The Milwaukee 18V M18 FUEL Lithium-Ion Brushless Cordless 1-9/16" SDS Max Hammer Drill Kit 8.0 Ah (2717-22HD) is the first to world 18V SDS Max cordless solution. By utilizing proprietary M18 FUEL™ technology, the 1-9/16” SDS Max rotary hammer is able to drill as fast as a corded SDS Max rotary hammers, deliver corded durability, and provide over 20 minutes of continuous chipping. POWERSTATE™ Brushless Motor delivers 5 ft-lbs 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 M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 battery pack which delivers up to 5X more run-time, 35% more power and runs 60% cooler than standard lithium-ion batteries, the 1-9/16” SDS Max rotary hammer delivers over 20 minutes 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” SDS Max Rotary Hammer is part of Milwaukee®’s complete cordless rotary hammer solution, ranging from Compact SDS Plus to SDS Max, all powered by the M18™ REDLITHIUM™ battery system.