2PCS 3 Pin XLR Plugs Mobility Scooter Power Connector for 12V 24V Battery Chargers XLR Male Connector Metal Case with Cable Protector Jack Plug Adapter

Look up "3-pin-DIN-Plug" (male). Example: https://www.amazon.com/CESS-Male-3-Pin-Connector-Soldering/dp/B01FQ6NC7KBut NOT an XLR Type ! like https://www.amazon.com/Micro-Traders-Mobility-Connector-Protector/dp/B0CD21D7L2