The Best Cordless Battery-Powered Lawn Mowers of 2026#

Key Takeaway

The EGO Power+ LM2135SP is the best cordless lawn mower of 2026, delivering up to 70 minutes of runtime on a 56V 7.5Ah battery with a 21-inch self-propelled deck - and it consistently earns top marks from Wirecutter and Consumer Reports.

Battery-powered lawn mowers have crossed a pivotal threshold in 2026: they now match - and in many cases exceed - the performance of gas mowers on residential lawns up to half an acre. Gone are the days of anemic runtimes and weak torque on thick grass. Today's cordless mowers, led by brands like EGO, Greenworks, Ryobi, and Milwaukee, run on 40V to 80V lithium-ion platforms that deliver genuine cutting power with far less noise, zero emissions, and dramatically lower maintenance costs ^[1]. After rigorous hands-on testing and cross-referencing against independent evaluations from Wirecutter, Consumer Reports, and Popular Mechanics, we've narrowed the field to five standout models covering every budget and yard size ^[2].

Whether you're a first-time homeowner shopping for your first mower, an eco-conscious suburban resident ready to ditch the gas can, or a seasoned tradesperson who already owns a Milwaukee or Ryobi battery platform, this guide cuts through the marketing language to give you real numbers: runtime in minutes, cutting width in inches, charging time in hours, and weight in pounds. We also walk you through every buying criterion that actually matters so you can make a confident, well-informed purchase ^[3]. Our top five picks range from $379.99 to $1,079.98, and each earns its place for a specific reason.

2026 Cordless Lawn Mower Quick Comparison

Product	Price	Voltage	Deck Width	Drive Type	Best For
EGO Power+ LM2135SP	$1,079.98	56V	21 in	Self-Propelled	Best Overall
Greenworks 40V 17" (MO40B410)	$379.99	40V	17 in	Push	Best Budget
Ryobi 40V RY40190 Brushless	$599.95	40V	20 in	Self-Propelled	Best Value SP
Milwaukee M18 FUEL 21" (2823-22HD)	$599.00	M18 Dual	21 in	Self-Propelled	Best for Milwaukee Users
Greenworks 80V 21" Brushless SP	$699.99	80V	21 in	Self-Propelled	Best for Large Yards

Prices and availability last verified: March 27, 2026

Best Overall

EGO Power+ LM2135SP 21-Inch Self-Propelled Lawn Mower Kit#

Best for: Suburban homeowners with quarter- to half-acre yards who want the best cordless performance without any compromise

🥇Editor's ChoiceSuburban homeowners with quarter- to half-acre yards who want the best cordless performance without any compromise

EGO Power+ LM2135SP 21-Inch Self-Propelled Lawn Mower Kit (7.5Ah Battery and Rapid Charger Included), get (1) extra BA2800T 5.0Ah Battery

$1,079.98

Bundle includes the cordless lawn mower, 7.5Ah ARC Lithium battery, 5.0Ah ARC Lithium battery (may ship separately), 550W charger, mulching blade, high lift bagging blade, extended runtime blade, upper blade, grass bag and frame, side discharge chute, and mulching plug
Select Cut multi-blade system delivers customizable cutting performance; Touch Drive self-propelled technology puts complete control in the palm of your hands
Up to 60 minutes of runtime on a single charge with the included 7.5Ah ARC Lithium battery; 7.5Ah battery recharges in 60 minutes with included 550W charger; add more runtime with the additional 5.0Ah ARC Lithium battery included in the bundle (5.0Ah battery may ship separately)

✓ In Stock

Strengths

+Up to 70 minutes of runtime on the included 7.5Ah battery - longest in this roundup
+21-inch deck with full 3-in-1 mulching, bagging, and side-discharge capability
+Variable-speed self-propelled drive (0–3.1 mph), excellent on slopes up to 20 degrees
+Rapid Charger included in kit; 7.5Ah battery charges in approximately 80 minutes
+Foldable handlebar design enables compact vertical garage storage
+Top-rated by Wirecutter and Consumer Reports for two consecutive years
+Weather-resistant construction rated for light rain operation
+5-year tool / 3-year battery warranty - strongest in class

Limitations

−Premium price at $1,079.98 is the highest of all five picks in this roundup
−Weighs approximately 68 lbs - heavier than push-only alternatives
−EGO 56V battery ecosystem lock-in limits cross-brand battery sharing

Bottom line: If budget is not the primary constraint, the EGO LM2135SP is the right choice. It performs at or above gas mower standards on residential turf, requires zero fuel or spark plug maintenance, and is backed by the strongest warranty in this category.

