The M18 FUEL™ 21" (533mm) Self-Propelled Dual Battery Lawn Mower meets the performance, durability, and ergonomic needs of landscape maintenance professionals. The optimised steel deck design, paired with high blade speed allows the M18 FUEL™ 21" (533mm) Lawn Mower to achieve maximum airflow and increased lift, delivering ultimate cut quality in mulching, bagging, and side discharge applications. The POWERSTATE™ Brushless Motor delivers maximum torque to take on the most demanding mowing applications, such as thick, wet grass. REDLINK™ PLUS Intelligence provides total system communication between the tool and battery for maximum 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, increasing both user control and productivity. The lawn mower requires 2x M18™ REDLITHIUM™ Batteries for operation. When paired with 2x M18™ REDLITHIUM™ HIGH OUTPUT™ 12.0Ah Batteries (sold separately), the lawn mower delivers up to 60 minutes of runtime, allowing up to 2,000 m2 of cutting while removing 25 mm of grass at a 4.8 km/h self-propelled pace. With an infinitely variable self-propel speed dial, the lawn mower offers speeds between 0 - 6.4km/h, and the Active Speed Management Paddle allows user to easily adjust their walking pace in operation while maintaining complete control of the lawn mower. The M18 FUEL™ 21" (533 mm) Self-Propelled Dual Battery Lawn Mower features a steel deck, 3-in-1 grass management, single point height adjustment, front & side LED lights, vertical storage, two deck handles, and high lift mode, which allows the mower to tackle the most demanding applications. Equipped with a 21" (533mm) Mower Blade (49162734), the mower provides a true 21" (533mm) cut capacity, reducing missed blades of grass and clumping.