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 solution that combines portability with high power and runtime. Technical specifications Voltage: 18V / 54V Capacity: 9.0Ah Model: DCB547-XJ Usage Ideal for heavy-duty construction applications. Provides market-leading runtime in 18V products. Enables the use of cordless technology in applications previously reliant on mains power. Other information