General description This Bosch GBH 18V-45C Professional SDS-Max Rotary Hammer is a bare unit, meaning it does not come with a battery or charger. It features BITURBO brushless technology, providing cordless freedom with the performance of a corded tool. The optimized drive train significantly reduces weight, making it lighter than comparable corded products, even when using a ProCORE18V 12.0 Ah battery. The tool is equipped with KickBack Control to minimize hazards during operation, along with Soft Start technologies for enhanced precision while drilling and chiseling. Technical specifications Tool Holder: SDS-Max No Load Speed: 0-305/min Impact Rate: 0-2,760/bpm Impact Energy: 12.5 Joules (according to EPTA 05/2016) Drilling Diameter: Metal 13mm, Wood 30mm, Concrete with Hammer Drill Bits 12-45mm (Optimum application range 20-40mm) Weight: 8kg (excluding battery) Height: 266mm Length: 545mm Width: 131mm Power Source: Cordless Supply Voltage: 18V Compatibility and accessories