20PCS DC-044 5.5x2.1mm DC Power Jack Socket 3Pin Connector DC044 5.5*2.1mm DC Power Supply Interface 3-Pin Panel Mount Plug
https://www.vogueparade.com/shopping/EN/4003/1/1005003719075663/20pcs-dc-044-55x21mm-dc-power-jack-socket-3pin-connector-dc044-5521mm-dc-power-supply-interface-3-pin-panel-mount-plug//