807 4 pin Flat/Square Trailer Connector,Trailer Side 4-Way Trailer Wiring Harness with 12-Inch Wires, 4-Pin Trailer Wiring(4 Way Flat Plug)
Molex connector - Wikipedia
4-Pin Connector
Female 5.5*2.5mm To Male 4-pin Cable Lead For Sato Tg-5011-19v-es Just A 4-pin Cable For Tv Lcd Vcr Power Supply - Pc Hardware Cables & Adapters - AliExpress