Best Lawn Mowers with 4.0 Ah: 15 Spec-Based Picks
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Finding the best lawn mowers with 4 0 ah power requires matching deck dimensions and voltage to your yard. This list compares 15 models based on specifications published on their listings.
The WEN 15-Inch Cordless Brushless Dethatcher and Scarifier takes the top spot because its 650W brushless motor and two 4.0 Ah batteries power five depth settings for specialized turf management. This guide helps you compare deck widths, operating voltages, and drive configurations to select the right cordless machine for your grass.
Quick picks
The best fit for you
- You need seasonal turf dethatching and lawn scarifying WEN 15-Inch Cordless Brushless Dethatcher and Scarifier Its 15-inch width, 650W brushless motor, and five depth settings provide dedicated turf renovation.
- You want self-propelled mowing for longer runtimes EGO Power+ 21-Inch Self-Propelled Cordless Mower Its 56V platform provides 65 minutes of dual-battery runtime and a 21-inch cutting deck.
- You need traction for slopes up to three-quarter acre Greenworks 60V 21-Inch Self-Propelled Mower Its 60V battery platform and rear-wheel self-propelled drive deliver steady traction on yards up to 3/4 acre.
- You have a small yard under 1,300 square feet Litheli 13-Inch Cordless Lawn Mower Its 13-inch cutting deck and 24-pound weight offer nimble handling in yards under 1,300 square feet.
Our 15 picks
WEN 15-Inch Cordless Brushless Dethatcher and Scarifier
Best for: thatch removal and seasonal lawn scarifying
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 20V Max battery
- Cutting Width
- 15 in
- Voltage
- 20V Max
- Cutting Height
- 5 positions, +1/4 to -1/2 in
- Motor Type
- brushless
View on Amazon: WEN 15-Inch Cordless Brushless Dethatcher and Scarifier
This 15-inch cordless unit functions as both a dethatcher and a scarifier, powered by a 650W brushless motor that reaches up to 3000 RPM. You get two 20V Max 4.0 Ah batteries along with a dual-port charger to run the machine. With a 5-position working depth ranging from +1/4 inch to -1/2 inch, it suits you if you need to aerate soil and remove lawn thatch across a 15-inch path.
Pros
- Includes two 4.0 Ah batteries and a dual-port charger
- 650W brushless motor generates up to 3000 RPM
- Swappable scarifying head and 24-steel-tine dethatching head
- 5-position depth adjustment from +1/4 inch to -1/2 inch
Cons
- Dethatches and scarifies rather than cutting standard grass heights
- 15-inch clearing path is narrower than standard 20-inch or 21-inch decks
- Maximum height setting stops at +1/4 inch above ground level
Good fit if
- You need interchangeable heads for dethatching and scarifying your lawn.
- You want two 4.0 Ah batteries and a dual-port charger included in the box.
- You require adjustable working depths down to -1/2 inch into soil.
Skip if
- You need a standard rotary blade to trim standing grass blades.
- You want a wider clearing path greater than 15 inches.
Verdict: WEN 15-Inch 20V Max Brushless Dethatcher and Scarifier delivers specialized lawn renovation using two included 4.0 Ah batteries and a 650W brushless motor. It provides consistent turf management across five depth settings without requiring gas or cords.
Greenworks 40V 16-Inch Push Lawn Mower
Best for: lawns up to 1/3 acre
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery, 40V
- Cutting Width
- 16 in
- Voltage
- 40V
- Drive Type
- Push
- Cutting Height
- 5 positions
This push mower pairs a 16-inch cutting width with a 40V 4.0 Ah battery system designed to cover lawns up to 1/3 acre. Weighing 37.5 pounds, it gives you a lightweight setup with 2-in-1 mulching and rear bagging options. If you maintain a small to medium yard and want a compact push deck with 5-position single-lever height adjustment, this model matches your needs directly without excess bulk.
Pros
- Lightweight 37.5-pound total weight
- Single-lever 5-position cutting height adjustment
- 2-in-1 capability for mulching and rear bagging
- Compatible with 75+ Greenworks 40V tools
Cons
- Push drive without self-propelled assist
- Lacks side-discharge capability
- Narrower 16-inch deck requires more passes than larger models
Good fit if
- You manage a yard up to 1/3 acre and prefer a lightweight machine.
- You want simple 2-in-1 mulching and bagging without excess storage footprint.
- You plan to share 40V batteries across other compatible outdoor equipment.
Skip if
- You need a self-propelled motor for hills or steep grades.
- You want side discharge for tall or dense grass.
- You require a wider 20-inch or 21-inch cut to finish larger areas faster.
Verdict: Greenworks 40V 16-Inch Push Lawn Mower provides manageable 2-in-1 mowing for lots up to 1/3 acre. Its 37.5-pound weight and 5-position single lever keep push mowing straightforward.
