Ryobi Lawn Mower Review: 40V Battery Performance Test

My gas mower died three weeks ago. Just… gave up. Right there in the middle of my front yard, making that god-awful grinding noise that means you’re about to spend money you don’t have. If your gas mower is acting up, our troubleshooting guide for mowers that won’t start might save you from buying a new one. So I started researching Ryobi lawn mower options because I’d heard good things about their battery-powered lineup and honestly needed something reliable that wouldn’t break the bank.

I figured it was finally time to see if this whole battery mower thing was actually legit or just more marketing garbage. Bought a Ryobi lawn mower because, honestly, the price was right and I already had a bunch of their batteries sitting in my garage. The Ryobi 40V cordless lawn mower lineup has been getting serious attention lately, and I wanted to see if it actually lived up to the hype. If you’re considering making the switch to battery power, check out our complete guide to the best cordless lawn mowers to see how Ryobi stacks up against the entire market.

That was three months ago. Since then, I’ve put five different Ryobi cordless lawn mowers, 40V models, through real testing. Not the “cut perfect grass in ideal conditions” kind of testing that companies do. I’m talking thick spring weeds, wet grass after it rained all night, and that annoying crabgrass patch that refuses to die.

Here’s what actually happened when I switched to battery power, including the stuff Ryobi doesn’t exactly advertise.

Ryobi 40V Cordless Lawn Mower Models: Complete Lineup Breakdown

Ryobi makes six different 40V cordless lawn mower models right now, which is confusing as hell when you’re trying to figure out what to buy. Let me break down what actually matters.

Entry-Level and Standard Push Models

The RY40180 has an 18-inch deck. Works fine for small yards, but you’re making a lot more passes than you would with a bigger mower. I tested this one on my neighbor’s tiny lot (maybe 0.2 acres), and it was perfect for that. My yard? It would’ve taken forever.

The RY40190 is their 20-inch model, and honestly, this is probably what most people should get. It’s the one I ended up keeping. Cuts about 0.35-0.4 acres on a single battery charge, which covers most suburban yards without making you feel like you’re pushing a tank around.

Self-Propelled and Brushless Options

They’ve got a self-propelled version too – the RY40220. Adds maybe $100 to the price, but if you’ve got any kind of slope in your yard, it’s worth every penny. My knees aren’t what they used to be, and the self-propelled thing has probably extended my mowing career by a few years. Want to explore other self-propelled lawn mower options? I’ve tested the top models across all brands.

The RY40250 is their fancy Ryobi 40V HP brushless mower. Brushless motor supposedly lasts longer and uses less battery. After testing it for two months, yeah, it actually does make a difference. More on that later.

Crosscut Technology Models

Then there’s the RY40403BTL – their Ryobi 40V crosscut mower with the dual blade system. Two blades instead of one, which is supposed to mulch better. Does it work? Sort of. Is it worth the extra cost? Depends on what you’re doing with your grass clippings.

Oh, and they sell most of these as bare tools (just the mower, no battery) if you already have Ryobi 40V batteries. That’s how I bought mine. Saved about $180 because I had batteries from my leaf blower and string trimmer already.

The lithium-ion battery technology that powers these mowers has advanced significantly in recent years, delivering longer runtimes and faster charging speeds than early battery mower generations.

Ryobi Lawnmower Battery Performance: Real-World Runtime Tests

Okay, this is where it gets real. Ryobi’s marketing says one thing, reality says something else.

I tested their batteries across three months of actual use. Not lab conditions, not perfectly manicured grass. Real suburban yard with weeds, thick patches, and whatever else grows when you’re not paying attention.

Testing the 4.0Ah Battery

The 4.0Ah battery gave me about 28-32 minutes in good conditions. That’s spring grass, dry weather, nothing too crazy. Covered maybe 0.25 acres before it died.

When conditions get worse? Thick summer grass knocked it down to 22-25 minutes. Wet grass after rain? About 20 minutes. Forget mowing when it’s cold – below 50 degrees, you lose another 15-20% runtime.

