For Dewalt DCB series 18V/20V potassium battery to For Dewalt 12V battery tool converter Product model:For Dewalt 18V to For Dewalt 12V The For Dewalt / Milwaukee 18V/20V battery is converted to the For Dewalt 12V battery tool. Through this converter, you can use the For Milwaukee / Dewalt DCB series 18V/20V battery on the For Dewalt 12V battery tool, allowing your For Milwaukee /Dewalt DCB series 18V/20V Lithium lon battery to share the battery with the For Dewalt 12V Lithium lon battery tool This converter does not support charging For Dewalt DCB series 18V/20V Lithium lon batteries through the converter! Notice: Can not be used for power tool battery charging, this adapter will not fit into any chargers. If you need to charge your power tool batteries ,please use the old battery chargers. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Batch to batch The color of the text on the product label is random Does not affect normal use Colour:Black Material:Plastic Package Contents: 1 x Battery Adapter(Batteries not included) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.