Features: 【Power Conversion】: Specifically designed for Bauer 20V cordless tools, this adapter is compatible with DeWalt or Hercules 20V batteries to provide power to Bauer 20V tools. 【No Charging Function】: This adapter is designed solely for powering tools and does not support charging functions for DeWalt and Hercules batteries. 【Easy Installation and Usage】: Featuring a dual concave slot and an all-in-one, 2-in-1 design, this adapter can accommodate two different types of batteries. For DeWalt batteries, ensure it is fully inserted for a secure connection and full functionality. 【What's in the Box?】: 1x Adapter Only (Battery & Tool Not Included)