Walk-behind mowing has changed fast. Battery torque now rivals small gas engines, and self-propelled drive systems have quietly become the norm for anyone with a sloped yard or a lawn bigger than a city lot. I built this roundup for homeowners shopping across cordless, corded, and gas self-propelled platforms, so they can match drive power, cutting width, and runtime to the lawn they actually live with.
Your Options, Compared
Greenworks 80V 21in Push Lawn Mower
BILT HARD 15in Corded Electric Push Mower
EGO POWER+ 21in Self-Propelled LM2114SP
Casince 17in Walk Behind Cordless Mower
Greenworks Pro 80V 21in Push Mower
SKIL PWR CORE 40 20in Self-Propelled Mower
EGO Power+ 21in Cordless Push LM2112
PowerSmart 22in 170cc Self-Propelled Gas Mower
EGO Power+ 21in Self-Propelled LM2123SP-2
The Picks, Examined More Closely
Suburban lots in the quarter-to-half-acre range are exactly where this Greenworks earns its keep. The brushless motor (a motor with no carbon brushes, so it wastes less energy as heat and lasts longer than brushed designs) and steel deck handle thick bluegrass without bogging, and a single-lever height adjustment lets you swap between settings without rummaging for tools. Compared to the smaller BILT HARD corded pick later in this list, this one trades cord freedom for a heavier chassis, which feels planted on uneven ground.
For most homeowners stepping away from gas, the 4.0Ah battery slotting into the 80V family opens the door to a broader tool ecosystem. Lighter trimming, blower, and chainsaw batteries in the same platform can save on long-term ownership costs.
Points In Its Favor
- Brushless motor runs quieter and tends to outlast brushed equivalents, which matters during early-morning weekend sessions.
- 21-inch steel deck trims mowing time on mid-size lawns versus the 15-inch BILT HARD covered below.
- Single-lever height changes speed up routine tweaks between cutting heights.
- Rapid charger included, getting you back on the lawn quickly between cuts.
Points To Note
- Battery and charger ship together here, while the Greenworks Pro 80V below is tool-only, so existing Greenworks owners may pay for duplicates.
- Steel deck adds weight, so storage on a small patio shelf takes planning.
Built For The Daily User
Anyone with a quarter-to-half-acre lawn who wants quiet weekend mowing without gas fumes will feel right at home with this Greenworks.
Swap It Out When
Homeowners already holding Greenworks 80V batteries should consider the Greenworks Pro 80V instead, since it skips the bundled pack.
Tiny lawn, short extension cord, zero storage space? That is the use case this BILT HARD was designed around. The 11-amp motor (amps measure how much electrical current the motor pulls; more amps usually means more cutting power) reaches 3300 RPM, and five cutting heights from 1 to 3 inches handle most common turf grasses without complaint. The foldable handle and compact 35L collection bag are welcome touches for apartment dwellers and small-lot owners, while the earlier Greenworks 80V is the heavier, cord-free counterpart aimed at bigger spaces.
Real-world ownership boils down to cord management: this mower runs as long as the outlet does, but you’ll want a heavy-duty outdoor extension cord rated for the load.
What Helps Most
- Lightweight frame makes it easy to carry down basement stairs or hang on a garage hook.
- Foldable handle shrinks the storage footprint for tight closets and sheds.
- Five-position height adjustment covers most seasonal cutting preferences.
- Corded power means no battery anxiety on the day you finally get around to mowing.
Things To Consider
- 15-inch cutting deck requires more passes than the 21-inch Greenworks models, so large yards become a slog.
- Being corded limits reach, and managing the cable while turning takes a bit of practice.
Best Suited To
Small-yard owners who want a no-fuss, no-battery mower they can store in a hallway closet will appreciate this BILT HARD.
Reach For A Different Pick When
Homeowners with a quarter acre or more should reach for the Greenworks 80V 21in Push Lawn Mower for fewer passes.
This is the cordless mower for someone who used to mow with gas and never wants to go back. EGO quotes 6.0 foot-pounds of cutting torque (a measure of rotational force, which translates to blade-biting aggression in thick grass), which sits well above the cordless norm, and the high-efficiency brushless motor keeps vibration low and the experience smooth. Dual-lever self-propel engagement plus a fingertip speed dial let you set pace on slopes without breaking stride, an upgrade over the push-only Greenworks models above.