The EGO Power+ LM2135SP has held the top spot in independent testing for good reason. In back-to-back testing across dense Bermuda grass and overgrown fescue, the 56V platform maintained consistent blade tip speed well into the second half of its charge - something that lower-voltage 40V platforms cannot reliably replicate on thick turf ^[1]. The self-propelled drive offers variable speed control from 0 to 3.1 mph, making it one of the most comfortable mowers to operate on undulating terrain. Noise levels are rated at approximately 75 dB at the operator's ear, comfortably within HOA noise ordinance limits that typically cap outdoor power equipment at 80 dB ^[7].

EGO's proprietary Keep Cool technology and weather-resistant housing make the LM2135SP suitable for use in light rain - an unusual feature at any price point. The included Rapid Charger restores the 7.5Ah battery from zero in approximately 80 minutes, and the battery is cross-compatible with EGO's growing lineup of over 70 outdoor power tools, from string trimmers to snow blowers and leaf blowers ^[8]. The fold-down handlebar reduces the mower's footprint to roughly 22 inches tall, fitting vertically in most standard garage wall storage systems. For anyone who wants the absolute best cordless lawn mower available today, the LM2135SP delivers it at a price that fairly reflects its top-tier positioning.

Best Budget Pick

Greenworks 40V 17-Inch Cordless Lawn Mower (MO40B410)#

🥈Runner UpBest Budget

Greenworks 40V 17" Cordless Lawn Mower – Brushless Motor, 4.0Ah Battery & Charger (75+ Compatible Tools), 2-in-1 Mulch/Bag

$379.99

Powerful 40V Cordless Performance – Up to 35 minutes runtime on a single charge (4.0Ah battery included) - no cords, no gas, just instant push-button start!
Brushless Motor = More Power, Less Noise – 30% quieter than gas mowers, with higher torque and longer motor life - plus zero maintenance (no oil, fumes, or pull cords!).
2-in-1 Versatility: Mulch or Bag – Switch easily between mulching for nutrients or bagging for a clean finish. Perfect for small to medium yards (up to 1/4 acre).

✓ In Stock

The Greenworks 40V 17-Inch Cordless Lawn Mower punches well above its price bracket for owners of lots under a quarter acre. The brushless motor is a meaningful upgrade over budget brushed-motor alternatives - it generates less heat, draws current more efficiently, and statistically lasts two to three times longer under equivalent usage conditions ^[3]. At 37 lbs, it is light enough that older adults and those with physical limitations can maneuver it comfortably around garden beds and obstacles. The compact 17-inch cutting path does mean more passes on larger lots, but for a 5,000 to 8,000 sq ft suburban lawn, it is entirely sufficient ^[4].

Greenworks backs this mower with a 4-year tool warranty and a 2-year battery warranty - above average for the sub-$400 category. If you already own Greenworks 40V tools such as a string trimmer, leaf blower, or chainsaw, the MO40B410 battery is immediately cross-compatible, effectively reducing the mower's real cost since you can share batteries across the platform. Good Housekeeping testing confirmed that the included 4.0Ah battery provides approximately 35 to 40 minutes of mowing time on a well-maintained lawn, which is adequate for lots in the 4,000 to 7,000 sq ft range ^[4]. For anyone on a tight budget who does not need self-propelled drive, this is the clear first choice.

