Material Excellence: Material: Crafted using abs molds, our housing production boasts upgraded connecting tool pins for enhanced compatibility. the use of 14Awg high-temperature silicone wire. Professional Design: The product features a high-compatibility, professionally compact design, making it ideal for tools with limited installation space and unique structural types. It's important to note that due to certain tool space constraints, high-capacity batteries cannot be accommodated. Adapter Functionality: Upgraded for bauer 20v cordless tools, the adapter facilitates battery installation. it is compatible with dewalt 20v max slider-type batteries, providing power for bauer tools. Non-Charging Capability: The adapter serves solely for tool enhancement and does not support charging functions for deWalt batteries. Important Reminder: The adapter only supports one-way conversion, specifically upgrading for bauer 20v tools. it is not compatible with Hercules any tools. regarding battery installation, the adapter is exclusively compatible with dewalt 20v max slider lithium batteries and is not compatible with Black and Decker, Craftsman, or similar batteries. Usage & Installation: Due to the minimum voltage requirements of most tools, please ensure that your extended battery has sufficient charge before using the adapter to optimize its performance. During the installation process, when you hear the relevant latch system emit a 'click' sound, it indicates that the adapter is correctly installed. At this point, the adapter maintains a stable connection with the battery and the tool. What's in the Box? : You will receive 1x Adapter Only (Battery & Tool Not Included).