Description: Fits Hitachi & Metabo HPT 18v Cordless Tools. (Not Compatible with Non-Metabo HPT 18v & Hitachi 18V Cylindrical Batteries Type Tools). Compatible with Milwaukee M18-Series Slider Lithiun Batteries.(Not Compatible with Milwaukee OLD V18 Batteries) The adapter does not support the charging function for M18 RED batteries (please use the original charger). Mold injection production, safe and durable. Built-in tool to remove the release switch. Please do not try to use the adapter for other types of batteries & tools. WARNING: Not Compatible with Milwaukee OLD V18 Batteries (Different PIN Sorting) Not Compatible with Non-Metabo HPT 18v & Hitachi 18V Cylindrical Batteries Type Tools. Make sure that the battery is fully inserted for normal use The adapter does not support the charging for M18 batteries Package Includes: 1*Adapter (Adapter Only, Battery & Tool Not Included)