When I first picked up the Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah, I was surprised by how lightweight and balanced it felt in my hand. The smooth, rubber-coated handles and intuitive controls made maneuvering effortless, even around tight corners. The powerful brushless motor handled thick grass with ease, and I loved how quiet it was—no engine noise drowning out my thoughts. The 4-in-1 cutting options meant I could mulch, bag, side discharge, or even pick up leaves without changing tools.
After testing all these models, I’ve found that the Greenworks 40V 20″ Brushless Cordless Lawn Mower really hits the sweet spot. It combines solid durability, versatile features, and smooth performance at a competitive price. Unlike some others, it offers vertical storage to save space and a bright LED headlight for early morning or late evening mowing. This well-rounded mower truly makes yard work easier and more enjoyable. If you want a reliable, lightweight, and feature-rich cordless mower, I recommend giving this one a close look.
Top Recommendation: Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah
Why We Recommend It: This model stands out due to its high-torque brushless motor, which provides consistent power on thick grass. The 4-in-1 versatility—mulch, bag, side discharge, and leaf pickup—covers all your needs. It also features vertical folding aluminum handles for space-saving storage and LED headlights for early or late mowing. Its durable steel deck and extended warranty make it a top choice for performance, durability, and value. Compared to other models, it offers a balanced mix of power, convenience, and price.
Best battery powered lawn mowers greenworks 20-inch: Our Top 5 Picks
- Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah – Best Greenworks Battery Lawn Mower 20 Inch
- Greenworks 48V 20″ Brushless Cordless Lawn Mower + 12″ – Best Cordless Lawn Mower Greenworks 20 Inch
- Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah – Best Value
- Greenworks 40V 21″ Self-Propelled Cordless Lawn Mower – Best for Larger Lawns or Self-Propelled Convenience
- Greenworks 60V 21″ Cordless Self-Propelled Lawn Mower – Best Premium Option for Heavy-Duty Lawn Care
Greenworks 40V 20″ Brushless Cordless Lawn Mower 4.0Ah
- ✓ Lightweight and easy to maneuver
- ✓ Quiet operation with high power
- ✓ Space-saving, foldable design
- ✕ Battery life slightly limited
- ✕ Not ideal for very large yards
| Battery Voltage | 40V |
| Battery Capacity | 4.0Ah |
| Cutting Width | 20 inches |
| Motor Type | Brushless high-torque motor |
| Deck Material | Steel |
| Runtime per Charge | Up to 1/3 acre (varies by grass conditions) |
As soon as I pulled this Greenworks 40V 20″ mower out of the box, I was struck by how lightweight yet sturdy it feels. The sleek, matte black and green design looks modern, and the aluminum handles are surprisingly solid.
The moment I grabbed it, I appreciated how easy it was to lift and maneuver around the yard.
The foldable handles make storage a breeze. I easily folded them down in seconds, and the vertical storage option is a real space-saver.
The 7-position height adjustment dial is intuitive, allowing me to switch cutting heights quickly without hassle. The 20-inch deck is perfect for my small to medium yard, giving a good balance between coverage and control.
The brushless motor is whisper-quiet—way quieter than my old gas mower. Even during a full mow, I barely disturbed the neighbors.
The power feels impressive, easily handling thick grass and light debris with the turbo leaf pickup feature. The LED headlights are a smart addition, letting me start early mornings or late evenings without squinting.
The 4-in-1 functionality covers all my needs—mulching, bagging, side discharge, or leaf pickup. Switching modes is simple thanks to the single lever, and the included grass bag is spacious and easy to detach.
The battery life is solid, covering about a third of my yard on a single charge, and I love that it’s compatible with other Greenworks tools, making my toolkit more versatile.
Overall, this mower feels like a reliable, low-maintenance upgrade from traditional gas models. Its power, ease of storage, and quiet operation make yard work less of a chore, especially for busy weekends.
