9V Battery Clip with 2.1 x 5.5 mm Male DC Power Plug Center-Positive Barrel Jack for Arduino（Pack of 5）

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

2.1mm x 5.5mm DC Male Power Jack Connector Power Plug In Pakistan

9V Battery Snap Connector to DC Male Power Adapter Cable for

9V Battery Clip to 2.1mm Barrel Jack Adapter

9V Barrel Jack Snap Clip Adaptor Battery Power DC Connector cable

Ardest 9V Battery Clip with 2.1 x 5.5 mm Male DC Power

Arduino Power Jack - Robotikka Store

9V to 2.1mm Barrel Jack Adapter V2 - RobotShop

9V Battery to 2.1mm for Arduino Uno Robotics Bangladesh

9V Battery Clip with 2.1 x 5.5 mm Male DC Power Plug Center