As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

Finding the best lawn mowers with 4 0 ah requires looking at how battery capacity affects runtime and power. This guide compares 15 models based strictly on published specifications. The top pick is the Greenworks 40V 14-Inch Cordless Push Mower. It leads because its 33.3-pound weight makes it ideal for small lawns needing lightweight maneuverability. Each selection reflects the data on cutting width, drive type, and motor type. You will use these specs to decide which mower fits your yard size and terrain.

Match drive type to your yard size

Your yard size determines the necessary drive type. Small lawns under one-third acre suit lightweight push models like the 33.3-pound Greenworks 40V 14-Inch Mower. Medium to large yards require self-propelled traction. The Greenworks 60V 21-Inch Self-Propelled Mower provides the necessary power and width for these larger spaces without manual pushing.

#ProductBest forPrice
1Greenworks 40V 14-Inch Cordless Push Mower Best overallsmall lawns needing lightweight maneuverability
2Greenworks 60V 21-Inch Self-Propelled Mower Best 3/4 acremedium-to-large yards needing self-propelled traction
3EGO Power+ 21" Self-Propelled Mower Best premiumMedium lawns needing variable speed control
4EGO Power+ 21-Inch 56V Cordless Push Mower Best 56vFlat yards needing high torque and mulching
5Greenworks 48V 17in Push Mower Also greatSmall lawns up to 1/3 acre
6Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier Also greatSmall lawns needing dethatching and scarifying
7Greenworks 80V 21-Inch Cordless Push Mower Also greatLarge yards needing wide cutting width
8Greenworks 48V 20-Inch Cordless Push Lawn Mower Best budgetsmall lawns needing reliable push mowing
9ZEGJAW 40V 15-Inch Artificial Turf Sweeper Best 15-inchArtificial turf debris removal and fiber lifting
10Greenworks 80V 21-Inch Cordless Push Mower Also greatmedium yards needing quiet, durable mowing
11Greenworks 60V 17-Inch Push Lawn Mower Best mulchingSmall lawns needing a narrow deck
12Greenworks 80V 25-Inch Self-Propelled Mower Also greatmedium to large lawns up to 0.75 acre
13WORX 40V 14-Inch Cordless Dethatcher and Scarifier Also greatthatch removal on small lawns
14PowerSmart 20-Inch Self-Propelled Cordless Mower Also greatHilly lawns needing dual battery runtime
15Greenworks 40V 25-Inch Self-Propelled Mower Also greatlarger lawns needing a wide 25-inch cut

The best fit for you

  • You need the lightest mower for small yards – Greenworks 40V 14-Inch Cordless Push Mower – Weighing 33.3 pounds, this 14-inch push mower is the lightest option for easy maneuverability.
  • You want variable speed control for medium lawns – EGO Power+ 21" Self-Propelled Mower – This self-propelled model offers adjustable speed control, making it ideal for managing medium-sized yards.
  • You need a narrow deck for small spaces – Greenworks 60V 17-Inch Push Lawn Mower – The 17-inch cutting width and 37.5-pound weight provide compact maneuverability for tight areas.
  • You require self-propelled traction for hilly terrain – PowerSmart 20-Inch Self-Propelled Cordless Mower – This 20-inch self-propelled mower provides reliable traction and dual-battery runtime for climbing hills.

Is a 4.0 Ah battery worth it?

A 4.0 Ah battery provides a balanced balance of runtime and weight. Most models on this list use this capacity as a standard unit. You can often pair two 4.0 Ah batteries for extended cutting sessions on larger yards, as seen with the Greenworks 60V 21-Inch Self-Propelled Mower. For small lawns under a third of an acre, a single 4.0 Ah unit is often sufficient. This setup keeps the mower manageable, like the 33.3-pound Greenworks 40V 14-Inch model. If you need maximum endurance for half-acre plots, consider upgrading to higher-capacity options.

Worth it if

  • You have a small lawn under one-third acre.
  • You prefer a lighter, easier-to-maneuver mower.
  • You already own other tools using the same battery platform.

Skip it if

  • You have a large yard over three-quarters of an acre.
  • You need maximum runtime without swapping batteries.
  • You require high-voltage power for thick, wet grass.
1Best overall
Greenworks 40V 14-Inch Cordless Push Mower

Greenworks 40V 14-Inch Cordless Push Mower

Best for: small lawns needing lightweight maneuverability

Battery Capacity
4.0 Ah
Cutting Width
14"
Drive Type
Push
Voltage
40V
Run Time
Up to 45 minutes
Mowing Functions
2-in-1 (mulch, rear bag)

This Greenworks 40V push mower features a 14-inch cutting deck and includes a 4.0 Ah battery. It weighs 33.3 lbs and offers up to 45 minutes of runtime. The single lever adjusts height across five positions from 1-1/4 to 3-3/8 inches. You can mulch or bag clippings. Its compact size suits small lawns where maneuverability matters more than width.

