5.5x2.1mm 5.5*2.1 DC Female Power Jack Cable Plug Wire Adapter Connector DC Socket dc-021 dc-022 dc-025m dc-099 With Cable
https://www.vogueparade.com/shopping/EN/5/1/1005003375379076/55x21mm-5521-dc-female-power-jack-cable-plug-wire-adapter-connector-dc-socket-dc-021-dc-022-dc-025m-dc-099-with-cable//