Worx 40V 17-Inch Cordless Lawn Mower
Best for: quarter-acre lawns needing lightweight push mowing
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 17 in
- Voltage
- 40V
- Cutting Height
- 6 heights
- Mowing Function
- 2-in-1 mulch and bag
This push mower pairs two 20V 4.0 Ah batteries to deliver 40V of power across a 17-inch cutting deck. It features a brushless motor, six cutting height positions, and Intellicut speed adjustment. Weighing under 40 pounds, it handles mulching and rear bagging for lawns up to 1/4 acre. You will appreciate this compact layout if you want a lightweight push machine for small to midsized yards.
Pros
- Runs on two 20V 4.0 Ah batteries for 40V power
- Lightweight frame at 39.7 pounds for simple maneuvering
- Brushless motor with Intellicut automatic speed adjustment
- Six cutting height adjustment settings
Cons
- Limited to 2-in-1 mulching and bagging with no side discharge
- Manual push design lacks self-propelled drive
- Cutting deck width capped at 17 inches
Good fit if
- You manage a lawn up to 1/4 acre in size.
- You want a machine under 40 pounds that is easy to push.
- You only require mulching and rear collection modes.
Skip if
- You need a self-propelled drive system for hills or uneven turf.
- You require a side-discharge chute for taller grass.
- You have a property larger than 1/4 acre.
Verdict: Worx 40V 17-Inch Cordless Lawn Mower provides dual-battery brushless power and agile handling in a sub-40-pound frame. It is an efficient push option for yards up to a quarter acre that do not require side discharge.
EGO Power+ 21-Inch Self-Propelled Cordless Mower
Best for: self-propelled mowing with extended dual-battery runtime
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 56V battery
- Cutting Width
- 21 in
- Voltage
- 56V
- Drive Type
- self-propelled
- Runtime
- 65 min
View on Amazon: EGO Power+ 21-Inch Self-Propelled Cordless Mower
This 21-inch self-propelled cordless mower runs on a 56V system powered by two included 4.0 Ah batteries. It delivers up to 65 minutes of continuous runtime and features variable-speed drive up to 3.1 mph. The multi-blade setup supports bagging, mulching, and side discharge across seven cutting heights from 1.5 to 4 inches. It suits you if you want motorized drive and wide cutting capacity.
Pros
- Up to 65 minutes of runtime with two included 4.0 Ah batteries
- Variable-speed self-propelled drive from 0.9 mph to 3.1 mph
- Fast 30-minute recharge time per battery with 550W charger
- 3-in-1 capability for mulching, bagging, and side discharge
Cons
- Heavy total weight at 77.2 pounds
- Lowest cutting height setting stops at 1.5 inches
Good fit if
- You want self-propelled assistance with speeds up to 3.1 mph.
- You need a 21-inch cutting deck that bags, mulches, or discharges.
- You prefer having two 4.0 Ah batteries for extended runtime.
Skip if
- You prefer a lightweight machine under 70 pounds for easy lifting.
- You require cutting heights below 1.5 inches for close-cropped turf.
Verdict: EGO Power+ 21-Inch Self-Propelled Cordless Mower provides 65 minutes of dual-battery runtime and variable-speed motorized drive for demanding yards. Its 56V brushless platform and 3-in-1 functions handle diverse mowing needs without manual pushing.
Greenworks 80V 21-Inch Cordless Push Mower
Best for: High-voltage push mowing on open lawns
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery, 80V
- Cutting Width
- 21 in
- Voltage
- 80V
- Drive Type
- Push
- Runtime
- Up to 60 min
This Greenworks mower pairs an 80V brushless motor with an included 4.0 Ah battery to provide up to 60 minutes of runtime. Its 21-inch cutting deck offers 3-in-1 capabilities for mulching, rear bagging, and side discharge, managed by a 7-position single height lever. You get high-voltage power in a manual push format suited for flat, open yards.
Pros
- High-voltage 80V brushless motor
- Up to 60 minutes of runtime per charge
- Versatile 3-in-1 mulching, bagging, and side discharge
- Wide 21-inch cutting path
- Single-lever 7-position deck height adjustment
Cons
- Manual push drive without self-propelled assist
- Heavy frame weighing 74.1 pounds
Good fit if
- You want 80V motor output combined with up to 60 minutes of runtime.
- You need 3-in-1 flexibility to mulch, bag, or side-discharge clippings.
- You prefer manual push control over motorized drive wheels.
Skip if
- You need a self-propelled drive system for sloped terrain.
- You prefer a lightweight machine that weighs under 50 pounds.
Verdict: Greenworks 80V 21-Inch Cordless Push Mower delivers high-voltage power and versatile 3-in-1 cutting options with up to 60 minutes of runtime. Its 74.1-pound push frame provides direct manual control across open turf.
Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier
Best for: clearing thatch and moss in residential yards
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 48V (24V x 2) battery
- Cutting Width
- 15 in
- Voltage
- 48V (24V x 2)
- Motor Type
- brushless
- Application
- Yard, Garden, Lawn
View on Amazon: Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier
This 2-in-1 cordless tool scarifies and dethatches your lawn using two 24V 4.0 Ah batteries to deliver 48V brushless power. It clears a 15-inch working path at up to 3600 RPM with five depth settings. If you need to remove dead grass and moss instead of mowing, this 26-pound groomer suits your yard maintenance routine.
Pros
- Dual 24V batteries deliver 48V brushless motor power at 3600 RPM
- Comes with two 4.0 Ah batteries and a 65W charger
- 5-position depth control from -0.98 inches to +0.79 inches
- Lightweight 26-pound frame for easier pushing
Cons
- Dedicated dethatcher and scarifier rather than a grass-cutting mower
- 15-inch working path is narrower than standard 20-inch or 21-inch decks
- Requires charging and loading two separate batteries to operate
Good fit if
- You need to clear embedded thatch and moss down to -0.98 inches.
- You already own or want tools in the Greenworks 24V battery lineup.
- You prefer a lightweight 26-pound chassis for yard aeration.
Skip if
- You need a standard rotary lawn mower to cut growing grass.
- You want a single-battery tool that does not require matched pairs.
Verdict: Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier runs on dual 4.0 Ah packs to extract dead material from turf. It serves as a specialized lawn renovation tool rather than a routine grass cutter.
Greenworks 60V 21-Inch Self-Propelled Mower
Best for: sloped lawns up to 3/4 acre
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- battery powered
- Cutting Width
- 21 in
- Voltage
- 60V
- Drive Type
- self-propelled
- Mowing Function
- 4-in-1
This Greenworks 60V cordless mower pairs a 21-inch cutting deck with self-propelled rear-wheel drive. Powered by two included 4.0 Ah batteries and a brushless motor, it handles properties up to 3/4 acre. You get 4-in-1 discharge versatility—mulching, bagging, side discharge, and turbo leaf pickup—along with built-in LED headlights. It fits you if you want 60V power to tackle slopes and thicker grass without pushing manual equipment.
Pros
- Includes two 4.0 Ah 60V batteries
- Self-propelled rear-wheel drive
- 4-in-1 functions: mulch, bag, side discharge, and turbo leaf pickup
- Brushless motor with LED headlights
Cons
- Heavy 65-pound total weight
- Long 68.9-inch profile requires ample storage space
Good fit if
- You need self-propelled assist to manage inclines or dense lawns
- You want two 4.0 Ah batteries included for yards up to 3/4 acre
- You plan to switch between bagging, mulching, side discharge, and leaf pickup
Skip if
- You prefer a lightweight push mower that weighs under 50 pounds
- You have tight storage that cannot accommodate a 68.9-inch machine length
Verdict: Greenworks 60V 21-Inch Self-Propelled Mower delivers strong 60V power, dual 4.0 Ah batteries, and 4-in-1 mowing versatility for larger yards. Its 65-pound build and rear-wheel drive give you steady traction on slopes without manual pushing.
Greenworks 48V 17-Inch Cordless Push Mower
Best for: quarter-acre lawns needing a lightweight push mower
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 17 in
- Voltage
- 48V (24V x 2)
- Drive Type
- Push
- Runtime
- Up to 45 min
This Greenworks 48V cordless push mower runs on two 24V 4.0 Ah batteries to deliver up to 45 minutes of runtime. It features a 17-inch poly deck, a single lever with 5 cutting heights from 1-3/8 to 3-3/4 inches, and a 2-in-1 mulch and rear-bag system. At 42.5 pounds, it suits you if you maintain yards up to 1/4 acre and want a lightweight push machine.
Pros
- Dual 24V 4.0 Ah batteries provide 48V power and up to 45 minutes of runtime
- Lightweight 42.5-pound build with a rust-resistant 17-inch poly deck
- Single-lever height adjustment with 5 settings from 1-3/8 to 3-3/4 inches
- 2-in-1 capability supports both mulching and rear-bagging
Cons
- Manual push drive lacks self-propelled assistance
- No side-discharge option included
- Requires both 24V batteries inserted to operate at 48V
Good fit if
- You manage a yard up to 1/4 acre that takes 45 minutes or less to mow.
- You want a lightweight 42.5-pound mower that maneuvers easily around garden beds.
- You use or plan to expand into the Greenworks 24V power tool lineup.
Skip if
- You need a self-propelled drive system to reduce pushing effort.
- You want a 3-in-1 deck setup that includes side discharge.
- You maintain more than 1/4 acre and need a wider cutting path.
Verdict: Greenworks 48V 17-Inch Cordless Push Mower pairs dual 4.0 Ah batteries with a 42.5-pound poly deck for nimble handling on yards up to 1/4 acre. It provides practical 2-in-1 cutting options if you do not need self-propulsion or side discharge.
