Greenworks 40V Mower Worth It? Honest Pros & Cons Analysis

Are you tired of wrestling with a gas mower that refuses to start, smells terrible, and costs a fortune to maintain? You’re not alone. Many homeowners are making the switch to cordless electric mowers for a cleaner, quieter, and simpler lawn care experience. But with so many options, the big question remains: is the Greenworks 40V mower worth it,should I buy Greenworks 40V mower,Greenworks 40V vs gas mower,Greenworks 40V mower pros cons,best cordless mower for lawn,Greenworks 40V mower honest opinion? After putting this popular kit through its paces on a real suburban lawn, we’re here to give you the definitive, hands-on answer. This comprehensive review will break down everything from battery life to cutting performance to help you decide if this is the best cordless mower for lawn care needs.

What Is Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger?

This product is a comprehensive lawn care system designed to replace both your traditional gas-powered mower and string trimmer. It’s part of Greenworks’ extensive 40V battery platform, which includes a wide range of outdoor tools. The primary purpose is to offer a maintenance-free, emission-free alternative for maintaining a medium-sized yard. The target audience is the eco-conscious homeowner or the DIYer who values convenience and wants to ditch the hassles of gas engines. The standout innovation here is the combination of a powerful brushless motor mower with a matching trimmer, all powered by the same interchangeable 5.0Ah battery. Greenworks, as a brand, has positioned itself as a leader in battery-powered outdoor equipment since 2002, continually expanding its voltage platforms. You can learn more about their full ecosystem on the official Greenworks website. So, when asking should I buy Greenworks 40V mower, you’re looking at a tool from a company deeply invested in cordless technology.

Key Features & Specifications

Standout Features

This mower and trimmer combo pack is loaded with thoughtful features that address common lawn care pain points. Here are the key elements that make it a compelling choice:

• Brushless Motor Technology: The heart of the mower is a highly efficient brushless motor. This provides more torque for tackling thick grass, significantly extends the motor’s lifespan, and operates much quieter than a brushed motor or gas engine. This is a core reason many find the Greenworks 40V mower worth it.
• 3-in-1 Cutting System: The 21-inch steel deck offers versatile cutting options. You can bag clippings for a clean look, use the side discharge for cutting very tall grass, or engage the mulching plug to return nutrients to your lawn. This flexibility is a major pro in any Greenworks 40V mower pros cons analysis.
• Extended Runtime with 5.0Ah Battery: The included 5.0Ah lithium-ion battery is the workhorse. Greenworks claims up to 45 minutes of mowing time, which we put to the test. This battery also powers the included string trimmer, creating a unified, convenient system.
• Vertical Storage Capability: A huge space-saver for garage or shed storage. The mower folds and stores vertically, taking up 70% less floor space than a traditional mower lying flat.
• Single Lever Height Adjustment: Changing the cutting height is a breeze. One lever simultaneously adjusts all four wheels across seven positions (1.25-3.75 inches), allowing you to quickly adapt to seasonal grass conditions.
• Included String Trimmer: The kit isn’t just a mower. It includes a 40V string trimmer with an auto-feed head (.065″ dual line) and variable speed trigger for precise edging and trimming around obstacles.
• Maintenance-Free Operation: No gas, oil, spark plugs, or air filters. You’ll never have to perform a seasonal tune-up or deal with stale fuel again.

Technical Specifications

Specification	Detail
Power Source	40V Lithium-Ion Battery (5.0Ah Included)
Cutting Width	21 Inches
Deck Material	Alloy Steel
Cutting Height Positions	7 (1.25″ – 3.75″)
Battery Run Time (Claimed)	Up to 45 minutes (mower)
Charging Time	Approx. 120 minutes for 5.0Ah battery
Included Tools	21″ Push Mower, 12″ String Trimmer
Additional Functions	Rear Bagging, Side Discharge, Mulching
Storage	Vertical Fold

For a deeper dive into how these specs compare to other models, check out our comprehensive cordless mower buying guide.

What’s Included in the Box

Unboxing the Greenworks 40V kit feels like getting a complete lawn care solution. The packaging is robust and well-organized. Here’s the complete itemized list of what you’ll find inside:

• Greenworks 40V 21-Inch Brushless Cordless Lawn Mower (main unit)
• Greenworks 40V 12-Inch String Trimmer
• One 5.0Ah 40V Lithium-Ion Battery
• One 40V Battery Charger
• Grass Collection Bag (attaches to mower rear)
• Mulching Plug (for converting to mulch mode)
• Operator’s Manual and Safety Documentation

The build quality upon first inspection is impressive. The mower deck is made of sturdy alloy steel, not plastic, which inspires confidence for long-term durability. The handles feel solid, and all components have a cohesive, professional look. Notably, everything you need to start mowing and trimming is included—no need to purchase a separate battery or charger. This complete package is a significant part of the value proposition when determining if the Greenworks 40V mower is worth it.

