2.1mm DC Barrel Jack to Alligator Clips : ID 1328 : $1.95

Printable catalog (PDF) - Adafruit

Maddison, PDF, Haut-parleur

Maddison, PDF, Haut-parleur

This brilliant invention is a blessing for makers designing or using boards with standard 2.1mm DC barrel jacks. Many devices opt against a proper power switch, for size or cost or other design reasons. So, you're expected to unplug when not in use.

adafruit-2.1mm DC Power Jack with Rocker Switch

Power Products Category on Adafruit Industries

This brilliant invention is a blessing for makers designing or using boards with standard 2.1mm DC barrel jacks. Many devices opt against a proper power switch, for size or cost or other design reasons. So, you're expected to unplug when not in use.

adafruit-2.1mm DC Power Jack with Rocker Switch

2.1mm DC Barrel Plug to Alligator Clips : ID 1329 : $1.95

PDF) Catalog Adafruit Electronica

Catalog Adafruit Electronica

1328 Adafruit Industries LLC, Cable Assemblies

2.1mm DC Barrel Plug to Alligator Clips : ID 1329 : $1.95

Power Products Category on Adafruit Industries

This cable is easy to understand - you get a 3.5mm mono audio plug on one end, and two alligator clips on the other. It's also really easy to use,

3.5mm Mono Audio Plug to Alligator Clips