharge from computer's USB port convenietly with included cable

-Built-in battery tester button with battery level LED indicator