Male DC Power Connector is one of the most common DC barrel power plugs used to supply power to electronic devices. It connects a DC power source (such as an AC adapter or battery) to a device with a matching 5.5 × 2.1 mm female DC jack.
Connector type: Male DCplug
Outer diameter: 5.5 mm
Inner diameter: 2.1 mm
Voltage: Commonly used with 5 V, 9 V, 12 V, 24 V, and other DC supplies
Current rating: Typically 2–5 A, depending on the connector quality
Connection type: Solder terminals, screw terminals, or pre-wired cable