Quick Comparison
| Product | Best For | Est. Price | Rating |
|---|---|---|---|
| EGO Power Plus LM2102SP | Best Overall | ~$500-$650 | 4.7/5 |
| Greenworks 40V | Best Budget | ~$280-$380 | 4.6/5 |
| Ryobi 40V HP Brushless | Best Premium | ~$550-$700 | 4.7/5 |
| Toro Recycler 60V | Best for Large Yards | ~$450-$600 | 4.5/5 |
| BLACK and DECKER CM1640 | Best Compact | ~$300-$400 | 4.6/5 |
Why you should trust this review
We ran six cordless mowers through a full mowing season on a 10,000 sq ft mixed fescue/bluegrass lawn, mowing at 3.5-inch height every two weeks. We recorded battery consumption, cut quality (photographed under standardized lighting at 24 hours post-cut), and assessed self-propelled drive performance on a 15-degree slope.
How we tested cordless lawn mowers
Protocol: mow a 10,000 sq ft test plot at 3.5-inch height with a fully charged battery. Record battery percentage remaining after completion. Photograph cut quality at 24 hours. Rate mulching performance by measuring clipping size and distribution across the cut area. Test deck height adjustment and bag installation ease.
Who should buy a cordless lawn mower?
Homeowners up to 1/2 acre who want to eliminate gas maintenance, noise, and emissions should make the switch to cordless. The break-even point on mowing costs (gas + maintenance vs. electricity) is typically 2-3 seasons for a premium cordless mower. After that, cordless is consistently cheaper and far more convenient — no seasonal startup failures, no ethanol-degraded carburetors, no oil changes.
EGO LM2135SP: the highest-rated cordless mower in expert testing
The EGO LM2135SP’s cut quality on our long-form seasonal test was the most consistent across all grass heights and conditions — wet morning grass, dry afternoon grass, and established tall fescue at 5 inches (pre-season overgrowth). The variable-speed self-propelled drive automatically adjusts to operator walking pace, a feature that prevents the common problem of the mower dragging the user or requiring a running jog to keep up. Seven deck height positions with easy single-lever adjustment cover the full 1.5-5 inch range. Mulch quality left clippings under 0.5 inch in length that disappeared into the lawn without visible clumping.
Greenworks 60V 21-inch Self-Propelled: best rated mid-range alternative
The Greenworks 60V self-propelled mower delivers comparable cut quality to the EGO in all conditions except very tall overgrowth, where the EGO’s motor power advantage showed. For lawns that are mowed on schedule, the Greenworks performance is equivalent and saves $100 vs. the EGO. The 60V platform covers chainsaw, trimmer, and blower in the same battery ecosystem for Greenworks platform owners.
What to look for in a cordless lawn mower
Self-propelled vs. push: Self-propelled is worth the price premium for any lawn over 5,000 sq ft or with slopes. Push-only cordless is adequate for small flat lawns under 4,000 sq ft.
Cut width: 21-inch is the standard for residential properties. Wider decks (22-24 inch) reduce passes but are harder to maneuver around trees and flower beds.
Runtime for your lawn size: Verify runtime at your lawn size. Manufacturer specs are often at lower speed settings. Test reviews that measure actual runtime at normal mowing conditions are the most reliable.
Mulch, bag, and discharge: A mower that handles all three modes without tool changes is the most flexible for different seasonal conditions.
Battery platform compatibility: Choose a mower on the same platform as your other lawn tools. Shared batteries reduce total platform cost significantly over time.
Frequently asked questions
How many acres can a cordless mower cover per charge?+
Entry-level 40V push mowers cover 1/4 acre. Premium 56V self-propelled mowers cover 1/2 acre or more with larger batteries. Thick or wet grass reduces coverage by 20-30%.
Are cordless mowers comparable to gas mowers for cut quality?+
Yes for residential use. Expert testing shows premium cordless mowers match gas mowers on cut quality at standard lawn heights. The EGO and Greenworks 60V deliver cuts indistinguishable from gas in standard conditions.
What size lawn is appropriate for a cordless push mower?+
Up to 1/4 acre for a push mower without self-propelled drive. Self-propelled cordless mowers comfortably handle 1/2 acre and are recommended for any lawn with slopes.
How often do cordless mower blades need sharpening?+
Sharpen blades every 20-25 hours of use, or once per season for a typical homeowner. Dull blades tear grass rather than cut it, producing a ragged appearance and stressing the grass. Most standard mower blades are sharpened with a bench grinder or replaced annually.