• Dual port charger chargers two batteries at the same time
• 9.0Ah flexvolt battery run time is more than 30% compare to 6.0Ah
• Flexvolt batteries work on both 54v and 18v DeWALT cordless tools

XR Flexvolt is a range of 54V power tools that offer runtime and performance that has never been seen before. This innovation means that you can have 54V power across a whole range of tools without the inconvenience of a cable. DeWALT XR Flexvolt is the only battery on the market that can switch from 54V to 18V, making it backward-compatible with your existing XR DeWALT power tools. Kit Contains: 18V/54V XR FLEXVOLT Dual Port Battery Charger 2x 18V/54V XR FLEXVOLT 9.0Ah Lithium-ion Battery