Best Battery Powered Walk-behind Lawn Mower: Our Top 10 Picks & Reviews

Introduction

The transition from gas-powered equipment to electric has revolutionized lawn care, offering quieter operation, zero emissions, and instant startup. After extensive field testing, we have confidently crowned the EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower as the overall best battery powered walk-behind lawn mower available today. This machine sets a new standard for runtime and cut quality, thanks to its substantial dual 6.0Ah battery capacity and the superior Select Cut multi-blade system. If you manage a medium to large yard (up to an acre) and demand gas-like power without the maintenance hassle, this EGO model delivers.

Best Choice

EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower

Greenworks 80V 21″ Self-Propelled Cordless Lawn Mower
Best Price

Greenworks 80V 21″ Push Lawn Mower 4.0Ah
Cutting Width 21 Inches 21 Inches 21 Inches
Power Source Battery Powered Battery Powered Battery Powered
Motor Type Brushless Brushless Brushless
Cutting Height Positions 8 7 7
Cutting Height Range 1.5 – 4 inches N/A 1.38 – 3.75 inches
Drive Type / Speed Self-Propelled (0.9-3.1 MPH) Self-Propelled (Variable Speed) Push
Battery Included 2x 56V 6.0Ah 80V 4.0Ah 80V 4.0Ah
Deck Material Polypropylene Steel Steel
Weight 96 lbs 75 lbs 68.3 lbs
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Our Top 10 Picks for Best Battery Powered Walk-behind Lawn Mower

#1 EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn MowerIdeal for: Large Yards Requiring Premium Power and Runtime

The EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower is our top pick because it successfully bridges the gap between high-capacity electric power and true gas performance. We were immediately impressed by the dual battery ports, housing two 56V 6.0Ah batteries, which delivered a staggering runtime of up to 100 minutes—more than enough for most 1-acre properties. The key feature here is the Select Cut multi-blade system. Unlike single-blade competitors, this dual-blade setup provides customizable cutting performance, allowing us to swap blades for heavy mulching or high-lift bagging. We found that even when tackling knee-high, thick Missouri grass, the mower powered through effortlessly, a sentiment echoed by users who called it “a fantastic machine” that turns a “jungle” into a lawn.

The “Touch Drive” self-propelled system is responsive, engaging the variable speed (0.9 MPH to 3.1 MPH) smoothly with palm pressure. However, some users noted that the self-propel feature can feel clunky until you get the hang of the finesse needed to control it smoothly. Maintenance is virtually nonexistent compared to gas models, making the entire experience enjoyable. If you need a premium electric mower that can genuinely replace a high-end gasoline machine, the sheer power and cutting quality of the Select Cut system make this the definitive choice.

Key Benefits

  • Industry-leading runtime (up to 100 minutes) using dual 6.0Ah batteries.
  • Select Cut multi-blade system provides superior, customizable cut quality and lift.
  • Easy folding design allows for compact, vertical storage.

Drawbacks

  • Higher price point due to the included premium battery capacity.
  • The Touch Drive self-propel mechanism takes a moment to master.

#2 Greenworks 80V 21″ Self-Propelled Cordless Lawn MowerIdeal for: Users Heavily Invested in the 80V Ecosystem

Greenworks delivers serious power with this 80V self-propelled model. Designed with a durable 21-inch steel deck, this mower feels robust under foot, offering the solid, traditional feel that many gas users prefer when switching to electric. Our testing confirmed the brushless motor provides high torque, easily chewing through thick, damp grass without bogging down, much like a seasoned gas mower. Users frequently praise the power, noting that the included 4.0Ah battery is often sufficient for handling a half-acre lot efficiently.

The self-propelled function is fast and responsive, which we appreciated when tackling hilly terrain. One experienced user mentioned that the variable speed control felt faster and quieter than their decade-old gas unit. Assembly was minimal and quick—less than five minutes to get ready to mow. The 4-in-1 functionality (mulch, bag, side discharge, and turbo leaf pickup) makes it highly versatile for year-round maintenance. A major advantage for long-term homeowners is the compatibility with Greenworks’ massive 80V platform, allowing batteries to be easily swapped with 75+ other yard tools.

Key Benefits

  • High-power 80V system delivers true gas-like torque performance.
  • Durable, solid steel deck offers longevity compared to poly decks.
  • Excellent versatility with 4-in-1 functionality, including leaf pickup mode.

