M18 FUEL 21" Self-Propelled Dual Battery Mower meets the performance, durability, and ergonomic needs of landscape maintenance professionals. The optimized steel deck design paired with higher blade speed allows our cordless electric lawn mower to achieve superior airflow and increased lift to deliver the best cut quality in mulching, bagging, and side discharge applications. The POWERSTATE Brushless Motor delivers more max torque than 200cc gas to take on the most demanding mowing applications. The REDLINK PLUS Intelligence has total system communication between the tool and battery for unmatched levels of performance, protection, and productivity. The advanced electronic package also delivers an instant throttle response on both the blade and drive motors to reach full throttle in under 1 second, which increases your control and productivity.