4.0 Ah battery with extended runtime in the 18 V category COOLPACK 1.0 improves heat dissipation from the inside to the outside of the battery for longer lifetime and runtime Compatible since 2008: all of our batteries are compatible with new and existing Bosch Professional tools in the same voltage class AMPShare: Batterie e caricabatteria sono completamente compatibili con il Bosch Professional 18V System e con molti altri utensili del sistema di batterie condiviso multi-marchio AMPShare Scope of supply: 1x battery GBA 18V 4.0Ah, cardboard box