Battery Adapter for Dewalt & Milwaukee to Ryobi 18V Tools with USB Port

Convert your Dewalt 20V or Milwaukee 18V lithium-ion batteries for use with Ryobi ONE+ 18V power tools. Features a built-in USB port (5V, 2.1A) for charging devices on the go. Includes short circuit, overcurrent, and overvoltage protection. Made from durable ABS material for reliable everyday use.