WORX 14-Inch 40V Cordless Lawn Mower
Best for: yards under 1/8 acre and tight spaces
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 14 in
- Voltage
- 40V
- Runtime
- 1/8 acre per charge
- Cutting Height
- 0.8-3 in, 6 positions
The WORX 40V 14-Inch Cordless Push Lawn Mower is a compact walking mower built for smaller yards. It runs on a 40V battery platform with a brushless motor and covers up to 1/8 acre per charge. You get a 14-inch cutting deck, six height adjustments ranging from 0.8 to 3 inches, and 2-in-1 bagging or mulching. It weighs 27.7 pounds, making it easy to steer in tight spaces.
Pros
- Brushless motor for efficient operation
- Lightweight 27.7-pound frame
- Cut-to-edge deck design for borders and fences
- Six-position single-lever height adjustment from 0.8 to 3 inches
- 2-in-1 mulching and bagging capability
Cons
- Coverage limited to 1/8 acre per charge
- Narrow 14-inch cutting width requires more passes
- No side-discharge mowing option
Good fit if
- You maintain a small lawn up to 1/8 acre.
- You want a lightweight 27.7-pound machine for tight corners.
- You need a cut-to-edge deck to trim close to garden borders.
Skip if
- You need to cut more than 1/8 acre per session.
- You want a wide deck over 14 inches to finish faster.
- You need a side-discharge discharge mode.
Verdict: WORX 40V 14-Inch Cordless Push Lawn Mower delivers compact 2-in-1 mowing with a lightweight 27.7-pound deck for properties up to 1/8 acre. It provides single-lever height control and close border cutting for small residential yards.
Greenworks 80V 21-Inch Cordless Push Mower
Best for: flat yards up to a half-acre
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 80V battery
- Cutting Width
- 21 in
- Voltage
- 80V
- Drive Type
- push
- Deck Material
- steel
This Greenworks model pairs an 80V brushless motor with a 21-inch steel deck and a single 4.0 Ah battery. It handles lawns up to a half-acre per charge. You get manual push operation and 4-in-1 capabilities, including bagging, mulching, side discharge, and turbo leaf pickup. It suits you if you want high-voltage power with a durable steel cutting deck for standard residential yards.
Pros
- High-voltage 80V brushless motor
- Durable 21-inch steel cutting deck
- 4-in-1 discharge, mulching, bagging, and leaf pickup
- Integrated LED headlight for low-light mowing
Cons
- Push-drive design provides no self-propelled assistance
- Weighs 68.3 pounds to push manually
Good fit if
- You have up to a half-acre yard to mow on a single charge.
- You prefer a rigid steel deck over a plastic deck.
- You already own or plan to use tools from the Greenworks 80V lineup.
Skip if
- You need self-propelled drive to navigate hills or rough terrain.
- You want a lightweight mower that weighs under 60 pounds.
Verdict: Greenworks 80V 21-Inch Cordless Push Mower delivers high-voltage power and durable steel-deck construction for lawns up to a half-acre. Its push-drive configuration makes it best suited for flat ground where you do not need self-propulsion.
Litheli 13-Inch Cordless Lawn Mower
Best for: small lawns up to 1,300 square feet
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery
- Cutting Width
- 13 in
- Runtime
- 15 min
- Cutting Height
- 1-2.5 in, 5 positions
- Application
- Lawn
This Litheli push mower runs on an included 4.0 Ah battery and offers a compact 13-inch cutting deck. With a listed runtime of 15 minutes, it manages yards up to 1,300 square feet per charge. The unit weighs 24 pounds, features five cutting heights between 1 and 2.5 inches, and collects clippings in an 8-gallon bag. It suits you if you need a lightweight machine for a compact suburban lawn.
Pros
- Weighs 24 pounds for easier handling
- Battery doubles as a power bank for mobile devices
- Five cutting height adjustments from 1 inch to 2.5 inches
- Includes an 8-gallon grass collection bag
Cons
- Runtime limited to 15 minutes per charge
- Narrow 13-inch deck requires more passes
- Maximum cutting height caps at 2.5 inches
Good fit if
- You maintain a yard of 1,300 square feet or less.
- You need a 24-pound lightweight frame with a folding handle for tight storage.
- You want a mower battery capable of charging USB electronics.
Skip if
- You need more than 15 minutes of runtime on a single charge.
- You prefer grass taller than the 2.5-inch maximum cut setting.
- You have a larger lawn that requires a wider mowing deck.
Verdict: Litheli 13-Inch 4.0 Ah Cordless Lawn Mower delivers compact handling and multi-use battery power for lawns under 1,300 square feet. Its 15-minute runtime and narrow deck keep it strictly focused on quick, small-space mowing.
EGO Power+ 21-Inch 56V Cordless Push Mower
Best for: manual push mowing on moderate yards
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- Cordless battery, 56V
- Cutting Width
- 21 in
- Voltage
- 56V
- Drive Type
- Push
- Runtime
- Up to 35 min
This EGO Power+ walk-behind mower pairs a 21-inch cutting deck with a 56V 4.0Ah ARC Lithium battery. It delivers up to 35 minutes of runtime on a single charge and features a brushless motor with push-button start. The 3-in-1 system supports mulching, bagging, and side discharge. It suits you if you maintain small to medium yards and prefer manual push operation.