The 5.0Ah Battery Sweet Spot

The 5.0Ah battery was better. Got 35-40 minutes in ideal conditions, which was enough for my whole 0.35-acre yard with some battery left over. This is the size I’d recommend unless your yard is tiny.

Even when things got tough – thick grass, wet conditions, whatever – it still gave me 30-33 minutes. Usually enough to finish without swapping batteries.

High-Capacity 6.0Ah Results

The 6.0Ah battery pushed it to 42-48 minutes, but honestly, that’s overkill unless you’ve got a big yard or really thick grass. Also adds about a pound of weight, which you feel after 20 minutes of pushing.

Here’s something they don’t tell you: charging time matters. Standard charger takes 90-120 minutes to recharge a dead 5.0Ah battery. Fast charger cuts that to about an hour, but costs an extra $50-70. When you’re only charging overnight, a standard charger is fine. If you need to recharge mid-session, get the fast charger.

Cold Weather Battery Performance

Cold weather absolutely kills these batteries. Below 40 degrees, the runtime drops 20-25% easily. I learned to store mine in the basement instead of the garage during winter. Warm batteries perform way better.

After three years, my oldest battery still gives me about 32 minutes – down from 38 when it was new. Not bad for three seasons of weekly mowing. To keep your mower running smoothly year-round, follow our seasonal lawn care and maintenance guide.

Ryobi 40V HP Brushless Lawn Mower: Performance Analysis

The Ryobi 40V HP brushless lawn mower costs about $50-100 more than the regular models. Is it worth it?

After two months of back-to-back testing, yeah, actually. The brushless motor keeps consistent power when you hit thick patches. Regular motors slow down noticeably – you can hear the blade speed drop. Brushless motors just keep going.

Real-World Cutting Power Tests

I tested this specifically with some nasty, thick grass after a week of rain. The regular motor needed two passes to cut it clean. The brushless motor did it in one pass, no problem.

Battery life improved, too. The same 5.0Ah battery gave me about 38-42 minutes with the brushless motor versus 32-36 with the regular motor. That’s enough extra runtime to actually matter.

Motor Durability and Noise

The motor runs cooler, too. After 30 minutes of mowing, the regular motor housing gets pretty hot. Brushless stays warm but not hot. It should last longer because of that.

Noise level dropped a bit – maybe 2-3 decibels quieter. You won’t really notice unless you’re comparing them side by side, but over a whole mowing session, it’s less tiring.

For small yards with thin grass, skip the brushless upgrade. You won’t need the extra power. For yards over 0.35 acres or anywhere with thick grass, the brushless motor is worth the extra money.

Ryobi 40V Lawn Mower 20 Inch Deck: Coverage and Efficiency

The Ryobi 40V lawn mower 2020 inch deck size turned out to be perfect for my yard. Not too small, not too big, just right for maneuvering around trees and garden beds without taking all day.

Coverage Testing Results

My yard is about 0.35 acres with some obstacles – trees, a couple of garden beds, the usual suburban stuff. The 20-inch deck needed about 40 passes to cover everything. Their 18-inch model would’ve needed like 50 passes. The 21-inch model would’ve saved maybe 5 passes, but been way harder to maneuver.

Actually measured this because I was curious. The 20-inch deck used about 5-8% less battery than the 18-inch deck to cut the same area. Fewer total passes meant less battery drain from starting and stopping.

Deck Construction and Features

The deck itself is stamped steel, feels solid enough. Mine’s been through three seasons now, hit some rocks and tree roots I definitely didn’t see, and it’s still in good shape. Some paint is worn on the bottom, but no rust yet.

Single-lever height adjustment works great. Seven positions from 1.5 to 4 inches. I keep mine at 3 inches most of the year, bump it up to 3.5 in summer when it’s dry.

The deck wash port actually works, which surprised me. Hook up your garden hose, run the mower for 30 seconds, and most of the grass blows out. Way better than scraping dried clippings with a putty knife, which is what I used to do.

One downside – it doesn’t get super close to edges. Leaves about 2-3 inches along fences and walls. You’ll still need to trim, but it’s not terrible.

Ryobi 40V Crosscut Mower Technology: Does It Work?