Pros
  • Includes 4.0 Ah battery and charger
  • Lightweight 33.3 lb build
  • 5-position height adjustment
  • Mulch and rear bag options
Cons
  • 14-inch deck is narrower than most competitors
  • Push drive requires manual effort
  • Plastic deck material
Good fit if
  • You have a small yard under 1/4 acre
  • You need a lightweight mower for easy storage
  • You prefer mulching or bagging clippings
Skip if
  • You require self-propelled ease
  • You want a wider cutting path
  • You need a metal deck

Verdict: Greenworks 40V 14-Inch Push Mower fits users with small lawns who prioritize light weight and manageable size over cutting width or self-propulsion.

2Best 3/4 acre
Greenworks 60V 21-Inch Self-Propelled Mower

Greenworks 60V 21-Inch Self-Propelled Mower

Best for: medium-to-large yards needing self-propelled traction

Battery Capacity
4.0 Ah
Cutting Width
21"
Drive Type
self-propelled
Voltage
60V
Mowing Functions
4-in-1 (mulch, bag, discharge)
Motor Type
brushless

This Greenworks mower uses a 60V brushless motor and two 4.0 Ah batteries to handle up to 3/4 acre per charge. The 21-inch cutting deck and self-propelled rear-wheel drive help you manage slopes and thick grass. It offers four mowing functions including mulching and bagging. The unit weighs 65 pounds and includes an LED headlight for low-light visibility. It is designed for large yards and expands your cordless toolkit.

Pros
  • 60V brushless motor delivers gas-like power
  • Two 4.0 Ah batteries included for extended runtime
  • Self-propelled rear-wheel drive for slope control
  • 4-in-1 versatility: mulch, bag, side discharge, leaf pickup
  • LED headlight for dawn or dusk mowing
Cons
  • Heavier build at 65 pounds compared to lighter push models
  • Smaller 21-inch cutting width than 25-inch self-propelled options
  • Lower 60V system voltage than 80V or 48V competitors
Good fit if
  • You have a yard up to 3/4 acre
  • You need self-propelled traction for slopes
  • You want mulching and bagging options
Skip if
  • You prefer a lighter push mower under 50 pounds
  • You need a 25-inch cutting width for efficiency
  • You require an 80V system for maximum power

Verdict: Greenworks 60V 21" Self-Propelled suits owners of medium-to-large yards who need reliable self-propelled traction and versatile discharge options without the weight of a gas engine.

3Best premium
EGO Power+ 21" Self-Propelled Mower

EGO Power+ 21" Self-Propelled Mower

Best for: Medium lawns needing variable speed control

Battery Capacity
4.0 Ah
Cutting Width
21"
Drive Type
Self-propelled
Voltage
56V
Run Time
Up to 80 minutes
Mowing Functions
3-in-1 (mulch, bag, side discharge)

This EGO Power+ mower combines a 56V brushless motor with a 21-inch cutting deck for efficient lawn care. It includes both a 6.0 Ah and a 4.0 Ah battery, delivering up to 80 minutes of runtime. The Touch Drive system lets you control speed with your palm, while seven height settings adjust from 1.25 to 4 inches. It offers mulching, side discharge, or bagging options.

Pros
  • 56V brushless motor for high torque
  • Includes 6.0 Ah and 4.0 Ah batteries
  • Up to 80 minutes of runtime
  • Touch Drive self-propelled speed control
  • 7 cutting height positions from 1.25 to 4 inches
Cons
  • Heavier build at 90 pounds
  • Smaller 4.0 Ah battery compared to 6.0 Ah option
  • Shorter 21-inch deck than 25-inch or 30-inch alternatives
Good fit if
  • You need a self-propelled mower with variable speed control
  • You want mulching, bagging, or side discharge options
  • You prefer a brushless motor for reliability
Skip if
  • You need a cutting width larger than 21 inches
  • You prefer a lighter push mower under 90 pounds
  • You want a mower with a 6.0 Ah battery as the only option

Verdict: EGO Power+ 21" Self-Propelled Mower suits users who value adjustable speed and versatile discharge options. It is ideal for medium-sized lawns where a 21-inch deck and 90-pound weight are manageable.

4Best 56v
EGO Power+ 21-Inch 56V Cordless Push Mower

EGO Power+ 21-Inch 56V Cordless Push Mower

Best for: Flat yards needing high torque and mulching

Battery Capacity
4.0 Ah
Cutting Width
21-inch
Drive Type
Push
Voltage
56V
Run Time
Up to 35 minutes
Mowing Functions
3-in-1

This EGO Power+ model delivers 56 volts through a 4.0 Ah battery, offering up to 35 minutes of run time. The 21-inch cutting deck pairs with a brushless motor to provide up to 6.0 ft-lbs of torque. You get seven height settings ranging from 1.25 to 4 inches. This push mower suits users who want gas-like power without the maintenance of a gas engine.

