http://www.irigpowerbridge.com for more information.
iRig PowerBridge - The first universal charging solution for all iPhone, iPad and iPod touch digital iRig accessories.
Never run out of juice.
Introducing iRig PowerBridge, a continuous charging system for iPhone, iPad and iPod touch and digital iRig accessories. Featuring an ultra-low noise audiophile grade power conditioner, comprehensive connection options and other advanced features, it's the easiest way to plug-in and keep your iOS device charged while practicing or performing with your favorite 30-pin or Lightning compatible digital IK gear.