Features: Suitable For Milwaukee XC/M18 RED Lithium Batteries Pack (Not Compatible with Milwaukee V18 Battery). Fits For RIDGID 18v Cordless Tools (WARNING: Not Compatible with RIDGID 18v Advanced Tools). Professional compact design, Built-in removal tool release switch. High-quality durable copper connection pin, Let your tools work easily and continuously. The adapter doesn't support charging for M18 batteries (please use the original charger) WARNING: Not Compatible with RIDGID 18v Advanced Tools and Milwaukee V18 Batteries. The adapter does not support the reverse charging function, please use the original charger Make sure that the battery is fully inserted for normal use When you need to charge the battery, remove the converter; Package Includes: 1xAdapter (Adapter Only, Tool & Battery Not Included)