MightyMow 18 inch Cordless Lawn Mower 6-Position Height Review: The Ultimate Verdict on Cord-Free Convenience

For years, my weekend lawn care ritual was a symphony of frustration. It started with the ceremonial hunt for the gas can, followed by the messy, fume-filled refueling of my old, beastly push mower. Then came the main event: the pull-cord tango. One pull, two pulls, a string of muttered curses, and finally, a sputtering roar that announced to the entire neighborhood that I was, once again, wrestling with my lawn. It was heavy, vibrated until my hands went numb, and left me reeking of exhaust. I knew there had to be a better way—a quieter, cleaner, and less physically demanding path to a well-manicured lawn. This quest for a more civilized mowing experience is what led me to explore the burgeoning world of battery-powered mowers, and specifically, to the MightyMow 18 inch Cordless Lawn Mower 6-Position Height.

What to Know Before You Cut the Cord on Your Old Mower

A walk-behind lawn mower is more than just an item; it’s a key solution for maintaining the health and aesthetic of your property. For the average homeowner, it’s the most practical tool for achieving a clean, uniform cut that promotes healthy grass growth. The benefits of modern cordless models extend beyond just cutting grass; they offer a significant upgrade in quality of life. They eliminate the recurring costs of gasoline and oil, reduce your carbon footprint, operate at a fraction of the noise level of their gas counterparts, and remove the physical strain of yanking a pull-cord. This transition represents a move towards simpler, more enjoyable, and environmentally responsible lawn maintenance.

The ideal customer for this type of product is someone facing the common challenges of suburban lawn care: a small to medium-sized yard (typically up to a quarter-acre), the presence of flower beds or obstacles requiring maneuverability, and a desire to avoid the noise and fumes of gas engines. It’s perfect for the homeowner who values convenience and low maintenance. However, it might not be suitable for those who own properties larger than half an acre, or those who frequently tackle extremely tall, dense, or wet brush. In those cases, a more powerful gas mower or a riding mower might be a more practical, albeit more cumbersome, alternative.

Before investing, consider these crucial points in detail:

• Dimensions & Space: The cutting deck width is paramount. The 18-inch deck on the MightyMow strikes an excellent balance, wide enough to reduce the number of passes on open lawn but narrow enough to navigate between garden beds and trees. Also, consider storage. Models with foldable handles, like this one, are a blessing for those with limited garage or shed space, allowing for compact vertical storage.
• Capacity/Performance: In the cordless world, power is measured in volts (V) and runtime is dictated by battery amp-hours (Ah). The 40V system of the MightyMow provides ample power for typical residential grass types. A brushless motor is a non-negotiable feature for performance and longevity, offering more power, higher efficiency, and a longer lifespan than older brushed motors. Always check the estimated runtime and ensure it aligns with the size of your lawn.
• Materials & Durability: While commercial mowers often feature heavy steel decks, many modern cordless mowers use high-impact polymer or composite decks. These materials are surprisingly durable, resistant to rust and dents, and contribute significantly to the machine’s lightweight, easy-to-push nature. Check for sturdy wheel construction and a solid feel in the handle assembly.
• Ease of Use & Maintenance: Simplicity is the core appeal of electric mowers. Look for features like a single-lever height adjustment, which allows you to change the cutting height of all four wheels simultaneously in seconds. A push-button start is standard and a massive upgrade from a pull-cord. Long-term maintenance is minimal: keep the underside clean, sharpen the blade annually, and properly store the batteries. That’s it.

Making the right choice transforms lawn care from a chore into a genuinely pleasant activity. The quiet hum of an electric motor and the effortless glide across the grass can completely redefine your weekend routine.

While the MightyMow 18 inch Cordless Lawn Mower 6-Position Height is an excellent choice, it’s always wise to see how it stacks up against the competition. For a broader look at all the top models, we highly recommend checking out our complete, in-depth guide:

Unboxing the MightyMow: First Impressions and Core Features

Upon arrival, the MightyMow box was surprisingly compact and manageable. Inside, the components were neatly packed with minimal assembly required. This was my first positive sign. Following the clear, concise instructions, the entire setup process—which consisted of unfolding and securing the three-part handle and attaching the grass collection bag—took less than ten minutes. No tools were needed, a detail I greatly appreciated. My immediate impression was how incredibly lightweight the unit is. Compared to the hulking gas mower it was replacing, I could lift the MightyMow with one hand. The build quality feels solid despite its low weight, with a durable polymer deck and a comfortable, padded handle.

