Greenworks 40V 21" Cordless Battery Self-Propelled Lawn Mower: 5.0 Ah USB Batteries and Charger, LM2154S
Push / Walk-Behind mower · Model 2515402 · Residential-duty · Battery
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 67.2 lb (30.5 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 (Kit (battery & charger included))
At a glance
Engine
| Power Source | battery |
|---|---|
| Fuel Type | Battery / Electric |
Electrical
| Voltage | 40 V |
|---|
Deck
| Cutting Width | 21 in (533 mm) |
|---|---|
| Min Cut Height | 1.4 in (35 mm) |
| Max Cut Height | 4.1 in (103 mm) |
| Deck Material | Steel Stamped |
| Cut Positions | 7 |
Drive
| Drive Type | self-propelled |
|---|
Dimensions
| Weight | 67 lbs (30.5 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.
Independent reference database. Specs compiled from manufacturer sources and normalized for comparison; verify with the manufacturer or dealer before purchase.
Source: Greenworks (manufacturer) · archived copy