Battery vs corded electric mowers

The corded mower is the option nobody recommends any more, and on a genuinely small lawn it quietly wins several arguments outright. It is a third of the weight, it never stops for a charge, and there is no battery to degrade. What it cannot do is go anywhere the lead does not reach.

The short answer

Weight per inch of cut

Comparing raw weights is unfair to the wider deck, so here is the comparable version.

That is not an abstraction. On a lawn with steps, raised beds or a gate to lift over, twenty-three pounds and fifty-seven pounds are two different experiences.

The three, on published figures

The cord is the whole argument against

A corded mower works inside a circle centered on the outlet. Everything else about the comparison is secondary to whether your lawn fits inside it.

And the cord is not only a range limit. Mowing round a live lead is a technique — you work away from the outlet, in stripes parallel to the cord, and you never reverse over it. Anyone who has cut through one knows the argument.

Sun Joe MJ401E — the corded case, made properly

Twelve amps, 3,500 RPM, a 14 inch steel deck, three cutting heights from 1.18 to 2.52 inches, a 10.6 gallon hard-top rear bag and 23.1 lb on the scale. Two-year warranty.

The 14 inch deck is not only a limitation. It turns inside obstacles a 21 inch deck has to go round, which on a small lot broken up by beds and a path is a real advantage.

What you give up is clear and worth stating: reach, a cut height above 2.52 inches, seven or eight height positions instead of three, and any mulching mode at all.

#ad Check the Sun Joe MJ401E 14" 12-Amp Corded Electric Lawn Mower price on Amazon — how we're funded.

Greenworks LM2054 — the lightest cordless answer

If the lawn is past the cord but you still want light, this is the closest cordless equivalent: 57.5 lb, a 20 inch 4-in-1 deck, 1.2 to 3.6 inches over seven positions, and 160Wh of included battery rated for up to a third of an acre.

It costs you 34 lb against the corded mower and buys you a deck six inches wider, four more height positions, a mulching mode and the freedom to walk anywhere.

#ad Check the Greenworks 40V 20" Push LM2054 price on Amazon — how we're funded.

EGO LM2135SP — where cordless stops being a compromise

Four hundred and twenty watt-hours, a 21 inch deck, 1 to 4 inches over eight positions, self-propel from 0.9 to 3.1 MPH and a five-year tool warranty. This is the other end of the argument entirely — not a corded mower with a battery bolted on, but a machine that does things no corded mower can.

The 1 to 4 inch range is the specification a corded mower cannot match at any price, and it is what makes this the pick for a warm-season lawn. See mowers for warm-season grass.

#ad Check the EGO Power+ 21" Select Cut LM2135SP price on Amazon — how we're funded.

How to decide in two questions

1. Does the whole lawn sit inside one extension lead of an outlet? If not, the comparison is over — buy cordless.
2. Do you mow above 2.5 inches? If yes, the corded mower cannot reach it.

Two yeses and one no mean cordless. Two noes mean the corded mower is the cheaper, lighter, never-flat option that most buying guides skip. The wider argument across every tool class is in corded vs cordless.

What we cannot tell you

We have not mowed with the Sun Joe. It publishes no recommended lawn size, no sound rating and no mulching capability, and EGO publishes no weight for the LM2135SP, so the weight comparison above runs against the Greenworks only. Nobody publishes a battery replacement-cost figure, which is the largest real difference in long-run ownership and the one we would most like to quantify.