Features: The Adapter Compatible with Milwaukee 18v XC/M18 RED Lithium Battery Pack (Not Compatible with V18 Battery). Only Fits Porter Cable 20v MAX System Cordless Lithium Tools (WARNING: Not Compatible with 18V Tools) High Quality ABS Mold Injection Production. Professional Compact Design and Easy Installation. For a long time don't use, please separate from the battery. The adapter doesn't support charging M18 lithium batteries (please use the original charger) WARNING: Not Compatible with Porter Cable 18v Tools and V18 Battery. 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 Only Compatible with the tools, Not compatible with the charger, Don't use the adapter to charge the M18 battery. When you need to charge the battery, remove the converter Package Includes: 1*Adapter (Adapter Only, Battery & Tool Not Included)