How to Use Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger: Complete Guide

Step 1: Initial Setup and Installation

The assembly is straightforward and should take 15-20 minutes. You’ll need to attach the handle to the mower deck using the provided bolts and wrench. The handle folds for storage, so you’re essentially just locking it into the upright position. Next, install the grass bag by hooking it onto the rear brackets. Finally, insert the battery into the charger and plug it in for a full charge before first use. The string trimmer comes fully assembled; you just need to load the trimmer line, which is clearly explained in the manual.

Step 2: First-Time User Guide

Once charged, insert the battery into the mower’s battery port. To start, simply press and hold the safety button on the handle, then squeeze the start lever. The mower will spring to life silently. Use the single lever to set your desired cutting height. For the trimmer, insert the same battery, press the safety lock, and squeeze the trigger. The variable speed allows for control. This intuitive operation is a key advantage in the Greenworks 40V vs gas mower debate—no pulling a cord, no choke, just instant power.

Step 3: Core Functions and Daily Use

For daily mowing, choose your function: bagging, mulching, or side discharge. Install the appropriate plug (for mulching) or attach the bag. Start with a dry lawn for best results. The mower is a push model, but the brushless motor provides ample power to self-propel the wheels, making it easy to maneuver. For the trimmer, use a slow, sweeping motion for best cutting and to conserve battery. This integrated system is why many consider it a top contender for the best cordless mower for lawn and trimming combo.

Step 4: Advanced Techniques

To maximize efficiency, mow in overlapping passes. Use the trimmer on its edge for crisp lawn edges. The mower’s vertical storage is a game-changer: after use, lift the lever near the rear wheels to fold the handle down and stand the mower on its rear end against a wall. For thicker lawns, mow at a higher setting first, then lower it for a second pass. You can explore the kit here to see how this streamlined workflow saves time.

Step 5: Maintenance and Care

Maintenance is minimal. After each use, clean grass clippings from under the deck (with the battery removed). Periodically check the mower blade for sharpness and nicks; a dull blade tears grass. The brushless motor is sealed and requires no maintenance. For the trimmer, keep the head clean and reload line as needed. Store the battery in a cool, dry place. For detailed blade care, our lawn mower maintenance guide has you covered.

Step 6: Troubleshooting Common Issues

If the mower doesn’t start, first ensure the battery is fully charged and properly inserted. Check that the safety handle is fully engaged. If cut quality is poor, the blade is likely dull and needs sharpening or replacement. If the trimmer line doesn’t advance, tap the head on the ground while running to trigger the auto-feed mechanism. For persistent issues, Greenworks customer support is your best resource.

Performance & Real-World Testing

Testing Methodology

We tested this kit over four weeks on a standard 1/3-acre suburban lot with a mix of Kentucky bluegrass and fescue. Testing included regular weekly mowing, tackling overgrown areas after rain, and using the trimmer for detailed edging around flower beds and fences. We monitored battery life, cut quality, noise levels, and overall ease of use to form our Greenworks 40V mower honest opinion.

Performance Metrics

The cutting performance was consistently clean and even, thanks to the sharp blade and balanced deck. The bagging system filled up adequately and was easy to detach and empty. Noise levels were remarkably low—we could comfortably have a conversation while mowing. Reliability was perfect; it started instantly every single time, a stark contrast to our old gas mower. This consistent performance is central to the question, is the Greenworks 40V mower worth it? For most users, the answer leans yes.

Real-World Scenarios

In normal weekly mowing (grass about 3-4 inches tall), the battery provided a full 40 minutes of runtime, enough to complete the lawn with some trimming left over. When we let the grass grow to nearly 6 inches, the mower handled it in mulching mode, though the battery drained faster (about 25 minutes). The trimmer was powerful enough to cut through tough weeds along a fence line. The system excelled in typical suburban conditions.

Claims vs. Reality

Greenworks’ claim of 45 minutes of runtime is achievable under ideal conditions: dry, moderately tall grass. Our real-world average was 35-40 minutes, which is still excellent. The claim of being “maintenance-free” holds true for the engine, but blade care is still required. The power truly does rival a gas mower for most tasks, validating the core premise of the Greenworks 40V vs gas mower comparison.

