Compatible for Dewalt 18V/20V max batteryQualified design ,mass production itemThis adapter built-in battery lock and Protection electrical board (PCBA)This adapter converts Dewalt 18V/20V max lithium battery to power tool M18 battery( NICD V18 18V tool can not used)Material:plasticcolour:blackPackage Contents:1 x DL18ML Battery ConverterOnly the above package content, other products are not included.Note: Light shooting 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.