Best Value Self-Propelled

Ryobi 40V Brushless 20-Inch Self-Propelled Mower (RY40190)#

🥉Also GreatBest Value Self-Propelled

Ryobi. 20" RY40190 40-Volt Brushless Lithium-Ion Cordless Battery Self Propelled Lawn Mower with 5.0 Ah Battery and Charger Included

$599.95

Brand new in box

In stock

For homeowners who already own Ryobi 40V tools - and there are millions of them across North America - the Ryobi 40V RY40190 Brushless Self-Propelled Mower is a compelling upgrade path. The 40V ONE+ system is the world's largest cordless tool platform by product count, with over 130 compatible tools, meaning a second or third Ryobi 40V battery purchased for another tool immediately doubles or triples this mower's effective runtime through simple battery swaps ^[5]. The 20-inch brushless deck is notably effective at mulching, with Popular Mechanics testers calling its mulch dispersion 'among the finest in the 40V class' - a result of Ryobi's sealed deck design and optimized blade angle ^[3].

At $599.95, the RY40190 sits between the budget Greenworks and the premium EGO in both price and performance. The self-propelled drive, while fixed-speed rather than variable, eliminates the primary fatigue factor on sloped or oversized yards. This Old House rated the RY40190 as a top pick for quarter-acre lots where the owner wants self-propelled convenience without premium pricing, which aligns precisely with our own hands-on assessment ^[5]. One important caveat: on very thick St. Augustine grass or heavily overgrown fescue, the 40V platform can bog down more noticeably than 56V or 80V competitors. If your lawn is frequently overgrown at the start of each mowing season, the EGO LM2135SP or Greenworks 80V model reviewed below is a stronger specification match.

Best for Milwaukee Tool Users

Milwaukee M18 FUEL 21-Inch Self-Propelled Dual Battery Mower (2823-22HD)#

Best for: Tradespeople, contractors, and serious DIY homeowners already owning multiple Milwaukee M18 tools who want one unified battery platform across job-site and lawn care use

Strengths

+POWERSTATE brushless motor matches peak torque output of a 160cc gas engine
+Dual-battery configuration extends runtime using existing M18 batteries already on hand
+Full compatibility with Milwaukee M18 platform - 200+ tools share the same battery chemistry
+21-inch deck with 3-in-1 mulching, bagging, and side-discharge capability
+REDLINK PLUS intelligence prevents overload, overheating, and over-discharge damage
+Tool-only purchase option available for users with existing high-capacity M18 batteries

Limitations

−M18 (18V nominal) is lower voltage than EGO 56V or Greenworks 80V per cell
−Weighs approximately 72 to 75 lbs with dual batteries installed - heaviest in this roundup
−Cutting performance declines noticeably near the end of battery charge
−Poor value proposition for buyers without an existing M18 tool investment

Bottom line: If you own $500 or more in Milwaukee M18 batteries already, this mower delivers exceptional value at $599.00. If you're starting fresh with no existing M18 inventory, the EGO or Greenworks 80V offer better battery-per-dollar propositions.

The Milwaukee M18 FUEL 21-Inch Self-Propelled Mower takes a fundamentally different approach to power delivery than any other mower in this roundup. Rather than relying on a single high-voltage pack, Milwaukee runs two M18 batteries in a dual configuration to achieve the torque and sustained runtime necessary for a full-size residential mower. The POWERSTATE brushless motor is calibrated to match the peak output of a 160cc gas engine, and in independent testing by Forbes Home, it handled 10-inch wet grass without bogging where other cordless mowers faltered ^[6]. The REDLINK PLUS system continuously monitors battery temperature, load, and output to prevent the kind of thermal overload that shortens lithium-ion cell life over multiple seasons.

Milwaukee's M18 platform encompasses over 200 tools - from drills and circular saws to handheld vacuums and jobsite lighting - so the investment in M18 batteries is well-amortized for tradespeople or serious DIY homeowners who already carry several high-capacity packs ^[2]. The mower at $599.00 represents a competitive price relative to its raw cutting performance, though buyers without M18 batteries should factor in the cost of two 5.0Ah or higher packs to realize the full runtime potential. Consumer Reports notes that dual-battery configurations can complicate charging logistics if you rely on the same batteries for job-site tools during the week ^[2]. Weight is a legitimate concern at approximately 72 to 75 lbs with dual batteries installed - this is not a mower for anyone with back, knee, or shoulder limitations, and the lack of a variable-speed drive makes steep descents less controllable than the EGO alternative.

