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 impressive 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 Model: DCB546-XJ Usage Compatible with all existing 18V DEWALT power tools. Provides the power necessary for heavy-duty construction applications. Enables cordless operation without the inconvenience of trailing cables or bulky generators.