DeWalt DCB546-XJ 18v 54v XR 6Ah Li-ion FlexVolt Battery Pack Genuine The DEWALT 18V/54V 6Ah Li-Ion XR Flexvolt Convertible Battery is an extremely powerful product that will allow you to get the most out of your cordless power tools. The DCB546 is the world’s first 18/54V convertible battery pack system and delivers unprecedented levels of power. With it, DEWALT have opened up the possibility of making even the most heavy-duty construction tools cordless. Being compatible with all existing 18V XR chargers, 18V XR tools and 54V XR FLEXTOOLS also means that you do not need to invest in more equipment to use the DCB546. Sold as a single unit. Voltage Max - 54 V Voltage Min - 18 V Weight - 1.46kg Battery Capacity - 6/2Ah Length - 125mm Width - 85mm Height - 90mm