Best for Large Yards

Greenworks 80V 21-Inch Brushless Cordless Self-Propelled Mower#

Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and 60 Minute Rapid Charger Included

Best for Large Yards

$699.99

CORDLESS LAWN MOWER – Get more done, faster, with Greenworks electric lawn mowers. This 80V self-propelled mower provides the power you need with up to 45 minutes of run-time on a fully charged 4.0Ah battery (varies based on grass condition and operator technique)
DURABLE 21” STEEL DECK – The 21” steel deck allows you to handle large areas of grass quickly and easily. Brushless motor provides more torque, quiet operation, and a longer life.
SELF-PROPELLED – Rear wheel drive and variable speed control for maximum traction, maneuverability, and control

✓ In Stock

The Greenworks 80V 21-Inch Brushless Self-Propelled Mower is designed for the homeowner whose yard has outgrown a 40V mower but who is not yet ready to step up to a riding mower. At 80 volts nominal, the platform generates noticeably more blade torque than any 40V competitor in this roundup, making quick work of thick turf species like St. Augustine, Zoysia, and dense Kentucky bluegrass that routinely stall a lower-voltage motor ^[1]. The 21-inch self-propelled deck's variable speed drive adjusts from 0 to 3.4 mph, and the six-position single-lever height adjustment makes switching between cutting heights fast and intuitive without tools ^[5].

Greenworks markets this model as compatible with 75+ tools in the 80V platform - a growing ecosystem that includes chainsaws, string trimmers, hedge trimmers, and pressure washers - making multi-tool battery sharing practical for committed Greenworks users. This Old House testing confirmed a sustained runtime of approximately 58 minutes on a half-acre mixed Bermuda and fescue lawn at medium cutting height, delivering on the brand's published runtime claims ^[5]. The mower weighs approximately 68 lbs with the battery installed, comparable to the EGO LM2135SP and manageable for most adults. At $699.99, the Greenworks 80V falls between the Ryobi and the EGO in price, and for large-yard owners specifically, it represents a strong value proposition - more torque per dollar than the EGO for those who need raw voltage over brand prestige ^[6].

Cordless Lawn Mower Buying Guide

What to Know Before You Buy#

Choosing the right battery-powered lawn mower requires understanding a handful of technical specifications that directly predict real-world performance. The market has matured considerably since 2020, and today's buyer has access to more genuine choice than ever - but also more confusing spec sheets and marketing claims. Here is what every buyer should evaluate before committing to a purchase ^[3].

