This is brand new.  Here is the description from the iSound website.

Shipping is free within the US.


This 2-in-1 Charger and Back Up Battery makes sure you'll never be left out to dry when your iPhone or iPod battery dies. The system features a high capacity 1000mAh polymerized lithium-ion battery that provides up to 30 hours of additional music, 6 hours of video or 3 hours of talk time. Included is a USB charging cable and USB AC adapter which can be used to charge the iPhone/iPod and battery pack simultaneously! The 2-in-1 Charger and Back Up Battery is compatible with iPhone, iPhone 3G, iPhone 3GS, iPhone 4 and all iPod models with a 30 pin connector including new iPod® nano 5th Gen, iPod® touch 3rd Gen & iPod® classic 160GB.

Product Features:

* Includes: Back Up Battery, USB AC adapter (switching 110-240V), retractable USB charging cable
* Compatible with all iPod models with a 30 pin connector
* High capacity 1000mAh Polymerized Lithium-ion battery
* Up to 30 hours of additional music, 6 hours of video, 3 hours of talk time
* Battery status indicator
* USB charging cable can charge iPhone/iPod and battery pack simultaneously
* USB AC adapter can charge any iPhone/iPod using an original charge/sync cable
* Works with iPhone/iPhone 3G/iPod
* Also compatible with new iPod® nano 5th Gen, iPod® touch 3rd Gen, iPod® classic 160GB & iPhone 4
* Input & output: 5V/500mA