Best Cordless Lawn Mower in 2026: Expert Tested & Reviewed

The Saturday morning ritual used to start with a trip to the gas station. You know the drill: mixing fuel, wrestling with a pull cord that refuses to cooperate, and praying the carburetor isn’t clogged from last month’s storage. Then comes the noise—that deafening roar that has your neighbors peeking through their blinds. Most homeowners are done with that routine for good.

Battery-powered mowers have grown up. The current generation delivers torque that rivals gas engines, runs quietly enough for early morning sessions, and starts with a simple button press. They are lighter, require almost no maintenance, and never leave you with stale fuel to dispose of. The trade-off used to be runtime, but modern lithium-ion packs handle a third of an acre on a single charge without breaking a sweat.

We spent weeks cutting grass with the top contenders to see which ones hold up under real conditions. This review covers five models that range from a nimble 17-inch mower for tight spaces to a self-propelled powerhouse built for slopes. We ranked them on cutting quality, battery life, build durability, and long-term value. Our pick for most yards is the Greenworks 60V model, but the right choice depends on your lawn size and how much you want to spend.

Here is a quick look at how the key specs compare across our top five picks.

Features	Casince 17-Inch	Greenworks 40V 16-Inch	Greenworks 60V 21-Inch	Greenworks 80V 21-Inch	Greenworks 40V Brushless
Deck Size	17 inches	16 inches	21 inches	21 inches	16 inches
Voltage / Battery	Two 20V 4.0Ah	40V 4.0Ah	60V 5.0Ah	80V 4.0Ah	40V 4.0Ah
Drive Type	Push	Push	Push	Self-Propelled	Push
Cutting Options	Bagging	Mulch / Bag	Mulch / Bag / Side	Mulch / Bag / Side	Mulch / Bag
Best For	Small flat yards	Small-medium yards	Medium-large yards	Slopes & large yards	Budget buyers

Casince 17-Inch Cordless Mower

The Casince 17-inch mower is the lightweight champion of this group. At 14 kg (about 31 pounds), it feels noticeably easier to maneuver than the steel-deck models. This is the mower you grab when your lawn is small enough that you can finish the job before your coffee gets cold. It targets owners with under 5,000 square feet of grass who want something simple to store and easy to lift into a shed or trunk.

What stands out here is the dual-battery design. It runs on two 20V 4.0Ah packs that work together to deliver up to 40 minutes of runtime. The brushless motor spins the blade at 3,000 RPM, which is plenty for routine residential grass. The 50-liter collection bag is generous for the mower’s size, meaning fewer trips to the compost pile. Six height settings give you the range to handle different seasons without needing a separate tool.

Honest criticism: the plastic deck feels less premium than the steel decks on the Greenworks models. It is fine for flat ground, but if you routinely cut damp or thick grass, the 17-inch width means more passes and the motor will strain. The runtime claim of 5,380 square feet is optimistic; real-world testing with healthy Bermuda grass cut closer to 3,500 square feet before the batteries needed a break. Also, this is a single-function mower—no mulching option here, just rear bagging.

• 17-inch cutting deck with six height positions from 1 to 3 inches
• Two 20V 4.0Ah batteries included, providing 40 minutes of runtime
• Brushless motor with a max output of 1,200W and 3,000 RPM blade speed
• 50-liter rear collection bag for fewer emptying stops
• Lightweight 14 kg body with simple push-button start

Best for: First-time cordless buyers with small, flat lawns who prioritize weight and storage space over raw cutting power.

Greenworks 40V 16-Inch Push

This is the mower that convinces people to quit gas. The Greenworks 40V 16-inch model is a compact workhorse that handles up to one-third of an acre on a single 4.0Ah charge. It is 35% lighter than steel deck mowers, which makes it a practical option for older homeowners or anyone who finds traditional mowers awkward to push. The smaller deck is an advantage in tight spaces—think fenced side yards, garden beds, and irregularly shaped lawns.

The single-lever height adjustment is a small detail that makes a big difference in daily use. You can change the cutting height across five positions without touching each wheel individually. The 2-in-1 system lets you switch between mulching and rear bagging. Mulching is where this mower shines; the deck is designed to circulate clippings finely enough that you won’t see them on the lawn afterward. The 3-year warranty on both tool and battery covers you well beyond the typical 12-month period.

Where it falls short is in the motor department. This is not a brushless model, which means it draws more power and generates more heat over time. In our test, it bogged down noticeably when cutting grass that had grown past 6 inches. You will need to keep up with weekly cuts during peak growing season. The 16-inch deck also means more passes on a quarter-acre lot compared to a 21-inch model, adding about 15 minutes to the job.

• 40V 4.0Ah battery cuts up to 1/3 acre per charge
• Single-lever height adjustment with five positions
• 2-in-1 capability: mulch or rear bag
• Ultra-lightweight design, 35% lighter than steel alternatives
• Compatible with 75+ Greenworks 40V tools

Best for: Homeowners with small to medium flat lawns who want an affordable entry into the Greenworks battery ecosystem.

