Pickly

Garden & Outdoor

Best Electric Self-Propelled Lawn Mowers 2026: 4 Compared

WriterPickly Editorial

Updated 2026-10-20

SourcedLast reviewed 2026-10-20AI-drafted desk research based on public specs, manufacturer data and independent reviews — not hands-on tested

A mower that pushes itself and never needs fuel sounds like a small luxury, until you face a sloping half-acre on a hot Saturday. Then the question stops being motor size and becomes the battery: how long it lasts, how fast it refills, and whether it fits the tools you already own.

Quick answer

The EGO LM2156SP is the pick for most lawns: a 21-inch self-propelled brushless mower on a 56V 10Ah battery, listed at about 75 minutes of runtime. The Greenworks Pro 80V is the one to choose if fast recharging matters (about 30 minutes, per our catalog), while the Ryobi 40V HP and DeWalt 2x20V MAX make the most sense if you already own those batteries.

📋How we compared

We did not test these mowers ourselves. A fair test needs the same lawn, grass height and moisture, and the same battery state for all four, which we cannot run. This comparison is built from the product descriptions in our catalog (voltage, claimed runtime, charge time, drive type) and general knowledge of each battery platform. Runtimes and charge times are manufacturer claims and change with grass, slope and mowing mode. Prices move often, so check the retailer. Features such as self-propelled drive differ by exact model number; confirm them on the listing before you buy.

★ Best Pick

🏆 Best overall: The EGO LM2156SP is a 21-inch self-propelled mower with a brushless motor, steel deck and a 56V 10Ah battery, listed at about 75 minutes of runtime. It has the longest claimed runtime here and pairs with EGO's wider 56V range of outdoor tools.

Top picks ↓
  1. 1EGO LM2156SP 21" Self-Propelled Mower
    EGO LM2156SP 21" Self-Propelled Mower
    🏆 Best overall
    $700〜$900Reference price
  2. 2Ryobi 40V HP Brushless Mower
    Ryobi 40V HP Brushless Mower
    🔋 Best for Ryobi owners
    $400〜$550Reference price
  3. 3Greenworks Pro 80V 21" Mower
    Greenworks Pro 80V 21" Mower
    ⚡ Best fast charging
    $729.89Price as of 2026-10-23
  4. 4DeWalt 2x20V MAX 21" Mower
    DeWalt 2x20V MAX 21" Mower
    🔧 Best for DeWalt owners
    $500〜$700Reference price

1★ Best Pick🏆 Best overallEGO LM2156SP 21" Self-Propelled Mower

EGO LM2156SP 21" Self-Propelled Mower

EGO sells several mowers with similar names; confirm the LM2156SP model and that the battery and charger are included.

The EGO LM2156SP is a 21-inch self-propelled mower with a brushless motor, steel deck and a 56V 10Ah battery, listed at about 75 minutes of runtime. It has the longest claimed runtime here and pairs with EGO's wider 56V range of outdoor tools. It is also the most expensive of the four by catalog price range.

Pros

  • ✓Longest claimed runtime of the group
  • ✓Self-propelled drive
  • ✓Brushless motor and steel deck

Cons

  • ✗Highest price range in this comparison

2🔋 Best for Ryobi ownersRyobi 40V HP Brushless Mower

Ryobi 40V HP Brushless Mower

Kits and bare tools are listed separately; check whether a battery and charger are included.

The Ryobi 40V HP brushless mower pairs with Ryobi's 40V tools and is listed at about 60 minutes of runtime with a side-discharge chute. If you already own 40V batteries, it adds a mower without a new platform. Check the listing to see whether the model you want includes drive.

Pros

  • ✓Shares batteries with Ryobi 40V tools
  • ✓About 60 minutes of claimed runtime
  • ✓Brushless HP motor

Cons

  • ✗Drive type depends on the exact model

3⚡ Best fast chargingGreenworks Pro 80V 21" Mower

Greenworks Pro 80V 21" Mower

Greenworks sells several 80V mowers; check the exact model and whether drive is included.

The Greenworks Pro 80V 21-inch mower stands out for its recharge time of about 30 minutes, the fastest in the group, and is described as cutting strongly in wet grass. Claimed runtime is about 50 minutes, the shortest here, so the quick recharge does the work of a second battery.

Pros

  • ✓Fastest listed recharge, about 30 minutes
  • ✓Strong cut in damp grass
  • ✓80V platform

Cons

  • ✗Shortest claimed runtime of the four

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4🔧 Best for DeWalt ownersDeWalt 2x20V MAX 21" Mower

DeWalt 2x20V MAX 21" Mower

Kits include different battery counts; the mower needs two 20V MAX packs.

The DeWalt 2x20V MAX 21-inch mower runs on two standard 20V MAX batteries, so it makes the most sense if you already have a drawer of DeWalt packs. The trade-off is that you need two packs in the mower, and runtime depends on the capacity of the packs you use.

Pros

  • ✓Uses standard DeWalt 20V MAX batteries
  • ✓No new battery system if you own DeWalt tools

Cons

  • ✗Needs two batteries
  • ✗Runtime varies with the packs

Battery first: a cordless mower is a battery with wheels

Most of the money in a cordless mower is the battery, and batteries do not cross brands. EGO runs on 56V, Ryobi on 40V and Greenworks on 80V; do not assume packs from different brands are interchangeable. DeWalt takes a different route, using two standard 20V MAX packs from its tool line.

That makes the choice partly about what else you will power. A mower that shares its battery with a trimmer and a blower means one charger and spare packs that work everywhere.

What self-propelled drive changes

A drive system moves the mower forward so you steer instead of push. It matters most on slopes, in thick or damp grass, and on larger lawns where pushing adds up over an hour.

In our catalog the EGO LM2156SP is explicitly self-propelled. For the Ryobi, Greenworks and DeWalt, drive type depends on the exact model, so check the listing for a self-propelled label rather than assuming.

Runtime versus charge time

The catalog lists claimed runtimes of about 75 minutes for the EGO, 60 for the Ryobi and 50 for the Greenworks. The Greenworks balances its shorter runtime with the fastest recharge in the group, about 30 minutes.

If your lawn takes longer than the claimed runtime, or you mow in dense grass that drains packs faster, a second battery matters more than a few minutes of extra claimed runtime. Real runtime is usually lower than the figure on the box.

Frequently asked questions

Can a cordless mower handle a large lawn?▼
Often yes, if the runtime covers your lawn or you keep a second charged battery. Claimed runtimes here range from about 50 to 75 minutes, and real figures depend on grass height, moisture and slope. Cut taller or wetter grass in two passes or with a spare pack on hand.
Do I really need a self-propelled mower?▼
It is not essential on small, flat lawns. On slopes, thick grass or a lawn that takes an hour or more, a drive system saves effort. Check the exact model, because not every mower in a product line has drive.
Can I use batteries I already own?▼
Only within the same brand and voltage platform. Ryobi 40V, EGO 56V and Greenworks 80V each use their own packs, and DeWalt uses two 20V MAX packs. Confirm that your battery, and the charger, are compatible with the exact model.

Check the details of the products in this article

Prices change. Check the retailer for the current price.

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