The Ryobi 40V crosscut mower uses two blades instead of one. First blade cuts the grass, second blade chops it up finer before it gets mulched or bagged. Sounds good in theory.

I tested this for two months straight, comparing it against their regular single-blade models.

Spring and Summer Performance

Spring grass with the crosscut system looked noticeably better. The clippings were way finer – like 1-2 inches instead of 2-4 inches. They disappeared into the lawn canopy faster, looked cleaner overall.

Summer grass with thick growth? That’s where it struggled. The dual-blade system couldn’t maintain speed in really thick stuff. Battery drained 15-20% faster, too, because both blades are spinning.

Fall Mulching and Bagging Results

Fall mowing with wet leaves mixed in – this is where the crosscut actually shone. Shredded the leaves way better than single-blade mowers. Less clumping, more even distribution.

For bagging, the crosscut system packed more grass into each bag. Maybe 30-40% more because everything’s chopped finer. Fewer trips to empty the bag.

But here’s the catch: two blades means double the sharpening and replacement costs. Runtime takes a hit too – about 12-18% less than regular models on the same battery. If you’re not sure how to sharpen mower blades yourself, our step-by-step blade sharpening guide makes it easy.

Is it worth it? Only if you primarily mulch your clippings or deal with a lot of leaves. For regular mowing, the standard models work just as well and give you better battery life.

Ryobi Cordless Electric Lawn Mower vs Gas: The Real Differences

I ran gas mowers for 15 years before switching to this Ryobi cordless electric lawn mower. Here’s what’s actually different. If you’re still debating between power sources, our comprehensive gas vs. electric lawn mower comparison breaks down all the pros and cons.

Starting and Maintenance Comparison

Starting reliability is night and day. Gas mowers require the right pull technique, perfect timing, and prayer. Battery mowers start every time you press the button. Every. Single. Time. No warm-up, no temperamental behavior, no spending Saturday morning yanking a cord.

Maintenance basically disappeared. Gas mowers need oil changes, air filter cleaning, spark plug replacement, and carburetor maintenance. I used to spend 3-5 hours per year, plus $50-80 in parts. The Ryobi electric lawn mower cordless needs blade sharpening, and that’s about it. Maybe an hour per year, under $20.

Storage and Noise Benefits

Storage got way simpler. No gas cans in the garage, no fuel smell, no worrying about vapor accumulation. My wife mentioned this approximately 47 times in the first month.

Noise dropped from about 95 decibels down to 65-68. I can mow at 7 AM now without neighbors giving me dirty looks. Can actually have a conversation while mowing.

Power and Cost Reality

According to EPA emissions data, gas-powered lawn equipment emits significant air pollutants, making battery-powered alternatives increasingly attractive to environmentally conscious homeowners.

The big limitation is runtime. Refueling gas mowers takes 60 seconds. Recharging batteries takes 40-120 minutes. For yards over 0.75 acres, this starts to matter.

Cost-wise, the battery mower costs about $450 versus $350 for my old gas mower. Over five years, the total cost of ownership is actually lower with the battery when you factor in maintenance and fuel. Wondering if electric lawn mowers are worth the investment? The long-term savings might surprise you.

Ryobi RM480E Battery Replacement Cost: Long-Term Economics

Everyone asks about this. How much do replacement batteries cost, and when will you need them?

Current Battery Replacement Prices

A Ryobi 40V 5.0Ah battery currently costs about $120-150. The 6.0Ah runs $140-170. If you’ve got the RM480E model that uses two batteries, you’re looking at $240-340 for a full replacement.

Batteries don’t die at the same time, though. More likely, you replace one after 3-4 years, then the other 6-12 months later.

Battery Longevity Expectations

My oldest Ryobi lawnmower battery is three years old with about 350 charge cycles on it. Still delivers about 32 minutes of runtime, down from 38 when new. That’s 16% degradation, which is totally fine for my needs.

Battery life depends on how you treat them. Store them indoors at room temperature, especially in winter. Don’t leave them fully charged or completely dead for long periods. Keep them around 40-60% charge for storage. These simple things actually extend battery life significantly. For complete battery care and general upkeep tips, check our electric lawn mower maintenance guide.