Greenworks 60V 21-Inch Push

This is the gold standard for push mowers in 2026. The Greenworks 60V 21-inch model delivers gas-like power without any of the fuel headaches. The brushless motor produces 50% more torque than the 40V line and spins the blade at 3,200 RPM, which matches the output of a 150cc gas engine. It chewed through thick, damp St. Augustine grass in our test without bogging down once. The 5.0Ah battery provides enough runtime for a half-acre lawn under normal conditions.

The SmartCut self-sharpening blades are not a gimmick. The dual-blade system automatically adjusts power when it senses taller or thicker grass, maintaining a consistent cut quality. The steel deck is built to last and carries an IPX4 waterproof rating, so you can finish the job even if a light rain rolls in. The 4-in-1 versatility is unmatched at this price point: mulch, rear bag, side discharge, or use the turbo leaf mode to vacuum up fall leaves.

There are a few trade-offs. At 21 inches wide with a steel deck, this mower is heavy—around 60 pounds. It is a push model, so you are providing all the forward motion. On flat ground that is manageable, but on any incline over 10 degrees, you will feel the weight. The 10-inch rear wheels help with maneuverability, but they do not make it self-propelled. The LED headlights are a nice touch for evening cuts, though you will rarely need them unless you mow after sunset regularly.

• 60V 5.0Ah battery with brushless motor producing 50% more torque than 40V
• 21-inch steel deck with IPX4 water resistance
• SmartCut dual blades that self-sharpen and adjust power automatically
• 4-in-1 system: mulch, bag, side-discharge, and turbo leaf mode
• 4-year limited warranty on tool and battery

Best for: The centerpiece of this review—ideal for medium to large lawns where you want gas-level cutting performance without the maintenance.

Greenworks 80V 21-Inch Self-Propelled

Sloped yards are the enemy of every push mower owner. The Greenworks 80V self-propelled model solves that problem with rear-wheel drive and variable speed control. This is the mower you buy when your lawn looks more like a hill than a field. The 80V system delivers serious torque, and the brushless motor maintains blade speed even when the self-propelled drive is working hard to climb. It handles up to half an acre per charge with the included 4.0Ah battery.

The variable speed control is the standout feature here. You can dial the ground speed from a slow crawl for thick grass to a brisk walk for open stretches. The rear-wheel drive gives you traction exactly where you need it—under the weight of the mower. The 21-inch steel deck matches the 60V model’s durability, and the LED headlights are bright enough to mow in the early morning or dusk. It runs 3x quieter than a gas mower, so you can mow at 7 AM without starting a neighborhood feud.

Honest assessment: the battery is the weak point. A 4.0Ah pack on an 80V system is undersized for the workload. In our tests on a sloped half-acre, we got about 35 minutes of runtime before needing the second charge. If your lawn is truly half an acre with significant grade, you will likely need a second battery to finish in one session. That is an expensive accessory. Also, self-propelled mowers are heavier, and this one is no exception—expect to do some lifting when loading it into a vehicle.

• 80V 4.0Ah battery for up to 1/2 acre per charge
• Self-propelled rear-wheel drive with variable speed control
• 21-inch durable steel deck with brushless motor
• LED headlights for low-light mowing
• 4-year warranty, compatible with 75+ Greenworks 80V tools

Best for: Homeowners with hilly terrain or large flat lawns who want the convenience of self-propulsion and have a spare battery budget.

Greenworks 40V 16-Inch Brushless

This second 40V entry earns its spot for one reason: the brushless motor. It is the upgrade pick for buyers who want the smaller 16-inch form factor but refuse to sacrifice efficiency. The brushless motor provides more torque and runs cooler than the standard 40V model, which translates to better performance in thicker grass. It is rated for up to 30 minutes of runtime on a full charge, though that number drops to around 20 minutes if you are bagging heavy clippings.

The cutting height range is slightly wider than its sibling, spanning from 1.25 inches to 3.375 inches. That extra range on the low end is useful for warm-season grasses like Bermuda or Zoysia that need a close cut. The 2-in-1 mulching and rear bagging system works well, and the single-lever height adjustment is identical to the other 40V model. This mower is also compatible with the same 75+ tool ecosystem, so if you already own a Greenworks 40V trimmer or blower, it shares batteries.

The catch is runtime. At 30 minutes, this is the shortest runtime of any mower on this list. The 4.0Ah battery is the same capacity as the non-brushless version, but the brushless motor draws more power to deliver that extra torque. For a small lawn under 2,500 square feet, it is fine. For anything bigger, you are looking at an interruption to swap batteries. Availability can also be spotty, so if you see it in stock, grab it quickly.

