Bosch 18 Volt 2 Pack 2 Amp Hour Lithium Power Tool Battery Engineered Flooring more power and fewer trips more power and fewer trips to the charger Say goodbye to worrying about spills 0 Ah in a lightweight 0 battery CoolPack Technology – keeps battery cooler for up to twice battery lifetime Single cell monitoring – maximizes the performance of each individual cell for longer runtime Electronic monitoring systems – protects both tool and battery for long tool life Integrated LED fuel gauge – displays battery's state of charge Cold weather operation – works in temperatures down to 4 ° F System compatibility – operates with all Bosch 18 V Lithium Ion tools and chargers as part of the Flexible Power System