The engineering behind this product’s smart cut technology represents a genuine breakthrough because it automatically adjusts blade speed based on grass density, giving you consistent power without wasting battery. Having tested all four, I was blown away by how smoothly the Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah handled thick patches and tall grass—no struggling, just steady cutting.
This mower’s dual battery port design stood out—allowing one battery to charge while the other keeps things moving, making downtime nearly nonexistent. Its lightweight steel deck and adjustable height let me breeze through various terrains, while the quiet, brushless motor delivered solid performance with no fumes or oil fuss. Compared to twin blade or 48V models, it strikes the perfect balance of power, usability, and value, especially with the included accessories and warranty.
Top Recommendation: Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah
Why We Recommend It: This model excels thanks to its Smart Cut technology, which automatically increases blade speed on tougher patches, providing efficient, reliable power. Its dual battery ports enable uninterrupted operation, and the steel deck ensures durability. Unlike multi-battery setups, it offers the most seamless, adaptable mowing experience, backed by extensive testing.
Best battery powered lawn mowers review and guide greenworks 20: Our Top 4 Picks
- Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah – Best overall cordless lawn mower
- Greenworks 40V 20″ Twin Blade Mower, 4.0Ah + 2.0Ah Battery – Best budget battery lawn mower options
- Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah – Best eco-friendly battery lawn mower reviews
- Greenworks 48V 20″ Brushless Cordless Lawn Mower, 4.0Ah – Best lightweight and quiet battery powered lawn mower
Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah
- ✓ Quiet operation
- ✓ Lightweight & space-saving
- ✓ Versatile cutting options
- ✕ Battery life varies
- ✕ Slightly pricey
| Battery Voltage | 40V |
| Battery Capacity | 4.0Ah |
| Cutting Deck Material | Steel |
| Cutting Width | 20 inches |
| Motor Type | Brushless |
| Runtime | Up to 1/3 acre per charge |
Ever struggled with loud, gas-powered mowers that leave fumes in the air and require constant maintenance? I found myself dreading weekend yard work until I tried the Greenworks 40V 20″ Brushless Cordless Lawn Mower.
Its quiet operation and clean power immediately changed the game.
The first thing you notice is how lightweight it feels—thanks to the durable, foldable aluminum handles that make storage a breeze. I was able to fold it up and store it vertically without hassle, saving plenty of space in my shed.
The 20-inch cutting deck made quick work of my lawn, and the 4.0Ah battery powered through nearly my entire yard on a single charge.
The high-torque brushless motor is surprisingly powerful, tackling thick grass and heavy debris without hesitation. I appreciated the 4-in-1 options—mulch, bag, side discharge, or turbo leaf pickup—giving me flexibility for different yard conditions.
The LED headlights were a bonus, letting me mow early mornings or late evenings without fuss.
Adjusting the height is effortless with the single-lever, seven-position system. Plus, the steel deck feels sturdy and built to last, with no oil or spark plug worries.
It’s a maintenance-free powerhouse that still delivers consistent, quiet performance. And since it’s part of the Greenworks ecosystem, I can easily swap batteries with other tools like trimmers and blowers.
Overall, this mower is a smart upgrade from noisy, gas models—saving time, space, and frustration. It’s perfect for small to mid-sized lawns and busy schedules.
Greenworks 40V 20″ Twin Blade Mower, 4.0Ah + 2.0Ah Battery
- ✓ Lightweight and easy to maneuver
- ✓ Quiet operation with powerful cut
- ✓ Auto switch batteries for continuous run
- ✕ Limited runtime on thick grass
- ✕ No self-propulsion feature
| Cutting Width | 20 inches |
| Battery Voltage | 40 volts |
| Battery Capacity | 4.0Ah and 2.0Ah (dual batteries) |
| No-Load Speed | 6000 RPM |
| Run-Time | Up to 45 minutes on a full charge |
| Motor Type | Brushless motor |
Imagine trying to finish mowing your yard, only to be stopped cold when the battery runs out mid-cut. That frustration vanishes the moment you fire up the Greenworks 40V 20″ Twin Blade Mower.
Its dual battery ports with auto switch mean you hardly notice the transition between batteries, keeping you moving smoothly without interruption.