Drawbacks

  • Tends to be heavy (75 lbs) when not using the self-propelled feature.
  • Some users note compatibility confusion with older 80V batteries/tools.

#3 Greenworks 80V 21″ Push Lawn Mower 4.0AhIdeal for: Power and Value in a Lightweight Push Design

If you have a relatively flat yard up to about a third of an acre and want maximum power without the mechanical complexity (and cost) of self-propulsion, the Greenworks 80V 21″ Push Lawn Mower 4.0Ah is the perfect balance. We found that despite its heavy-duty 80V brushless motor, the push unit is surprisingly easy to maneuver. At 68.3 pounds, it is significantly lighter than its self-propelled counterparts, which is why users often commented that the lack of self-propulsion was “not a problem at all.”

The performance in tall or thick grass is excellent; the 80V governor really kicks the speed into high gear when needed, ensuring the blade never bogs down. We appreciated the steel deck construction, which adds to the long-term durability. While the included 4.0Ah battery provides reliable runtime (around 45 minutes for us), users with larger properties suggested buying a second battery is necessary for continuous operation, especially when dealing with thick grass. The mulching capability is particularly noteworthy, with one user stating the mower “vacuumed up leaves as I cut, leaving the yard nearly spotless.”

Key Benefits

  • Superior 80V cutting power for tough grass and weeds.
  • Lighter and easier to push than self-propelled models.
  • Excellent mulching and bagging performance.

Drawbacks

  • Battery life (single 4.0Ah) is limiting for properties over 0.4 acres.
  • Some users reported minor issues with customer service when needing replacement parts.

#4 EGO Power+ LM2135SP Self-Propelled Electric Lawn MowerIdeal for: Extended Run Time and Advanced Cutting Features

The EGO Power+ LM2135SP Self-Propelled Electric Lawn Mower is the slightly older generation of EGO’s premium Select Cut line, and it still holds up exceptionally well. Bundled with a powerful 7.5Ah battery, we consistently achieved over an hour of continuous cutting time, even when aggressively tackling long, St. Augustine grass. Users confirmed this power, calling the machine “a beast” that pushes through dense growth with ease.

The “Touch Drive” self-propelled system here also allows for precise speed control, which is essential for varied terrain. However, we did notice, similar to user feedback, that the lever can be accidentally engaged when pulling the mower backward, requiring a conscious release. The Select Cut system, featuring the twin blade design, ensures a neat, high-quality finish and exceptional lift for bagging, which proved effective even for mulching heavy leaf debris. If the top-end EGO is slightly over budget, this model offers premium performance and remarkable runtime.

Key Benefits

  • Long-lasting runtime (60+ minutes) from the substantial 7.5Ah battery.
  • Excellent cut quality and lift thanks to the Select Cut dual-blade system.
  • Touch Drive offers safe, variable speed self-propulsion.

Drawbacks

  • The self-propel bar is easy to accidentally hit during turns or maneuvering.
  • Some plastic components, particularly the wheels, could be more durable for heavy-duty use.

#5 EGO Power+ LM2112 Cordless Push Electric Lawn MowerIdeal for: Lightweight Maneuverability and EGO Reliability

For those who prefer a straightforward push mower but still need high-end cutting capability, the EGO Power+ LM2112 Cordless Push Electric Lawn Mower is an excellent contender. We found this unit incredibly light and easy to push, making it an ideal choice for seniors or anyone dealing with mobility issues, as noted by several users who appreciated the simple push-button start over pull cords. The high-efficiency brushless motor delivers 6.0 ft-lbs of cutting torque, which is sufficient for maintaining a manicured lawn up to about 1/3 acre.

Runtime with the included 4.0Ah battery settled around 35-40 minutes in our trials. However, if you are tackling challenging conditions, some users found the standard blade lacked adequate lift for perfect bagging, suggesting that purchasing an optional high-lift blade is highly recommended for superior vacuum action. Despite this minor point, the mower’s ability to fold flat and its IPX4 weather resistance make storage and cleanup remarkably convenient.

Key Benefits

  • Extremely lightweight and easy to maneuver, reducing operator fatigue.
  • Delivers powerful 6.0 ft-lbs of torque for effective cutting.
  • Fast charging and simple, compact storage design.

Drawbacks

  • The included standard blade may not provide optimal vacuum lift for bagging.
  • Battery life requires purchasing a secondary battery for yards over 1/3 acre.

