Describe: Suitable For Milwaukee M18 Cordless Tools (Not Compatible with old V18 Cordless Tools). Used with Ridgid 18v Batteries (NOT 18v Advanced Platform Batteries) the adapter does not support the charging function for Ridgid 18v batteries (please use the original charger). Made with PCBA Connection Process, More Continuous and Stable Output Than Traditional Cables. Please do not try to use the adapter for other types of batteries & tools. WARNING: Not Compatible with Milwaukee OLD V18 Cordless Tools & Ridgid 18v Advanced Platform Batteries (Different PIN Sorting & Size) Make sure that the battery is fully inserted for normal use If you do not use the adapter for a long time, please store it separately with the battery. Package Includes: 1*Adapter (Adapter Only, Battery & Tool Not Included)