Features: Suitable For Craftsman V20 Slider Lithium Battery Pack (Not Compatible with Craftsman OLD 20v Battery). Only Fits DeWalt 20v MAX Platform Cordless Tools. Professional compact design, Built-in removal tool release switch. Make full use of your V20 battery to extend for DeWalt 20v tools work efficiency and reduce downtime adapter doesn't support charging for Craftsman V20 MAX batteries (please use the original charger) WARNING: Not Compatible with DeWalt 18v Ni-CD Tools and Craftsman OLD 20v Battery (different pin sorting & size). 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: 1*Adapter (Adapter Only, Tool & Battery Not Included)