DeWALT DCB548-XJ is a high capacity lithium-ion battery pack which is suitable for all 18 volt XR and 54 volt XR Flexvolt systems. DeWALT 54 volt Flexvolt is the new DeWALT dual voltage system.
A 54 volt Tool can only use 54 volt batteries, however your new DeWALT 54 volt Flexvolt battery is fully compatible with all DeWALT 18 volt Li-ion Power Tools as it is capable of stepping into 18 volt mode for this purpose.
Voltage steps up to 54 volt to power Flexvolt tools
High capacity 22 mm battery cells for longer runtime without increasing size or weight
216Wh of energy
Compatible with all DeWALT XR 18 volt and Flexvolt 54 volt cordless power tools
State of Charge indicator allows instant verification of remaining charge in the battery