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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AVERAGE
76
Winnowl Index
Winnowl Verdict
Clocking in with an AVERAGE (76) Winnowl Index, the Greenworks 80V 21" Brushless Cordless (Self-Propelled) Lawn Mower is a safe-bet purchase; it prioritizes Exceptional Value and Strong Brand Strength over performance. At its core, this score reflects Strong Brand Strength and Exceptional Value from Greenworks, prioritizing a trustworthy ownership experience alongside Average Performance. By coming in at $479.99, the cost is 27% less than the average; this allows it to provide Average Brand Trust and Average Brand Reliability alongside Battery Voltage of 80 V that is above the class average, suggesting you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down. It offsets Average performance by offering 36% more utility for your money and the security of Strong Brand Strength.
Market Value Index
Exceptional
$479.99
Overpriced
Fair
High Value
The Exceptional Value is driven by a price of $479.99, which outpaces the $658.14 average by delivering 36% more performance for every dollar spent.
Performance Rating
Average
The Average Performance rating comes from a balance of metrics; for instance, the Battery Voltage of 80 V suggests you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down, yet with the 45 minutes Total Run Time 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
Greenworks maintains Strong Brand Strength, which is 8% above the average and driven by Average Brand Reliability and Average Brand Trust.
Available At
$479.99
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Battery Voltage | 80 V | Strong | 44% better | High-torque power plant. Capable of maintaining high RPMs through dense turf and varying terrain. |
| Total Run Time | 45 minutes | Average | 22% worse | Standard suburban endurance. Rated for roughly 1/4 acre under normal conditions. |
| Battery Capacity | 4 Ah | Mediocre | 32% worse | Standard suburban capacity. Balanced for roughly 45-60 minutes of runtime. |
| Number of Batteries | 1 count | Average | 41% worse | Standard single-battery kit. Ideal for standard suburban lots that can be finished in one session. |
| Charging Time | 60 mins | Average | 39% better | Standard residential charge rate. Balanced for typical weekly maintenance schedules. |
| Cutting Width | 21 inches | Average | Average | Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates. |
| Warranty | 4 Years | Average | 3% better | Extended service commitment. Reflects high manufacturer confidence in the motor and battery electronics. |
| Cutting Height Adjustment | 7 settings | Average | Average | High-precision adjustment rack. Allows for fine-tuning based on grass species and regional moisture levels. |
Ranking Factors
Insights
- Value Rank: #31 out of 75.
- Performance Rank: #39 out of 75.
- Winnowl Quadrant: Budget
Strengths
- At V, the Battery Voltage is higher than the class average (55.55 V) but does not reach the class maximum (84 V).
- At mins, the Charging Time is faster than the class average (98.21 mins) but not as fast as some products at (30 mins).
Neutral
- A Cutting Width of inches is about average (21.21 inches) but narrower than the widest in class at 26 inches.
- A Warranty of Years is about average 3.87 Years but below best in class at 5 Years.
- A Cutting Height Adjustment of settings is about average (7.01 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%.
- The minutes runtime is in the bottom 10%, significantly trailing the class leaders.
- 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
76
|
Exceptional | Average | Strong | $479.99 | 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 |
STRONG
88
|
Exceptional | Strong | Exceptional | $599.00 | 75 minutes | 80 V | 5 Ah | 21 inches | 5 Years | 60 mins | 2 count | 7 settings |
| EGO Power+ LM2156SP-2 Battery Powered Self-Propelled Lawn Mower |
STRONG
80
|
Weak | Strong | Strong | $1,399.00 | 150 minutes | 56 V | 10 Ah | 21 inches | 5 Years | 60 mins | 2 count | 7 settings |
| LiTHELi 18-Inch Brushless Self-Propelled Mower |
MEDIOCRE
68
|
Exceptional | Average | Average | $276.59 | 50 minutes | 40 V | 4 Ah | 18 inches | 5 Years | 120 mins | 2 count | 6 settings |
Rankings
