Griffin TuneJuice 2 Back-up Battery for iPhone

"This item does not work with the iPhone 3G"

Ever need more power for your iPhone? That's what TuneJuice 2 gives you! Even the batteries are included. TuneJuice 2 is ideal for air travel, camping roadtrips or anywhere you could be without power.

This battery backup for your iPhone will give you up to 14 additional hours of audio play and up to 2 hours of additional power to your video iPod.

Includes:

• 4 AAA batteries

• Quick Start Guide