The M18™ FUEL™ 1-9/16 in SDS Max® rotary hammer is the first to world 18 V SDS Max® cordless solution. By utilizing proprietary M18™ and FUEL™ technologies, the 1-9/16 in SDS Max® rotary hammer is able to drill as fast as a corded SDS Max® rotary hammers, deliver corded durability and provide over 20 min of continuous chipping. POWERSTATE™ brushless motor delivers 5 ft-lb of impact energy for the more demanding, heavy duty applications. Including dry coring and medium duty chipping in both concrete block and reinforced concrete. Powered by the new M18™ REDLITHIUM™ HIGH DEMAND™ 9 Battery pack which delivers upto 5X more runtime, 35% more power and runs 60% cooler than standard Lithium-Ion batteries the 1-9/16 in SDS Max® rotary hammer delivers over 20 min of continuous chipping. It also includes REDLINK™ Plus™ intelligence, the most advanced electronic system on the market, to prevent damage to the tool and battery from overloading and overheating. The M18™ FUEL™ 1-9/16 in SDS Max® rotary hammer is part of Milwaukee® complete cordless rotary hammer solution, ranging from compact SDS Plus™ to SDS Max®, all powered by the M18™ REDLITHIUM™ battery system.