Features: This adapter converter enables seamless compatibility between 18V batteries (BAT609/BAT618/BAT619 models) and 20V power tools, allowing platform battery sharing for enhanced tool flexibility. Crafted from plastic with built in protective against overcharge, over discharge, and short circuits, this converter ensures safe power transmission between devices. Ideal for professional contractors and enthusiasts, eliminating the need for separate battery investments. Perfect for workshop projects, automotive repairs, and construction tasks where interchangeable power sources between drill and sanders operational efficiency. The adapter features easy installation, maintaining full ergonomic control of leveraging existing battery resources. Specifications: Component:ABS+Plastic Size:Approx.10x6cm/3.94x2.36inch Package Includes: 1Pc Power Tool Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.