Pros
  • 56V system provides up to 6.0 ft-lbs of cutting torque
  • Brushless motor ensures long runtimes and low vibration
  • 7-position height adjustment from 1.25 to 4 inches
  • 3-in-1 mulching, bagging, and side discharge capabilities
Cons
  • Push drive requires manual effort compared to self-propelled options
  • 35-minute run time is limited on a single charge
  • 21-inch cutting width is narrower than 25-inch competitors
Good fit if
  • You prefer a push mower for smaller lawns
  • You want high torque for thick grass
  • You need multiple discharge options
Skip if
  • You need self-propelled ease for slopes
  • You require extended runtime beyond 35 minutes
  • You want a wider 25-inch cutting deck

Verdict: EGO Power+ 21-Inch 56V Push Mower fits users who prioritize raw torque and versatile discharge modes over self-propelled convenience. It is a solid choice for flat, medium-sized yards.

5Also great
Greenworks 48V 17in Push Mower

Greenworks 48V 17in Push Mower

Best for: Small lawns up to 1/3 acre

Battery Capacity
4.0 Ah
Cutting Width
17 in
Drive Type
Push
Voltage
48 V (24 V x 2)
Mowing Functions
2-in-1 (mulch, bag)
Motor Type
Brushless

This Greenworks 48V push mower features a 17-inch cutting width and a brushless motor. It includes two 4.0 Ah batteries and a 65W Type-C charger. The system delivers power for lawns up to one-third acre. You get a 2-in-1 mulch and bag system for versatile cleanup. The upright storage design helps save space in your garage. This kit suits small yards where you prefer a lightweight, manual push mower.

Pros
  • Brushless motor for longer life and efficiency
  • Includes two 4.0 Ah batteries
  • 65W Type-C fast charger included
  • Upright storage capability saves space
  • 2-in-1 mulch and bag system
Cons
  • 17-inch cutting width is narrower than many competitors
  • Push drive requires more physical effort than self-propelled models
  • 3-year warranty is shorter than some brands offering 5-year coverage
Good fit if
  • You have a small lawn up to 1/3 acre
  • You want a lightweight mower for easy maneuvering
  • You prefer upright storage to save garage space
Skip if
  • You need a self-propelled drive for hilly terrain
  • You have a large lawn exceeding 1/3 acre
  • You prefer a wider cutting deck for faster coverage

Verdict: Greenworks 48V 17-Inch Push Mower fits small yard owners who value compact storage and fast charging. It delivers reliable brushless power for modest lawns without the bulk of larger models.

6Also great
Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier

Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier

Best for: Small lawns needing dethatching and scarifying

Battery Capacity
4.0 Ah
Voltage
48 V (2 x 24 V)
Motor Type
Brushless
Power Type
Cordless
Dimensions
43.7 × 42.5 × 23.2 inches
Weight
26 pounds

This Greenworks 48V tool combines two 24V batteries to deliver 3600 RPM for efficient lawn grooming. It features a 15-inch working path and includes two 4.0 Ah batteries with a 65W charger. You can adjust the depth for dethatching or scarifying to suit various grass types. It is designed for residential lawns and gardens, offering a versatile solution for removing thatch and moss.

Pros
  • Brushless motor delivers 3600 RPM for high-efficiency grooming
  • Includes two 4.0 Ah batteries and a 65W charger
  • Adjustable 5-position depth control for dethatching and scarifying
  • 15-inch wide working path covers large areas quickly
  • 3-year limited warranty on tool and batteries
Cons
  • 15-inch cutting width is narrower than many mowers on this list
  • 26-pound weight may feel heavy during extended use
  • Limited to dethatching and scarifying rather than standard mowing
Good fit if
  • You need to remove thick thatch and moss from your lawn
  • You want a lightweight tool for garden edges and small yards
  • You already own other Greenworks 24V or 48V tools
Skip if
  • You require a standard mowing function for grass cutting
  • You prefer a wider cutting path for faster coverage
  • You need a self-propelled drive system for hills

Verdict: Greenworks 48V 15" Cordless Scarifier is a specialized tool for homeowners who prioritize lawn health over basic cutting. It fits users with small to medium lawns who need to tackle thatch buildup regularly.

7Also great
Greenworks 80V 21-Inch Cordless Push Mower

Greenworks 80V 21-Inch Cordless Push Mower

Best for: Large yards needing wide cutting width

Battery Capacity
4.0 Ah
Cutting Width
21"
Drive Type
Push
Voltage
80V
Run Time
Up to 60 minutes
Mowing Functions
3-In-1 (mulch, rear bag, side discharge)

This Greenworks mower uses an 80V brushless motor and a 4.0 Ah battery to deliver up to 60 minutes of run time. It features a 21-inch cutting deck and a 3-in-1 system for mulching, bagging, or side discharge. The single-lever height adjustment offers seven positions. It is a push model designed for large yards where you prefer manual effort over self-propelled weight.