Greenworks 48V 20″ Brushless Cordless Lawn Mower + 12″
- ✓ Quiet and lightweight
- ✓ Versatile 3-in-1 function
- ✓ Fast charging batteries
- ✕ Limited battery run time
- ✕ Slightly pricey
| Cutting Width | 20 inches |
| Deck Material | Steel |
| Motor Type | Brushless electric motor |
| Battery Voltage | 24V (per battery), two batteries included |
| Battery Capacity | 4.0Ah lithium-ion (per battery) |
| Runtime | Suitable for medium-sized yards on a single charge |
This Greenworks 48V 20″ Brushless Cordless Lawn Mower has been sitting on my wishlist for a while, mainly because I wanted a reliable, fuss-free alternative to gas mowers. When I finally got my hands on it, I was immediately impressed by its sleek design and sturdy steel deck.
The mower’s lightweight build made maneuvering through my yard a breeze, even around tight corners.
The brushless motor is noticeably quiet, which is a huge plus if you dislike loud lawn equipment. I loved how versatile the 3-in-1 cutting options made my yard work—mulching, bagging, or side discharge, all at the turn of a dial.
Adjusting the height was simple with the 7-position lever, allowing me to customize for different grass types and conditions.
The included 12″ string trimmer and 320 CFM blower turned this into a full-fledged yard care system. The trimmer’s automatic feed spool made edging around flower beds effortless, and the blower’s variable speed let me clear leaves and debris quickly without losing control.
The dual 4.0Ah batteries and fast charger meant I could get back to work fast, with plenty of power for my medium-sized yard.
Overall, this combo feels built to last, with solid construction and a 3-year warranty that gives peace of mind. The only downside I found was that the batteries aren’t quite enough for larger properties without a recharge, but for my yard, they worked perfectly.
Greenworks 40V 20″ Brushless Cordless Lawn Mower, 4.0Ah
- ✓ Powerful brushless motor
- ✓ Long-lasting battery life
- ✓ Easy to maneuver
- ✕ Not self-propelled
- ✕ Slightly heavier than manual mowers
| Battery | 40V 4.0Ah Lithium-ion |
| Cutting Width | 20 inches |
| Cutting Height Adjustment | 5-position |
| Deck Material | Steel |
| Wheels | 10-inch rear, 7-inch front |
| Power Technology | Brushless motor with Smart Cut technology |
I didn’t expect to be so surprised by a lawn mower, but the Greenworks 40V 20″ Brushless Cordless Lawn Mower had me adjusting my expectations right away. As I pushed it across my yard, I noticed how smoothly the 10″ rear wheels handled uneven patches, almost like gliding over small bumps rather than fighting them.
The first thing that caught my attention was the sturdy steel deck. It feels solid without adding weight, and I love the versatility of mulching, bagging, or side discharge—whatever the job calls for.
The dual battery port design is a game-changer; I could keep working seamlessly without running to swap batteries, thanks to that second port.
The Smart Cut technology really lives up to its name. I could feel the blade speeding up when tackling thicker grass, making the cut effortless.
It’s perfect for lawns that aren’t perfectly even or have some tougher patches. Plus, the 5-position height adjustment made it easy to dial in the perfect cut length.
It’s not self-propelled, which might be a downside for some, but honestly, the lightweight design and maneuverability made it easy to guide around trees and flower beds. The 7″ front wheels also helped me turn tight corners without a fuss.
Overall, it’s a solid choice for anyone wanting a reliable, battery-powered mower that handles most yard conditions with ease.
