Type:Battery Convertor Adapter Model:MT18EIN Compatible for: For 18V Li-ion battery BL1830 BL1850 BL1860 For Lithium Tool (1). With MT18EIN, you can use the (for ) 18V Li-ion battery on (for ) 18V electric power tools, replace (for ) -CHANGE (4511437) li-ion battery The products are only used for flexible conversion between one power tool 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. Color: black Material: plastic Package Contents: 1 x Battery Converter Adapter 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.