10PCS/LOT DC050 DC Power Connector 2.1x5.5 2.5x5.5 Female Plug Jack + Male Plug Jack Socket Adapter DC-050 DC-005
https://www.vogueparade.com/shopping/EN/4003/6/1005002567257472/10pcslot-dc050-dc-power-connector-21x55-25x55-female-plug-jack-male-plug-jack-socket-adapter-dc-050-dc-005//