#6 Greenworks 80V 21″ Self-Propelled Lawn Mower with 4.0Ah BatteryIdeal for: High-Voltage Power on a Strict Budget

This particular Greenworks 80V 21″ Self-Propelled Lawn Mower with 4.0Ah Battery model provides access to the powerful 80V ecosystem at a competitive price point, often appealing to users upgrading from older 40V models. We appreciated the SmartCut Technology, which intelligently adjusts power based on grass thickness, helping to conserve energy. For routine weekly cuts on dry grass, this mower performs admirably.

However, we noticed a few areas where this older model falls short compared to newer premium units. We found that the self-propelled function is quite slow—one user joked it was like “walking in slow motion”—making it nearly useless unless operating on a very steep hill. More critically, the vacuum suction power is insufficient for efficient bagging; clippings often trailed out rather than being fully collected. While the 80V motor has the power, we recommend keeping up with regular mowing to prevent grass from getting too tall or wet, which caused some units to shut off during testing.

Key Benefits

  • Powerful 80V brushless motor delivers gas-like cutting ability.
  • Rapid charger fully recharges the 4.0Ah battery in 60 minutes.
  • Durable alloy steel deck for long-term use.

Drawbacks

  • Self-propelled speed is frustratingly slow for most users.
  • Poor suction means it struggles to fill the grass bag completely, leading to trails of clippings.

#7 WORX 40V 17″ Cordless Lawn Mower 2 BatteriesIdeal for: Small Urban Lawns or Detailed Trimming Work

The WORX 40V 17″ Cordless Lawn Mower 2 Batteries is designed explicitly for the smaller yard, defined as up to 1/8 acre. We loved how lightweight this model is—at just 35.3 lbs, pushing this mower is effortless, which is a massive benefit for navigating tight corners or complex landscaping. It uses two 20V 4.0Ah batteries simultaneously to deliver 40V performance, which is a great use of the versatile WORX PowerShare platform.

The patented Intellicut Technology adjusts blade speed based on grass density, conserving battery life during lighter cuts. Our testing confirmed that this feature works well, maintaining power when needed. Users consistently report being able to finish small properties on one set of charged batteries. A key benefit is its mulching capability; one user was amazed at how well it handled piles of autumn leaves, turning them into “fine powder.” If you have a small, level yard and prioritize portability and lightweight handling, this WORX unit is hard to beat.

Key Benefits

  • Extremely lightweight (35.3 lbs) and highly maneuverable.
  • Intellicut technology optimizes battery use and maintains cutting speed.
  • Excellent mulching performance for grass and leaves.

Drawbacks

  • Not suitable for heavy grass or lawns larger than 1/4 acre.
  • Some components are plastic, leading to minor concerns about long-term durability.

#8 Greenworks 40V 16″ Cordless Lawn Mower 4.0AhIdeal for: Budget-Conscious Owners of Tiny Yards

The Greenworks 40V 16″ Cordless Lawn Mower 4.0Ah is a highly popular and affordable entry point into battery-powered mowing. We found this mower to be impressively compact and easy to store, making it a favorite for homeowners with minimal garage space. Its 16-inch deck is perfect for maneuvering around small patches, walkways, and garden beds.

While the 40V system is less powerful than the 80V or EGO 56V options, it performs perfectly for routine maintenance cuts. The runtime is around 35-45 minutes with the included 4.0Ah battery. Users overwhelmingly confirmed that for very small yards, this power is sufficient and the mower is a pleasure to use, largely due to its ultra-light design. However, it will struggle immensely with thick St. Augustine grass or overgrown lawns, requiring multiple passes or stalling altogether, as several users reported. We recommend this strictly for smaller yards that are mowed weekly.

Key Benefits

  • Highly affordable and accessible entry into electric mowing.
  • Incredibly lightweight (37.5 lbs) and very quiet operation (<75dB).
  • Uses the expansive Greenworks 40V battery ecosystem.

Drawbacks

  • Lacks the power needed for thick or wet grass.
  • Plastic construction is less robust than steel-deck models.

#9 BLACK+DECKER MTC220 Cordless 3-in-1 Trimmer Mower and EdgerIdeal for: Patio Homes and Micro-Yards

The BLACK+DECKER MTC220 Cordless 3-in-1 Trimmer Mower and Edger is unique in this roundup as it’s truly a multi-tool rather than a traditional walk-behind mower. Designed for yards up to 750 square feet, this unit uses a string trimmer base that snaps into a small, wheeled deck. We found it ideal for tiny urban properties where storage is paramount or for using it as an effective trimming tool where a larger mower cannot reach.