What truly stood out in the box was the inclusion of not one, but two 4.0Ah batteries and a dual-port charger. This is a significant value-add, as many competing brands sell extra batteries separately at a premium. It signals that MightyMow understands the primary concern of potential cordless converts: runtime anxiety. Having a second battery ready to go instantly doubles your potential mowing time and provides peace of mind. You can check the latest price and included accessories to see how this package offers exceptional value right out of the box.

Putting the MightyMow to the Test: An In-Depth Performance Analysis

A mower can look good on paper, but the real test is how it performs on actual grass. We put the MightyMow 18 inch Cordless Lawn Mower 6-Position Height through its paces on a typical suburban lawn with varied grass heights, a few gentle slopes, and several obstacles to navigate. The goal was to evaluate its core functions: raw cutting power, battery endurance, and overall user experience.

Power and Cutting Performance: The Brushless Heart of the Machine

The first thing you notice when you press the safety button and pull the bail lever is the sound—or rather, the lack of it. The 40V brushless motor spins up with a quiet, high-tech whir, a world away from the rattling roar of a gas engine. As one user aptly put it, you can mow at 7 AM without anyone hearing you. But don’t let the quiet operation fool you; this mower has legitimate cutting power. The motor, capable of reaching 4200 RPM, delivers impressive torque that kept the 18-inch blade spinning consistently, even when we pushed it into a slightly thicker, taller patch of grass.

The cut quality was clean and even, leaving behind a professional-looking lawn without torn or ragged grass blades. We tested it on a medium height setting (around 2 inches), and it produced a uniform finish pass after pass. The 18-inch cutting deck proved to be a sweet spot for our quarter-acre test lawn. It’s wide enough to make quick work of open areas but nimble enough to easily maneuver around trees and along fence lines, a sentiment echoed by users who found it “easier to move around flower beds.” The 40-liter grass collection bag did an admirable job of packing in clippings, and its lightweight design made it easy to detach, empty, and re-attach without struggle. For those who prefer mulching, this mower’s efficient cutting action leaves fine clippings, though a dedicated mulching plug is not included. This machine truly performs with a strength that one user described as “strong cleaning like a monster,” and it’s this surprising power that makes it such a compelling option. You can see its full feature set and user reviews to get a better sense of its capabilities.

Battery Life and Power Management: Dual Batteries for Extended Runtime

Runtime is the make-or-break factor for any cordless outdoor power tool. MightyMow addresses this head-on by packaging the mower with two 20V 4.0Ah batteries, which combine to create the 40V power system and offer a total advertised runtime of up to 40 minutes. In our real-world testing on a standard lawn with dry, medium-height grass, we found this estimate to be quite accurate. We managed to mow for approximately 35-38 minutes before the first battery was depleted and the mower powered down. This confirms reports from users who noted they could get about 30 minutes per battery, which was sufficient to complete their quarter-acre yards with a quick swap mid-mow.

The process of swapping batteries is effortless—simply open the transparent cover, pop the depleted one out, and click the fresh one in. The real star of the power system, however, is the included dual-port charger. Being able to charge both batteries simultaneously is a massive convenience, drastically reducing downtime. Instead of waiting for one battery to charge before starting on the next, you can have both ready to go in about 90-120 minutes. This dual battery and charger inclusion is a feature often found in much more expensive models, making the MightyMow an incredible value proposition for anyone looking to make a complete and frustration-free switch to cordless convenience.

Ergonomics and Ease of Use: Designed for Real-World Mowing

This is where the MightyMow 18 inch Cordless Lawn Mower 6-Position Height truly shines and sets itself apart. Every design choice seems geared towards reducing user effort and simplifying the mowing process. The standout feature, praised by nearly every user, is the single-lever height adjustment. A single, large, easy-to-grip handle on the deck allows you to cycle through six distinct cutting heights, from a low 1 inch to a healthier 3 inches. Changing the cut height for different parts of the lawn takes literally two seconds, a stark contrast to the old method of adjusting each wheel individually.

Its lightweight construction cannot be overstated. Pushing this mower feels less like a chore and more like taking a walk. It glides over the lawn, and maneuvering tight turns or navigating gentle inclines requires minimal effort. This makes it an ideal choice for users who, as one person noted, “don’t have much strength.” The handle itself is adjustable to three different heights, ensuring users of all statures can find a comfortable and ergonomically correct pushing position, reducing back and shoulder strain. When the job is done, the quick-release levers on the handle allow it to fold down completely in seconds, making storage incredibly simple. You can tuck it into a corner of the garage or shed, taking up a fraction of the space of a traditional mower. From the push-button start to the effortless height changes, this machine is designed to make lawn care feel “easier and more manageable.”