Pros
  • Brushless motor provides more torque and longer life
  • 21-inch cutting deck covers more width per pass
  • 7-position single-lever height adjustment
  • 3-in-1 mulch, bag, and side discharge options
Cons
  • Push drive requires more physical effort than self-propelled models
  • 74.1-pound weight is heavier than lighter push alternatives
  • Single lever height adjustment has fewer settings than dual-lever systems
Good fit if
  • You have a large yard and need efficient coverage
  • You prefer the simplicity of a single-lever height adjustment
  • You want a brushless motor for longer tool life
Skip if
  • You need self-propelled drive for hilly terrain
  • You want a lighter mower for easy storage
  • You prefer dual-lever height adjustments for precision

Verdict: Greenworks 80V 21" Push Mower fits homeowners who need a powerful brushless motor and wide cutting width for large lawns but do not require self-propelled assistance.

8Best budget
Greenworks 48V 20-Inch Cordless Push Lawn Mower

Greenworks 48V 20-Inch Cordless Push Lawn Mower

Best for: small lawns needing reliable push mowing

Battery Capacity
4.0 Ah
Cutting Width
20 in
Drive Type
Push
Voltage
48V
Run Time
Up to 45 minutes
Motor Type
Brushless

This Greenworks mower combines two 24V batteries to deliver 48V power for a 20-inch cutting width. It features a brushless motor and includes two 4.0 Ah batteries for up to 45 minutes of runtime. The steel deck offers durability, and the push drive keeps the design simple. It fits users who want a reliable, budget-friendly option for small to medium lawns without self-propulsion.

Pros
  • Brushless motor provides efficient torque and longer life
  • Includes two 4.0 Ah batteries for extended runtime
  • Durable 20-inch steel cutting deck
  • Compatible with 200+ Greenworks 24V tools
Cons
  • Push drive requires manual effort to move
  • Heavier build at 67.2 pounds compared to lighter models
  • Shorter 3-year warranty than some competitors
Good fit if
  • You have a small to medium lawn under 5,000 square feet
  • You prefer a simple push mower without self-propulsion
  • You already own other Greenworks 24V tools
Skip if
  • You need self-propelled assistance for steep slopes
  • You require a cutting width wider than 20 inches
  • You want a longer warranty period than 3 years

Verdict: Greenworks 48V 20" Push Mower is a solid choice for homeowners with small yards who value battery compatibility and durability over self-propulsion. It delivers consistent power for routine mowing tasks without the bulk of larger systems.

9Best 15-inch
ZEGJAW 40V 15-Inch Artificial Turf Sweeper

ZEGJAW 40V 15-Inch Artificial Turf Sweeper

Best for: Artificial turf debris removal and fiber lifting

Battery Capacity
4.0 Ah
Voltage
40V
Cutting Width
15-Inch
Power Type
Cordless
Additional Functions
Vacuum

This ZEGJAW sweeper is a cordless tool built for artificial turf maintenance. It uses a 40V system with a 4.0 Ah battery to power a 15-inch rotating brush. The unit features a 45-liter dust bag for collecting debris. A five-position depth adjustment lets you comb grass fibers or sweep leaves. It operates via a push-pull motion to clean and lift turf.

Pros
  • 15-inch working width for efficient coverage
  • 45-liter dust bag capacity reduces emptying frequency
  • Five-position depth adjustment for precise bristle contact
  • Push-pull action cleans debris and lifts fibers
  • 4.0 Ah battery provides cordless operation
Cons
  • 15-inch width is narrower than many mowers on this list
  • 45-liter bag is smaller than standard grass collection bins
  • Designed only for artificial turf, not natural grass
Good fit if
  • You maintain synthetic lawns and need to remove leaves
  • You want to comb flattened grass fibers upright
  • You prefer a cordless 40V system for yard work
Skip if
  • You need to cut natural grass
  • You require a self-propelled mower for large areas
  • You want a standard push mower with a mulch kit

Verdict: ZEGJAW 40V 15-Inch Turf Sweeper is a specialized tool for homeowners with synthetic lawns who need to remove debris and restore grass texture. It fits those who prioritize turf aesthetics over grass cutting.

10Also great
Greenworks 80V 21-Inch Cordless Push Mower

Greenworks 80V 21-Inch Cordless Push Mower

Best for: medium yards needing quiet, durable mowing

Battery Capacity
4.0 Ah
Cutting Width
21 in
Drive Type
push
Voltage
80 V
Mowing Functions
4-in-1
Motor Type
brushless

This Greenworks 80V push mower features a 21-inch steel deck and a brushless motor. It includes a 4.0 Ah battery rated for 0.5 acre per charge. An LED headlight allows for low-light mowing. The unit offers four mowing functions: mulch, bag, side-discharge, and leaf pickup. It weighs 68.3 pounds and measures 67.7 inches long. This model suits users wanting quiet, fume-free operation with a 4-year warranty.

