The MILWAUKEE® M18 FUEL™ 1-9/16" SDS Max Rotary Hammer is the first to world 18V SDS Max cordless solution. By utilizing proprietary M18™ and M18 FUEL™ techNlogies, the 1-9/16" SDS Max rotary hammer is able to drill as fast as a corded SDS Max rotary hammer, 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 provides 50% more power and runs 50% cooler compared to M18™ REDLITHIUM™ XC battery packs, 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 SDS Plus to SDS Max, all powered by the M18™ REDLITHIUM™ batteries.