Greenworks 40V 21" Cordless Battery Brushless Push Lawn Mower: 5.0 Ah USB Battery and Charger, LM2104
Push / Walk-Behind mower · Model 2515502 · Residential-duty · Battery
The Greenworks 40V 21 in Cordless Battery Brushless Push 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 58 lb (26.3 kg).
Also sold as: 40V 21 in Cordless Battery Brushless Push Lawn Mower (Kit (battery & charger included))
At a glance
Engine
| Power Source | battery |
|---|---|
| Fuel Type | Battery / Electric |
Electrical
| Voltage | 40 V |
|---|---|
| Battery Capacity | 5 Ah |
Deck
| Cutting Width | 21 in (533 mm) |
|---|---|
| Min Cut Height | 1.4 in (36 mm) |
| Max Cut Height | 3.7 in (94 mm) |
| Cut Positions | 7 |
| Discharge | 3-in-1 |
Drive
| Drive Type | push |
|---|
Dimensions
| Weight | 58 lbs (26.3 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 Brushless Push Lawn Mower.
Specs verified against the manufacturer spec sheet on Jun 8, 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