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, development boards, evaluation boards, and more!