The Bosch GXL18V-225B24 18V Combo Kit provides cordless productivity and versatility. It includes two CORE18V batteries - the best-built battery on the planet - and two powerful tools. The IDH182 EC Brushless 1/4 In. and 1/2 In. Socket-Ready Impact Driver takes screwdriver bits and sockets, for an all-in-one tool with driving power - up to 1,650 In.-Lbs. of torque. The HDH183 1/2 In. Hammer Drill/Driver features KickBack Control, which reduces the risk of sudden tool reactions in binding conditions. It is engineered with an all-metal chuck and an EC Brushless motor delivering 663 In.-Lbs. of torque. Each CORE18V 6.3 Ah battery provides 80 percent more power than the previous-generation batteries, providing performance comparable to competitor batteries that are up to 35 percent larger. The included Bosch BC1880 18V Fast Charger can charge a spent CORE18V to 80 percent in 41 minutes. vs. leading power tool competitors.