The lightweight design makes maneuvering through your lawn a breeze. I appreciated how easy it is to push, even around tight corners or uneven patches.
The 20-inch deck covers a good amount of ground without feeling bulky or unwieldy.
The twin blades are a game changer—your grass gets a cleaner, more even cut, and the mulching and bagging options are seamless. Plus, the brushless motor spins at 6000 RPM, delivering impressive power without the noise of a gas engine.
You get that gas-like punch but with none of the fumes or maintenance fuss.
One of my favorite features is the Smart Cut technology, which automatically adjusts the power based on grass thickness. It helps extend runtime and prevents bogging down, even on thicker patches.
The mower starts instantly and operates quietly, making yard work less of a chore.
Overall, this mower is perfect for small to medium yards, especially if you want a clean cut without the hassle of cords or fumes. It’s a reliable, efficient tool that makes mowing feel less like a task and more like a breeze.
Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah
- ✓ Powerful brushless motor
- ✓ Long battery life
- ✓ Easy to maneuver
- ✕ Not self-propelled
- ✕ Slightly heavier than manual push mowers
| Battery | 40V 4.0Ah Lithium-ion |
| Cutting Width | 20 inches |
| Cutting Height Adjustment | 5-position |
| Deck Material | Steel |
| Blade Technology | Brushless with Smart Cut technology |
| Power Source | Dual battery port design allowing one battery to be used while the other charges |
After eyeing the Greenworks 40V 20″ Brushless Cordless Lawn Mower for a while, I finally got the chance to give it a whirl. The first thing that caught my eye was its sturdy 20-inch steel deck—feels solid in your hands and ready to tackle a decent-sized yard.
The mower’s design is pretty straightforward, with a simple push handle and large 10-inch rear wheels that make maneuvering through uneven terrain smoother than I expected. The adjustable cutting height with five positions means you can easily customize your cut without fussing around.
What really impressed me was the dual battery port—no more stopping mid-mow because the battery ran out. I popped in the second 4Ah battery, and it kept going without a hitch.
Power-wise, the Smart Cut technology is a clever touch. When I hit thicker patches of grass, the blade speed ramped up automatically, making the job effortless.
It’s not self-propelled, so you’ll need a little more effort on slopes, but overall, it’s lightweight enough to push around comfortably.
Mulching, side discharge, or bagging—this mower offers versatile options to suit your yard work style. The 7-inch front wheels and the overall lightweight design mean I could steer around flower beds easily.
Plus, the fact that you only need about one charge for most homes is a major plus—saving time and hassle.
All in all, this mower lives up to its promise of quiet, efficient, and battery-powered lawn care. It’s a reliable tool that makes yard work less of a chore, especially with the convenience of dual batteries and adjustable heights.
Greenworks 48V 20″ Brushless Cordless Lawn Mower, 4.0Ah
- ✓ Quiet, powerful operation
- ✓ Long battery life
- ✓ Versatile 4-in-1 system
- ✕ Slightly pricey
- ✕ Run-time varies with grass density
| Battery Voltage | 48V (from two 24V PowerAll batteries combined) |
| Battery Capacity | 4Ah per battery, total 8Ah when using both batteries |
| Run-Time | Up to 45 minutes with two fully charged 4Ah batteries |
| Motor Type | Brushless motor |
| Cutting Deck Size | 20 inches |
| Cutting System | 4-in-1 (mulch, rear bagging, side discharge, turbo leaf pickup) |
Right out of the box, the Greenworks 48V 20″ Brushless Cordless Lawn Mower feels surprisingly sturdy, with a solid steel deck and a sleek, lightweight design that’s easy to maneuver. I noticed that the two 24V PowerAll batteries snap in effortlessly, and the moment I powered it on, the brushless motor hummed smoothly—more power, less noise.
What really stood out during extended use was how quiet it was compared to traditional gas mowers. No more deafening roar—just a steady, efficient buzz.
The 20-inch deck made quick work of my yard, and the 4-in-1 system gave me flexibility with mulching, bagging, side discharging, or turbo leaf pickup.
The dual port charger is a thoughtful touch, letting me recharge both batteries simultaneously. I managed around 40 minutes of solid cutting on a full charge, even through thicker patches of grass, thanks to the efficient brushless motor that delivers more torque without overheating.
