Adapter for Dewalt 18V/20V, Milwaukee M18 18V Battery --- It was made from mold, not 3d printer, it owns high level performance. Use for Milwaukee power tool machines with slide pack batteries. Cannot be used for power tool battery charging, this adapter will not fit into any chargers. This adapter built-in battery lock and protection electrical board (PCBA). This adapter converts 18V/20V max lithium battery to Milwaukee power tool M18 batter.Specifications: Material: ABS Color: Black Size: 9.57.54.8cm/3.742.951.89inches Function: ConvertingNote: Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.Package Contents 1 x Converter