5.5MM X 2.1MM DC POWER SOCKET (CHASSIS MOUNT)

• Connector Dimension: OD 5.5mm, ID 2.1mm
• Installation Dimension:  (See photo)
• Connection: (see photo)
• Can wire to external power supply and battery the same time.
• Center lug is to connect to the battery if you need it.
• Function:

When you plug in the external power supply, it breaks the battery connection.

When you remove the external power supply, connection to battery is established.

Caution:

Wrong polarity can damage your DC device.