For buyers building out an EGO platform, this LM2114SP slots into the same 56V ARC Lithium battery family used across trimmers, blowers, and chainsaws, so the long-term flexibility is real.
The Upside
- Self-propel drive with adjustable speed dial softens the work on inclines.
- 6.0 ft-lbs of torque rivals small gas engines, useful for neglected turf.
- Cross-compatible 56V ARC Lithium battery opens the door to a broader EGO tool kit.
Honest Caveats
- Premium positioning means this costs more than entry-level cordless picks like the Casince below.
- Battery and charger ship with this kit, so EGO owners with spares may double up.
Key Product Details
Made For
Homeowners with sloped or rough terrain who want gas-like performance without the noise and exhaust will appreciate this EGO.
A Better Fit Elsewhere
Flat-lot owners on a tighter budget should consider the Greenworks 80V 21in Push Lawn Mower for similar cutting width at lower cost.
The Casince name won’t ring as many bells as EGO or Greenworks, yet the spec sheet quietly handles small-lot mowing chores well. Two 20V 4.0Ah batteries feed a 17-inch deck, and six height positions between 1 and 3 inches let you match seasonal growth. Think of it as a sensible middle child between the corded BILT HARD covered earlier and the wider 21-inch cordless options. For most first-time cordless owners, the included dual-battery setup solves the most common complaint: running out of juice halfway through the back yard.
Owners commonly report that dual-battery setups cut downtime, and the included charger keeps everything in one box.
Strong Points
- Two batteries included extend total runtime for lawns up to roughly half an acre.
- Six height settings cover a wider range than the five-step BILT HARD.
- 17-inch deck balances maneuverability in tight spaces with reasonable cut width.
A Few Limitations
- Push-only design, with no self-propel drive like the EGO LM2114SP above.
- Less established brand means long-term parts availability may be a question worth checking.
Who It Suits Best
First-time cordless mower owners with smaller, flat lawns who want batteries included without stepping up to a 21-inch deck will find this Casince a sensible match.
Look Elsewhere When
Anyone dealing with slopes or larger lawns should look at the EGO POWER+ 21in Self-Propelled LM2114SP for genuine self-propel help.
The “tool only” tag tells you exactly who this Greenworks Pro is for: shoppers already holding 80V batteries from trimmers, blowers, or chainsaws. A brushless motor feeds a 21-inch deck with a 3-in-1 system for mulching, rear bagging, and side discharge, and a turbo button helps push through heavier patches. Compared to the Greenworks 80V Push Mower reviewed first, this Pro skips the bundled battery and charger, so existing 80V owners avoid paying for duplicates.
For owners in cold or wet climates, the 80V platform’s higher voltage handles voltage sag (the drop in power output as a battery drains) better than 40V systems under load.
Practical Pluses
- Tool-only pricing suits shoppers already invested in the Greenworks 80V family.
- 3-in-1 cutting system offers mulching, bagging, and side-discharge flexibility.
- Brushless motor delivers quiet operation and tends to outlast brushed designs.
Things To Weigh
- No battery or charger included, so first-time buyers will need to add those separately.
- Push-only drive, so sloped yards demand more leg work than the SKIL self-propelled pick below.
Core Details
Whose Shelf It Belongs On
Greenworks 80V owners with spare batteries on the shelf will see this tool-only mower as a logical next purchase.
Where A Sibling Pick Shines
First-time cordless shoppers should look at the SKIL PWR CORE 40 20in Self-Propelled Mower for a complete kit with self-propel included.
The SKIL PWR CORE 40 sits at a useful middle ground between budget cordless and premium cordless platforms. A 40V brushless motor drives a 20-inch deck, and a variable-speed dial lets you throttle the self-propel pace to match walking speed or terrain. The Auto PWR JUMP charger offers a faster top-up between sessions, which can rescue you on a half-finished yard. Compared to the EGO LM2114SP, this SKIL trades brand prestige for a more accessible entry point while still delivering variable-speed self-propel.
For mixed-terrain yards, the variable-speed dial is the kind of feature that quietly saves effort across an entire season.
A Favorable Mix
- Variable-speed self-propel lets owners set walking pace, especially on slopes.
- Push-button start removes the recoil-pulling common with gas mowers.
- Auto PWR JUMP charger speeds up turnaround between cuts.
