Bosch GBH 180-LI cordless hammer drill

2-speed planetary gearbox with optimized torque for screwdriving and optimal speed for drilling holes Minimum weight: only 1.5 kg for maximum ease of use and fatigue-free Bosch Electronic Cell Protection (ECP): battery overload, overheating and deep protection system discharge No memory effect: the battery can be charged regardless of its charge level without damage to the cells No power loss: the battery capacity remains unchanged from the beginning to the end Minimum self discharge: A fully charged battery is ready for use, even if it has not been used for several months. Auto-Lock drill chuck for bits and 13 mm drills with high clamping force. 25 + 1 torque control ring: progressively increasing torque ensures fine tuning. when screwing screws of any size