Features: For Milwaukee XC/M18 RED Lithium Battery Pack Only Suitable for Craftsman V20 Platform Cordless Tools (WARNING: Not Compatible with Craftsman OLD 20V Tools) Professional compact design and easy installation. For a long time don't use, please separate from the battery. Adapter doesn't support charging for XC/M18 RED lithium batteries (please use the original charger) WARNING: Not Compatible with Milwaukee V18 OLD Battery (Different PIN Sorting) Make sure that the battery is fully inserted for normal use Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong This product is only compatible with the tools, not compatible with the charger, Don't use the adapter to charge the battery When you need to charge the battery, remove the converter Package Includes: 1*Adapter (Adapter Only, Battery & Tool Not Included)