Greenworks PRO 21-Inch 80V Cordless Lawn Mower, 4.0Ah Battery, GLM801602

1 / 7

Product guide

Greenworks PRO 21-Inch 80V Cordless Lawn Mower, 4.0Ah Battery, GLM801602

Greenworks PRO 21-Inch cordless lawn mower GLM801602 is a battery-powered push mower with a 21-inch cutting width and a listed 4.0Ah battery. Its 3-in-1 deck supports mulching, bagging or side discharge, while seven cutting-height positions provide adjustment for different lawns.

At a glance

The 21-inch cutting deck is described as steel and intended to cover larger lawn areas efficiently.
Smart Cut Technology is claimed to adjust blade speed automatically when more power is needed.
Choose among mulching, bagging and side discharge.
Folding handles are intended to reduce storage space, and the handle positions are adjustable.

Price

$538.99Save 30%

Reference price: ~~$769.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Greenworks 80V 16″ Brushless Cordless String Trimmer (Tool Only) – Variable Speed Trigger, .080 Dual Line Bump Feed & Lightwe

$172.06

Greenworks PRO 80V 20-Inch Brushless Cordless Snow Blower Thrower, 10" Clearing Depth&Max 25ft Throw Distance, Electric Snow

$399.99

Pros and cons

Pros

Three cutting-discharge choices add flexibility for handling clippings.
Seven cutting-height positions allow adjustment across a wide listed height range.
The listing says the mower accepts Greenworks 80V batteries, which may suit owners of compatible batteries.

Cons

This is a push mower, so it does not provide self-propelled assistance.

Technical specifications

16 specifications

Identity
Brand	Greenworks
Model	2501202

Power and battery
Power configuration	Battery Powered
Battery capacity	4.0 AH
Battery life listed	60 minutes
Battery runtime claim	Up to 45 minutes of runtime

Cutting
Cutting width	21 inches
Cutting height range	1.38 inches to 20.4 inches
Cutting-height positions	7
Cutting options	mulching, bagging or side discharge
Motor	brushless motor

Dimensions and installation
Dimensions listed	82.04 x 46.23 x 51.82 cm; 33.61 kg
Weight listed	33.61 kg

Materials and protection
Material listed	Alloy Steel

Storage and operation
Drive type	push mower
Storage feature	folding handles for compact vertical storage

What to know before buying

Listing details to confirm

The listing gives different battery-duration figures: 60 minutes in the details and up to 45 minutes in the feature claim. Treat runtime as conditional rather than guaranteed. It also lists 20.4 inches as the maximum cutting height despite giving a 1.38-to-20.4-inch range, and calls the mower lightweight while listing a weight of 33.61 kg. Confirm the selected listing's configuration and details before buying.

What’s in the box

Included

Lawn mower
Side-discharge chute
Rear-discharge bag
1 80V 4.0AH battery
Power adapter
Owner's manual

Who is it for?

A good fit for

Buyers who want a cordless push mower with a 21-inch cutting width and several clipping-management options.
Owners of compatible Greenworks 80V batteries who want a mower that accepts them.

Less suited to

Buyers who need a self-propelled mower or want to avoid pushing a listed 33.61 kg machine.

Greenworks PRO 21-Inch 80V Cordless Lawn Mower, 4.0Ah Battery, GLM801602 · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 1,870 ratings

5 stars80%80%
4 stars11%11%
3 stars3%3%
2 stars1%1%
1 star5%5%

Customer feedback highlights positive impressions of operation, battery life, handling, ease of use, power and noise level. Some customers reportedly find the battery lasts for two cuts, but that is an individual reported experience rather than a runtime guarantee. Opinions on grass cutting are mixed, a useful caveat for buyers weighing the mower's seven height positions and Smart Cut claims against their own lawn conditions.

Positive themes

Customer feedback describes operation and ease of use positively.
Customers reportedly appreciate the battery, handling, power and noise level.

Mixed feedback

Opinions about grass-cutting performance are mixed.

Frequently asked questions

Does this mower include a battery and charger?

The listing title names a 4.0Ah battery as included, and the stated contents list includes one 80V 4.0AH battery and a charger.

What cutting options are available?

The listing describes a 3-in-1 deck for mulching, bagging or side discharge. The stated contents list names a side-discharge chute and rear-discharge bag.

How long does the battery run?

The details list 60 minutes, while a feature claim says up to 45 minutes. Actual runtime is not established by these listing claims, so do not treat either figure as guaranteed.

Is it self-propelled?

No. The supplied feature description calls it a push mower.