Pros
- 21-inch cutting deck covers wide passes
- 3-in-1 discharge capability: mulch, bag, or side discharge
- 7-position cutting height adjustment from 1.25 to 4 inches
- Brushless motor delivers up to 6.0 ft-lbs of cutting torque
Cons
- Push-drive system lacks self-propelled assist
- Maximum runtime is limited to 35 minutes per charge
Good fit if
- You want a wide 21-inch cut with manual push maneuvering.
- You need flexible clipping handling including mulching, bagging, and side discharge.
- You can finish mowing your yard within 35 minutes.
Skip if
- You require self-propelled drive wheels for hills or uneven ground.
- You need more than 35 minutes of continuous mowing per charge.
Verdict: EGO Power+ 21-Inch 56V Cordless Push Mower gives you a 21-inch deck, 3-in-1 clipping management, and LED headlights in a manual push format. It is a capable choice if your property can be cut in under 35 minutes.
RB 40V 13-Inch Brushless Push Mower
Best for: small lawns and tight storage spaces
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 13 in
- Voltage
- 40V
- Drive Type
- push
- Runtime
- 30 min
This push mower pairs a 40V 4.0 Ah battery with a compact 13-inch cutting deck and a brushless motor. It delivers up to 30 minutes of runtime per charge and supports 2-in-1 bagging or mulching. At 28 pounds with 6-inch wheels and a folding handle, it suits you if you need a nimble, lightweight mower for small yards or tight spaces.
Pros
- Lightweight 28-pound build for easy lifting and steering
- Brushless 40V motor with push-button start
- 2-in-1 capabilities for bagging or mulching
- Foldable handle for compact upright storage
Cons
- Narrow 13-inch cutting width requires more passes
- 30-minute runtime limits coverage on larger yards
- Manual push design with no self-propulsion
Good fit if
- You have a small lawn that takes under 30 minutes to cut.
- You want an ultra-light 28-pound mower that stores easily.
- You need to navigate narrow gates and tight landscape borders.
Skip if
- You have a large yard that requires a wider cutting width.
- You want self-propelled drive assistance.
- You need more than 30 minutes of continuous mowing per charge.
Verdict: RB 40V 13-Inch Brushless Push Mower is an ultra-light option for small lawns and tight passages where maneuverability matters most. Its 40V 4.0 Ah battery provides 30 minutes of runtime with flexible mulching or bagging capabilities.
Greenworks 40V 17-Inch Brushless Push Mower
Best for: lawns up to 1/4 acre
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 40V battery
- Cutting Width
- 17 in
- Voltage
- 40V
- Drive Type
- push
- Runtime
- 35 min
This Greenworks push mower pairs a 40V brushless motor with an included 4.0 Ah battery to deliver up to 35 minutes of cutting per charge. Its 17-inch cutting deck supports both mulching and rear bagging, adjusted across six heights using a single lever. If you manage a yard up to 1/4 acre and want a compact walk-behind mower that avoids gas maintenance, this model fits your setup directly.
Pros
- Brushless motor provides higher torque and quieter running
- Single lever easily adjusts through 6 cutting height positions
- 2-in-1 deck functionality supports mulching and bagging
- Includes a 40V 4.0 Ah battery with up to 35 minutes of runtime
Cons
- Manual push drive requires physical effort across slopes
- No side-discharge mowing option included
- Runtime capped at 35 minutes per charge
Good fit if
- You maintain a lawn up to 1/4 acre in size.
- You prefer a compact 17-inch deck that bags or mulches.
- You already use or plan to use Greenworks 40V power tools.
Skip if
- You need a self-propelled drive system for easier maneuvering.
- You require a side-discharge discharge mode for tall growth.
- You have a larger property that demands more than 35 minutes of runtime.
Verdict: Greenworks 40V 17-Inch Push Lawn Mower delivers dependable cutting power and simple two-in-one deck adjustments for lawns up to 1/4 acre. It gives you clean battery performance without complex maintenance.
Greenworks 48V 20-Inch Cordless Push Lawn Mower
Best for: wide steel-deck push mowing
- Battery Capacity
- 4.0 Ah (what this guide is about)
- Power Source
- 48V (24V x 2) battery
- Cutting Width
- 20 in
- Voltage
- 48V (24V x 2)
- Drive Type
- push
- Runtime
- up to 45 min
View on Amazon: Greenworks 48V 20-Inch Cordless Push Lawn Mower
This Greenworks mower pairs two 24-volt 4.0 Ah batteries to deliver 48-volt power to a brushless motor. It features a 20-inch steel cutting deck and runs for up to 45 minutes on a full charge. A dual-port charger comes in the kit. This push mower suits you if you want wide cutting passes and plan to use Greenworks 24V cordless tools.
