Buying Guide
Our Guide to the Best Push-Button Start Lawn Mowers
Best push-button start lawn mowers compared by starting system, deck size, drive type, battery capacity, and what happens if the starting battery runs down.
By Gardening Is Ezee Editors
10 min read7 products evaluated
Push-button start means different things depending on the mower. On a battery mower, push-button start is inherent to the design: there is no engine to prime or pull, just a safety key or bail lever and a start button. On a gas mower advertised with electric start, the button is powering a small starting battery that spins a normal gasoline engine, and that battery needs its own charging and maintenance separate from the fuel system.
We grouped the current lineup by starting system and drive type, then compared deck size, included battery capacity, self-propel availability, and what a buyer needs to know about backup starting before choosing a model. Because the current push-button lineup we reviewed is entirely battery-powered, every model below starts the same simple way: a safety key, a bail lever, and a button, with no pull cord and no separate starting battery to maintain.
Gardening Is Ezee field notes
The Garden Fit Check
A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.
- Start with the job
- EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114) leads this shortlist for buyers comparing capacity, compatibility, included components and storage needs. Use that fit as a reference point, then compare the alternatives against your own space and workload.
- Specs that separate the picks
- The first details to compare are 21-inch cutting deck. Confirm the exact model and included components before ordering.
- Trade-off to plan for
- Push drive only, so self-propel is not available on this model.
The Practical Shortlist
A garden-first look at 7 options, organized around the job each one suits best.
Best Overall
EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114)
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114) (opens in a new tab)
Best Self-Propelled Upgrade
EGO Power+ 21-Inch Cordless Electric Self-Propelled Lawn Mower (LM2134SP-2)
buyers who want push-button starting plus self-propelled drive on a full-size deck
Our take Check price for EGO Power+ 21-Inch Cordless Electric Self-Propelled Lawn Mower (LM2134SP-2) (opens in a new tab)
Best Alternative
Greenworks 80V 21-Inch Self-Propelled Lawn Mower, 4.0 Ah Battery and Charger
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for Greenworks 80V 21-Inch Self-Propelled Lawn Mower, 4.0 Ah Battery and Charger (opens in a new tab)
Best Value 21-Inch
Greenworks 60V 21-Inch Push Lawn Mower, 5.0 Ah Battery and Charger
buyers who want a full-width push-button deck without paying for self-propel
Our take Check price for Greenworks 60V 21-Inch Push Lawn Mower, 5.0 Ah Battery and Charger (opens in a new tab)
Best for Small Yards
Greenworks 40V 16-Inch Push Lawn Mower, 4.0 Ah Battery and Charger
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for Greenworks 40V 16-Inch Push Lawn Mower, 4.0 Ah Battery and Charger (opens in a new tab)
Best Budget Compact
MZK 40V 16-Inch 2-in-1 Brushless Cordless Push Lawn Mower
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for MZK 40V 16-Inch 2-in-1 Brushless Cordless Push Lawn Mower (opens in a new tab)
Also Consider
KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower, 2-in-1 Mulching
buyers comparing capacity, compatibility, included components and storage needs
Our take Check price for KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower, 2-in-1 Mulching (opens in a new tab)
Why Each Pick Made the Cut
Best Overall1 of 7
EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114) on Amazon (opens in a new tab)
The strongest case for EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114) is 56V battery and charger included so start-up needs no extra purchase.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
For buyers comparing capacity, compatibility, included components and storage needs, this is one of the more relevant configurations in the shortlist. The documented setup centers on 21-inch cutting deck, 56V battery platform, battery and charger included.
Its case starts with 56V battery and charger included so start-up needs no extra purchase. Its 56V battery platform specification sits at between the lower and upper ends of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
The trade-off worth checking first is push drive only, so self-propel is not available on this model. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 21-inch cutting deck
- 56V battery platform
- Battery and charger included
- Push drive
Pros
- 56V battery and charger included so start-up needs no extra purchase
Cons
- Push drive only, so self-propel is not available on this model.
Best Self-Propelled Upgrade2 of 7
EGO Power+ 21-Inch Cordless Electric Self-Propelled Lawn Mower (LM2134SP-2) on Amazon (opens in a new tab)
EGO Power+ 21-Inch Cordless Electric Self-Propelled Lawn Mower (LM2134SP-2) makes the shortlist because self-propelled drive reduces pushing effort on a 21-inch deck.
