Adapter for Kobalt 24v Max batteries compatible with DeWalt 20v Max Tools Not compatible with job site radio, job site fan, inverter, hybrid (plug in) tools, or other tools with sensitive electronics. Only compatible with DeWalt tools that have 4 pins. Not compatible with most outdoor power tools. Designed, created, and assembled in the USA with USA made materials. Adapter shell is 3D printed from a TPU blend for durability and impact resistance. Listing is for battery adapter only. Kobalt battery and DeWalt tool not included. Low profile adapter for Kobalt 24 volt Max batteries compatible with DeWalt 20 volt Max tools.