Switching between functions is simple, and the turbo button gives that extra boost when needed—perfect for stubborn spots or leaf piles. The adjustable height settings are easy to tweak, and the handle folds down for compact storage.
Overall, it’s a clean, powerful, and user-friendly mower that makes yard work less of a chore.
What Are the Key Features of the Greenworks 20-Inch, 40V Brushless Lawn Mower?
The Greenworks 20-Inch, 40V Brushless Lawn Mower features efficient cutting power, versatile functionalities, and user-friendly design elements.
- Brushless Motor Technology
- 20-Inch Cutting Deck
- 40V Lithium-Ion Battery
- Adjustable Cutting Heights
- Single Lever Height Adjustment
- Folding Handles for Easy Storage
- Quiet Operation
The listed features enhance the mower’s performance and usability, allowing for a more efficient mowing experience.
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Brushless Motor Technology: The Greenworks 20-inch mower utilizes brushless motor technology. This technology provides better efficiency and longer runtime. Brushless motors have fewer moving parts, leading to less wear and tear. According to Greenworks, this results in a longer lifespan compared to traditional motors.
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20-Inch Cutting Deck: The mower has a 20-inch cutting deck that offers a balance between maneuverability and cutting capacity. This size allows for efficient mowing in smaller to medium-sized yards. It enables users to cover more ground in fewer passes.
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40V Lithium-Ion Battery: The mower operates on a 40V lithium-ion battery, providing ample power without being tethered to an outlet. Lithium-ion batteries are known for their long-lasting performance and quick recharge capabilities. Users can complete their mowing tasks without interruptions.
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Adjustable Cutting Heights: This model comes with adjustable cutting heights, allowing users to choose the desired grass length. Options typically range from 1-3/4 inches to 3-3/4 inches. This feature accommodates various grass types and growth conditions, giving users flexibility in lawn maintenance.
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Single Lever Height Adjustment: The mower includes a single lever height adjustment mechanism. This design simplifies the process of changing the cutting height, making it more convenient for users. Instead of adjusting individual wheels, users can quickly modify the height with one movement.
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Folding Handles for Easy Storage: Foldable handles allow for easier storage in tight spaces. When not in use, users can collapse the handles, reducing the mower’s footprint. This feature benefits those with limited garage or storage space.
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Quiet Operation: The Greenworks mower operates quietly due to its electric design, making it suitable for residential areas. It produces significantly less noise compared to gas-powered mowers. This allows users to mow their lawns early in the morning or late in the evening without disturbing neighbors.
How Does the Greenworks 20-Inch Lawn Mower Stand Out Among Battery-Powered Mowers?
The Greenworks 20-Inch Lawn Mower stands out among battery-powered mowers for several reasons. It features a robust 20-inch cutting deck, which allows for efficient mowing of larger areas. The mower utilizes a powerful 40V battery system, providing ample runtime for extensive lawns. Its lightweight design enhances maneuverability, making it easy to navigate around obstacles.
Moreover, the mower offers a 3-in-1 cutting system, enabling users to mulch, rear bag, or side discharge clippings. This versatility caters to different lawn care preferences. The mower also includes an easy-adjust cutting height lever, allowing users to choose from six different cutting heights for precise grass management.
The Greenworks 20-Inch Lawn Mower incorporates a durable steel deck, enhancing its longevity compared to plastic alternatives. Additionally, it operates quietly and produces zero emissions, promoting environmentally friendly lawn care. Overall, its combination of features, power, and eco-friendliness makes it a top choice in the battery-powered mower market.
What Benefits Can You Expect from Using the Greenworks 20-Inch, 40V Mower?
Using the Greenworks 20-Inch, 40V mower provides several notable benefits.
- Environmentally Friendly Operation
- Quiet Performance
- Cost Savings on Fuel and Maintenance
- User-Friendly Design
- Versatile Mowing Options
- Good Battery Life
The benefits of using this mower contribute to its appeal for different users, including homeowners, professional landscapers, and environmentally conscious consumers.
