The M18 FUEL 1-9/16 SDS Max Rotary Hammer is the first to world 18V SDS Max cordless solution. By utilizing proprietary M18 and FUEL technologies, 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 new M18 REDLITHIUM HIGH DEMAND 9.0 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. Milwaukee® POWERSTATE Brushless Motor provides more power, more run-time, and longer life. The Milwaukee® REDLITHIUM Battery Pack is the most durable pack on the market delivering more run-time, power and longer battery life. REDLINK PLUS Electronic Intelligence enables advanced communication between your batteries and tools, allowing for unmatched levels of performance, protection, and productivity.