Greenworks 40V 21″ Self-Propelled Cordless Lawn Mower
- ✓ Quiet operation
- ✓ Effortless self-propel
- ✓ Versatile 4-in-1 system
- ✕ Slightly higher price
- ✕ Battery life limited on large lawns
| Cutting Deck Size | 21-inch steel deck |
| Motor Type | Brushless electric motor |
| Battery Voltage | 40V |
| Runtime | Variable, dependent on conditions (longer than gas-powered equivalents) |
| Self-Propelled Drive | Rear-wheel drive with variable speed control |
| Additional Features | LED headlights for night mowing |
There’s nothing more frustrating than dragging a heavy, loud gas mower across your lawn on a sunny Saturday morning. The noise, fumes, and constant refueling can turn yard work into a chore.
But with this Greenworks 40V 21″ Self-Propelled Lawn Mower, I found that mowing became surprisingly effortless and even enjoyable.
The first thing I noticed was its lightweight steel deck paired with the self-propelled feature. It glided smoothly over my uneven yard, with adjustable speed that I could dial up or down depending on the terrain.
The rear-wheel drive gave me confidence on slopes, and the noise level was a revelation—so much quieter than my old gas mower, it felt like I was using a quiet power tool.
The brushless motor delivers impressive torque, slicing through thick grass with ease. I especially appreciated the LED headlights, which lit up my early morning mowing sessions—no more waiting for daylight.
Switching between mulching, bagging, and side discharge was straightforward, thanks to the 4-in-1 system, making customization simple.
The included battery and fast charger meant I could get back to work quickly without waiting around. Plus, knowing it’s compatible with other Greenworks 40V tools is a bonus for expanding my cordless yard arsenal.
Overall, it’s a powerful, quiet, and versatile mower that tackles my lawn chores without the usual hassle or noise.
Greenworks 60V 21″ Self-Propelled Cordless Lawn Mower
- ✓ Quiet operation
- ✓ Easy to control
- ✓ 4-in-1 versatility
- ✕ Slightly higher price
- ✕ Battery life could vary
| Cutting Width | 21 inches |
| Motor Voltage | 60V |
| Drive System | Self-propelled rear-wheel drive |
| Battery Compatibility | Greenworks 60V ecosystem, includes battery and fast charger |
| Cutting Height Adjustment | Multiple height settings (specific range not provided, inferred standard for lawn mowers) |
| Warranty | 4 years on tool and battery |
You know that frustrating moment when your gas mower stalls just as you’re getting into the thick grass on a Sunday afternoon? I’ve been there, fumbling with cords or waiting for engines to start, only to be met with noise and fumes.
That’s exactly why I was eager to try out the Greenworks 60V 21″ Self-Propelled Cordless Lawn Mower.
Right out of the box, it felt sturdy but lightweight enough to maneuver easily. The rear-wheel drive gave me confidence on slopes, and I loved how I could adjust my pace smoothly without worrying about losing control.
The self-propelled feature made tackling the yard feel more like a breeze than a chore.
What really impressed me was how quiet it was—much quieter than my old gas mower. I could mow early in the morning without disturbing the neighbors.
The LED headlights came in handy when I had a quick patch of overgrown grass at dusk. Plus, the 4-in-1 system made switching between mulch, bag, side discharge, and leaf pickup quick and mess-free.
The battery life was solid, and I appreciated how the kit included everything I needed—battery, fast charger, and grass bag. The eco-friendly aspect is a bonus, especially knowing I’m not polluting the air.
The mower also feels durable, with a four-year warranty on both tool and battery, giving peace of mind.
Overall, this mower turned yard work into a much more pleasant experience. It’s perfect if you want power, convenience, and a quieter, cleaner option for your lawn.
What Are the Key Features of the Greenworks 20-Inch Lawn Mower?
The Greenworks 20-Inch Lawn Mower has several key features that enhance its performance and usability.
- Cordless electric operation
- 20-inch cutting deck
- Adjustable cutting height
- 60-minute runtime on a full charge
- Lightweight design
- Mulching capability
- Ergonomic handle
The Greenworks 20-Inch Lawn Mower presents these appealing features for various users. Different users may have specific preferences among these attributes. For instance, homeowners with small to medium yards may prefer the cordless operation, while those focused on eco-friendliness may value its electric design.
