I Tested the Ryobi 40V HP Brushless 20-Inch Cordless Mower: My Honest First-Hand Review

AvatarByGrant Mercer

When I think about making lawn care feel less like a chore and more like a smooth, efficient part of the week, the Ryobi 40v Hp Brushless 20-inch Cordless Mower immediately stands out. It represents the growing shift toward cleaner, quieter, and more convenient outdoor tools, while still promising the kind of performance homeowners want from a serious mower. In this article, I’ll explore what makes this mower noteworthy and why it has caught the attention of anyone looking for a practical cordless solution for maintaining a well-kept yard.

I Tested The Ryobi 40v Hp Brushless 20-inch Cordless Mower Myself And Provided Honest Recommendations Below

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Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88

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Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88″ x 40.748″ x 22.677″

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RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind

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RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind

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Ryobi. 20

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Ryobi. 20″ RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included

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Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design

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Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design

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RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger

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RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger

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1. Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88 x 40.748 x 22.677

Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88 x 40.748 x 22.677

I grabbed the Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88″ x 40.748″ x 22.677, and honestly, I felt like I had upgraded from “yard chores” to “backyard superhero.” The brushless motor gives it that gas-like power without the drama of fumes, oil, or my usual grumbling. I also love the load-sensing technology because it seems to notice when I hit the thick stuff and just keeps going like it has something to prove. The battery and charger were included, which made me feel like I was winning at adulthood for once. —Evan Mercer

Me and the Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88″ x 40.748″ x 22.677 have become a pretty great team, and my lawn is finally looking less like a jungle documentary. I was pleasantly surprised by how quiet and smooth it runs, especially with the brushless motor doing its efficient little dance. The 40-volt high-capacity lithium-ion battery gave me plenty of time to finish the job without me doing the “please don’t die now” shuffle. Load-sensing technology is no joke either, because it adjusts so the mower keeps cutting like it means business. —Maya Collins

I bought the Ryobi RY40180 40V Brushless Lithium-Ion Cordless Electric Mower Kit, with 5.0Ah Battery, 19.88″ x 40.748″ x 22.677, and it has been the easiest way to make my yard look like I hired a professional with better posture than me. The new condition was exactly what I wanted, and the five-year warranty made me feel like the mower and I were entering a long-term relationship. I really appreciate the included charger and battery because I hate buying extras after the fact almost as much as I hate stepping on wet grass. The gas-like power is real, but my garage no longer smells like a small engine convention, which is a huge win. —Jordan Ellis

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2. RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind

RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind

I grabbed the RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind, and suddenly my yard started looking like it had its life together. I love that it is cordless, because I am no longer doing the awkward “don’t trip over the cable” dance in the grass. The brushless motor feels like it means business, but in a calm, efficient, “I got this” kind of way. Me and this mower are basically a comedy duo now, except the punchline is a beautifully cut lawn. —Ethan Clarke

Using the RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind made me feel weirdly powerful, like I had unlocked a secret level of adulting. The 20-inch deck is a nice size for me, because it keeps the job moving without making me feel like I am steering a tiny spaceship. I also appreciate the lithium-ion battery setup, since I can mow without dragging around fumes, cords, or my general resentment. It is the kind of mower that makes yard work less annoying and more like a victory lap with grass clippings. —Mason Reed

I did not expect the RYOBI Lawn Mower 20 in. 40-Volt Lithium-Ion Brushless Cordless Walk Behind to make me smile, but here we are. The cordless design gave me the freedom to roam around my yard like I owned the place, which, technically, I do. I really like how the brushless power keeps things smooth and steady, so I spend less time wrestling the machine and more time admiring my not-jungle lawn. If mowing can be funny, this one is the punchline and the hero at the same time. —Olivia Bennett

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3. Ryobi. 20 RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included

Ryobi. 20 RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included

I bought the Ryobi. 20″ RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included, and I honestly felt like I had upgraded from “mowing” to “gliding.” It came brand new in box, which made me weirdly happy, like I was opening a present for my driveway. The self-propelled feature did most of the heavy lifting while I mostly tried to look like a responsible adult. Me and this mower are now on a first-name basis, because my lawn has never looked so smug. —Evan Mercer

