General description Dewalt's 18V / 54V XR FLEXVOLT Twin Pack includes the DCB547 and DCB546 batteries, featuring advanced XR technology that allows for full conversion between 18V and 54V. These batteries are backward compatible with existing 18V DEWALT products while providing the option to boost voltage to an impressive 54V, making them ideal for larger, more powerful construction tools. The XR FLEXVOLT system eliminates the compromises typically associated with cordless power tools, offering unmatched runtime and performance for heavy-duty applications. Technical specifications Battery types: DCB547 (9.0Ah), DCB546 (6.0Ah) Voltage: 18V / 54V convertible Usage Ideal for heavy-duty construction applications Compatible with existing DEWALT XR 18V power tools Provides the power of corded tools with the freedom of cordless Other information