• This simple cable has so many uses
• Great for Arduinos, development boards, evaluation boards, and more
• Works great for Arduinos, development boards, evaluation boards and more
• RoHS Compliant

The 9V to 2.1mm Barrel Jack has so many uses. Plug a 9V battery (not included) into one end 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.