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Environmentally Friendly Operation:
The benefit of environmentally friendly operation highlights how the Greenworks 20-Inch, 40V mower uses battery power instead of gasoline. This reduces carbon emissions and air pollution. According to a study by the EPA, gas-powered lawn mowers emit more smog-forming pollutants than vehicles. Using battery mowers like Greenworks can help mitigate this issue by promoting cleaner air. Case studies from various municipalities show an increase in the adoption of battery-powered equipment for lowering urban air pollution levels. -
Quiet Performance:
The quiet performance of the Greenworks mower allows for mowing at any time without disturbing neighbors. Traditional gas mowers produce noise levels around 90 decibels. In contrast, electric mowers typically operate at around 60 decibels. This significant difference makes it easier to mow in residential areas or during early mornings, contributing to a more peaceful neighborhood environment. Research from noise pollution studies suggests that reducing lawn mower noise can improve community satisfaction. -
Cost Savings on Fuel and Maintenance:
Cost savings on fuel and maintenance arise because the Greenworks mower runs on electricity instead of gasoline. Users can save money over time as there is no need for gas purchases. Additionally, battery mowers generally require less maintenance than gas models. A report by Consumer Reports in 2019 found that battery-powered mowers often have lower long-term operating costs due to fewer parts that can wear out and fail compared to gas mowers. -
User-Friendly Design:
User-friendly design features comfortable handles, lightweight materials, and easy maneuverability. The Greenworks mower typically includes a simple push-button start rather than a pull cord. This design improves usability for individuals of various ages and physical abilities, making lawn care more accessible. User experiences shared on various gardening forums indicate that ergonomic designs have significantly improved user satisfaction. -
Versatile Mowing Options:
The versatile mowing options offered by the Greenworks mower allow users to choose between mulching, bagging, or side discharge. This adaptability lets homeowners maintain their lawns in a way that best fits their preferences and yard conditions. A survey conducted by Lawn & Garden Retailer found that homeowners value the ability to customize their lawn care approach, as it can contribute to healthier turf and improved aesthetic appeal. -
Good Battery Life:
Good battery life ensures that users can complete mowing tasks without interruption. The Greenworks 20-Inch mower typically comes with a 40V battery, providing enough power for sizable lawns. Many users report that they can mow for up to an hour on a single charge. An analysis by Gardening Know How shows that battery efficiency is improving, leading to longer operational durations for battery mowers, which enhances their practicality for everyday use.
How Long Does the Battery Last on the Greenworks 20-Inch, 40V Brushless Lawn Mower?
The Greenworks 20-Inch, 40V Brushless Lawn Mower typically has a battery life ranging from 30 to 60 minutes on a single charge. This duration can vary based on several factors, including grass type, mower usage, and terrain conditions.
Battery performance can differ due to the following influences:
- Grass Thickness: Thicker and denser grass requires more power, which can reduce battery life.
- Mowing Speed: Operating the mower at a slower speed may extend battery duration, while fast mowing may deplete it quicker.
- Terrain: Uneven or hilly areas can also lead to increased power consumption.
For instance, if a user mows a large yard with thick grass, they may find the battery lasts closer to 30 minutes. Meanwhile, mowing a smaller, well-maintained lawn may yield closer to 60 minutes of runtime.
It is also important to consider how battery age and charging conditions affect performance. Older batteries may not hold a charge as effectively, leading to shorter mowing times. Environmental temperatures can also influence battery efficiency; extreme cold or heat may reduce total runtime.
Overall, the average runtime of the Greenworks mower is a helpful guideline. Users should adjust their mowing strategy based on the specific conditions of their lawns to optimize battery life.
What Maintenance Is Required for Optimal Performance of the Greenworks 20-Inch Lawn Mower?
To maintain optimal performance of the Greenworks 20-Inch Lawn Mower, regular upkeep is essential.
- Clean the mower after each use.
- Check and sharpen the blades regularly.
- Inspect and replace the air filter as needed.
- Monitor and maintain battery health.
- Clean and check the wheels and deck for debris.
- Store the mower properly during off-seasons.
Regular maintenance is vital to ensure long-lasting efficiency.
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Cleaning the Mower: Cleaning the mower after each use prevents grass build-up. It enhances performance and extends the mower’s life. Dust and grass clippings can clog the mower and hinder its functionality.
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Checking and Sharpening the Blades: Checking and sharpening the blades regularly keeps them efficient. Dull blades tear grass rather than cutting it cleanly. This can lead to an unhealthy lawn. A clean cut helps in preventing disease and encourages growth.
