The WORX Nitro 40V 21" cordless lawn mower is a powered-up solution to achieve a picture-perfect lawn with fewer hassles. With enhanced power that rivals gas mowers, you can mow without the emissions, loud noise, or costly maintenance of fuel. Outfitted with aerodeck technology, the WG752 push lawn mower boosts air volume within the cutting deck, which increases efficiency and enhances cut quality when compared to the previous WG751 model. This electric lawn mower is backed by a brushless motor 2.0, which runs 10% longer and delivers 40% more power than standard brushless motors. Thanks to Intellicut Technology, this lawn mower saves battery power for when you need it the most. It automatically picks up cutting speed to plow through thick grass, and slows down in less-dense areas to boost runtime. This walk-behind lawn mower runs on PowerShare batteries, compatible with 140+ WORX cordless tools, outdoor power and lifestyle products on the PowerShare platform. When powered with the included (2) 20V 5.0Ah PowerShare Pro, this electric lawn mower cordless delivers a max no-load runtime of 50 minutes runtime that is ideal for mowing yards up to ½ acre. Offering peak versatility, this 3-in-1 battery powered lawn mower supports bagging, mulching, and rear side-discharging. Use the included mulch plug and discharge chute to easily switch modes. Conveniently change cutting heights with single-lever height adjustment. It offers 7 height positions between 1.5" and 4". The fully collapsible handle allows for stand-up storage to save space in your garage or shed. You can also easily adjust the handle height to mow in the most comfortable position for you. And with the onboard charge-level indicator, you can always check the remaining battery power in a flash. Whatever your lawn's needs, you can rest assured this mower can handle tough conditions. It's high-strength polymer deck is lightweight, yet engineered to resist impact damage and corrosion to give you a longer-lasting product life.