Pros
- Durable 20-inch steel cutting deck
- Brushless motor running on dual 24V batteries for 48V power
- Up to 45 minutes of run time per charge
- Includes two 4.0 Ah USB batteries and dual-port charger
- Batteries work across Greenworks 24V tool line
Cons
- Push drive system lacks self-propulsion
- Unit weighs 67.2 pounds
Good fit if
- You want a 20-inch steel deck for wider mowing passes.
- You already own or plan to use Greenworks 24V power tools.
- You can complete your mowing routine within 45 minutes.
Skip if
- You need a self-propelled drive mechanism.
- You want a lightweight mower under 60 pounds.
Verdict: Greenworks 48V 20-Inch Cordless Push Mower delivers wide cutting passes and steel deck durability using two 24V 4.0 Ah batteries. It is a practical push-drive option if your yard takes 45 minutes or less to mow.
Specifications side by side
| Spec | WEN 15-Inch Cordless Brushless Dethatcher and Scarifier | Greenworks 40V 16-Inch Push Lawn Mower | Worx 40V 17-Inch Cordless Lawn Mower | EGO Power+ 21-Inch Self-Propelled Cordless Mower | Greenworks 80V 21-Inch Cordless Push Mower | Greenworks 48V 15-Inch Cordless Dethatcher and Scarifier | Greenworks 60V 21-Inch Self-Propelled Mower | Greenworks 48V 17-Inch Cordless Push Mower | WORX 14-Inch 40V Cordless Lawn Mower | Greenworks 80V 21-Inch Cordless Push Mower | Litheli 13-Inch Cordless Lawn Mower | EGO Power+ 21-Inch 56V Cordless Push Mower | RB 40V 13-Inch Brushless Push Mower | Greenworks 40V 17-Inch Brushless Push Mower | Greenworks 48V 20-Inch Cordless Push Lawn Mower |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power Source | 20V Max battery | Cordless battery, 40V | Cordless battery | 56V battery | Cordless battery, 80V | 48V (24V x 2) battery | battery powered | Cordless battery | 40V battery | 80V battery | Cordless battery | Cordless battery, 56V | 40V battery | 40V battery | 48V (24V x 2) battery |
| Cutting Width | 15 in | 16 in | 17 in | 21 in | 21 in | 15 in | 21 in | 17 in | 14 in | 21 in | 13 in | 21 in | 13 in | 17 in | 20 in |
| Voltage | 20V Max | 40V | 40V | 56V | 80V | 48V (24V x 2) | 60V | 48V (24V x 2) | 40V | 80V | not specified | 56V | 40V | 40V | 48V (24V x 2) |
| Drive Type | not specified | Push | not specified | self-propelled | Push | not specified | self-propelled | Push | not specified | push | not specified | Push | push | push | push |
| Battery Capacity | 4.0Ah | 4.0 Ah | 4.0Ah | 4.0Ah | 4.0 Ah | 4.0Ah | 4.0Ah | 4.0Ah (two 24V batteries) | not specified | 4.0Ah | 4.0Ah | 4.0Ah | 4.0Ah | 4.0Ah | 4.0Ah (2 batteries) |
| Runtime | not specified | not specified | not specified | 65 min | Up to 60 min | not specified | not specified | Up to 45 min | 1/8 acre per charge | not specified | 15 min | Up to 35 min | 30 min | 35 min | up to 45 min |
| Deck Material | not specified | not specified | not specified | not specified | not specified | not specified | not specified | Poly | not specified | steel | not specified | not specified | not specified | not specified | steel |
| Cutting Height | 5 positions, +1/4 to -1/2 in | 5 positions | 6 heights | 1.5-4 in, 7 positions | 7 positions | not specified | not specified | 1-3/8 to 3-3/4 in, 5 positions | 0.8-3 in, 6 positions | not specified | 1-2.5 in, 5 positions | 1.25-4 in, 7 positions | not specified | 6 positions | not specified |
| Mowing Function | not specified | 2-in-1, mulch and rear bag | 2-in-1 mulch and bag | 3-in-1 | 3-in-1: mulch, rear bag, side discharge | not specified | 4-in-1 | 2-in-1 (mulch, bag) | 2-in-1 (bag, mulch) | not specified | not specified | 3-in-1: mulch, bag, side discharge | 2-in-1 bag or mulch | 2-in-1 mulch or bag | not specified |
| Motor Type | brushless | not specified | Brushless | brushless | Brushless | brushless | brushless | not specified | brushless | brushless | not specified | Brushless | brushless | brushless | brushless |
| Application | not specified | Lawn | Lawn | Lawn | Lawn | Yard, Garden, Lawn | Lawn | Lawn | Lawn | Lawn | Lawn | Lawn | Lawn | Lawn | Lawn |
| Dimensions | 42.9 × 22.8 × 40.2 inches | 50.8 × 18.9 × 39 inches | 61.8 × 42.2 × 18.1 inches | 66.7 × 23.2 × 37 inches | 32.3 × 18.2 × 20.4 inches | 43.7 × 42.5 × 23.2 inches | 68.9 × 25.6 × 42.1 inches | 52.1 × 19.2 × 41 inches | 49.7 × 15.4 × 41.1 inches | 67.7 × 25.6 × 41 inches | 38 × 16 × 50 inches | 67.5 × 22.4 × 36.2 inches | 33.1 × 14.8 × 42.6 inches | 52 × 19.1 × 40.9 inches | 61.8 × 20.9 × 40.2 inches |
