Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower, (1) 4 Ah and (1) 5 Ah Batteries Included
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Kobalt
|
Battery Powered Self-Propelled Lawn Mowers
ELITE
91
Winnowl Index
Winnowl Verdict
Our evaluation of the Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower confirms a rare ELITE (91) Winnowl Index—the undisputed mathematical peak of the Battery Powered Self-Propelled Lawn Mowers class. That score is high because Kobalt has Exceptional Brand Strength, giving you the Exceptional Brand Trust you need combined with Strong Performance. When you look at the numbers, the Total Run Time of 75 minutes is above the class average, which suggests you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery. With it's Strong Value and 11% more Performance for your money over other average Battery Powered Self-Propelled Lawn Mowers, this Gold Standard is a strong buy.
Market Value Index
Strong
$599.00
Overpriced
Fair
High Value
Our audit shows Strong Value, meaning 11% more Performance for your money compared to other Battery Powered Self-Propelled Lawn Mowers.
Performance Rating
Strong
The rated Performance is Strong, lead by the Total Run Time at 75 minutes means you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery.
Brand Strength
Exceptional
Data for Kobalt shows Exceptional Brand Strength; combining Exceptional Brand Trust with Exceptional reliability means the brand is there to help you after your purchase.
Available At
$599.00
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Total Run Time | 75 minutes | Exceptional | 34% better | High-endurance rating. Provides a safety buffer for thick grass or larger properties. |
| Battery Voltage | 80 V | Strong | 32% better | High-torque power plant. Capable of maintaining high RPMs through dense turf and varying terrain. |
| Warranty | 5 Years | Strong | 31% better | Extended service commitment. Reflects high manufacturer confidence in the motor and battery electronics. |
| Charging Time | 60 mins | Average | 27% better | Standard residential charge rate. Balanced for typical weekly maintenance schedules. |
| Battery Capacity | 5 Ah | Average | 8% worse | Standard suburban capacity. Balanced for roughly 45-60 minutes of runtime. |
| Number of Batteries | 2 count | Average | 21% better | Dual-battery loadout. Provides immediate redundancy and extended runtime for larger properties. |
| Cutting Width | 21 inches | Average | 2% worse | Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates. |
| 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: #5 out of 40.
- Performance Rank: #2 out of 40.
- Winnowl Quadrant: High Value
Strengths
- Highest Warranty in its class at 5 Years, significantly above the class average of 3.83 Years.
- At mins, the Charging Time is faster than the class average (82.65 mins) but not as fast as some products at (45 mins).
- With batteries, the Number of Batteries is higher than the class average (1.65) but still lower than the most in class (4).
- V provides high-end power delivery, placing it in the top 10% for voltage in this class.
- A minutes runtime puts this in the top 10% for endurance in this category.
Neutral
- A Battery Capacity of Ah is about average 5.46 Ah but below the class max of 12 Ah.
- A Cutting Width of inches is about average (21.40 inches) but narrower than the widest in class at 26 inches.
- A Cutting Height Adjustment of settings is about average (6.80 settings) but not as many as the class max of 10 settings.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| SENIX X6 60 Volt 21-Inch Battery Powered Self-Propelled Lawn Mower |
STRONG
86
|
Exceptional | Strong | Average | $419.00 | 65 minutes | 60 V | 8 Ah | 21 inches | 5 Years | 60 mins | 1 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 |
Rankings