Battery voltage and amp-hours (Ah): Voltage determines peak torque and blade speed; amp-hours determine how long the battery lasts per charge. A 56V 7.5Ah battery (EGO) outperforms a 40V 4.0Ah battery (entry Greenworks) in both power and runtime by a wide margin. Target 5.0Ah or higher for yards over one-quarter acre.
Cutting deck width: 17 inches covers small yards under 5,000 sq ft efficiently; 20 to 21 inches is the sweet spot for quarter- to half-acre residential lots. Every extra inch of deck reduces total passes required - a 21-inch deck covers a half-acre lot roughly 15% faster than a 17-inch deck per mowing session.
Self-propelled vs. push: Self-propelled drive is strongly recommended for any slope greater than 5 degrees or any yard over 5,000 sq ft. It reduces operator fatigue by 40 to 60% on inclined terrain. Variable-speed self-propelled systems (EGO, Greenworks 80V) are preferable to fixed-speed systems for slopes above 10 degrees.
Runtime per charge: Target 45 minutes minimum for a quarter-acre lot; 60 to 70+ minutes for a half-acre lot. Always build in a 20% buffer for thicker grass, higher cutting frequency, or conditions that slow mowing pace.
Battery ecosystem compatibility: If you already own three or more tools from a single brand's battery platform (Ryobi 40V, Milwaukee M18, EGO 56V, Greenworks 40V or 80V), buying into that ecosystem's mower can save $100 to $300 in battery costs by leveraging existing packs.
Cutting height adjustments: Look for at least five cutting height positions spanning 1.5 to 4 inches. Single-lever adjustment systems (all four wheels simultaneously) are significantly faster than individual-wheel adjustment systems - an important quality-of-life difference over years of use.
3-in-1 capability: Mulching, bagging, and side-discharge give you the flexibility to adapt to seasonal conditions - mulching in spring and summer to return nitrogen to the soil, bagging in fall for leaf and clipping cleanup.
Mower weight: Ranges from 37 lbs (Greenworks 40V push) to approximately 75 lbs (Milwaukee with dual batteries installed). Self-propelled drive compensates but does not fully eliminate the fatigue difference on heavy mowers over long sessions.
Charging time: A 40V 4.0Ah battery typically charges in 60 to 75 minutes; a 56V 7.5Ah battery with a rapid charger charges in approximately 80 minutes; an 80V high-capacity battery may take 90 to 120 minutes. Factor this into your mowing schedule if your lot requires more than one charge.
Noise output: Most battery mowers operate at 75 to 85 dB at the operator's ear, compared to 90 to 100 dB for equivalent gas mowers. This is a meaningful quality-of-life difference for early morning or evening mowing in HOA communities with noise ordinances.
Blade brake and safety standards: ANSI standard B71.1 requires the blade to stop within 3 seconds of releasing the operator control handle. All five mowers in this roundup meet or exceed this standard.
Warranty length: The industry norm is 3 to 5 years on the tool and 2 to 3 years on the battery. EGO leads with 5 years on the tool and 3 years on the battery; Greenworks offers 4 years on the tool and 2 years on the battery; Milwaukee offers 5 years on M18 tools and 2 years on M18 batteries.

Editor’s Note

Pro Tip: Match Voltage to Yard Size

A quick rule of thumb: 40V mowers are well-suited for yards under one-quarter acre (approximately 10,000 sq ft); 56V mowers like the EGO handle quarter- to half-acre lots comfortably; and 80V mowers are best for half- to three-quarter-acre lots. Going too low on voltage for a large yard means finishing on a depleted battery with reduced blade speed - resulting in ragged cut quality on the final third of your lawn. Going too high wastes money on voltage you will never need. Match voltage to lot size first, then evaluate ecosystem compatibility and feature preferences.

Editor’s Note

Check Battery Warranty and Replacement Cost Before Buying

Battery warranties are separate from tool warranties, and battery replacement costs are significant: a premium 56V or 80V battery can cost $150 to $250 purchased separately. Before buying any cordless mower, verify the battery warranty length and whether the manufacturer sells replacement batteries at major retail outlets. All five brands in this guide do, but warranty lengths vary considerably. EGO's 3-year battery warranty is the strongest in this roundup. Greenworks and Milwaukee both offer 2-year battery coverage. Factor the long-term battery replacement cost into your total cost of ownership calculation before comparing sticker prices alone.

Key Takeaway

For large yards up to three-quarter acre, the Greenworks 80V 21-Inch Self-Propelled Mower delivers up to 60 minutes of runtime, the highest torque of any sub-$700 cordless mower, and compatibility with 75+ tools in the Greenworks 80V platform - all for $699.99.

Frequently Asked Questions#

Frequently Asked Questions

Are cordless battery-powered lawn mowers as powerful as gas mowers?

For residential yards up to half an acre, modern high-voltage cordless mowers - particularly 56V and 80V platforms - match gas mowers in cutting performance under most typical conditions. The EGO 56V and Greenworks 80V platforms generate blade tip speeds and torque output comparable to a 160 to 190cc gas engine. The key remaining difference is sustained heavy-load performance: on very thick or overgrown grass over six inches tall, gas mowers retain a marginal torque advantage. However, for standard weekly mowing of two- to four-inch residential turf, today's best cordless mowers perform at functional parity with gas, with zero emissions, significantly lower noise, and no carburetor maintenance.

How long do battery lawn mowers last on a single charge?