| Weight | not specified | 37.5 pounds | 39.7 pounds | 77.2 pounds | 74.1 pounds | 26 pounds | 65 pounds | 42.5 pounds | 27.7 pounds | 68.3 pounds | 24 pounds | not specified | 28 pounds | not specified | 67.2 pounds |
| Size | 15-Inch, Cordless | 16" Cordless (4.0Ah) | not specified | 21" | 21" Push | 48V Dethatcher / Scarifier (2) 4.0Ah | 21"SP w/2 x 4.0Ah Batteries | 17" (2 x 4.0Ah) | not specified | 21 in Mower (1 x 4.0Ah) | 13 inch | Lawn Mower w/4.0Ah Battery | 13 IN | 17" Mower (4.0Ah) Gen 2 | 20" Mower (2 x 4.0Ah) |
| Color | Cordless | Green | Black and Orange | black | Black/Green | Green | Green and Black | Green | Black and Orange | Green&Black | Orange 1 Battery 13 inch | Black | white | Green | Green |
| Model | 20716 | 25322 | WG745 | LM2132SP-2 | 2501202 | DT2L420 | MO60L424 | MO48B01 | WG735 | MO80L415 | EGT010172 | LM2112 | EB132CP | MO40L413-00 | MO48L4210 |
Is a 4.0 Ah Battery Worth It for Your Lawn?
A 4.0 Ah battery capacity defines your continuous working window. On these mowers, a single 4.0 Ah battery delivers between 15 and 60 minutes of runtime, managing areas from 1,300 square feet up to a half-acre. Configurations equipped with two 4.0 Ah packs reach up to 65 minutes of run duration, which accommodates lawns reaching three-quarters of an acre. In daily use, 4.0 Ah packs supply enough energy to complete compact and midsized yards on a single charge cycle without mid-task pauses.
Worth it if
- You have a lawn between 1,300 square feet and three-quarters of an acre that can be cut within 15 to 65 minutes.
- You want to finish mowing on a single charge using either one 4.0 Ah pack or a dual-battery setup.
Skip it if
- You maintain a property larger than three-quarters of an acre that exceeds a 65-minute cutting session.
- You require more than 35 minutes of continuous run duration from a mower that uses only a single battery.
How We Chose These Mowers
You find 15 models in this guide, each chosen because its published listing specifies a 4.0 Ah battery capacity in the title or feature details. A 4.0 Ah rating measures total electrical charge, dictating how long the pack sustains power under load. Only one size or variant per tool line appears to keep comparisons straightforward. All data comes solely from published manufacturer specifications, with no physical tools tested.
The list ranks products in stock first, then by Amazon sales rank, showing better-selling products first. Secondary specifications like cutting width, deck dimensions, motor type, and push versus self-propelled drive types allow you to evaluate runtime efficiency against your specific yard layout.
Choosing the Right 4.0 Ah Mower
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Distinguish Dethatchers from Lawn Mowers
You must verify whether the machine cuts grass or renovates turf before deciding. Some 4.0 Ah models are dethatchers and scarifiers rather than standard rotary mowers. For example, the WEN 15-Inch Cordless Brushless Dethatcher is designed specifically for pulling up dead thatch and moss across five depth settings. If you need routine weekly grass trimming, check the product listing for a rotary cutting blade and mowing deck. Choosing the wrong machine type will not keep your grass trimmed to regular lawn height.
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Match Cutting Deck Width
You should match the cutting width to the total square footage of your property. Compact decks between 13 inches and 14 inches work best for small spaces under one-eighth of an acre and narrow garden pathways. Wider decks measuring 20 or 21 inches clear broader swaths on lots approaching a half-acre or more. For example, the Litheli 13-Inch Cordless Lawn Mower targets compact areas up to 1,300 square feet. A wider cutting width reduces the total passes you must walk across open turf.
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Evaluate the Drive Type
You need to inspect the drive type specification based on your yard topography. Push mowers rely entirely on your physical effort, making them practical for level ground and lightweight maneuverability. If your property features inclines, uneven terrain, or requires heavy frames, look for a self-propelled model. For instance, the Greenworks 60V 21-Inch Self-Propelled Mower uses rear-wheel drive to provide traction on sloped lawns up to three-quarters of an acre. A motorized drive prevents fatigue, while manual push models give you direct steering control around tight borders.
