9V to Barrel Jack Adapter

This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery and connect the other end to anything with a 5.5x2.1mm, center-positive barrel jack.

Use this cable to battery-power any device that needs 9V and has an on-board barrel jack - it works great for [Arduinos](http://www.sparkfun.com/commerce/product_info.php?products_id=666), [development boards](http://www.sparkfun.com/commerce/product_info.php?products_id=29), [evaluation boards](http://www.sparkfun.com/commerce/product_info.php?products_id=281 ), and more!