Greenworks 40V 21" Cordless Battery Self-Propelled Lawn Mower: 5.0 Ah USB Battery and Charger, LM2104S
Push / Walk-Behind mower · Model 2515602 · Residential-duty · Battery
Discontinued. Greenworks no longer lists the 40V 21 in Cordless Battery Self-Propelled Lawn Mower; its page came down around October 2026. These specs stay here because the model still turns up used, and the figures below are the last ones Greenworks published. Any price shown is that last list price, not a current one.
Greenworks doesn’t publish a list price for this model — it’s dealer quote only. The Greenworks product page is the place to start.
The Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower is a residential-grade battery walk-behind mower, a quiet, low-maintenance choice for smaller yards, with a 21-inch deck and a 40 V battery. It weighs 83 lb (37.6 kg).
Also sold as: 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Standard) · 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Standard) · 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Standard) · 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Kit (battery & charger included)) · 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Kit (battery & charger included)) · 40V 21 in Cordless Battery Self-Propelled Lawn Mower (Standard)
At a glance
Compare similar mowers See how this mower compares with machines of a similar size and purpose.
Chosen by stated rules, not opinion: same class, a deck within 2 in of this one, the same kind of power and a compatible duty class, then the closest power, weight and price, with other makers preferred. Figures are the manufacturers’ published ones; nothing is estimated.
Engine
| Power Source | battery |
|---|---|
| Fuel Type | Battery / Electric |
Electrical
| Voltage | 40 V |
|---|
Deck
| Cutting Width | 21 in (533 mm) |
|---|---|
| Cut Positions | 7 |
Drive
| Drive System | Rear-wheel-drive Self-propelled |
|---|
Dimensions
| Weight | 83 lbs (37.6 kg) |
|---|
General
| Warranty | 3 yr |
|---|
Similar models
Other push / walk-behind mowers with comparable specs — including other brands — that buyers cross-shop with the 40V 21 in Cordless Battery Self-Propelled Lawn Mower.
Specs verified against the manufacturer spec sheet on Jun 6, 2026 — greenworkstools.com.
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Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
What the specs work out to
Figures MowerFacts computes from Greenworks’s own numbers — not published by the manufacturer.
Gate & trailer fit
- 32 in gateFits
- 36 in gateFits
- 48 in gateFits
Needs at least 27 in of clearance (estimated).
Fit uses the deck width plus 6 in for the discharge chute, because Greenworks doesn't publish an overall width — measure before buying if a gate is tight.
Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower questions
What size deck is on the Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower?
The Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower has a 21-inch (533 mm) cutting deck.
How much does the Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower weigh?
The Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower weighs 83 lb (37.6 kg) as specified by Greenworks.
How much does the Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower cost?
Greenworks doesn't publish a list price for the Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower — it's sold on a dealer quote. MowerFacts records prices only where the manufacturer publishes them.
What is the Greenworks 40V 21 in Cordless Battery Self-Propelled Lawn Mower built for?
Residential-duty push / walk-behind mower. Built for home-lawn use.
Source: Greenworks (manufacturer) · archived copy