Best for
- buyers who want push-button starting plus self-propelled drive on a full-size deck
Why it made the shortlist
This model is aimed at buyers who want push-button starting plus self-propelled drive on a full-size deck. The documented setup centers on 21-inch cutting deck, self-propelled drive, cordless battery platform.
The most useful documented advantage is self-propelled drive reduces pushing effort on a 21-inch deck. Against the other 6 picks, the useful comparison starts with 21-inch cutting deck and self-propelled drive. Those details show whether its configuration suits the job better than a neighboring recommendation.
The main limitation to plan around is self-propel shares battery capacity with the blade, which can shorten runtime on hills or thick grass. Confirm the exact model number and included components before ordering. Check dimensions, compatibility and maintenance needs against the way you plan to use and store it.
Key dimensions & specs
- 21-inch cutting deck
- Self-propelled drive
- Cordless battery platform
- Push-button key start
Pros
- Self-propelled drive reduces pushing effort on a 21-inch deck
Cons
- Self-propel shares battery capacity with the blade, which can shorten runtime on hills or thick grass.
Best Alternative3 of 7
Greenworks 80V 21-Inch Self-Propelled Lawn Mower, 4.0 Ah Battery and Charger on Amazon (opens in a new tab)
Greenworks 80V 21-Inch Self-Propelled Lawn Mower, 4.0 Ah Battery and Charger is the better fit when buyers comparing capacity, compatibility, included components and storage needs.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
The intended use case is buyers comparing capacity, compatibility, included components and storage needs. The documented setup centers on 21-inch cutting deck, 80V 4.0Ah battery included, self-propelled drive.
What separates it on paper is 80V 4.0Ah battery and charger included, ready to start immediately. Its 80V 4.0Ah battery included specification sits at the upper end of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
Before committing, account for self-propel and blade use share the same battery pack, which can limit runtime under load. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 21-inch cutting deck
- 80V 4.0Ah battery included
- Self-propelled drive
- Push-button key start
Pros
- 80V 4.0Ah battery and charger included, ready to start immediately
Cons
- Self-propel and blade use share the same battery pack, which can limit runtime under load.
Best Value 21-Inch4 of 7
Greenworks 60V 21-Inch Push Lawn Mower, 5.0 Ah Battery and Charger on Amazon (opens in a new tab)
Greenworks 60V 21-Inch Push Lawn Mower, 5.0 Ah Battery and Charger makes the shortlist because 21-inch deck with a 60V 5.0Ah battery included.
Best for
- buyers who want a full-width push-button deck without paying for self-propel
Why it made the shortlist
This model is aimed at buyers who want a full-width push-button deck without paying for self-propel. The documented setup centers on 21-inch cutting deck, 60V 5.0Ah battery included, push drive.
The most useful documented advantage is 21-inch deck with a 60V 5.0Ah battery included. Its 60V 5.0Ah battery included specification sits at between the lower and upper ends of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
The main limitation to plan around is no self-propel, so pushing effort is higher on larger or sloped lawns. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 21-inch cutting deck
- 60V 5.0Ah battery included
- Push drive
- Push-button key start
Pros
- 21-inch deck with a 60V 5.0Ah battery included
Cons
- No self-propel, so pushing effort is higher on larger or sloped lawns.
Best for Small Yards5 of 7
Greenworks 40V 16-Inch Push Lawn Mower, 4.0 Ah Battery and Charger on Amazon (opens in a new tab)
Greenworks 40V 16-Inch Push Lawn Mower, 4.0 Ah Battery and Charger is the better fit when buyers comparing capacity, compatibility, included components and storage needs.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
The intended use case is buyers comparing capacity, compatibility, included components and storage needs. The documented setup centers on 16-inch cutting deck, 40V 4.0Ah battery included, push drive.
What separates it on paper is 16-inch cutting deck. Its 40V 4.0Ah battery included specification sits at the lower end of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
Before committing, account for 16-inch deck is narrower than the other mowers here, which can mean more passes on a larger lawn. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 16-inch cutting deck
- 40V 4.0Ah battery included
- Push drive
- Push-button key start
Cons
- 16-inch deck is narrower than the other mowers here, which can mean more passes on a larger lawn.
