The Greenworks 80V 21-inch Walk-Behind Lawn Mower delivers the power of gas with the convenience of cordless. The brushless motor provides more power, longer runtime, and a longer motor life. This mower is ideal for yards up to 1 acre, featuring dual active battery ports and (2) 80V batteries (sold separately) that provide up to 70-minutes of runtime. The durable 21-inch deck is lightweight, resists corrosion. The mower features 7-position single point height adjustment to easily select your grass height. With the 3-in-1 mowing functions you can choose between bagging, mulching, or side discharge functions. 80V battery and charger sold separately. Backed by a 4-year warranty. Assembled product weight - 62 lbs.