9V Battery Clips with 5.5mm Male DC Plug

This simple cable has so many uses! Plug the 9-volt battery clip into a standard 9V battery and connect the other end to anything with a 5.5×2.1mm, center-positive barrel jack.
Use this cable to battery-power any device that needs 9V and has an on-board barrel jack. It can be used as a power connection cable for various electronic products such as
 Arduinos, development boards, evaluation boards, multimeters, instrumentation, alarms, medical equipment, and blood glucose meters.