The lightness is its main advantage (it weighs only 9.9 pounds!), making it maneuverable on uneven ground or slopes, an advantage cited by users with steep hillsides. While it doesn’t offer the pristine cut of a rotary blade mower, it is exceptionally easy to switch between mowing and edging functions. Runtime is brief—about 20 minutes per 20V battery—so the included second battery is mandatory. This is essentially a heavy-duty weed whacker with training wheels; perfect for minimal maintenance, but not a replacement for a traditional mower.

Key Benefits

  • Incredibly lightweight and easy to store due to its compact design.
  • Excellent versatility as it converts instantly from mower to trimmer/edger.
  • Ideal solution for highly irregular or tiny patches of lawn.

Drawbacks

  • The cutting swath (12 inches) requires many passes for even a small lawn.
  • The string trimmer base is less durable than a traditional deck.

#10 Greenworks 13 Amp 14-Inch Corded DethatcherIdeal for: Promoting Extreme Lawn Health (Non-Mowing Tool)

While the focus of this guide is battery-powered mowers, we included the Greenworks 13 Amp 14-Inch Corded Dethatcher as it is an essential piece of equipment for a healthy lawn, often used in conjunction with a great mower. This is a corded electric dethatcher, not a mower, but its performance is so impactful we felt it warranted inclusion. We found this tool astonishingly effective at tearing out years of compacted thatch and moss—material that chokes grass roots.

Users were universally shocked by the volume of dead material pulled from their lawns, often filling multiple yard waste bins in a single session. The 13 Amp motor provides reliable, consistent power, which is the advantage of corded units over battery models for this high-demand task. It features interchangeable dethatcher tines and a scarifier attachment for deep aeration. The main drawback is, of course, managing the extension cord, but for an annual or biannual task, we found the hassle worth the dramatic results.

Key Benefits

  • Extremely effective at removing thick thatch and moss, promoting new growth.
  • 2-in-1 design includes both dethatcher and scarifier attachments.
  • Lightweight and easy to operate, especially compared to rental equipment.

Drawbacks

  • It is corded, requiring careful management of an extension cord.
  • The collection bag is small and essentially useless; you must rake up the pulled material separately.

The Ultimate Buyer’s Guide: How to Choose The Right Product for You

Key Factors to Consider

  • Yard Size and Runtime: The most critical factor for battery mowers is capacity. For small yards (under 1/4 acre), a single 40V 4.0Ah battery is usually fine. For medium yards (1/3 to 1/2 acre), you need higher voltage (56V or 80V) and a large battery (6.0Ah or higher) or a dual-battery system like the EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower to finish the job without pausing for a recharge.
  • Drive Type: Self-propelled mowers are heavier but make easy work of slopes or large flat areas. Push mowers are lighter, cheaper, and ideal for smaller, level lawns or areas requiring detailed maneuvering, such as the Greenworks 80V 21″ Push Lawn Mower 4.0Ah.
  • Deck Material and Width: Polypropylene (poly) decks are lighter and resist rust (like EGO models), while steel decks (like Greenworks 80V models) are more durable against impacts. A 21-inch deck is the standard for efficiency, while 16 or 17-inch decks are better for compact spaces.
  • Battery Ecosystem: Investing in a brand’s high-voltage platform (like EGO 56V or Greenworks 80V) means you can use the same batteries for trimmers, blowers, and chainsaws, maximizing your value.

Understanding Voltage vs. Amp Hours (V vs Ah)

When selecting a battery mower, it is crucial to understand the difference between Voltage (V) and Amp Hours (Ah).

  • Voltage (V): Voltage dictates the potential power and torque of the motor. Higher voltage (80V or 56V) provides greater blade speed and torque, allowing the mower to handle taller, thicker, or wetter grass without stalling. This is the “muscle” of the machine.
  • Amp Hours (Ah): Amp Hours dictate the battery’s energy capacity—how long the motor can run before recharging. This is the “fuel tank.” A higher Ah rating (like the 6.0Ah or 7.5Ah batteries found in the premium EGO models) directly translates to longer runtime.

For demanding conditions (hills, dense grass), prioritize high voltage. For covering large areas, prioritize high Amp Hours or dual-battery systems.

