General description This Bosch GBH 18V-45C Professional SDS-Max Rotary Hammer features BITURBO brushless technology, delivering cordless freedom with corded performance. Its highly optimized drive train significantly reduces weight, making it lighter than comparable corded products, even with an attached ProCORE18V 12.0 Ah battery. This tool is ideal for drilling and chiseling in concrete, stone, rock, and brickwork. Technical specifications Impact energy: 12.5 Joules No Load Speed: 0-300/min Impact Rate: 0-2,740/bpm Drilling Diameter: Metal 13mm, Wood 30mm, Concrete with Hammer Drill Bits 12-45mm, Opt. app. range 20-40mm Weight: 10.2kg (including batteries) Tool Holder: SDS-Max Compatibility and accessories Compatible with all Bosch Professional 18V batteries, including ProCORE18V batteries and chargers (Professional 18V System) Also compatible with AMPShare, the multi-brand battery alliance Supplied with: 2 x 18V 12.0Ah ProCORE18V Li-ion Batteries 1 x GAL 18V-160 C Professional