Pros
  • 80V brushless motor provides high torque and durability.
  • 21-inch steel cutting deck handles tough grass.
  • LED headlight enables mowing in early or late light.
  • 4-in-1 versatility for mulching, bagging, and side-discharge.
  • 4-year limited warranty covers tool and battery.
Cons
  • Push drive requires more physical effort than self-propelled models.
  • 68.3-pound weight is heavier than many competitors.
  • Single 4.0 Ah battery may limit runtime on large lawns.
Good fit if
  • You want a quiet, fume-free mowing experience.
  • You need a sturdy steel deck for tough grass.
  • You value a 4-year warranty for long-term use.
Skip if
  • You prefer a self-propelled mower to reduce effort.
  • You have a large lawn requiring extended runtime.
  • You need a lighter mower for easy storage.

Verdict: Greenworks 80V 21in Push Mower fits homeowners who prioritize durability and quiet operation over self-propulsion. Its brushless motor and steel deck make it a solid choice for medium-sized yards.

11Best mulching
Greenworks 60V 17-Inch Push Lawn Mower

Greenworks 60V 17-Inch Push Lawn Mower

Best for: Small lawns needing a narrow deck

Battery Capacity
4.0 Ah
Cutting Width
17"
Drive Type
Push
Voltage
60V
Run Time
Up to 40 minutes
Mowing Functions
2-in-1

This Greenworks 60V push mower features a 17-inch cutting width and a brushless motor. It includes a 4.0 Ah battery that provides up to 40 minutes of runtime. The unit offers a 2-in-1 mulching and bagging system with six height adjustments from 1.5 to 3.15 inches. It weighs 37.5 pounds and is designed for maneuvering in tight spaces. This model suits small to medium lawns where ease of handling is a priority.

Pros
  • Brushless motor for efficient power delivery
  • Up to 40 minutes of runtime on 4.0 Ah battery
  • Six-position height adjustment from 1.5 to 3.15 inches
  • Lightweight 37.5-pound design for easy handling
Cons
  • 17-inch cutting width is narrower than many competitors
  • Push drive type requires more physical effort than self-propelled models
Good fit if
  • You need a lightweight mower for tight spaces
  • You prefer manual push control over self-propelled drive
  • You want a compact 17-inch cutting deck
Skip if
  • You require a self-propelled drive system
  • You need a cutting width wider than 17 inches
  • You have a large lawn exceeding 40-minute runtime

Verdict: Greenworks 60V 17in Push Mower is a compact option for small yards. It fits users who value maneuverability and a narrow deck over wide cutting coverage.

12Also great
Greenworks 80V 25-Inch Self-Propelled Mower

Greenworks 80V 25-Inch Self-Propelled Mower

Best for: medium to large lawns up to 0.75 acre

Battery Capacity
4.0 Ah
Cutting Width
25 in
Drive Type
self-propelled
Voltage
80 V
Motor Type
brushless
Dimensions
53.5 × 27.6 × 45.3 inches

This Greenworks mower uses an 80V brushless motor and a 25-inch cutting deck to handle up to three-quarters of an acre on a single 4.0 Ah charge. The self-propelled rear-wheel drive offers variable speed control for better traction. You get a durable steel deck and LED headlights for visibility. It weighs 78 pounds and includes a 4-year warranty. This kit suits larger lawns where width and power matter.

Pros
  • 25-inch cutting width for fewer passes
  • 80V brushless motor for high torque
  • Self-propelled with variable speed control
  • LED headlights for low-light mowing
  • 4-year limited warranty included
Cons
  • 78-pound weight is heavier than lighter push models
  • 4.0 Ah battery covers up to 0.75 acre, less than dual-battery setups
  • Fixed cutting heights limit adjustment options
Good fit if
  • You have a lawn up to three-quarters of an acre
  • You prefer a wider 25-inch cutting deck
  • You need self-propelled traction for slopes
Skip if
  • You have a small yard under 0.25 acre
  • You prefer a lightweight manual push mower
  • You need dual batteries for all-day runtime

Verdict: Greenworks 80V 25in Self-Propelled Mower fits owners of medium to large yards who want wide coverage and easy maneuverability. The 25-inch deck and self-propelled drive make it efficient for spaces that exceed the capacity of smaller 21-inch models.

13Also great
WORX 40V 14-Inch Cordless Dethatcher and Scarifier

WORX 40V 14-Inch Cordless Dethatcher and Scarifier

Best for: thatch removal on small lawns

Battery Capacity
4.0 Ah
Voltage
40 V
Motor Type
Brushless
Cutting Width
14-Inch
Power Type
Cordless
Mowing Functions
2-in-1

This WORX 40V cordless dethatcher uses a 4.0 Ah battery to power a brushless motor. It features a 14-inch working width for efficient thatch removal. The unit includes two batteries for extended runtime. You get a 2-in-1 design with tool-free reel conversion. It offers four depth positions for precise adjustment. This tool suits homeowners managing dense turf buildup.

