The RYOBI 40V HP Brushless 21" Self-Propelled Mower delivers more power than a 163cc gas mower, making it a true gas replacement. Dual active battery ports and (2) included 40V 6Ah lithium batteries give you up to 70 minutes of runtime for easily tackling up to 3/4 acre. El motor sin escobillas y su electrónica de vanguardia automáticamente reaccionan a las condiciones del corte: incrementan la velocidad de la hoja para eliminar los atascamientos y aumentan la potencia durante los cortes más duros. Equipped with self-propelled rear wheel drive, this mower ensures an effortless, efficient mowing experience. The 21” durable polypropylene deck is lightweight, resists corrosion, and is covered by a lifetime warranty. When you are finished, easily fold the handles and store vertically for compact storage. Y lo mejor de todo, forma parte del sistema RYOBI de 40 V, donde cualquier batería de 40 V funciona con cualquier producto de 40 V. This mower is backed by the RYOBI 5-Year Manufacturer's Tool Warranty, 3-Year Manufacturer’s Battery Warranty, and includes RY401014 40V HP Brushless 21" Self-Propelled Mower, (2) OP40605 40V 6Ah Lithium Batteries, OP406 40V Rapid Charger, Grass Catcher Bag, Start Key, Mulch Plug, Side Discharge Chute, and Operator's Manuals.