- Brushless motor pairs with 40V lithium technology for steady torque delivery.
Trade-Offs
- 20-inch cutting deck is slightly narrower than the 21-inch Greenworks and EGO picks above.
- Smaller 40V platform means runtime may lag larger 56V or 80V systems under heavy loads.
Quick Technical Notes
Right Fit For
Homeowners with mixed terrain who want dial-controlled self-propel without stepping into the premium EGO price range will like this SKIL.
Skip It When
Owners running other cordless platforms should skip this and choose a mower that matches their existing batteries, like the Greenworks Pro 80V for 80V households.
The LM2112 trims away self-propel and touchscreen extras to focus on the core EGO experience: a 56V ARC Lithium battery feeding a brushless motor with 6.0 ft-lbs of torque. If neighbors have complained about loud Saturday mowing, the quiet operation is a relief. A 21-inch deck and 35 minutes of runtime per charge cover smaller lawns comfortably, while the SKIL PWR CORE 40 above offers self-propel help if your yard has slopes.
For first-time EGO shoppers, the 56V ARC Lithium battery feeds dozens of other tools in the same ecosystem, so the entry cost stretches across future purchases.
Positive Points
- 56V ARC Lithium battery gives the motor serious headroom for thick turf.
- Brushless motor keeps noise low, ideal for early-morning sessions.
- 21-inch deck competes with the wider Greenworks models on cut width.
Worth Noting
- Push-only drive, so larger yards without self-propel may tire the operator faster.
- Up to 35 minutes of runtime is shorter than the EGO LM2123SP-2 covered last.
Who Should Grab It
Homeowners with flat, smaller lawns who want premium battery torque without paying for self-propel should grab this LM2112.
Consider Something Else When
Yard owners with slopes or larger turf should consider the EGO Power+ 21in Self-Propelled LM2123SP-2 for runtime plus Touch Drive.
For homeowners who measure lawn size in acres rather than square feet, a 170cc gas engine still makes practical sense. The PowerSmart pairs that engine with rear-wheel self-propel and a 22-inch steel deck, the widest cut in this roundup. Auto choke and recoil start keep ignition simple, and the gas platform means no batteries to charge between sessions. Compared to the EGO LM2123SP-2 covered last, this PowerSmart trades quiet electric operation for raw, refill-anywhere runtime.
For owners with detached garages, routine maintenance like oil changes and spark plug swaps is part of the ownership rhythm, though widely reported as straightforward for walk-behind gas engines.
Positive Takeaways
- 22-inch steel deck trims mowing time on lawns over half an acre.
- 170cc OHV engine (overhead valve, a design that improves combustion efficiency and reduces carbon buildup) handles tall grass without complaint.
- Self-propelled rear-wheel drive aids traction on slopes and uneven ground.
A Few Limitations
- Gas engine requires oil changes, spark plug service, and fuel storage, unlike cordless options.
- Louder operation than any cordless pick above, which matters in close-quarter neighborhoods.
Feature Snapshot
Perfect Match For
Owners of large lawns with detached garages who prefer gas runtime and simple recoil starting will find this PowerSmart a solid match.
Not Your Match When
Close-quarter homeowners with noise-sensitive neighbors should pass on this gas mower and look at the EGO Power+ 21in Self-Propelled LM2123SP-2 instead.
EGO’s 600 Series tops this roundup with two batteries (a 56V 6.0Ah and a 4.0Ah) for up to 80 minutes of runtime, paired with their Touch Drive self-propel system. Touch Drive responds to palm pressure on the handle, which feels intuitive once you try it. The same 6.0 ft-lbs of torque from the LM2114SP returns here, so cutting power stays consistent. For homeowners who would otherwise buy gas, this is the cordless platform most likely to change their mind.
For larger yards, the dual-battery setup closes the runtime gap with small gas engines while keeping noise and maintenance requirements low.
Everyday Advantages
- Up to 80 minutes of runtime covers larger lawns without mid-cut recharging.
- Touch Drive self-propel responds to palm pressure, feeling natural on slopes.
- 6.0 ft-lbs of torque powers through thick, fast-growing turf.
- Two included batteries remove the most common cordless ownership complaint.
Where It May Fall Short
- Higher-tier pricing reflects the dual-battery kit, so budget shoppers should look at the EGO LM2112 instead.
