This adapter can make lithium batteries for Dewalt/for Milwaukee 18V/20V use on for Metabo 18V Lithium cordless power tools. Not compatible for Metabo HPT. Built-in battery lock fixed combination power tool battery, non-slip design. For a long time do not use, Please separate from the battery. Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries , please use the battery chargers. [Material]Made of sturdy structure and plastic for safe and durable use. Type:Battery Convertor Adapter Model :DM18MTB Socket: 5Pin Above: Compatible with for Metabo 18V tools. Base: Compatible with for Milwaukee 18V /for Dewalt 18V/20V lithium battery. Suitable for Dewalt for Milwaukee to for Bosch c adapter 14.4v/18v battery tool electric drill psr18 li-2 converter The products are only used for flexible conversion between one power tool and another lithium battery, and do not involve any other brands! The products are only converter, not charger, not battery, not machine, also can not recharge battery by it. Colour:black Material:plastic Package Contents: 1 x Battery Adapter (no battery, no tool) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.