DEWALT XR FLEXVOLT battery stands at the forefront of cordless technology World’s first convertible 18/54V battery, offering unprecedented levels of power Provides the unique ability to power even heavy duty construction power tools Completely backwards compatible with existing DEWALT XR 18V products Offers market-leading runtime in 18V products, with the option to amplify its voltage to power newly developed 54V heavy duty construction equipment DEWALT accompany this system with the revolutionary XR FLEXVOLT range: cordless, heavy duty construction power tools with all the power of corded