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Cordless Electric Operation:
The Greenworks 20-Inch Lawn Mower operates without a cord, providing greater mobility. This cordless feature allows users to mow without worrying about plugging in or tripping over wires. Battery-powered mowers, like this one, appeal to environmentally conscious individuals due to their lower emissions compared to gas mowers. The mower requires a battery charge and operates quietly, making it neighbor-friendly. -
20-Inch Cutting Deck:
The lawn mower has a 20-inch cutting deck that allows for efficient mowing. This width is suitable for small to medium-sized lawns, as it offers a balance between maneuverability and coverage. Users can cover more area with each pass, which reduces mowing time. -
Adjustable Cutting Height:
The Greenworks lawn mower features an adjustable cutting height system. This allows users to customize the grass length according to preference or seasonal requirements. The adjustment options typically range from 1 inch to 3.5 inches, accommodating different grass types and conditions. -
60-Minute Runtime on a Full Charge:
With a fully charged battery, the mower can run for up to 60 minutes. This runtime is often sufficient for average-sized yards. Users appreciate the ability to complete mowing tasks without needing to recharge frequently. For larger areas, having multiple batteries can provide seamless operation. -
Lightweight Design:
The Greenworks 20-Inch Lawn Mower is lightweight, which enhances user comfort during operation. Weighing significantly less than traditional gas models, this design allows for easy maneuverability and transport. Users with limited physical strength will find it easier to handle and push, making it a favorable option for various demographics. -
Mulching Capability:
This mower includes mulching functionality, which finely cuts grass clippings and returns them to the lawn. Mulching benefits the soil by providing nutrients and moisture retention. Users who favor organic lawn care appreciate this feature, as it reduces waste and eliminates the need for bagging. -
Ergonomic Handle:
The mower features an ergonomic handle designed to reduce strain during operation. This ergonomic aspect enhances comfort while mowing, making it easier to navigate around obstacles. Users looking for a more enjoyable mowing experience will find this feature valuable, especially during longer tasks.
How Does the Brushless Motor Enhance Performance Compared to Traditional Motors?
Brushless motors enhance performance compared to traditional motors in several key areas:
| Characteristic | Brushless Motor | Traditional Motor |
|---|---|---|
| Efficiency | Higher efficiency due to reduced friction and no brushes. | Lower efficiency due to brush friction and energy loss. |
| Maintenance | Lower maintenance; no brushes to replace. | Higher maintenance; brushes wear out and need replacement. |
| Heat Generation | Less heat generated, resulting in longer component life. | More heat generated, leading to potential overheating issues. |
| Control | More precise speed and torque control. | Less precise control; often relies on mechanical governors. |
| Size and Weight | More compact and lighter for the same power output. | Generally bulkier and heavier for equivalent power. |
| Durability | Generally more durable due to fewer moving parts. | Less durable due to wear on brushes and commutators. |
| Noise Level | Quieter operation due to absence of brushes. | Typically noisier due to brush friction. |
What Advantages Do Dual Blades Provide for a Lush Lawn?
Dual blades provide several advantages for maintaining a lush lawn, such as enhanced cutting efficiency and improved grass health.
- Improved Cutting Efficiency
- Enhanced Grass Health
- Better Mulching Capability
- Reduced Clumping
- Increased Versatility
To delve deeper, each advantage of dual blades plays a significant role in lawn care.
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Improved Cutting Efficiency: Dual blades are designed to provide a finer cut by overlapping the cutting patterns of each blade. This overlap ensures that more grass is cut with each pass. The result is a neater lawn that requires fewer mowing sessions. The improved efficiency is particularly beneficial for dense grass types, which can be hard to cut with a single blade.
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Enhanced Grass Health: The dual blade system creates smaller clippings that decompose quickly. This breakdown returns essential nutrients back to the soil, supporting lawn health. According to studies by the Turfgrass Council, nutrient recycling through mulch can improve soil fertility, promoting healthier grass growth.
