Video example of the adapter The tool I work with.
Adapter (adapter) for battery AEG (Ridgid) 18V-to tool 4 pin Worx 20V (Dexter) - AliExpress
Worx 4 pin 20V battery - Bosch Professional 18V Tool Adapter ( Jadapters )
Worx 4 pin 20V Battery - Hitachi ( Metabo HPT) 18V Tool Adapter ( Jadapters )
WA1820 for Worx Adapter 18/20V Li-ion Battery to 18V NI Cordless Power Tool WA3127 WA3152 WG150 WG152 WG250 WG541 WG900 WG901(not Battery) : Tools & Home Improvement
WA1820 for Worx Adapter 18/20V Li-ion Battery to 18V NI Cordless Power Tool WA3127 WA3152 WG150 WG152 WG250 WG541 WG900 WG901(not Battery) : Tools & Home Improvement
Adapter (adapter) For The Gardena 18v Tool - Power Tool Accessories - AliExpress
Worx 4 pin 20V battery - Bosch Professional 18V Tool Adapter ( Jadapters )
Adapter (adapter) For Worx 6-pin Battery, To Worx 4-pin Tool - Power Tool Accessories - AliExpress
Adapter (adapter) for battery Worx 4-pin-to tool Dexter 20V (it same Sterwins) - AliExpress
Адаптер Einhell-WORX (4 pin) для Li-Ion аккумуляторов 18-20 В. – JAdapters ®
Adapter (adapter) for Metabo tool (CAS) 18V