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The short answer: the best electric lawn mower for most American yards is the EGO Power+ LM2135SP — a 21-inch self-propelled cordless mower with a 7.5Ah battery that owners consistently report finishing a quarter-acre in one charge. It suits anyone with a quarter to half an acre, especially with slopes. If your lawn is flat and under a third of an acre, save the money and take the Greenworks 40V 16-inch. For half an acre or more, the two-battery Greenworks 60V 21-inch is the one that will not strand you.
We do not buy, mow with, or physically handle any mower. These rankings come from aggregated owner reviews, star ratings, review volume and expert consensus — the method is on how we rank. For the whole field including gas, see our best lawn mower guide, and everything about the lawn itself lives in the lawn care hub.
Top Picks at a Glance
Our #1 Pick: EGO Power+ LM2135SP
Three themes repeat across the owner-review record for this mower, and together they explain why it sits at the top of nearly every serious electric-mower ranking. First, it does not feel like a downgrade from gas. The Select Cut twin-blade stack and 21-inch deck handle the thick, seed-heavy growth of a late-May weekend that stalls 16-inch battery mowers. Second, the drive system is the good kind: speed is set with a dial on the handle rather than a variable squeeze bar, so on a long run or an incline you set it once and walk. Owners with slopes describe that as the difference between mowing and being towed. Third, the included battery is honestly sized — reviewers with quarter-acre lots repeatedly report finishing with charge in hand, which is the single most common failure point for cheaper cordless mowers.
The criticism is real and worth knowing. It is heavy for a cordless mower at roughly 60 lb before the pack goes in, so loading it into a truck bed is a two-person job. The bag fills quickly in spring flush and clogs outright if you bag damp grass. And it costs roughly two and a half times a small cordless push mower. On a flat eighth-acre lot, you are buying capability you will never use.
Consensus Score ██████████░░ 8.9
The Ranked Field
Best for quarter- to half-acre yards, slopes, and anyone replacing a gas mower
- 56V 7.5Ah battery and rapid charger included
- 21-inch steel deck, mulch / bag / side discharge
- Touch Drive speed dial on the handle
- Folds upright for narrow garage storage
Why buy it: the electric mower owners most often say retired a gas machine outright — real cutting power, a proper drive system, and a battery that finishes the job.
Best for flat lawns under a third of an acre with tight corners
- 40V 4.0Ah battery and charger included
- 16-inch deck turns tightly around beds
- Push-button start, no pull cord
- Battery shared with 75+ Greenworks tools
Why buy it: the long-running value benchmark in cordless mowing — light, quiet, and cheap enough that the modest deck width stops mattering.
Best for third-acre yards with a slope, on a tighter budget than the EGO
- 40V 6.0Ah battery and charger included
- 20-inch deck, brushless motor
- Variable-speed self-propelled drive
- Folds flat and stores vertically
Why buy it: genuine self-propelled drive and a 6.0Ah pack for meaningfully less money than the premium 21-inch machines.
Best for half-acre-plus lawns where one battery will not finish the cut
- Two 4.0Ah 60V batteries plus rapid charger
- 21-inch deck with 4-in-1 cutting modes
- LED headlights and IPX4 water resistance
- Rear-wheel self-propelled drive
Why buy it: the two-battery kit is the honest answer to the biggest complaint about electric mowers — running out of charge mid-lawn.
Best for small city lots and gardeners who struggle with a heavy machine
- Two 20V batteries pair to run 40V
- Under 30 lb — easiest here to lift
- IntelliCut adds torque only when needed
- Single-lever 6-position height change
Why buy it: the mower recommended most often in reviews written by older gardeners — it barely feels like pushing a mower at all.
Best for tiny yards within reach of an outlet, and second homes
- 12-amp motor, unlimited runtime
- 14-inch deck, 3-position height control
- 10.6-gallon collection bag
- Handle collapses flat for storage
Why buy it: the cheapest genuinely well-reviewed electric mower — no battery to degrade, no charge to wait on, just an extension cord.
Quick Comparison
| Product | Best for | Rating | Price | Buy |
|---|---|---|---|---|
| EGO Power+ LM2135SP 21″ Select Cut Self-Propelled | Best Overall | 4.41,547 ratings | ~$650 | Price |
| Greenworks 40V 16″ Cordless Push Mower (25322) | Best Value | 4.212,082 ratings | ~$260 | Price |
| RYOBI 40V 20″ Brushless Self-Propelled Mower | Best Self-Propelled Under $500 | 4.1109 ratings | ~$500 | Price |
| Greenworks 60V 21″ Brushless Self-Propelled 4-in-1 | Best Big-Yard Electric | 4.5593 ratings | ~$600 | Price |
| WORX WG779 40V 14″ Cordless Mower | Best Lightweight Pick | 4.17,123 ratings | ~$300 | Price |
| Sun Joe MJ401E 14″ Corded Electric Mower | Best Budget Corded | 4.23,712 ratings | ~$130 | Price |
The Mowers, Reviewed
1. EGO Power+ LM2135SP — Best Overall
Covered above. Owners praise: gas-equivalent cutting power, excellent dial-controlled drive, a battery that genuinely finishes a quarter-acre, vertical storage. Owners complain about: weight, bag clogging in wet grass, price, and a handle-fold latch a minority found stiff in cold weather. Best fit is a quarter to half an acre, particularly with any slope.