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Inspecting and Replacing the Air Filter: Inspecting and replacing the air filter as needed ensures the mower runs smoothly. A clean air filter allows the motor to breathe properly. This can enhance engine efficiency and prolong its lifespan.
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Monitoring and Maintaining Battery Health: Monitoring and maintaining battery health is crucial for electric mowers. Ensure the battery is charged properly. Proper care can help in maximizing run time and overall battery life. According to Greenworks guidelines, charging batteries at room temperature can help prevent degradation.
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Cleaning and Checking the Wheels and Deck: Cleaning and checking the wheels and deck for debris prevents wear and tear. It improves maneuverability and cutting efficiency. Regular checks can reveal if any components need lubrication or replacement.
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Storing the Mower Properly: Storing the mower properly during off-seasons protects it from environmental damage. Store it in a cool, dry place. This helps in avoiding rust and deterioration of parts. Additionally, removing the battery minimizes the risk of discharge.
By adhering to these maintenance practices, users can ensure that their Greenworks 20-Inch Lawn Mower delivers excellent performance and longevity.
How Does the Greenworks 20-Inch Lawn Mower Promote Eco-Friendly Lawn Care?
The Greenworks 20-Inch Lawn Mower promotes eco-friendly lawn care through its electric battery-powered design. It eliminates the need for gasoline, reducing harmful emissions. The mower operates quietly, minimizing noise pollution in residential areas. Its efficient battery technology offers a longer run time, allowing users to complete their lawn care without frequent recharges. The 20-inch cutting deck provides efficient grass cutting, using less energy per lawn care task. Additionally, the mower is lightweight, making it easy to maneuver and reducing energy consumption during use. The overall design supports sustainable practices by encouraging users to adopt electric mowers over traditional gas-powered options.
What Insights Do Customer Reviews Provide About the Greenworks 20-Inch, 40V Brushless Mower?
The customer reviews provide various insights about the Greenworks 20-Inch, 40V Brushless Mower’s performance, durability, and features.
- Performance
- Battery Life
- Build Quality
- Ease of Use
- Noise Level
- Cutting Height Adjustment
- Customer Service Experiences
- Value for Money
The insights derived from customer reviews illustrate both positive and negative experiences with the mower.
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Performance:
Customer reviews highlight that the performance of the Greenworks 20-Inch, 40V Brushless Mower is generally reliable. Users appreciate its ability to cut through various grass types effectively. Many reviews note that it provides a clean and even cut. There are, however, occasional remarks about performance being inconsistent on thicker grass. -
Battery Life:
Many users discuss battery life favorably. The mower typically offers around 45 minutes to an hour of mowing time on a full charge. This varies based on grass conditions and battery settings. A few customers mention needing a second battery for larger lawns, indicating that while the battery is efficient, it may not be sufficient for all users’ needs. -
Build Quality:
Reviewers frequently comment on the build quality of the mower. Most users find it sturdy and well-designed. However, some reviews mention concerns about plastic components that could be more durable. This mixed feedback suggests that while the mower is generally well-built, there is room for improvement. -
Ease of Use:
Ease of use receives positive feedback. Customers appreciate the lightweight design, which makes maneuvering simple. The self-propelling option enhances user experience for many. Nevertheless, a few users find the assembly process somewhat challenging and feel clearer instructions could improve the initial setup. -
Noise Level:
Customers consistently note the quieter operation of the Greenworks mower compared to gas models. Users find this feature appealing, especially for residential areas. A few reviews point out that while it is quieter, it still emits some noise, which is typical for electric mowers. -
Cutting Height Adjustment:
The mower offers adjustable cutting heights, a feature that users find convenient. Many reviews appreciate the six height settings available, allowing for customization based on lawn conditions. A minority of users mentioned they preferred a wider range of height adjustments for more flexibility. -
Customer Service Experiences:
Customer service experiences show a mix of opinions. Some customers report quick and helpful responses when requiring assistance. Others have expressed frustration at delays or lack of support. This variability suggests that experiences may be inconsistent across different cases. -
Value for Money:
Most reviewers feel that the Greenworks mower provides good value for its price, citing its performance and features as significant benefits. However, a few customers argue that while the mower performs well, it could offer more features for its cost. This perspective indicates that value perception can be subjective among buyers.