Pros
  • 40V brushless motor handles dense thatch
  • 14-inch dethatching and scarifying width
  • Includes two 4.0 Ah batteries
  • Tool-free reel conversion system
  • Four adjustable depth positions
Cons
  • 14-inch width is narrower than most mowers on this list
  • 26.2-pound weight adds effort on rough terrain
  • Single-lever adjustment limits precision compared to multi-position systems
Good fit if
  • You need a dedicated tool for thatch removal
  • You already own WORX 40V batteries
  • You have small to medium lawns under 1/8 acre
Skip if
  • You require a standard mowing function
  • You need a cutting width wider than 14 inches
  • You prefer self-propelled movement for heavy lifting

Verdict: WORX 40V 14-Inch Dethatcher is a specialized tool for homeowners who need to remove thatch and dethatch their lawns efficiently. It fits those who value the versatility of a 2-in-1 device and already have compatible batteries in their toolkit.

14Also great
PowerSmart 20-Inch Self-Propelled Cordless Mower

PowerSmart 20-Inch Self-Propelled Cordless Mower

Best for: Hilly lawns needing dual battery runtime

Battery Capacity
4.0 Ah
Cutting Width
20"
Drive Type
Self-Propelled
Voltage
40V
Mowing Functions
3-in-1
Motor Type
Brushless

This PowerSmart mower features a 20-inch cutting width and a brushless motor. It includes two 40V 4.0 Ah batteries for extended runtime. The self-propelled rear-wheel drive helps on hills. You get six height settings from 1.5 to 3.9 inches. It offers mulching, bagging, and side discharge. This model suits users who need reliable power and easy maneuverability on varied terrain.

Pros
  • Includes two 40V 4.0 Ah batteries for continuous mowing
  • Brushless motor provides cooler and quieter operation
  • Self-propelled rear-wheel drive reduces pushing effort
  • Six height positions range from 1.5 to 3.9 inches
  • 3-in-1 cutting modes allow mulching, bagging, or side discharge
Cons
  • 20-inch cutting width is narrower than the 21-25 inch options available from other brands on this list
  • 57.5-pound weight is heavier than many comparable push models
  • 40V system has lower voltage than the 60V, 80V, and 48V dual-battery systems found in other picks
Good fit if
  • You have a lawn with slopes where self-propelled traction helps
  • You want to swap batteries to keep mowing without waiting
  • You prefer a brushless motor for longer life and less vibration
Skip if
  • You need a wider 21-inch or larger cutting deck for faster coverage
  • You prefer a lighter mower under 50 pounds for easy storage
  • You want higher voltage power like 60V or 80V systems

Verdict: PowerSmart 20" Self-Propelled 40V Mower fits homeowners who value runtime flexibility and hill-climbing traction over maximum cutting width or peak voltage power.

15Also great
Greenworks 40V 25-Inch Self-Propelled Mower

Greenworks 40V 25-Inch Self-Propelled Mower

Best for: larger lawns needing a wide 25-inch cut

Battery Capacity
4.0 Ah
Cutting Width
25"
Drive Type
self-propelled
Voltage
40V
Run Time
up to 70 minutes
Mowing Functions
3-in-1 (mulch, side discharge, bag)

This Greenworks mower features a 25-inch steel deck and a brushless motor for quiet, durable performance. It includes two 4.0 Ah batteries, providing up to 70 minutes of runtime. The self-propelled drive adjusts to your walking speed, while the dual battery ports allow automatic switchover. You get seven height positions and 3-in-1 mulching, bagging, and side-discharging capabilities. It works with over 75 compatible 40V tools.

Pros
  • 25-inch cutting width for faster coverage
  • Brushless motor for longer life and torque
  • Includes two 4.0 Ah batteries
  • Self-propelled drive with automatic battery switchover
  • Seven height adjustment positions
Cons
  • Heavier at 76.2 pounds compared to many push models
  • Lower 40V voltage than the 60V and 80V options on this list
  • Shorter 3-year warranty than some competitors
Good fit if
  • You need a wider 25-inch cut for larger lawns
  • You want a self-propelled mower that adjusts to your pace
  • You already own other Greenworks 40V tools
Skip if
  • You prefer a lighter, manual push mower
  • You need the highest voltage power available
  • You want a warranty longer than three years

Verdict: Greenworks 40V 25" Brushless Self-Propelled Mower suits users with medium to large yards who value a wide cut and tool ecosystem compatibility over maximum voltage power.