Pros and Cons

What We Loved (Pros)

• Quiet, Instant Start Operation: No ear protection needed, no yanking a pull cord. This convenience cannot be overstated.
• Zero Maintenance (No Gas/Oil): Say goodbye to seasonal tune-ups, oil changes, and smelly fuel cans.
• Excellent Cutting Performance: Delivers a clean, even cut that rivals gas mowers on typical lawns.
• Great Value Combo Kit: Getting a capable mower AND a trimmer with a battery and charger for this price is a strong package.
• Space-Saving Vertical Storage: A huge benefit for anyone with a crowded garage or shed.

What Could Be Improved (Cons)

• Battery Life for Large Lawns: While sufficient for up to 1/2 acre, those with larger properties may need a second battery, which is an added cost.
• Not Self-Propelled: This is a push mower. On very hilly terrain, it can require more physical effort than a self-propelled gas model.
• Plastic Bag Could Be Sturdier: The grass collection bag is functional but feels like a point where durability could be enhanced.

This balanced look at the Greenworks 40V mower pros cons shows it’s a tool with clear strengths and a few understandable limitations.

Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger vs. Competitors

How does this stack up against other popular choices? Let’s look at a quick comparison.

Feature	Greenworks 40V Combo	Ego Power+ LM2102SP	Gas-Powered Mower (Typical)
Price Point	$$ (Moderate)	$$$ (Higher)	$ (Lower upfront)
Power Source	40V Battery	56V Battery	Gasoline
Noise Level	Very Low	Very Low	Very High
Maintenance	Very Low	Very Low	High (Oil, Gas, Plug)
Included Trimmer	Yes	No (Sold Separately)	No
Self-Propelled	No	Often Yes	Often Yes

When to Choose This Product

Choose the Greenworks 40V combo if you have a low-to-moderate slope yard up to 1/2 acre, value a complete kit (mower+trimmer), want the simplest maintenance, and prioritize quiet operation. It’s an outstanding all-in-one solution. See the latest price for this kit here.

When to Consider Alternatives

Consider a self-propelled model like Ego if your yard is large (over 1/2 acre) or very hilly. A gas mower might still make sense if you need extreme runtime for massive properties and don’t mind the maintenance and noise. For more detailed comparisons, read our head-to-head brand analysis.

Who Should Buy Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger?

Ideal For:

• Suburban Homeowners with 1/4 to 1/2 Acre Lawns: The battery runtime is perfectly matched for this yard size.
• Eco-Conscious Users: Zero emissions and much quieter than gas alternatives.
• Those Tired of Gas Engine Hassles: If you dread seasonal maintenance and hard starts, this is your solution.
• First-Time Cordless Buyers: The combo kit offers tremendous value and a gentle introduction to battery-powered yard tools.

Not Recommended For:

• Owners of Very Large or Extremely Hilly Lawns: Battery runtime may be insufficient, and the lack of self-propulsion could be a drawback.
• Users Needing Commercial-Grade Durability: While robust, it’s designed for residential, not daily professional use.

Expert Tips for Maximum Value

Tip #1: Mow When Grass is Dry

Wet grass clumps badly, clogs the deck, and drains the battery much faster. For optimal runtime and cut quality, always mow a dry lawn.

Tip #2: Keep the Blade Sharp

A sharp blade is the secret to a healthy lawn and efficient battery use. A dull blade tears grass, leaving it susceptible to disease and forcing the motor to work harder.

Tip #3: Invest in a Spare Battery

If your yard is at the upper limit of the runtime, purchasing a second 40V Greenworks battery completely eliminates range anxiety and allows you to mow and trim without pause.

Tip #4: Use the Correct Cutting Mode

Use mulching for regular cuts to feed your lawn. Use bagging when grass is too long or wet, or if you want a pristine look. Use side discharge only for very overgrown areas.

Tip #5: Store Battery Indoors

Extreme heat and cold can degrade lithium-ion batteries over time. Store the battery in a climate-controlled environment like a garage shelf or inside your house.

Tip #6: Clean the Underside Regularly

After each mow, tip the mower (with battery out) and hose off or scrape away caked-on grass. This prevents corrosion and maintains proper airflow for efficient cutting.