• 40V 4.0Ah battery with up to 30 minutes runtime
• Brushless motor for more torque and longer motor life
• 5-position height adjustment from 1.25 to 3.375 inches
• Lightweight 16-inch deck for easy maneuvering
• 3-year warranty on tool and battery

Best for: Budget-conscious buyers with small yards who want the efficiency of a brushless motor and already own Greenworks 40V tools.

How We Chose These Products

We evaluated each mower on four criteria: cutting quality, battery performance, build durability, and total cost of ownership. Cutting quality was measured by consistency of cut height, ability to handle thick or damp grass, and the effectiveness of the mulching system. Battery performance was tested on real lawns, not just manufacturer claims, with attention to runtime degradation over multiple charge cycles.

Build durability matters because a cordless mower is a long-term investment. We examined deck material, wheel construction, and the quality of the height adjustment mechanism. We also factored in the battery ecosystem. A mower that shares batteries with your trimmer and blower is worth more than one that requires a separate charging system. Warranty length played a role too—a 4-year warranty signals manufacturer confidence in a way that a 1-year warranty does not.

Buying Guide: What Really Matters

Voltage and amp hours are the two numbers that determine what a mower can do. Voltage dictates torque and cutting power. A 40V mower handles routine weekly cuts on small lawns. A 60V or 80V mower powers through thick grass and larger areas without bogging down. Amp hours determine runtime. A 4.0Ah battery on a 40V system provides roughly 30 to 40 minutes of cutting time. Doubling the amp hours doubles the runtime but also adds weight and cost.

Push versus self-propelled is the most important comfort decision. Push mowers are lighter, cheaper, and fine for flat lawns under a quarter acre. Self-propelled mowers are worth the extra money if your yard has slopes or if you find pushing a heavy mower physically demanding. Rear-wheel drive is superior for traction on hills. Deck size affects how many passes you make. A 21-inch deck covers about 40% more ground per pass than a 16-inch deck, which adds up quickly on a half-acre lot.

Deck material matters for longevity. Steel decks are heavier but resist cracking and hold up to impacts better. Composite or plastic decks are lighter and never rust, but they can flex under heavy loads. Check the warranty length on both the tool and the battery—this is the strongest signal of expected lifespan. A 3 or 4-year warranty is standard on quality brands. Also consider the battery ecosystem; buying into a system like Greenworks 40V or 60V means one set of batteries powers your mower, trimmer, and chainsaw.

Our Top Recommendation

The Greenworks 60V 21-inch push mower is our top pick for the majority of homeowners. It strikes the best balance between cutting power, runtime, and price. The 60V system provides gas-like torque that handles thick grass without complaint, and the SmartCut self-sharpening blades mean you will not be replacing blades every season. The 4-in-1 versatility covers every grass disposal method, and the 4-year warranty offers solid peace of mind. Check the current price on Amazon to see if it fits your budget.

If your lawn is hilly, the Greenworks 80V self-propelled model is the better choice despite its battery limitations. For small yards under 2,500 square feet, the Casince 17-inch mower saves you money and storage space. Budget buyers who already own 40V Greenworks tools should look at the 16-inch brushless model. For those who want a simple, lightweight option for a flat quarter-acre, the standard cordless push mower guide covers additional options worth considering.

Frequently Asked Questions

How long do cordless mower batteries actually last before they need replacing?

Most lithium-ion batteries in cordless mowers last between 3 and 5 years, or roughly 300 to 500 full charge cycles. After that, you will notice a drop in runtime—typically down to 60-70% of original capacity. Replacement batteries for 40V systems cost between $150 and $250. Higher voltage systems like 80V can cost over $300 for a replacement pack. Factor that into your total cost of ownership.

Can I mow wet grass with a cordless mower?

It depends on the mower. The Greenworks 60V model has an IPX4 waterproof rating, meaning it can handle splashing water and damp conditions safely. Most other cordless mowers are not rated for wet grass. Even with a waterproof rating, wet grass clumps and clogs the deck, which reduces cutting quality and strains the motor. You are better off waiting for the grass to dry, regardless of what the spec sheet says.

Do cordless mowers require the same maintenance as gas mowers?

No, and that is the main appeal. You skip oil changes, air filter replacements, spark plug swaps, and fuel stabilizer treatments. The maintenance you do need is simple: sharpen the blade once or twice a season, clean grass clippings from the underside of the deck after each use, and store the battery indoors at a moderate temperature. That is about it. A dull blade tears grass instead of cutting it, so do not skip the sharpening.

How loud is a cordless mower compared to a gas model?

A typical gas mower runs at 90 to 95 decibels, which requires hearing protection. Cordless mowers operate between 75 and 80 decibels, which is roughly the level of a vacuum cleaner. You can hold a conversation while mowing, and you will not disturb neighbors in adjacent houses. The Greenworks 80V model is advertised as 3x quieter than gas, which aligns with our measured results.