Specifications side by side

SpecGreenworks 40V 14-Inch Cordless Push MowerGreenworks 60V 21-Inch Self-Propelled MowerEGO Power+ 21" Self-Propelled MowerEGO Power+ 21-Inch 56V Cordless Push MowerGreenworks 48V 17in Push MowerGreenworks 48V 15-Inch Cordless Dethatcher and ScarifierGreenworks 80V 21-Inch Cordless Push MowerGreenworks 48V 20-Inch Cordless Push Lawn MowerZEGJAW 40V 15-Inch Artificial Turf SweeperGreenworks 80V 21-Inch Cordless Push MowerGreenworks 60V 17-Inch Push Lawn MowerGreenworks 80V 25-Inch Self-Propelled MowerWORX 40V 14-Inch Cordless Dethatcher and ScarifierPowerSmart 20-Inch Self-Propelled Cordless MowerGreenworks 40V 25-Inch Self-Propelled Mower
Cutting Width14"21"21"21-inch17 in–21"20 in–21 in17"25 in–20"25"
Drive TypePushself-propelledSelf-propelledPushPush–PushPush–pushPushself-propelled–Self-Propelledself-propelled
Voltage40V60V56V56V48 V (24 V x 2)48 V (2 x 24 V)80V48V40V80 V60V80 V40 V40V40V
Battery Capacity4.0 Ah2 x 4.0Ah6.0 Ah, 4.0 Ah4.0Ah4.0 Ah2 x 4.0 Ah4.0 Ah4.0Ah4.0Ah4.0 Ah4.0Ah4.0 Ah4.0 Ah4.0Ah4.0Ah
Run TimeUp to 45 minutes–Up to 80 minutesUp to 35 minutes––Up to 60 minutesUp to 45 minutes––Up to 40 minutes–––up to 70 minutes
Mowing Functions2-in-1 (mulch, rear bag)4-in-1 (mulch, bag, discharge)3-in-1 (mulch, bag, side discharge)3-in-12-in-1 (mulch, bag)–3-In-1 (mulch, rear bag, side discharge)––4-in-12-in-1––3-in-13-in-1 (mulch, side discharge, bag)
Motor Type–brushlessBrushlessBrushlessBrushlessBrushlessBrushlessBrushless–brushlessBrushlessbrushlessBrushlessBrushlessbrushless
Height Adjustments5 positions, 1-1/4 to 3-3/8 in––7-position, 1.25 to 4 inches––7-position–––6-position, 1.5" to 3.15"––6-position (1.5 inches to 3.9 inches)7 positions
Power TypeCordless–CordlessCordless–Cordless––Cordless–––CordlessCordlessCordless
Application–Large Yards––––Large Yards––––––––
Lawn Size–3/4 Acre–––––––––––––
Additional Functions––––––––Vacuum––––––
Cleaning Surface––––––––––Homes––––
Dimensions50.4 × 15.8 × 40.5 inches68.9 × 25.6 × 42.1 inches67.5 × 22.4 × 36.6 inches67.5 × 22.4 × 36.2 inches53.8 × 40.3 × 19.3 inches43.7 × 42.5 × 23.2 inches32.3 × 18.2 × 20.4 inches61.8 × 20.9 × 40.2 inches–67.7 × 25.6 × 41 inches52 × 19.1 × 40.9 inches53.5 × 27.6 × 45.3 inches41.3 × 22.6 × 43.3 inches22 × 61 × 39 inches53.6 × 27.6 × 45.3 inches
Weight33.3 pounds65 pounds90 pounds–36.4 pounds26 pounds74.1 pounds67.2 pounds–68.3 pounds37.5 pounds78 pounds26.2 pounds57.5 pounds76.2 pounds
Size14" Cordless (4.0Ah)21"SP w/2 x 4.0Ah Batteries21"Lawn Mower w/4.0Ah BatteryNew 17" (2 x 4.0Ah)48V Dethatcher / Scarifier (2) 4.0Ah21" Push20" Mower (2 x 4.0Ah)–21 in Mower (1 x 4.0Ah)w/4.0Ah Battery25" Self-Propelled (4.0Ah)–20" Self-Propelled Mower (2 x 4.0Ah)25" Dual Blade (2 x 4.0Ah)
ColorGreenGreen and BlackGray/BlackBlackGreenGreenBlack/GreenGreenGoldenGreen&BlackGreen and BlackGreen&BlackBlack and OrangeRed & BlackGreen&Black
ModelMO40B410MO60L424LM2123SP-2LM2112LM1702DT2L4202501202MO48L4210ZJ-WR5006MO80L415MO60L419LMB406WG855MB2420SAMO40L515

If you prioritize battery capacity, you can compare specifications for the best lawn mowers with 4 0 ah.

How we selected these mowers

We identified these 15 models by scanning Amazon listings for the specific feature: Battery Capacity: 4.0 Ah. We only included products where the title or feature list explicitly stated this capacity. Each listing provides the core specifications that define its performance and physical footprint. We verified these details directly from the published data to ensure accuracy.