Common Mistakes to Avoid

1. Mistake: Letting the battery fully discharge and leaving it dead for months. → Solution: Store the battery with at least a 40% charge. If storing for winter, give it a partial charge every few months.
2. Mistake: Trying to mow very tall, wet grass in one pass. → Solution: For overgrown lawns, use the highest cutting setting first, then lower it for a second pass. This protects the motor and battery.
3. Mistake: Forgetting to engage the safety handle properly. → Solution: Ensure you are fully depressing the safety bar on the handle before squeezing the start lever. It’s a key safety feature.
4. Mistake: Neglecting the mower blade. → Solution: Inspect and sharpen the blade at least once per mowing season, or more often if you hit rocks or debris.
5. Mistake: Assuming “cordless” means “limitless power.” → Solution: Understand the tool’s limits. It’s fantastic for residential use but isn’t designed to clear a field of foot-tall weeds.

Pricing & Where to Buy

The Greenworks 40V 21″ Mower and Trimmer Combo has a current price of $569.98. When you consider that this includes both a high-quality mower and a trimmer, plus the battery and charger, the value is significant compared to buying each item separately. It’s often priced lower than competing premium brands while offering similar core performance. The best place to buy is typically through authorized online retailers for competitive pricing and reliable service.

Warranty & Support

Greenworks typically offers a 4-year warranty on the mower tool and a 2-year warranty on the battery and charger when purchased from an authorized retailer. Always register your product online. Their customer support has a solid reputation for being responsive and helpful with parts and troubleshooting, which adds peace of mind to your purchase.

Final Verdict

Summary of Key Findings

After extensive testing, we found the Greenworks 40V system to be a powerful, quiet, and incredibly convenient solution for the average homeowner. The brushless motor provides ample power, the battery life is sufficient for most suburban lots, and the inclusion of a capable string trimmer makes it an outstanding value. The elimination of gas and oil maintenance is a life-changing benefit. This evidence strongly supports a positive answer to the question, is the Greenworks 40V mower worth it.

Our Recommendation

We give the Greenworks 40V 21-Inch Mower and Trimmer Combo a rating of 4.3 out of 5 stars. It loses minor points for not being self-propelled and having a battery limit for very large properties. However, for its target audience, it is an excellent buy. If your needs align with the “Ideal For” profile above, you will be thoroughly satisfied.

Bottom Line

The Greenworks 40V combo is a top-tier cordless lawn care system that successfully replaces gas-powered tools for most homeowners, offering a cleaner, quieter, and simpler mowing experience that is absolutely worth the investment. Click here to purchase the Greenworks 40V kit and transform your lawn care routine.

Frequently Asked Questions

Is Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger worth the money?

Absolutely, for the right user. If you have a typical suburban yard (up to 1/2 acre) and want to ditch gas maintenance, the value is excellent. You’re getting two high-quality tools, a battery, and a charger for a price often close to a single mower from premium competitors. The long-term savings on gas, oil, and tune-ups add to the ROI.

How does it compare to a gas mower?

In a Greenworks 40V vs gas mower comparison, the Greenworks wins on convenience (instant start, quiet), maintenance (zero vs. high), and environmental impact (zero emissions). A gas mower may have longer unlimited runtime and can be more powerful for extreme conditions, but for 90% of residential jobs, the Greenworks is more than capable and far more pleasant to use.

What’s the learning curve for beginners?

Virtually non-existent. If you can use a gas mower, you can use this—but it’s simpler. There’s no choke or primer bulb. Insert the battery, press the safety, and squeeze the lever. The setup is straightforward. It’s arguably the best cordless mower for lawn care beginners due to its simplicity.

What accessories or additional items do I need?

The kit is complete. The only accessory you might eventually want is a spare 40V battery for larger yards or if you want to mow and trim simultaneously without waiting for a charge. A blade sharpening kit is also a wise long-term purchase.

What warranty and customer support does it offer?

Greenworks provides a strong warranty: typically 4 years on the mower and trimmer tools and 2 years on the battery and charger. Customer support is accessible via phone and email and is generally well-regarded for handling warranty claims and providing technical assistance.

Can it handle thick, tall grass?

Yes, but with strategy. The brushless motor has good torque. For very thick or tall grass (6+ inches), use the side discharge or mulching plug (not the bag), set the deck to its highest setting, and mow slowly. You may need to make two passes. It performs better than many expect in these conditions.

Where can I buy Greenworks 40V 21 Brushless Cordless Electric Lawn Mower, String Trimmer, 5.0Ah Battery and Charger at the best price?

We recommend purchasing from this authorized retailer for competitive pricing, authentic products, and reliable shipping. Prices can fluctuate, so checking the link for current deals is always smart.