General description Dewalt DCB546 FLEXVOLT Battery features XR technology that is fully convertible between 18V and 54V. This battery is backwards compatible with existing 18V DEWALT products while providing the option to amplify voltage to an unprecedented 54V at 6Ah, making it ideal for larger, more powerful construction power tools. The DEWALT XR FLEXVOLT system eliminates the limitations of traditional cordless systems, offering a reliable solution for heavy-duty applications without the need for mains power. Technical specifications Voltage: 18V / 54V Capacity: 6.0Ah Usage Provides the unique ability to power heavy-duty construction power tools. Offers market-leading runtime in 18V products. Allows for cordless operation without the inconvenience of trailing power cables. Other information