Best Budget Compact6 of 7
MZK 40V 16-Inch 2-in-1 Brushless Cordless Push Lawn Mower on Amazon (opens in a new tab)
The strongest case for MZK 40V 16-Inch 2-in-1 Brushless Cordless Push Lawn Mower is 16-inch cutting deck.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
For buyers comparing capacity, compatibility, included components and storage needs, this is one of the more relevant configurations in the shortlist. The documented setup centers on 16-inch cutting deck, 40V battery platform, brushless motor.
Its case starts with 16-inch cutting deck. Its 40V battery platform specification sits at the lower end of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 16-inch cutting deck
- 40V battery platform
- Brushless motor
- Push-button key start
Also Consider7 of 7
KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower, 2-in-1 Mulching on Amazon (opens in a new tab)
Choose KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower, 2-in-1 Mulching for two 4.0Ah batteries and two chargers included, useful for extending a single mowing session.
Best for
- buyers comparing capacity, compatibility, included components and storage needs
Why it made the shortlist
KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower, 2-in-1 Mulching is positioned for buyers comparing capacity, compatibility, included components and storage needs. The documented setup centers on 16-inch cutting deck, 40V battery platform, two 4.0Ah batteries and two chargers included.
The feature doing most of the work here is two 4.0Ah batteries and two chargers included, useful for extending a single mowing session. Its 40V battery platform specification sits at the lower end of the comparable range in this 6-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.
The practical constraint here is 16-inch deck limits it to small yards. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.
Key dimensions & specs
- 16-inch cutting deck
- 40V battery platform
- Two 4.0Ah batteries and two chargers included
- Push-button key start
Pros
- Two 4.0Ah batteries and two chargers included, useful for extending a single mowing session
Cons
- 16-inch deck limits it to small yards.
How We Built This Shortlist
Each pick was assessed across 4 criteria weighted for real-world use.
- Starting system type
- We separated mowers where push-button start is inherent to a battery platform from gas mowers where electric start is an added feature on top of a combustion engine, since the ownership implications differ.
- Deck size and drive type
- We compared cutting width and whether each mower uses self-propelled or push drive, since both affect how a mower performs on a given lawn size independent of how it starts.
- Included battery capacity
- We compared capacity, compatibility, included components, operating limits and warranty documentation.
- Documented specifications
- We compared capacity, compatibility, included components, operating limits and warranty documentation.
What Matters Before You Choose a Push-Button Start Lawn Mower
Key buying criteria so you get the right fit the first time.
Battery push-button start vs gas electric-start
On a battery mower, push-button start is inherent: there is no engine, so the key and button simply close a safety circuit. On a gas mower advertised as electric start, the button spins a normal gasoline engine using a small separate starting battery that needs its own charging and off-season maintenance.
Getting this wrong is one of the more common reasons a lawn mowers purchase disappoints once it actually arrives, since battery push-button start vs gas electric-start affects real day-to-day use in a way marketing photos and bullet points don't always make obvious.
Cold-start reliability
Battery mowers do not need choke settings, priming, or warm-up and generally start the same way regardless of temperature, as long as the main battery has charge. Gas electric-start mowers can still be harder to start in cold weather even with a charged starting battery, since the engine itself still needs proper fuel and choke handling.
This is the kind of detail that looks minor in a spec list but shapes how satisfied you actually are with a lawn mowers weeks after buying, since cold-start reliability plays out differently in daily use than it does on paper.
What happens if the starting battery is dead
Most battery push-button mowers have no backup starting method: if the main battery is dead, the mower will not run until it is recharged or swapped. Gas mowers with electric start usually keep a pull-cord backup, so a dead starting battery is an inconvenience rather than a stopped mowing day. Check the specific model before assuming either type has a fallback.
Compare how each lawn mowers in this roundup actually handles what happens if the starting battery is dead rather than assuming they're interchangeable on this point, since the listings here differ on it more than the headline specs suggest.
Safety interlocks
Push-button mowers typically require a removable safety key plus a bail lever held against the handle before the blade will engage, and releasing the bail lever stops the blade. Confirm both interlocks are present and understand how quickly the blade stops after release.
Safety interlocks is easy to overlook next to flashier specs, but it's frequently the difference between a lawn mowers that fits your routine and one that quietly becomes a hassle.
