Describes: Fits for Craftsman V20(NOT OLD 20v) platform cordless tools. Compatible with Dewalt 20v MAX XR DCBSeries Slider Lithiun Batteries.(Not Compatible with Dewalt 18v NiCD/MH & Any Black&Decker Batteries) The adapter does not support the charging function for dewalt 20v batteries (please use the original charger). Closefitting & compact design, Builtin tool to remove the release switch. Please do not try to use the adapter for other types of batteries & tools. WARNING: Not Compatible with Dewalt 18v NiCD/MH & Any Black&Decker Batteries (Different PIN Sorting)/ Not Compatible with Craftsman OLD 20v & 19.2v C3Series Cordless Tools Make sure that the battery is fully inserted for normal use The adapter does not support the charging function for 20v MAX XR batteries Package Includes: 1*Adapter (Adapter Only, Battery & Tool Not Included)