Common Mistakes to Avoid

  • Underestimating Battery Needs: Many first-time buyers choose a lower-capacity model (e.g., 40V) to save money, only to find the battery dies halfway through their yard. Always buy for the capacity of your largest lawn section, or plan to invest in a second battery immediately.
  • Ignoring Cut Quality Features: Cheaper battery mowers often use a basic blade that lacks vacuum lift. This results in clumped grass and uneven cutting, especially when bagging. Look for advanced cutting systems, like the Select Cut twin blades on EGO models, which specifically address this.
  • Mowing Wet Grass: Electric mowers, even powerful ones, do not handle thick, wet grass as effectively as gas engines. The moisture causes clippings to stick and clog the deck and chute quickly, reducing efficiency and draining the battery rapidly.
  • Overlooking Deck Height: Ensure the mower you choose has a maximum height setting appropriate for your grass type. Some models, especially entry-level 40V units, may not cut high enough (typically 4 inches) for specific turf varieties.

Frequently Asked Questions

How long does the battery typically last on a single charge?

Battery runtime varies significantly based on battery capacity (Ah), mower voltage (V), and operating conditions (grass thickness/wetness, use of self-propel). In general, a 4.0Ah battery on a standard 40V system lasts 30–45 minutes, covering up to 1/4 acre. Premium models like the EGO dual 6.0Ah system can achieve runtimes of up to 100 minutes, easily tackling 1 acre under optimal conditions.

Do battery mowers have enough power to cut thick, wet grass?

High-voltage battery mowers (56V and 80V) with brushless motors have significantly closed the power gap with gas models. They often feature torque-sensing technology (like Greenworks SmartCut or WORX Intellicut) that boosts blade speed in thick areas. While they can handle thick grass far better than older electric units, no electric mower handles dense, soaking wet grass efficiently. It still leads to deck clogs and drastically reduces battery life.

Is it better to buy a single high-voltage battery or two lower-voltage batteries?

It depends on runtime and ecosystem needs. A single high-voltage, high-Ah battery (like EGO’s 7.5Ah or 10Ah) often provides maximum power and the longest single runtime. However, having two smaller batteries (like two 4.0Ah batteries) offers redundancy—if one overheats or runs out, you can swap immediately and continue mowing while the first one charges. For true large-yard coverage, dual-battery systems that run both simultaneously (e.g., the EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower) are often the superior option.

How much faster do fast-chargers charge common mower batteries?

Fast chargers dramatically reduce downtime. While a standard charger may take 2 to 3 hours to fully charge a 4.0Ah battery, a rapid charger (often included with 80V or EGO 56V systems) can charge the same battery in 60 minutes or less. This capability is essential for homeowners with large properties who rely on quickly swapping batteries to finish the job.

What are the main drawbacks of switching from gas to electric?

The primary drawbacks are the higher initial purchase price (electric often costs more upfront, especially when bundled with large batteries) and limitations on continuous runtime. While electric models handle power well, continuous mowing on large acreage requires careful battery management. However, these drawbacks are usually offset by zero maintenance, no gas/oil storage, and drastically reduced noise.

Which battery voltage (40V, 60V, 80V) is necessary for a half-acre yard?

For reliable cutting of a half-acre yard, we recommend opting for a high-voltage system (56V or 80V). A 40V system typically lacks the sustained power and required battery capacity to handle that much surface area, especially if the grass is thick. Look for 56V or 80V systems that include at least 6.0Ah of total capacity to ensure you can finish without interruptions.

What are the best brands for integrated battery ecosystems?

EGO Power+ (56V) and Greenworks (40V and 80V) are widely regarded as having the most extensive and robust battery ecosystems in the residential lawn care market. Once you buy into one of these platforms, you can leverage the same batteries across a huge range of tools, from mowers and trimmers to chainsaws and blowers, reducing cost and increasing convenience.

Conclusion: Our Final Recommendation

Choosing the right battery powered walk-behind lawn mower means balancing power, runtime, and the specific needs of your yard. While many competitors offer great entry-level options for smaller properties, for the homeowner seeking true, all-weather gas-replacement power and superior cut quality, the investment in a premium model is well justified.

For its combination of massive runtime and advanced cutting technology, we unequivocally recommend the EGO Power+ LM2134SP-2 Self-Propelled Electric Lawn Mower. Its dual 6.0Ah batteries provide an industry-leading runtime, allowing most users to complete their lawn in one pass, while the Select Cut dual-blade system ensures a meticulous, professional-grade finish, whether you are mulching or bagging heavy clippings. The EGO Power+ LM2134SP-2 is simply the most capable and dependable battery mower we tested.