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Review Clipping Discharge Options
You should check the mowing function rating to ensure the deck handles clippings the way you prefer. Basic 2-in-1 machines provide bagging and mulching capabilities, which work well for routine residential upkeep. If you let grass grow tall or want side discharge along fences, you will need a 3-in-1 or 4-in-1 machine. For example, the Worx 40V 17-Inch Cordless Lawn Mower provides 2-in-1 functions without side discharge. Confirming whether the model includes side discharge, mulching plugs, or collection bags ensures the mower matches your lawn maintenance routine.
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Check Machine Frame Weight
You should compare the published weight spec to see how easily you can lift and push the machine. These cordless units range from under 25 pounds up to more than 75 pounds. Sub-40-pound mowers allow quick maneuvering around tight obstacles and simple lifting into sheds or vehicle trunks. Heavier mowers over 65 pounds often use steel decks or motorized drive systems that require more strength to turn manually. For instance, the WORX 14-Inch 40V Cordless Lawn Mower weighs only 27.7 pounds, making it easy to steer in tight spaces.
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Look for Brushless Motors
You should verify whether the product details list a brushless motor. Brushless designs eliminate internal friction, which optimizes power transfer from your 4.0 Ah battery and minimizes motor maintenance over time. Standard brushed motors can draw power less efficiently under thick turf conditions. For example, the RB 40V 13-Inch Brushless Push Mower includes a brushless motor that delivers dependable operation across a compact cutting frame. Choosing a brushless model helps you maximize the work performed during each 4.0 Ah battery discharge cycle without adding unnecessary mechanical wear.
Frequently asked questions
How long does a 4.0 Ah battery last on a cordless lawn mower?
Runtime varies depending on mower voltage, motor design, and deck size. Among these models, the Litheli 13-Inch runs for about 15 minutes on its 4.0 Ah pack, while the RB 40V 13-Inch delivers around 30 minutes. Higher-voltage units like the Greenworks 80V 21-Inch mower manage up to 60 minutes, and the EGO Power+ 56V self-propelled unit reaches 65 minutes using dual batteries.
Are all 4.0 Ah cordless lawn tools in this guide standard mowers?
No, some machines equipped with 4.0 Ah packs serve different lawn-care purposes. The WEN model 20716 and the Greenworks DT2L420 are dedicated dethatchers and scarifiers rather than standard grass cutters. These specialized tools feature 15-inch working widths designed to pull up thatch and moss, preparing your turf for healthier growth rather than trimming blade height on routine weekends.
Which 4.0 Ah cordless lawn mower is the lightest?
The Litheli 13-Inch Cordless Lawn Mower is the lightest model listed, weighing just 24 pounds. If you want a slightly wider cutting path without much added bulk, the WORX 14-Inch 40V mower weighs 27.7 pounds, and the RB 40V 13-Inch model comes in at 28 pounds. These compact, lightweight push frames make storage and tight lawn maneuvering very simple for you.
Can a 4.0 Ah cordless mower handle self-propelled drive?
Yes, several 4.0 Ah cordless mowers include motorized drive systems to reduce manual pushing. The EGO Power+ LM2132SP-2 runs on a 56V platform with variable-speed self-propulsion and a 21-inch cutting deck. Similarly, the Greenworks 60V MO60L424 provides rear-wheel self-propelled drive across a 21-inch width. Both models pair self-propulsion with dual 4.0 Ah battery setups to maintain practical running times across sloped terrain.
What cutting widths are available among 4.0 Ah lawn mowers?
Deck widths on 4.0 Ah mowers range from 13 inches up to 21 inches. Compact options include the 13-inch Litheli and RB push mowers, along with the 14-inch WORX WG735. Mid-sized decks include 16-inch and 17-inch units from Greenworks and WORX. Larger 20-inch and 21-inch decks appear on heavy-duty models from Greenworks and EGO Power+ for broader cutting coverage per pass.
What mowing discharge functions do 4.0 Ah cordless mowers provide?
Most 4.0 Ah mowers offer multi-option clipping management based on their deck design. Many compact units, including the Greenworks 40V 16-Inch and WORX 17-Inch, feature 2-in-1 capability for mulching and bagging. Larger models, like the Greenworks 80V 21-Inch and EGO Power+ 56V units, expand to 3-in-1 functions, adding side discharge. The Greenworks 60V 21-Inch mower provides versatile 4-in-1 grass management.
Do 4.0 Ah mowers run on single or dual battery systems?
Both setups exist across this 15-model lineup depending on mower voltage requirements. For instance, the Greenworks 80V MO80L415 uses a single 4.0 Ah pack. In contrast, models like the WORX WG745, Greenworks 48V 17-Inch, and Greenworks 60V MO60L424 use dual 4.0 Ah batteries to power their motors. Dual-battery systems help sustain operating time on larger decks without sacrificing cutting performance.