The Greenworks 40V Cordless Lawn Mower is a battery powered push mower built for lawns up to about half an acre. It runs on a 40V 4.0Ah battery for up to 45 minutes per charge, with a 16 inch cutting deck and a five position height adjustment from 1.25 to 3.375 inches.
It includes a 2 in 1 mulching and rear bagging system and needs no gas, oil, or engine maintenance. One thing to plan around: runtime is tied to a single charge, so larger or denser lawns may need a second battery to finish without stopping.
Specifications
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Cutting Width: 16-inch deck
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Coverage: Lawns up to about ½ acre per charge
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Battery: 40V 4.0Ah lithium-ion, recharges fully in 2 hours
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Runtime: Up to 45 minutes per charge
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Height Adjustment: Five positions via single lever, 1.25 to 3.375 inches
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Clipping Management: 2-in-1 mulching and rear-bagging system
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Noise Level: Under 75dB during operation
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Warranty: 3-year coverage on the mower and battery
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What's Included: Mower, battery, fast charger, grass bag
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Battery Compatibility: Works across 75+ Greenworks 40V tools
Best Suited for Flat to Moderately Sloped Lawns Up to Half an Acre
If your lawn falls in the quarter acre to half acre range and is mostly flat, this mower's 16 inch deck and 45 minute runtime are sized to match it. You push it yourself since there's no self propulsion, so flat to gently sloped yards are the easiest fit. Lawns with steep grades or properties pushing past half an acre will ask more of a single battery and a single pass, so you may need to break the job into sections or add a second battery to cover everything in one trip out.
What to Expect from the Greenworks 40V Cordless Mower in Real Use
On lawns around a quarter to half an acre that are mostly flat, a single charge typically covers the entire yard in one pass, lasting close to the rated 35 to 45 minutes. The mower runs quietly enough that conversations and music stay audible nearby, and owners describe smooth, even cutting with no noticeable vibration.
Power stays consistent through the charge rather than tapering off as the battery drains, including when cutting through grass that has grown tall or gone overgrown between mows, though passes may need to overlap slightly in those thicker sections. The mulching function is regularly used and described as leaving fewer clumps than mowers without it, with the bagging option used less often.
Assembly is straightforward, with handles that click into place without shakiness, and starting is a single push of a button rather than a pull cord. The main limit owners point to is battery life on larger or non flat properties, where a second battery removes the need to stop and recharge mid mow.
Real-world performance notes sourced in part from verified Amazon customer purchases.
Frequently Asked Questions
Is the Greenworks 40V mower self-propelled?
No. This is a push mower, so you provide the forward motion rather than a self propelled drive system. Because the mower is lightweight, pushing it is manageable across flat to gently sloped yards, including tight turns around flower beds or other obstacles. If your property has significant slope or you're looking to reduce physical effort while mowing, a self propelled model would be a better fit than this one.
How does this mower handle thick or overgrown grass?
It can cut through grass that has grown taller than usual, including a first mow after a stretch of neglect, without stalling out. In denser or overgrown sections, you may need to overlap your mowing path slightly rather than relying on a single pass, since thicker grass takes more from the blade and motor.
Keeping the lawn mowed on a regular schedule, rather than letting it go several weeks between cuts, will give you the most consistent results from the cutting deck and height settings.
Can you switch between mulching and bagging while mowing?
Yes. The mower uses a 2 in 1 system, so you can mulch clippings back into the lawn or switch to the rear bagging attachment depending on what you want to do with the grass that day.
Mulching tends to break clippings down finely enough that you won't see clumps left behind, while bagging is useful if you'd rather collect and remove the clippings entirely, such as after a longer overdue mow with more volume to clear.
