Description: Just the squeeze of a lever engages the STIHL® RMA 510 V battery-powered lawn mowers efficiency-driven performance, helping reduce fatigue commonly caused by traditional push mowers. A 21-inch steel mowing deck with a 20-inch cutting width makes the RMA 510 V highly maneuverable and able to quickly cover small-to-medium size yards. The mowers self-propel function features a variable-speed setting control, allowing choices of mowing speeds between 0.6 mph and 2.8 mph. With the 36-volt STIHL® AP 300 S battery, the RMA 510 V can mow up to 3,078 square feet On A Single Charge.* With battery, enjoy instant starting, low noise, zero gasoline costs, and zero exhaust emissions. For added convenience and customization, the deck of the RMA 510 V is adjustable to seven different cutting heights, and the handlebar adjusts to three height positions. Durable, ten-inch rear wheels and eight-inch front ball-bearing wheels allow for mowing over rough terrain. *Run time may vary based on battery type, charge level and capacity, model, operating style, and conditions. Batteries and chargers can be purchased separately or as a combined set with tool. Features: Self-Propelled The self-propel function features a variable-speed setting control, reducing user fatigue by offering choices of mowing speeds. 21-Inch Steel Mowing Deck Users can trust that the steel mowing deck will provide more durability than a plastic alternative. Convenient Handle Not only is the handlebar easily adjustable for user comfort, it also folds, making it easy to transport and store the mower. Brushless Motor The brushless motor maximizes energy efficiency and requires virtually no maintenance, optimizing the life of the tool. Ball Bearing Wheels The sealed ball bearing wheels are designed for long life. Multiple Storage Options The mower can be stowed in three positions: folded on all four wheels, unfolded on all four wheels, or upright and folded in the cleaning position with blades facing the wall to save floor space. Battery Life With no gradual drop in power, users can work at full speed until the battery is depleted On A Single Charge. Power Switch Just push the button and pull the switch lever for instant startup. Locking Key Key prevents accidental starting of the motor. Specifications: Power:AP System Battery Cutting:20" width (21" deck) Height Adjustment:1"-3.9" (7 positions) Blade Speed:3,200 RPM Weight:63.9 lbs (67.9 lbs with battery) Grass Bag:19.8 gallon capacity Coverage:3,078 sq ft per charge Self-Propelled:Yes table { width: 100%; border-collapse: collapse; text-align: center; border: 1px solid black } td, th { border: 1px solid #dddddd; padding: 8px; } Width Weight Height Length 0Inch 67.9Pounds 0Inch 0Inch