Worx 4-pin 18-20V battery - Einhell 18V Tool adapter ( Jadapters )

Video example of the adapter The tool I work with.

Worx 4-pin 18-20V battery - Einhell 18V Tool adapter ( Jadapters )

Power Wheel Adapter with Fuse & Switch, Secure Battery Adapter for WORX 20V PowerShare Lithium Battery, with 12 Gauge Wire,Good Power Convertor for DIY Ride On Truck,Robotics,RC Toys and Work Lights

DeWalt 18-20V Tool Adapter for Hilti Battery ( Jadapters )

Dewalt Battery Adapter to Bosch - UK

Adapter (adapter) for battery Worx 4-pin-to tool Dexter 20V (it same Sterwins) - AliExpress

Einhell tool Adapter for DeWalt 14.4/18-20v & FlexVolt Bateries ( Jadapters )

Worx 4 pin 20V Battery - Hitachi ( Metabo HPT) 18V Tool Adapter ( Jadapters )

Worx 4-pin 18-20V battery - Einhell 18V Tool adapter ( Jadapters )

AEG(RIDGID)18V BATTERY-GESIPA ADAPTER for 14.4-18-20v Li-Ion bateries( Jadapters) £47.84 - PicClick UK