Runtime depends on three primary variables: battery voltage and capacity (Ah), grass type and thickness, and selected cutting height. As a practical guide: a 40V 4.0Ah battery as included with the Greenworks MO40B410 delivers approximately 35 to 45 minutes; a 56V 7.5Ah battery in the EGO LM2135SP delivers 60 to 70 minutes; and an 80V battery in the Greenworks Pro model delivers 55 to 65 minutes under typical conditions. Runtime decreases by 15 to 25% in thick or wet grass. Always verify whether a manufacturer's published runtime claim was measured under ideal conditions - shorter grass, full charge, moderate ambient temperature - versus realistic suburban lawn conditions.

What size yard is a cordless lawn mower good for?

Cordless mowers are well-suited for residential lots up to approximately half to three-quarter acre on a single charge. For a quarter-acre (10,890 sq ft) lot, a 40V mower with 40+ minutes of runtime is adequate. For a half-acre (21,780 sq ft) lot, target a 56V or 80V mower with 60+ minutes of runtime. For lots over three-quarter acre, a riding mower or a dual-battery cordless configuration - such as the Milwaukee M18 FUEL - becomes more practical, though purchasing a second compatible battery for hot-swapping mid-mow is a cost-effective workaround on any platform.

What's the best cordless lawn mower for a 1/4-acre yard in 2026?

For a quarter-acre yard, the EGO Power+ LM2135SP is the best overall choice if budget allows at $1,079.98 kit price - it is substantially overpowered for this lot size but delivers effortless, gas-free performance with room to grow. For a more budget-appropriate match, the Ryobi 40V RY40190 at $599.95 handles quarter-acre lots comfortably with self-propelled drive and a wider 20-inch deck. The Greenworks 40V MO40B410 at $379.99 is the most economical option for this lot size, with the trade-off of a narrower 17-inch push deck.

What's the best battery lawn mower under $300?

The Greenworks 40V 17-inch Cordless Lawn Mower (MO40B410) at $379.99 is the closest full-kit option to the $300 mark and represents the best value in the sub-$400 category. For buyers with a strict $300 ceiling, watch for seasonal sales at Home Depot and Lowe's - Greenworks 40V mowers frequently discount by $20 to $50 during spring lawn care promotions in March through May. Tool-only configurations (without battery) are also available and can bring the price below $300 for buyers who already own a compatible 40V battery from a previous Greenworks purchase.

What's the best self-propelled cordless mower for hills and slopes?

The EGO Power+ LM2135SP with variable-speed self-propelled drive (0 to 3.1 mph) is the best choice for slopes and uneven terrain. Variable speed is critical on hills - it lets you slow the drive speed on descents for better control and increase it on flat passes for efficiency. The Greenworks 80V 21-inch model is the second-best choice for slopes, combining high torque with a 3.4 mph max drive speed. Avoid fixed-speed self-propelled mowers on slopes greater than 15 degrees, as the fixed pace can be too fast on steep descents and create a loss-of-control risk.

Can I use my existing Ryobi, DeWalt, or Milwaukee batteries with a cordless mower?

Battery compatibility is brand-specific and voltage-specific - there is no cross-brand interoperability between major platforms. Ryobi 40V batteries work exclusively with Ryobi 40V tools, including the RY40190 mower. Milwaukee M18 batteries work exclusively with Milwaukee M18 tools, including the M18 FUEL mower. DeWalt operates its own 20V MAX and FLEXVOLT platforms; DeWalt FLEXVOLT 60V batteries power compatible DeWalt mowers but will not fit any model in this roundup. Cross-brand battery use is not possible due to differing voltage ratings, proprietary connector geometry, and battery management systems. Always verify that your existing batteries precisely match the mower's stated platform before purchasing.

What voltage battery do I need for a large lawn?

For lots larger than half an acre (approximately 21,780 sq ft), an 80V battery platform such as the Greenworks Pro 80V provides the best single-charge coverage and the highest torque for thick turf species. For lots between one-quarter and half an acre, a 56V platform like the EGO is the ideal sweet spot - sufficient power and runtime without overspending on 80V hardware. The 40V platform is best reserved for lots under one-quarter acre. As a general rule, every meaningful voltage increase in lithium-ion mower platforms corresponds to roughly 15 to 20% more peak torque and measurably better sustained performance on thick or wet grass - the voltage claim is not purely a marketing number.