Best cordless lawn mowers for small and medium yards
Updated November 5, 2026
Battery-powered mowers are quiet, start instantly and need no gas or oil changes. For small and medium yards they're now a practical replacement for gas. Here's how to size one for your lawn and current listings to compare.
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Match the battery to your yard
Run time depends on battery capacity (amp-hours), grass height and whether the mower is self-propelled. Many 40V to 80V mowers with a 4Ah to 6Ah battery can handle roughly a quarter to half an acre per charge; a second battery extends that.
Batteries are the most expensive part, so check whether they work with the same brand's trimmers and blowers.
Deck size and self-propelled
Decks of about 16 to 18 inches suit small yards and tight storage. 20 to 21 inches cuts larger lawns faster. Self-propelled drive is worth it on slopes or larger yards but uses more battery.
Storage and extras
Many cordless mowers fold upright to store against a wall. Check for mulching, bagging and side discharge options, and how easy the height adjustment is.
Before you buy
- Battery capacity that covers your yard size
- Deck width for your lawn and storage space
- Self-propelled for slopes or larger yards
- Shares batteries with your other yard tools
Compare on eBay
These links open eBay search results with the price range already set, including new, open-box and used options. eBay sellers set the listings, prices and condition, so check the seller and the item details before you buy.
Affiliate links: COMPZA may earn a commission from qualifying eBay purchases at no extra cost to you.
Questions
How big a yard can a battery mower handle?
Many handle up to about half an acre per charge with a large battery; larger yards may need a spare battery or a riding mower.
Do cordless mowers cut as well as gas?
For most residential lawns, yes. Very tall, thick or wet grass can still slow them down and shorten run time.
How long do mower batteries last?
Lithium-ion batteries typically last several seasons. Store them indoors in winter to extend their life.
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