9V Battery Adapter for Arduino (9V Clip to DC Barrel Jack)

This adapter allows you to connect a standard 9V battery to Arduino boards or other DC-powered devices using a DC barrel jack. One end features a 9V snap connector (clip), and the other end has a male DC barrel plug, making it ideal for powering Arduino Uno, Mega, and similar boards.

• Input: 9V via 9V battery clip (standard rectangular battery)
• Output Connector: DC Barrel Plug (Male)
• Plug Size: Outer Diameter: 5.5mm, Inner Diameter: 2.1mm
• Cable Length: Typically 10–15cm
• Polarity: Red wire = positive, Black wire = ground
• Applications: Powering Arduino boards, small embedded systems, portable electronics