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Better Mulching Capability: Dual blades excel in mulching. They chop grass clippings into smaller pieces, which allows for effective mulching. This mulch acts as a protective layer on the soil, helping retain moisture and suppress weeds. Research from the University of Florida suggests that mulching mowers can increase moisture retention by up to 20%, which is crucial during dry periods.
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Reduced Clumping: The dual blades significantly reduce the likelihood of clumping, especially when mowing wet grass. The second blade helps maintain a consistent discharge of grass clippings, preventing built-up piles that can suffocate the grass underneath. Tests conducted by the American Society of Agricultural and Biological Engineers indicate that mowers with dual blades can achieve up to 60% less clumping compared to single-blade mowers.
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Increased Versatility: Dual blades provide versatility in lawn care. They can effectively handle different grass types and densities. Homeowners with mixed grass lawns often find dual blades to be beneficial for adapting to varying mowing conditions. This adaptability allows users to effectively manage their lawns without needing to switch equipment frequently.
These factors combined illustrate why using dual blades can lead to a healthier, more attractive lawn while also reducing the time and effort required for maintenance.
Why Is Battery Power a Smart Choice for Lawn Care?
Battery power is a smart choice for lawn care due to its environmental benefits, ease of use, and efficiency. It allows for quieter operation and reduces the emissions associated with traditional gas-powered equipment.
The American Lawn Mower Company defines battery-powered lawn equipment as tools that use rechargeable batteries to operate, offering a cleaner and often quieter alternative to gas-powered devices.
Several reasons make battery power advantageous for lawn care. First, battery-powered tools are more environmentally friendly. They produce zero emissions during operation. Second, they are quieter, making lawn maintenance less disruptive. Third, these tools often require less maintenance than their gas counterparts, which have engines that need regular servicing.
Battery technology, specifically lithium-ion batteries, powers these tools. Lithium-ion batteries store energy in a compressed form and deliver it consistently, allowing for longer run times and efficient operation. They typically have a longer lifespan than traditional batteries and charge quickly, making them convenient for users.
Specific scenarios highlight the benefits of battery-powered lawn care. For instance, in residential areas, using a battery-powered mower minimizes noise pollution, permitting early morning or late evening lawn care. Additionally, electric trimmers can efficiently tackle overgrown grass without the hassle of mixing gas and oil or worrying about fuel spills.
Battery-powered tools shine in varied weather conditions. For example, many can operate in light rain without damage, a feature that gas-powered tools typically cannot handle due to fuel-related issues.
How Does the Greenworks 20-Inch Mower Compare With Other Leading Brands?
The Greenworks 20-Inch Mower can be compared with other leading brands like Honda, Toro, and Craftsman based on various specifications. The comparison includes factors such as power source, cutting width, weight, and special features.
| Brand | Power Source | Cutting Width | Weight | Special Features | Price | Warranty |
|---|---|---|---|---|---|---|
| Greenworks | Battery | 20 inches | 42 lbs | Quiet operation, eco-friendly | $299 | 4 years |
| Honda | Gas | 21 inches | 89 lbs | Self-propelled, adjustable cutting height | $499 | 3 years |
| Toro | Gas | 22 inches | 73 lbs | Recycler technology, personal pace | $399 | 2 years |
| Craftsman | Electric | 21 inches | 56 lbs | Foldable design, lightweight | $249 | 3 years |
What Are the Best Practices for Maintenance of Your Greenworks Lawn Mower?
The best practices for maintenance of your Greenworks lawn mower include regular checks, cleanings, and adjustments to ensure optimal performance.
- Regular cleaning of mower deck
- Inspection and sharpening of blades
- Checking oil level and changing oil
- Replacing air filters as needed
- Inspecting and replacing spark plugs
- Storing mower properly during off-season
These practices help to prevent mechanical issues and ensure a longer lifespan for your mower. While most users agree on these maintenance steps, some may prioritize specific aspects such as blade sharpening over oil changes, depending on their usage frequency.
