General description DeWalt DCB547 18V/54V XR Flexvolt batteries are the world's first convertible power tool battery packs, designed to deliver unprecedented levels of power. This twin pack features two 9.0Ah batteries that can switch between 18V and 54V, making them compatible with all 18V XR and 54V XR Flexvolt tools. The innovative design allows for superior performance on new XR Flexvolt power tools while providing extended runtime on traditional XR power tools. Technical specifications Voltage: 18V / 54V Battery Capacity: 9.0Ah Usage These batteries are ideal for powering heavy-duty construction tools, offering the unique ability to operate at 54V for demanding applications while remaining backward-compatible with existing 18V DEWALT products. Users can run two batteries simultaneously for a powerful 108V output, enhancing the performance of cordless kits. Other information