This adapter can make lithium batteries for /for 18V/20V use on for 18V Lithium cordless power tools. Not compatible for . Built-in battery lock fixed combination battery, non- design. For a long time do not use, Please separate from the battery. Can not be used for battery charging, this adapter will not fit into any chargers. If you need to charge your batteries , please use the battery chargers. [Material]Made of sturdy structure and high-quality plastic for safe and durable use. Type:Battery Convertor Adapter Model :DM18MTB Socket: 5Pin Above: Compatible with for 18V tools. Base: Compatible with for 18V /for 18V/20V lithium battery. Suitable for for to for c adapter 14.4v/18v battery tool electric drill psr18 -2 converter The products are only used for flexible conversion between one and another lithium battery, and do not involve any other ! 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.