The products are ordered by availability first. Next, we sorted by the listing's overall rating weighted by rating count. Finally, we applied additional criteria from the specs to finalize the ranking. This method ensures you see the most relevant and highly rated options first. All information comes strictly from the manufacturer's published specifications.

How to choose the right one

Check cutting width needs

Cutting width determines how many passes you need to clear your yard. A 14-inch deck, like the Greenworks 40V 14-Inch model, suits small spaces and tight corners. A 21-inch deck covers more ground per pass, reducing total mowing time. Larger 25-inch decks, such as the Greenworks 40V 25-Inch Self-Propelled Mower, maximize efficiency for wide-open areas. Match the width to your yard's shape and size to avoid unnecessary effort or coverage gaps.

Select the right drive type

Drive type affects how you move the mower. Push models require you to provide all the forward momentum. This works well on flat, small lawns with the Greenworks 48V 17-Inch Push Mower. Self-propelled models move on their own, reducing physical strain. The Greenworks 60V 21-Inch Self-Propelled Mower is ideal for medium to large yards or slight inclines. Choose self-propulsion if you want to conserve energy while mowing larger areas or uneven terrain.

Evaluate voltage and power

Voltage indicates the motor's potential power output. Higher voltage often means better performance in thick grass. The Greenworks 80V 21-Inch Cordless Push Mower offers high power for large yards without self-propulsion. The EGO Power+ 21-Inch 56V Push Mower provides strong torque for flat, medium-sized yards. Lower voltage options like the 40V Greenworks models are sufficient for routine maintenance on smaller lawns. Select voltage based on grass density and yard size.

Consider mowing functions

Mowing functions determine how grass clippings are handled. Mulching returns nutrients to the soil but requires frequent cleaning. Bagging collects clippings for disposal. The Greenworks 60V 17-Inch Push Lawn Mower supports mulching and bagging modes. Some models offer versatile discharge options for different lawn conditions. If you prefer a clean look without bagging, choose a mulching-capable mower. Check the specific functions listed for each model to ensure they match your lawn care routine.

Assess weight and maneuverability

Weight impacts how easily you can lift and store the mower. Lighter models are easier to handle and transport. The Greenworks 40V 14-Inch Cordless Push Mower weighs only 33.3 pounds, making it very manageable. Heavier self-propelled models, like the 90-pound EGO Power+ 21-Inch Self-Propelled Mower, offer stability but are harder to lift. Consider storage space and your physical ability when comparing weights. Lighter mowers are better for small sheds or users who need frequent lifting.

Frequently asked questions

Is a 4.0 Ah battery enough for large yards?

A single 4.0 Ah battery may struggle on large yards. Models like the Greenworks 80V 21-Inch Cordless Push Mower are designed for large spaces but still rely on this capacity. You might need two batteries for extended runtime. The Greenworks 60V 21-Inch Self-Propelled Mower includes two 4.0 Ah batteries, offering better coverage for 3/4 acre lawns.

Which 4.0 Ah mower is best for small lawns?

The Greenworks 40V 14-Inch Cordless Push Mower is ideal for small lawns. It weighs only 33.3 pounds, making it easy to maneuver in tight spaces. Its 14-inch cutting width suits modest yards. For slightly larger small yards, the Greenworks 48V 17-Inch Push Mower offers a wider cut while remaining lightweight at 36.4 pounds.

Do I need self-propelled drive with a 4.0 Ah battery?

Self-propelled drive is helpful for hilly or medium-to-large yards. The Greenworks 60V 21-Inch Self-Propelled Mower provides traction for 3/4 acre yards. For flat, small yards, a push model like the EGO Power+ 21-Inch 56V Cordless Push Mower is sufficient. The drive type should match your terrain and yard size, not just battery capacity.

Can I use 4.0 Ah batteries with different voltages?

Yes, 4.0 Ah batteries are available for various voltage platforms. You can find them in 40V, 48V, 56V, 60V, and 80V models. For example, the EGO Power+ 21" Self-Propelled Mower uses 56V, while the Greenworks 80V 21-Inch Cordless Push Mower uses 80V. Check your existing tool ecosystem to ensure compatibility before buying a new mower.

Are there specialized tools with 4.0 Ah batteries?

Yes, several specialized tools use 4.0 Ah batteries. The Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier helps remove thatch from small lawns. The ZEGJAW 40V 15-Inch Artificial Turf Sweeper maintains synthetic grass. These tools share the same battery platform as mowers, allowing you to use existing batteries for lawn maintenance tasks beyond cutting.

What is the heaviest mower with a 4.0 Ah battery?

The EGO Power+ 21" Self-Propelled Mower is the heaviest at 90 pounds. Its weight comes from a robust build and self-propelled mechanism. In contrast, the Greenworks 40V 14-Inch Cordless Push Mower weighs just 33.3 pounds. Choose a lighter model if you need easy storage or maneuverability, or a heavier one for stability on uneven terrain.

See also