The M18 FUEL™ 1-9/16” SDS Max Rotary Hammer is the world's first 18V cordless SDS Max solution. By utilizing proprietary M18 FUEL™ technology, the 1-9/16” SDS Max Rotary Hammer can drill as fast as a corded SDS Max Rotary Hammer, deliver the same durability, and provide over 20 minutes of continuous chipping. The POWERSTATE™ Brushless Motor delivers 5 ft-lbs of impact energy for the most demanding heavy-duty applications. Including coring and medium-duty chipping in both block and reinforced concrete. Powered by an M18™ REDLITHIUM™ HIGH OUTPUT™ XC8.0 battery that delivers 5X more run-time, 35% more power, and 60% cooler operation than standard lithium-ion batteries, the 1-9/16” SDS Max Rotary Hammer allows for over 20 minutes of continuous chipping. It also includes REDLINK PLUS™ Intelligence, the most advanced electronic system on the market, to prevent overload and overheating of the tool and battery. 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.