The Bosch GBH18V-26K 18V EC Brushless 1" SDS-plus Bulldog Rotary Hammer Kit has a hammer that can deliver similar power to a corded hammer - with cordless convenience. The GBH18V-26K hammer was designed with an efficient EC Brushless motor, which offers 50 percent more impact energy and greater tool runtime than previous generation cordless hammers with brushes. The tool weighs only 7.7 lbs but delivers 1.9 ft-lbs of impact energy, for an outstanding impact to weight ratio. It also has KickBack Control, an integrated sensor to stop tool rotation in bind up situations. It has such advanced features as Electronic Precision Control, for smoother bit starts, Vibration Control, for extended user comfort, and Electronic Motor and Cell Protection, to avoid overheating and overload. It has an ergonomic L-Shaped design for easier horizontal drilling. This kit comes with two 18V 6.0 Ah FatPack batteries, an 18V fast charger (which can charge a spent 18V 6.0 Ah battery to 80% in 35 minutes and to 100% in 55 minutes) and a carrying case.