COOLPACK 1.0 improves heat dissipation from the inside to the outside of the battery for longer lifetime and runtime Compatible with all tools and chargers of the Bosch Professional 18V System and the AMPShare Alliance Higher battery capacity enables 25% more runtime than the 18V 4.0 Ah Professional model 5.0 Ah battery with longer runtime in the 18V category Scope of supply: Cardboard box;1 x battery GBA 18V 5.0Ah (1 600 A00 2U5), Weight: 1.3668660244 pounds, Manufacturer: Bosch