Convenience vs added mechanical complexity
Push-button starting removes pull-cord effort, but on gas mowers it adds a small starting battery, charging port, and another component that can fail or need replacement over the mower's life. On battery mowers, the tradeoff shifts instead to overall runtime and recharging the main pack rather than a separate starting system.
Getting this wrong is one of the more common reasons a lawn mowers purchase disappoints once it actually arrives, since convenience vs added mechanical complexity affects real day-to-day use in a way marketing photos and bullet points don't always make obvious.
Match a Push-Button Start Lawn Mower to Your Garden or Yard
Match the Scenario to a Named Pick
| Buyer situation | Recommended direction |
|---|---|
| Standard lawn, proven push-only mower | EGO POWER+ 21-Inch Cordless Electric Lawn Mower (LM2114) |
| Standard lawn, want self-propel | EGO Power+ 21-Inch Cordless Electric Self-Propelled Lawn Mower (LM2134SP-2) |
| Compared using published specifications, included components, compatibility, and practical trade-offs. | Greenworks 80V 21-Inch Self-Propelled Lawn Mower |
| Full-width deck without paying for self-propel | Greenworks 60V 21-Inch Push Lawn Mower |
| Compared using published specifications, included components, compatibility, and practical trade-offs. | Greenworks 40V 16-Inch Push Lawn Mower |
| Small yard, tightest budget with a spare battery | KOMASTY 40V 16-Inch Cordless Battery Powered Lawn Mower |
Battery Push-Button Start vs Gas Electric Start
- Battery push-button start
- The button and safety key are the entire starting system. No pull cord exists on most models, and no separate starting battery needs charging beyond the main pack that also runs the blade.
- Gas electric start
- The button powers a small starting battery that spins a combustion engine. That starting battery, its charging port, and its own maintenance schedule sit on top of the fuel, oil, and spark plug upkeep a gas engine already needs.
Push-Button Start Ownership Checklist
| Item to verify | Why it matters |
|---|---|
| Main battery capacity and included charger | Determines runtime per charge and whether the mower is usable immediately out of the box |
| Backup starting method | Confirms whether a dead starting battery (gas electric-start) or a dead main pack (battery mower) leaves the mower unusable that day |
| Safety key and bail lever condition | Both interlocks must function correctly for the blade to engage and stop as intended |
| Deck width vs gates and storage | A wide self-propelled deck can be harder to store or move through narrow access points than a compact push model |
| Compared using published specifications, included components, compatibility, and practical trade-offs. | Compared using published specifications, included components, compatibility, and practical trade-offs. |
Daily Use and Storage
- Before mowing
- Confirm the safety key is inserted, the main battery shows a charge, and the bail lever engages smoothly before pressing the start button.
- After mowing
- Remove the safety key for storage, recharge the battery pack, and clean grass buildup from the deck and discharge chute before the next use.
Before You Bring One Home
Is push-button start the same on every mower?
No. On a battery mower, push-button start is the entire starting system, since there is no engine to prime. On a gas mower with electric start, the button is powering a small separate starting battery that spins a normal combustion engine, and that battery needs its own charging and care.
What happens if the battery dies while starting a push-button mower?
On most battery-only mowers, a dead main pack means the mower will not run until it is recharged or swapped for a charged pack, since there is usually no pull-cord backup. On gas mowers with electric start, many models keep a pull cord as a backup, so a dead starting battery does not necessarily stop the mowing day. Check the specific model rather than assuming either type has a fallback.
Do push-button mowers still have safety interlocks?
Yes. Push-button battery mowers typically require a removable safety key and a bail lever held against the handle before the blade engages, and releasing the lever should stop the blade quickly.
What should I verify before ordering?
Confirm the model number, dimensions, capacity, included components, compatibility, warranty coverage and storage requirements.
Is self-propel worth it on a push-button mower?
Self-propel reduces pushing effort, especially on larger or sloped lawns, but it draws from the same battery pack that powers the blade, which can shorten total runtime per charge compared to a push-only model with the same battery.
Bottom Line
Best overall: EGO POWER+ 21-Inch Cordless Electric Lawn Mower with Battery, Charger (LM2114) — best overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.
Browse all push-button start lawn mowers on Amazon — Prime-eligible options with current pricing.