Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and 60 Minute Rapid Charger Included

Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower (75+ Compatible Tools), 4.0Ah Battery and 60 Minute Rapid Charger Included

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Greenworks | Battery Powered Self-Propelled Lawn Mowers

AVERAGE
74
Winnowl Index

Winnowl Verdict

The Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower and its AVERAGE (74) Winnowl Index center on the Strong Brand Strength of Greenworks. The numbers show Strong Brand Strength from a manufacturer with Average Brand Trust and Average Brand Reliability, balancing out the Average Performance and Fair Value. With a price of $509.99 sitting at the $557.27 average, the Performance is a combination of data points; for instance, the 80 V Battery Voltage yields you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down despite the 45 minutes Total Run Time resulting in you will likely be able to mow a typical front and back yard on one charge without having to stop to find a charger. With Strong Brand Strength that is 6% above the average brand, this is a Safe Bet.
Market Value Index
Fair
$509.99
Overpriced Fair High Value

The $509.99 price sits right at the class average of $557.27 and results in the Fair Value rating.

Performance Rating
Average
Strengths
Neutrals
Weaknesses

The Average Performance rating is based on opposing data points; with the Battery Voltage of 80 V you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down, but with the Total Run Time of 45 minutes 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

Greenworks has Strong Brand Strength, meaning Average Brand Reliability and Average Brand Trust may reduce the post purchase risk.

Available At
Amazon
$509.99 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.
Cutting Width 21 inches
Average 2% worse Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates.
Charging Time 75 mins
Average 9% better Standard residential charge rate. Balanced for typical weekly maintenance schedules.
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: #22 out of 40.
  • Performance Rank: #28 out of 40.
  • Winnowl Quadrant: Budget

Strengths

  • 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.
  • A Charging Time of mins is about average 82.65 mins but below the fastest at 45mins.

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
74
Fair Average Strong $509.99 45 minutes
80 V
4 Ah
21 inches
4 Years
75 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