For DeWalt 20V Battery Adapter: Compatible with DeWalt 20V 60V Battery. (Only adapter included, no battery) For Dewalt battery converter: convert for dewalt 20V 60V battery to be battery replacement for other power tools. Portable: You don't need take different batteries and chargers for various power tools. Only for dewalt battery with this battery adapter is enough. Easy to use: insert for dewalt battery into this battery adapter, then insert adapter into power tools, your for dewalt battery can work for other power tools. No matter what product problem, please enter the product details page and Click the "YMWLKJ" under the shopping cart, then click "Ask the question" to send message, we'd solve it right away. For DeWalt to for Craftsman Battery Adapter, Convert for dewalt 20V/60V battery to work for craftsman for V20 tools