DeWalt FlexVolt Battery 18 Volt to 54 Volt SKU: 294545 MODEL: DCB546-XE Error. try again later You've successfully joined the club $ 239 each Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Our innovative voltage-changing battery powers both 18 Volt and our groundbreaking 54 Volt XR tools, paving the way to the jobsite of the future. Features and benefits Operates at 54V on the Flexvolt tools. Automatically converts to operate at 18V on the 18V XR tool range.