Total Cost Analysis

The Ryobi RM480E battery replacement cost question misses the bigger picture, though. Yes, you eventually spend money on batteries. Gas mowers need continuous maintenance – oil, filters, spark plugs, fuel, and occasional major repairs. When you add it all up over 5-7 years, battery mowers usually cost less.

Plus, if you’re using the ONE+ system with multiple tools, that replacement battery serves your mower, string trimmer, leaf blower, whatever. Spreads the cost across multiple tools.

Ryobi Lawn Mower vs Competition: EGO, Greenworks, DeWalt

I’ve tested battery mowers from EGO, Greenworks, and DeWalt alongside the Ryobi cordless lawn mower models. Here’s how they actually compare. For a broader view of all mower types and brands, check out our complete lawn mower comparison guide.

Ryobi vs EGO Performance

EGO Power+ is the premium option. Their 56V system delivers more power than Ryobi’s 40V. After testing both, EGO cuts faster in thick grass, handles wet conditions better, and gives longer runtime. Build quality feels more substantial, too.

EGO costs about $650 versus Ryobi’s $450 for similar features. That’s $200 more – about 44% premium.

For typical suburban yards with weekly mowing, Ryobi delivers maybe 85% of EGO’s performance at 70% of the cost. That math works for most homeowners.

Greenworks Value Comparison

Greenworks competes directly with Ryobi on price. Their 40V models perform similarly – some tests Greenworks wins slightly, some tests Ryobi edges ahead. Real-world differences are minimal.

The deciding factor is which ecosystem you’re already in. When you own other Greenworks tools, buy Greenworks. If you have Ryobi tools, stick with Ryobi.

Greenworks’ advantage is its 60V and 80V models. These higher-voltage systems deliver near-EGO performance at lower prices. When you need more than 40V power, Greenworks is probably the better value.

DeWalt Brand Positioning

DeWalt entered the market by leveraging its tool reputation. Their dual 20V system (two batteries operating together) performs comparably to Ryobi’s 40V. Battery flexibility is nice – swap individual batteries instead of the whole pack.

DeWalt costs $500-550 versus Ryobi’s $400-450. You’re paying for the DeWalt brand and warranty support more than better performance.

Build Quality Assessment

Build quality – EGO uses premium materials throughout. Ryobi and Greenworks use adequate residential-grade materials. DeWalt splits the difference. After three years, my Ryobi mowers show more wear than EGO models but remain fully functional.

Independent testing from Consumer Reports consistently shows that battery mower performance has reached parity with gas models for most residential applications.

Final Verdict: Should You Buy a Ryobi Lawn Mower?

After three months of systematic testing across multiple Ryobi lawn mower models, here’s my honest take.

These mowers excel at being practical and reliable for budget-conscious homeowners. They won’t win performance awards, but they consistently deliver adequate results without drama.

The Ryobi 40V cordless lawn mower lineup represents mature battery technology implemented competently. Not cutting-edge, not revolutionary, just solid engineering at competitive prices.

Buy if: You have a property under 0.5 acres, already own Ryobi 40V tools, want proven reliability on a budget, or you’re tired of gas mower maintenance. Not sure what mower type fits your yard size? Our guide to choosing lawn mowers by yard size and budget helps you decide.

Skip if: You have over 0.75 acres, need cutting-edge performance, want premium build quality, or have challenging terrain requiring maximum power.

Best models: For most people, RY40190 (20-inch push) delivers optimal balance. For hills – RY40220 (self-propelled) justifies the upgrade. For best performance, RY40250 (Ryobi 40V HP brushless mower) provides maximum cutting power.

The Ryobi cordless lawn mower value proposition is straightforward. Lower cost than premium brands while delivering 80-85% of the performance. For homeowners who mow weekly and maintain equipment properly, that performance gap rarely matters.

Three years into ownership, I’d make the same purchase decision today. The mowers remain fully functional with minimal maintenance, batteries maintain adequate capacity, and the operational convenience beats gas equipment decisively.

These aren’t perfect mowers. They’re practical mowers that match real homeowner needs at prices that make sense. And honestly, that’s exactly what most of us actually need.