Female DC Power

This 5.5mm/2.1mm barrel plug (female) to screw terminal will come in very handy if you want a DC power connector that runs off a battery pack or wired power supply. There is a 2.1mm DC jack on one end and bare wires on the other. The red wire is positive and the black wire is negative.

Type: 5.5×2.1mm
Hole Diameter: 5.5mm
Pin Diameter: 2.1mm