Cordless impact driver GDR 18 V-LI, The first 18-volt impact driver with flexible battery system, Unique choice between the “Premium” (longer battery runtime) and “Compact” (less weight for even more comfortable work) batteries, High torque and high impact rate (3,200 bpm) for fast work progress when driving screws in metal (up to M 14) and wood, Very short design for perfect handling, even in the tightest spaces and overhead, Unique Bosch Premium lithium-ion technology for unbeatable battery runtime, Bosch Electronic Cell Protection (ECP): protects the battery against overload, overheating and total discharge, Practical battery charge level indicator constantly shows how much energy is left in the battery, Solo Version