Craftsman 19.2V Old Style Cordless Tools Are Compatible With Craftsman V20 New Features: The Adapter Compatible with Craftsman V20 NEW 20v (NOT OLD 20v) Slider Lithium Battery Pack. Only Fits Craftsman 19.2v C3 OLD Style Cordless Tools. Material: High-Quality ABS Mold Injection Production + 3D Print. Professional Compact Design and Easy Installation. For a long time don't use, please separate from the battery. The adapter doesn't support charging V20 batteries (please use the original charger) WARNING: Not Compatible with Craftsman OLD 20v Batteries. Not Compatible with Black Decker Any Batteries (Different PIN Order Size). 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 V20 battery. When you need to charge the battery, remove the converter Package Includes: 1*Adapter (Adapter Only, Battery Tool Not Included) Condition: High-Quality ABS Mold Injection Production + 3D Print. Adapter Install Battery Type: Compatible with Craftsman V20 NEW 20v (NOT OLD 20v) Slider Lithium Batteries. Run Tools Type# Only Fits Craftsman 19.2v C3 OLD Style Cordless Tools. Adapter Only Supports One-Way Conversion, Please Confirm The Correct Batteries Tools Type Before Ordering. The Adapter Doesn't Support Charging V20 Lithium Batteries (Please Use Original Charger).