Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (LED Headlight + Aluminum Handles), 4.0Ah Battery and Rapid Charger Included (75+ Compatible Tools)

Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (LED Headlight + Aluminum Handles), 4.0Ah Battery and Rapid Charger Included (75+ Compatible Tools)

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Greenworks | Battery Powered Self-Propelled Lawn Mowers

AVERAGE
72
Winnowl Index

Winnowl Verdict

While it registers an AVERAGE (72) Winnowl Index, the Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower is built for the specialist who wants Strong Performance without compromise and is willing to pay a premium to get it. This rating is anchored by a Mediocre Value at $599.99, signaling a product designed for users who are willing to pay for peace of mind. While the cost is significant, it secures access to top-tier Strong Brand Strength and Strong Performance that budget-oriented options simply can't match. You’ll find that the Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (LED Headlight + Aluminum Handles), 4.0Ah Battery and Rapid Charger Included (75+ Compatible Tools) punches 3% below the class average, delivering a Battery Voltage of 80 V for you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down; however, accessing that extra power requires a financial commitment 8% higher than the typical market rate. For the user who demands excellence, the Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower delivers the peace of mind that comes with Strong Brand Strength and the raw power of Strong Performance, assuming you are ready to invest in the premium price tag that accompanies such a pedigree.
Market Value Index
Mediocre
$599.99
Overpriced Fair High Value

Our audit highlights Mediocre Value, as the utility you get for a $599.99 investment is 10% behind the class average.

Performance Rating
Strong
Strengths
Neutrals
Weaknesses

Delivering Strong Performance that is 3% below the average, this unit hits 80 V Battery Voltage so that you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down, even if the 45 minutes Total Run Time means you will likely be able to mow a typical front and back yard on one charge without having to stop to find a charger.

Brand Strength
Strong
Trust
Reliability
Customer Service

The Average Brand Trust and Average Brand Reliability drive the Strong Brand Strength from Greenworks.

Available At
Amazon
$599.99 View Deal

The Winnowl Lab Report

Specification Value Rating Vs. Average Winnowl Insight
Total Run Time 45 minutes
Mediocre 19% worse Standard suburban endurance. Rated for roughly 1/4 acre under normal conditions.
Battery Voltage 80 V
Strong 32% better High-torque power plant. Capable of maintaining high RPMs through dense turf and varying terrain.
Battery Capacity 4 Ah
Mediocre 27% worse Standard suburban capacity. Balanced for roughly 45-60 minutes of runtime.
Number of Batteries 1 count
Average 39% worse Standard single-battery kit. Ideal for standard suburban lots that can be finished in one session.
Charging Time 60 mins
Average 27% better Standard residential charge rate. Balanced for typical weekly maintenance schedules.
Cutting Width 21 inches
Average 2% worse Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates.
Warranty 4 Years
Average 4% better Extended service commitment. Reflects high manufacturer confidence in the motor and battery electronics.
Cutting Height Adjustment 7 settings
Average 3% better High-precision adjustment rack. Allows for fine-tuning based on grass species and regional moisture levels.

Ranking Factors

Insights

  • Value Rank: #20 out of 40.
  • Performance Rank: #24 out of 40.
  • Winnowl Quadrant: Budget

Strengths

  • At mins, the Charging Time is faster than the class average (82.65 mins) but not as fast as some products at (45 mins).
  • V provides high-end power delivery, placing it in the top 10% for voltage in this class.

Neutral

  • A Cutting Width of inches is about average (21.40 inches) but narrower than the widest in class at 26 inches.
  • A Warranty of Years is about average 3.83 Years but below best in class at 5 Years.
  • A Total Run Time of minutes is about average (55.78 minutes) but not as long as the class max of 90 minutes.
  • A Cutting Height Adjustment of settings is about average (6.80 settings) but not as many as the class max of 10 settings.

Weaknesses

  • Ah is among the lowest capacities in class, ranking in the bottom 10%.
  • At only battery, this is in the bottom 10% for included power components.

Comparison

Name Winnowl Index Value Performance Brand Price Total Run Time Battery Voltage Battery Capacity Cutting Width Warranty Charging Time Number of Batteries Cutting Height Adjustment
Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower
AVERAGE
72
Mediocre Strong Strong $599.99 45 minutes
80 V
4 Ah
21 inches
4 Years
60 mins
1 count
7 settings
Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower
ELITE
91
Strong Strong Exceptional $599.00 75 minutes
80 V
5 Ah
21 inches
5 Years
60 mins
2 count
7 settings
Greenworks 82V 25” Battery Powered Lawn Mower
STRONG
85
Fair Strong Strong $699.99 90 minutes
82 V
4 Ah
25 inches
4 Years
60 mins
2 count
7 settings
PowerSmart 80V MAX 21" Cordless Lawn Mower
AVERAGE
78
Exceptional Strong Average $329.00 60 minutes
80 V
6 Ah
21 inches
2 Years
90 mins
1 count
5 settings