Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower, 2 x 4Ah USB (Power Bank) Batteries and Charger Included MO40L4413 & 40V (550 CFM / 130 MPH) Brushless Axial Blower, Tool Only
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MEDIOCRE
59
Winnowl Index
Winnowl Verdict
The Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower and its MEDIOCRE (65) 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 $535.95 sitting at the $658.14 average, the Performance is a combination of data points; for instance, the 70 minutes Total Run Time yields you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery despite the 40 V Battery Voltage resulting in you should effectively maintain blade speed on a tidy, dry lawn that gets mowed on a regular schedule. With Strong Brand Strength that is 8% above the average brand, this is a Safe Bet.
Market Value Index
Fair
$535.95
Overpriced
Fair
High Value
The $535.95 price sits right at the class average of $658.14 and results in the Fair Value rating.
Performance Rating
Mediocre
The Average Performance rating is based on opposing data points; with the Total Run Time of 70 minutes you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery, but with the Battery Voltage of 40 V you should effectively maintain blade speed on a tidy, dry lawn that gets mowed on a regular schedule.
Brand Strength
Strong
The Strong Brand Strength of Greenworks is based on Average Brand Trust and Average reliability in Battery Powered Self-Propelled Lawn Mowers.
Available At
$535.95
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Battery Voltage | 40 V | Mediocre | 29% worse | Standard residential power. Balanced for consistent performance on well-maintained suburban lawns. |
| Usable Energy Capacity | 256 Wh | Mediocre | 36% worse | |
| Total Run Time | 70 minutes | Average | 22% better | High-endurance rating. Provides a safety buffer for thick grass or larger properties. |
| Warranty | 3 Years | Mediocre | 22% worse | Standard residential protection. Covers the machine through the initial years of typical seasonal use. |
| Total Capacity | 8 Ah | Average | 16% worse | High-capacity power supply that prevents the motor from bogging down or stalling when cutting through thick, heavy grass. |
| Charging Time | 120 mins | Average | 22% worse | Extended recovery time. Slow recharge speed may delay your ability to finish larger jobs. |
| Number of Batteries | 2 count | Average | 18% better | Dual-battery loadout. Provides immediate redundancy and extended runtime for larger properties. |
| Cutting Width | 21 inches | Average | Average | Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates. |
| Single Battery Capacity | 4 Ah | Mediocre | 32% worse | |
| 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: #56 out of 75.
- Performance Rank: #57 out of 75.
- Winnowl Quadrant: Budget
Strengths
- At minutes, the Total Run Time is longer than the class average (57.45 minutes) but not as long as the class maximum (150 minutes).
Neutral
- A Total Capacity of Ah is about average 9.55 Ah but below the class max of 24 Ah.
- A Cutting Width of inches is about average (21.21 inches) but narrower than the widest in class at 26 inches.
- A Cutting Height Adjustment of settings is about average (7.01 settings) but not as many as the class max of 10 settings.
- battery(s) is about average 1.69count but below the most in class (4 count).
Weaknesses
- At mins, the Charging Time is slower than the average of 98.21 mins and well below the fastest at (30 mins).
- The Years warranty is in the bottom 10%, offering minimal long-term protection.
- At V, the voltage is in the bottom 10%, indicating lower power potential than most peers.
Comparison
| Name | Winnowl Index | Value | Performance | Brand | Price | Usable Energy Capacity | Total Run Time | Battery Voltage | Total Capacity | Cutting Width | Warranty | Charging Time | Number of Batteries | Cutting Height Adjustment | Single Battery Capacity |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Greenworks 40V 21" Brushless (Smart Pace) Self-Propelled Lawn Mower |
MEDIOCRE
59
|
Fair | Mediocre | Strong | $535.95 | 256 Wh | 70 minutes | 40 V | 8 Ah | 21 inches | 3 Years | 120 mins | 2 count | 7 settings | 4 Ah |
| Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower |
ELITE
94
|
Exceptional | Strong | Exceptional | $599.00 | 576 Wh | 75 minutes | 80 V | 9 Ah | 21 inches | 5 Years | 60 mins | 2 count | 7 settings | 5 Ah |
| Greenworks 82V 25-Inch Battery Powered Self-Propelled Lawn Mower |
ELITE
86
|
Fair | Strong | Strong | $979.97 | 787.20 Wh | 60 minutes | 82 V | 12 Ah | 25 inches | 4 Years | 30 mins | 3 count | 7 settings | 4 Ah |
| LiTHELi 18-Inch Brushless Self-Propelled Mower |
MEDIOCRE
59
|
Exceptional | Mediocre | Mediocre | $276.59 | 256 Wh | 50 minutes | 40 V | 8 Ah | 18 inches | 5 Years | 120 mins | 2 count | 6 settings | 4 Ah |
Rankings