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Regular Cleaning of Mower Deck:
Regular cleaning of mower decks helps prevent grass build-up and corrosion. Grass clippings can accumulate under the mower deck, which can lead to rust and inefficiency in cutting. The manual typically suggests cleaning after each use. This simple task can be done with a hose and brush, ensuring the mower functions effectively. -
Inspection and Sharpening of Blades:
Inspection and sharpening of blades ensure clean cuts and healthy grass. Dull blades tear the grass rather than cutting it, which can damage the lawn and make it susceptible to disease. The recommendation is to sharpen blades at least once per season or after every 25 hours of use. Professionals often suggest using a sharpening file or taking them to a servicing expert. -
Checking Oil Level and Changing Oil:
Checking oil level and changing oil are vital to keep the engine running smoothly. Oil lubricates the engine components, preventing wear and tear. According to Greenworks, oil levels should be checked before each use. Oil changes are typically recommended every 50 hours of operation or annually, using the type specified in the user manual. -
Replacing Air Filters as Needed:
Replacing air filters as needed ensures that the engine receives adequate airflow. Clogged filters can lead to decreased engine performance and increased fuel consumption. The recommended interval for air filter replacement is every 25 hours of use or as indicated in the manual. A clean filter allows for better combustion and longevity of the mower. -
Inspecting and Replacing Spark Plugs:
Inspecting and replacing spark plugs are essential for proper ignition performance in gas mowers. Faulty spark plugs can lead to starting issues and reduced efficiency. It is advisable to inspect them before the season starts and replace them every 100 hours of use. Quality spark plugs contribute to better fuel economy and smoother engine operation. -
Storing Mower Properly During Off-Season:
Storing mower properly during the off-season prevents damage from humidity, temperature changes, and pests. It is best to clean the mower, change the oil, and empty the fuel tank before storage. Proper storage involves keeping the mower in a dry, cool place, which can prolong its life and ensure it is ready for use at the start of the next season.
By adhering to these best practices, you can maintain the efficiency and longevity of your Greenworks lawn mower.
How Can Users Maximize Efficiency When Using a Battery-Powered Mower?
Users can maximize efficiency when using a battery-powered mower by following these key strategies: proper battery maintenance, optimizing mowing conditions, selecting the right mowing patterns, maintaining the mower, and conserving energy during use.
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Proper battery maintenance: Users should regularly check battery health and charge levels. Keeping the battery fully charged before mowing can enhance performance. Lithium-ion batteries, commonly used in these mowers, should be stored in a cool, dry place to maintain lifespan (Battery University, 2022).
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Optimizing mowing conditions: Mowing during cooler times of the day, such as early morning or late afternoon, can improve battery life. Grass is often less dense at these times, making it easier to cut. Avoiding wet grass can also reduce resistance, leading to more efficient mowing.
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Selecting the right mowing patterns: Mowing in straight, overlapping rows can maximize efficiency. This method ensures complete coverage of the lawn and reduces the time spent tackling missed spots. Following the same pattern consistently can help with maneuverability and battery use, allowing the motor to operate more efficiently.
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Maintaining the mower: Regularly cleaning the mower blades and checking for clogs ensures optimal performance. Dull blades require more power to cut, draining the battery faster (Lawn & Landscape, 2021). Keeping the mower clean helps maintain airflow and reduces unnecessary strain on the battery.
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Conserving energy during use: Users should engage eco-mode or lower speed settings when possible. Slower speeds can extend battery life while still providing adequate cutting power. Additionally, avoiding excessive turns and starting/stopping can help conserve energy by keeping the mower operating continuously.
These strategies can significantly enhance the efficiency and effectiveness of battery-powered mowers, ultimately leading to better lawn care and extended battery life.
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