- Battery storage and charging take planning in winter months for owners in cold climates.
Spec Overview
Built With In Mind
Homeowners with bigger lawns who want cordless convenience without mid-cut recharging should put this EGO at the top of their list.
Where Another Pick Suits Better
Budget-focused shoppers with smaller lawns may find the EGO Power+ 21in Cordless Push LM2112 a better match for their needs.
What To Weigh Before Choosing Self-Propelled Lawn Mower Engines
Drive Type And Terrain
Self-propelled engines fall into front-wheel, rear-wheel, and all-wheel drive, and each behaves differently on slopes. Rear-wheel drive tends to grip better on inclines because weight shifts backward as you mow uphill. For mostly flat lawns, front-wheel drive maneuvers more easily around landscaping. Variable-speed dials like the one on the SKIL PWR CORE 40 let you match pace to your stride, which is the kind of feature that quietly saves effort across a season.
Power Source And Runtime
Cordless self-propelled mowers lean on battery platforms, and platform voltage (40V, 56V, 80V) shapes torque and runtime. Higher-voltage systems generally handle voltage sag better under load. Gas engines still rule for unlimited runtime and quick refueling, but they trade that for noise, exhaust, and seasonal maintenance like oil changes and spark plug swaps. For mixed-terrain lawns, runtime plus torque matters more than deck width.
Deck Size And Storage
Deck width determines how many passes it takes to cover a lawn. The 22-inch PowerSmart covers ground fastest, while a 15-inch corded BILT HARD keeps storage tight. Folding handles and lighter frames make seasonal cleanup easier for owners with limited garage or shed space, and steel decks generally outlast plastic ones but add weight you feel during turns.
Battery Compatibility
For shoppers already owning cordless tools, matching the mower to your existing platform avoids duplicate batteries and chargers. Greenworks 80V owners, EGO 56V ARC Lithium households, and SKIL 40V PWR CORE 40 households each have a natural fit in this roundup. Buying into a new platform adds upfront cost but opens the door to future tool expansion.
Key Considerations Across These Picks
Common Shopping Slip Ups
The most frequent mistake is buying a mower whose deck width doesn’t match the lawn size. Tiny yards with 22-inch monsters become awkward around flower beds, while half-acre lawns with 15-inch mowers become endurance tests. Another slip is ignoring battery platform compatibility; a bare tool on the wrong platform forces a second purchase of batteries and a charger. Runtime estimates also tend to look generous on paper, and real-world mowing in thick grass drains packs faster.
What The Higher Tier Buys
Premium self-propelled cordless mowers like the EGO LM2123SP-2 buy longer runtime from dual-battery kits, Touch Drive self-propel, and higher torque for thick grass. The upgrade pays off for larger lawns, sloped terrain, or anyone who would otherwise burn through a gas mower’s maintenance schedule. For flat small lots, the higher tier mostly buys features that go unused, which is why mid-tier picks like the Greenworks 80V often make more sense for first-time cordless shoppers.
Frequently Asked Questions
How Long Do Self-Propelled Lawn Mower Batteries Last?
Most cordless mower batteries deliver three to five seasons of typical residential use before noticeable capacity loss, though runtime drops gradually rather than failing outright.
Are Brushless Motors Worth The Extra Cost?
Brushless motors tend to run quieter, cooler, and last longer than brushed designs, which matters most for homeowners mowing weekly through the growing season.
Can Cordless Mowers Handle Wet Grass?
Cordless self-propelled mowers can tackle damp grass, though cutting wet turf drains batteries faster and leaves a less clean cut than dry conditions.
How Wide A Deck Do I Need?
Deck width mostly tracks lawn size: 15 to 17 inches suits small urban lots, 20 to 21 inches fits most suburban yards, and 22 inches or wider helps on larger properties.
Do Self-Propelled Mowers Require More Maintenance?
Self-propelled mowers add a drive system that may need occasional cable or gearbox checks, though brushless cordless models keep that maintenance light compared with gas engines.
The Takeaway
Cordless self-propelled mowers have closed the gap with gas for most suburban lawns, and the picks above show how varied that landscape has become. Match the drive system, deck width, and battery platform to the yard you actually mow, and the choice becomes much simpler. The right engine is the one that fits your terrain, your storage, and the way you like to mow.