Belkin TunePower Rechargeable Battery Pack

Belkin TunePower Rechargeable Battery Pack ... solution for long plane flights, hikes, or for anytime you don't have access to an AC outlet. For your convenience, three sleeves sized to fit all iPod and iPod mini players with dock connectors are included. The TunePower provides 8-10 hours of additional playtime on all iPod models and it features a power-level indicator, so you can tell when your batteries are running low. The compact design fits easily in your pocket or carrying case so you'll never be caught without your tunes again.

The TunePower includes a detachable DC/FireWire cable that, when used with the Apple AC wall charger included with your iPod or any FireWire port, will charge BOTH the iPod and the TunePower simultaneously. The TunePower also features a protective case design to prevent dirt, dust, or impact from damaging the connector.