Video example of the adapter.
DeWalt 18-20V Battery - Metabo ( NOT METABO HPT) 18V Tool Adapter
2-in-1 Dewalt/Milwaukee to Einhell Battery Adapter - Powuse
Adapter (adapter) For Metabo 18v Battery-to Makita Lxt Tool
Battery Adapter for Einhell 18V Lithium Battery, Cordless Power
Makita LXT Battery - Einhell Tool Adapter (JAdapters)
EHB18MTL EHB18HTL EHB18MBL Adapter Converter for
Milwaukee Battery Adapter to Metabo HPT – Power Tools Adapters
Video example of the adapter.
Metabo 18V battery - Einhell 18V Tool adapter ( Jadapters )
Festool 18V Battery - Hitachi ( Metabo HPT) 18V Tool Adapter
EHB18MTL EHB18HTL EHB18MBL Adapter Converter for
Adapter (adapter) For Makita Lxt 18v Battery-to The Einhell 18v
Bosch Home 18V battery - Bosch Professional 18V Tool adapter
Einhell 18V Battery - Festool 18V Tool adapter. Before buying, make sure that you have such batteries and Tool.
Einhell 18V Battery - Festool 18V Tool adapter ( Jadapters )
1x Adapter Only Fits Hitachi & Fits Metabo HPT 18v