Describe:: Fits for ryobi 18v one+ platform cordless tools. Works on ridgid 18v Series Batteries.(not compatible with ridgid 18v advanced batteries) The adapter does not support the charging function for Ridgdid 18v batteries (please use the original charger). Close-fitting & compact design, 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 Ridgid 18v Advanced Batteries (Different PIN Sorting) Make sure that the battery is fully inserted for normal use The adapter does not support the charging function for Ridgdid 18v batteries Package Includes: 1xAdapter (Adapter Only, Battery & Tool Not Included)