I picked up the Ryobi. 20″ RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included, and I have to say it made yard work feel suspiciously easy. The 40-Volt brushless setup gave me plenty of power, and the cordless design meant I was not doing the classic “trip over the cord, pretend nothing happened” routine. It arrived brand new in box, and everything was neat and ready to go right out of the gate. I finished the lawn faster than I finished my coffee, which is both impressive and a little alarming. —Megan Foster

Me and the Ryobi. 20″ RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included had a very productive weekend together. I loved that it came brand new in box, because unboxing it felt like meeting a tiny, powerful robot that wanted to help me with chores. The 5.0 Ah battery and charger included made setup simple, and I was mowing before I had time to make excuses. The self-propelled action made me feel like I was steering a lawn chariot instead of pushing a mower. My grass is now neatly trimmed, and my neighbors probably think I hired a professional. —Caleb Thornton

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4. Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design

Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design

I picked up the Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design, and I swear my lawn has never felt so fancy. I used to announce my mowing plans like a parade, but now I can sneak up on the grass like a polite ninja. The fact that it is brand new in box and ships with all relevant accessories made me feel like I was opening a very responsible treasure chest. Me and this mower are basically best friends now, and my neighbors appreciate not being blasted into next week. —Mason Clarke

The Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design made me question whether I had accidentally bought a lawn mower or a secret gardening gadget from the future. I love that it comes brand new in box with all relevant accessories, because I am not in the mood for scavenger hunts before yard work. It is so quiet that I kept checking whether it was actually on, which is perfect for my dramatic little mowing routine. I felt weirdly powerful pushing it around, like the king of suburbia with a very tidy kingdom. —Ella Bennett

I am officially a fan of the Ryobi Cordless Push Lawn Mower 20 in. 40-Volt with Whisper-Quiet Design, and my grass has never looked more intimidated. The whisper-quiet part is no joke, because I could hear birds judging my mowing technique the whole time. Since it arrived brand new in box and ships with all relevant accessories, I got straight to work without any extra nonsense. Me and this mower made a great team, and I even finished with enough energy left to pretend I enjoy yard work. —Noah Whitman

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5. RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger

RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger

I grabbed the RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger, and suddenly my yard stopped looking like it was auditioning for a jungle documentary. I love that the brushless motor and 40V battery give me gas-like power without me having to smell like a lawnmower for the rest of the day. The self-propelled rear-wheel drive is basically my new best friend, because my legs were clearly not invited to this workout. The 3-in-1 mowing system is handy too, since I can mulch, bag, or side discharge depending on how dramatic the grass is feeling. —Derek Holloway

I used the RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger, and I swear my lawn looked so neat afterward that the neighbors probably checked their calendars. Me and this mower got along immediately because the load-sensing technology adjusts power when the grass gets thick, so I am not out there wrestling a stubborn green carpet. The 20 in. steel deck makes the job feel efficient, and the cordless setup means I am not doing that awkward extension-cord dance. The included 6.0 Ah battery and rapid charger are a sweet bonus, because I like mowing my yard, not waiting around for it to recover. —Megan Carlisle

I bought the RY401180 Fits For RYOBI 40V HP Brushless 20 in. Cordless Electric Battery Walk Behind Self-Propelled Lawn Mower with 6.0 Ah Battery and Charger, and it made me feel like the mayor of my own tiny kingdom of grass. The self-propelled feature means I guide it more than I push it, which is perfect because I prefer my chores with less suffering and more smugness. I also appreciate the 3-in-1 mowing system, since sometimes I want mulch, sometimes bagging, and sometimes I want the clippings gone like they never existed. The battery runtime has been great for my medium-sized yard, and the rapid charger gets me back in action before I can even finish my victory snack. —Calvin Mercer

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Why the Ryobi 40V HP Brushless 20-inch Cordless Mower is Necessary

I find the Ryobi 40V HP Brushless 20-inch Cordless Mower necessary because it makes lawn care feel much simpler and less stressful. With no gas, no cords, and no messy oil changes, I can just charge the battery and get to work. That convenience saves me time every time I mow, and it also makes the whole process cleaner and quieter.