2. Greenworks 40V 16″ (25322) — Best Value
This mower has been a fixture in cordless rankings for over a decade and the review base reflects it, spanning many seasons of ownership. The 16-inch deck is the whole story: nimble around beds and trees, light to push, and inexpensive, but it means noticeably more passes on anything approaching a third of an acre. Owners praise: quiet running, instant start, low weight, and a battery platform shared across a wide tool range. Owners complain about: a plastic deck that feels light, a small grass bag needing frequent emptying, and bogging in tall or damp growth — several reviewers note the lesson is to mow before the lawn gets away from you.
3. RYOBI 40V 20″ Brushless Self-Propelled — Best Self-Propelled Under $500
The most sensible middle ground in cordless mowing right now. You get a brushless motor, a 20-inch deck and a real variable-speed drive at a price well below the premium 21-inch machines, and the 6.0Ah pack is a serious battery rather than a token one. Owners praise: the drive system, quiet operation, vertical storage, and the breadth of the wider 40V tool line. Owners complain about: a heavier feel than the spec sheet suggests when the drive is disengaged, height-adjustment levers that stiffen with packed clippings, and a bagging clip some found awkward to seat properly.
4. Greenworks 60V 21″ Self-Propelled 4-in-1 — Best Big-Yard Electric
The kit that answers the runtime complaint honestly rather than optimistically. Two 4.0Ah 60V packs plus a rapid charger means you hot-swap at the halfway point instead of stopping, which is what makes half an acre realistic on batteries. The 4-in-1 deck adds a rear-discharge mode most rivals skip. Owners praise: the two-battery kit, LED headlights for evening mowing, strong cut in thick grass, and IPX4 water resistance for damp conditions. Owners complain about: bulk and weight, a charger that runs hot on back-to-back charges, and assembly instructions several reviewers called poor.
5. WORX WG779 40V 14″ — Best Lightweight Pick
The lightest powered mower in this field by a clear margin, and the one that surfaces most often in reviews from older gardeners and small-lot owners. Two 20V packs run in series to make 40V, so the batteries also fit the wider WORX 20V range. Owners praise: genuinely easy to push and lift, simple single-lever height change, tidy storage footprint. Owners complain about: a 14-inch deck that makes a mid-size lawn slow going, modest runtime around 30 to 40 minutes, and a mulching plug that is fiddly to swap.
6. Sun Joe MJ401E — Best Budget Corded
One of the highest review counts of any mower on Amazon, for the obvious reason: it costs about as much as a decent pair of loppers and it cuts grass. Corded means unlimited runtime and no pack to degrade, at the price of managing 100 feet of cable. Owners praise: the price, nothing to maintain, very light, folds flat. Owners complain about: the cord being a real nuisance around trees and beds, the small 14-inch deck, height adjustment that requires moving the wheels, and plastic construction that feels its price.
What Owners Actually Complain About
Read the one- and two-star reviews across all six and the same five gripes dominate, none of them brand-specific. Runtime shortfall is far and away number one — buyers who sized a battery to their lawn on paper and discovered that tall spring growth roughly halves the figure. Bagging wet grass is second: every bagging mower here clogs if the grass is damp, and owners who mulch instead report a fraction of the problems. Height-adjustment stiffness shows up on the cheaper models, where levers seize once grass debris packs into the mechanism. Battery degradation in year three appears in long-term reviews, usually from owners who left packs on a charger or in a freezing garage all winter. And the most self-inflicted one: a dull blade misread as a weak motor. A striking number of angry reviews about a mower losing power are followed by an edited five-star update after the owner fitted a sharp blade.
How to Choose an Electric Mower
Work backwards from the yard, not the spec sheet. Under 1/8 acre and flat: the Sun Joe corded or the WORX 14-inch will be faster to use and easier to store than anything larger. Up to a third of an acre: the Greenworks 16-inch is the value answer and the point most buyers overspend past. A quarter to half an acre, or any real slope: buy 20 to 21 inches with self-propelled drive — the EGO if budget allows, the RYOBI if it does not. Half an acre or more: buy a two-battery kit like the Greenworks 60V, or accept that you will be mowing in two sessions.
Two purchases pay for themselves immediately. A second battery costs less than the annoyance of stopping halfway through a cut, and a spare blade means a sharp one is always fitted while the other is being sharpened. Then set the deck higher than instinct suggests and follow the one-third rule — never removing more than a third of the blade at once — because most lawn problems trace back to cutting too short, and Penn State Extension recommends keeping most lawns at 2 inches or above; the specifics are in our mowing height by grass type guide.
How We Rank Electric Mowers
We never buy or physically handle the products on this site. We read the review record at scale instead, and for this guide we weighted four things. Cutting performance under load — what owners report when grass is tall, damp or seedy, which is where cheap cordless mowers separate from good ones. Real runtime — how much lawn a battery genuinely covers according to owners, not the marketing figure. Durability past season two — reviews left a year or more after purchase count far more heavily, because that is when battery fade, drive-belt wear and deck corrosion appear. Ease of living with it — weight, folding storage, height adjustment, and whether emptying the bag is a chore. Ratings and prices move; the pattern of complaints barely does, and that is what we weight hardest.
The Verdict
For the best balance of cutting power, drive quality and battery life across a typical American yard, the EGO Power+ LM2135SP is the electric mower the owner-review record supports most strongly. Small-lot owners should take the Greenworks 40V 16-inch and spend the difference on seed and feed. Bigger yards should buy the two-battery Greenworks 60V rather than hoping one pack stretches.
Next: see how these compare with fuel in gas vs electric lawn mowers, weigh up the full cordless field in best battery powered lawn mower, or pair your mower with a feeding plan from best lawn fertilizer.