What Other Users Are Saying

After our own extensive testing, we dug into feedback from a wide range of users to see how our experience compared. The consensus is overwhelmingly positive, with a few common themes emerging. Over and over, users praise the assembly process, with one reviewer stating, “Assembly was a breeze, taking just a few minutes to put together.” This aligns perfectly with our out-of-the-box experience.

The mower’s lightweight nature and quiet operation are its most celebrated attributes. One user happily reported, “This electric lawn mower is very light and I can use it alone,” a game-changer for those who struggled with heavy gas machines. Another user highlighted the practical benefit of the quiet motor: “No one can hear me mow at 7 AM because it’s not as loud as my old gas mower!” The convenience of the single-lever height adjustment and the overall ease of use were also consistently mentioned. As one review summarized, “Adjusting the height is simple with just one lever… Overall, it’s made lawn care feel easier.” While some online reviews may mention different deck sizes or battery configurations from other models in the MightyMow lineup, the core sentiments about effortless handling, quiet power, and battery convenience are consistent across the brand and are perfectly embodied in the MightyMow 18 inch Cordless Lawn Mower 6-Position Height.

How Does the MightyMow Compare? A Look at the Competition

The MightyMow 18 inch Cordless Lawn Mower 6-Position Height exists in a competitive market. To understand its place, it’s helpful to see how it stacks up against some popular alternatives, each catering to a slightly different user need.

1. WORX 40V 17″ Cordless Lawn Mower 2-Batteries

The WORX 40V mower is a very close competitor to the MightyMow. It operates on the same 40V (2x20V) platform and is also celebrated for its lightweight, easy-to-use design. The primary difference is the slightly smaller 17-inch cutting deck, compared to the MightyMow’s 18 inches. This makes the WORX model exceptionally nimble in very tight spaces or on lawns with numerous small obstacles. However, the MightyMow’s extra inch of cutting width will save you a few passes on more open sections of lawn. The WORX mower also offers 7 height positions, one more than the MightyMow, though the overall height range is similar. This is a great alternative for someone with a very complex, small yard where maximum maneuverability is the absolute top priority.

2. PowerSmart 21-Inch 144cc 2-in-1 Push Lawn Mower

This PowerSmart mower represents the traditional gas-powered alternative. Its key advantages are raw power from its 144cc engine and a wider 21-inch steel cutting deck. It’s built to tackle thicker, tougher, and larger lawns without any concern for battery runtime. This is the mower for someone with a half-acre or more, or who frequently lets their grass get overgrown. However, these benefits come with all the classic drawbacks of gas: it’s significantly heavier, much louder, requires regular maintenance (oil changes, spark plugs, fuel stabilizers), and produces fumes. It’s a choice for power-users who are willing to trade the convenience and comfort of the MightyMow for pure, brute-force cutting capability.

3. Greenworks 80V 21″ Push Lawn Mower 4.0Ah

The Greenworks 80V model is a step up in the cordless world. The 80V platform delivers a substantial increase in power, rivaling that of many gas mowers. Combined with its wider 21-inch cutting deck, this mower is designed for homeowners with larger properties (up to half an acre) who demand top-tier performance but still want the benefits of battery power. It’s a more premium option, often coming with a higher price tag. Someone might choose the Greenworks over the MightyMow if they have a larger yard, tougher grass varieties like St. Augustine or Bermuda, and a bigger budget. The MightyMow remains the more practical and economical choice for typical small-to-medium-sized lawns where 40V is more than sufficient power.

The Final Cut: Is the MightyMow 18 inch Cordless Lawn Mower Right for You?

After extensive hands-on testing and analysis, our verdict is clear: the MightyMow 18 inch Cordless Lawn Mower 6-Position Height is an outstanding machine that delivers on its promise of making lawn care simpler, quieter, and more enjoyable. Its combination of a powerful brushless motor, a generous 18-inch cutting width, and an incredibly lightweight, user-friendly design makes it a top contender in its class. The inclusion of two 4.0Ah batteries and a dual charger right in the box represents phenomenal value and effectively eliminates the runtime anxiety that holds many back from going cordless.

We wholeheartedly recommend this mower to any homeowner with a small to medium-sized lawn who is ready to ditch the noise, fumes, and maintenance of a gas-powered machine. It transforms a weekend chore into a quick and satisfying task. If you’re looking for a reliable, powerful, and remarkably easy-to-use mower that will leave both you and your lawn looking great, your search is over. Find out more and check the current price today to make the smartest upgrade to your lawn care routine you’ll make all year.