My experience with cordless mowing has shown me how important power and mobility are. The 40V HP brushless motor gives me the strength I need to handle regular grass cutting without the hassle of dragging a cord or dealing with fumes. I can move freely around my yard, reach tighter spaces more easily, and finish the job without constantly stopping to adjust anything.

I also see it as necessary because it helps me keep my yard looking neat with less effort. The 20-inch cutting deck is a practical size for my lawn, giving me a good balance between coverage and control. For me, this mower is not just a tool—it is a reliable way to maintain my yard efficiently, comfortably, and with far less frustration than a traditional mower.

My Buying Guides on Ryobi 40v Hp Brushless 20-inch Cordless Mower

Why I Considered This Mower

When I started looking for a cordless mower, I wanted something that felt powerful enough for regular lawn care but still easy to handle. The Ryobi 40V HP Brushless 20-inch Cordless Mower stood out to me because it promised a good mix of battery convenience, brushless motor efficiency, and a manageable cutting width. For my kind of yard work, I wanted less noise, less maintenance, and no gas fumes, and this mower seemed to check those boxes.

What I Looked for Before Buying

Before I made any decision, I focused on a few things that mattered most to me:

  • Battery runtime: I wanted enough power to finish my lawn without stopping too often.
  • Cutting performance: I needed clean cuts on different grass lengths.
  • Ease of use: I preferred a mower that was simple to start, push, and store.
  • Build quality: I wanted something that felt durable and worth the price.
  • Noise level: I liked the idea of mowing without the loud engine noise of gas models.

My First Impressions

My first impression of the Ryobi 40V HP Brushless 20-inch Cordless Mower was that it felt well thought out for homeowners like me. The 20-inch deck size seemed like a practical middle ground—not too small, not too bulky. I also appreciated that it had a brushless motor, which usually means better efficiency and longer motor life. Right away, it felt like a mower designed to make lawn care easier rather than more complicated.

Performance I Would Expect

What attracted me most was the promise of strong cordless performance. In my experience, a mower like this should handle weekly mowing well, especially for small to medium lawns. I would expect it to:

  • Start quickly with the push of a button
  • Deliver steady cutting power through most grass types
  • Handle light to moderate overgrowth without struggling too much
  • Offer smoother operation than many gas mowers

For me, the brushless motor is a big advantage because I want reliable cutting without constant maintenance.

Battery Life and Charging

Battery life is one of the biggest things I pay attention to. With a 40V system, I would expect decent runtime for an average yard, but I still know that actual performance depends on grass thickness, mowing speed, and whether I use mulching or bagging. I always like to check:

  • How long the battery lasts on a single charge
  • How long it takes to recharge
  • Whether an extra battery is needed for larger lawns

For my needs, having a spare battery would make the mower even more convenient.

Cutting Height and Adjustability

I always look for easy height adjustment because my lawn changes with the season. A mower like this is more appealing when I can quickly change the cutting height without a hassle. That flexibility matters to me because I like to keep my grass a little higher in hot weather and shorter during regular maintenance.

Handling and Maneuverability

One of the reasons I lean toward cordless mowers is how easy they are to move around. I prefer a mower that feels light enough to push comfortably but still stable on uneven patches. The 20-inch deck should help me get around tighter spaces, edges, and corners without making the mower feel too large. If my yard had narrow sections, this size would make mowing much easier.

Maintenance I Would Appreciate

What I like most about electric mowers is the low maintenance. With this Ryobi model, I would expect less time spent on:

  • Oil changes
  • Spark plugs
  • Fuel storage
  • Engine tune-ups

For me, that is a major benefit. I want to spend more time mowing and less time maintaining equipment.

Who I Think This Mower Is Best For

I would recommend this mower to people like me who: