General description Dewalt DCB547 FLEXVOLT Battery features XR technology that allows it to be 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, 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: 9.0Ah Usage Ideal for heavy-duty construction applications Provides market-leading runtime in 18V products Enables the use of cordless technology in previously impossible heavy-duty tasks Other information