Bosch 18 Volt 2 Pack 2 Amp Hour Lithium Power Tool Battery Ceramic Cove Base Variable speed trigger with lock for Variable speed trigger with lock for continuous running Pair it with neutral tones and soft furnishings to create a serene and inviting atmosphere 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 0 Ah in a lightweight 0