Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower, (1) 4 Ah and (1) 5 Ah Batteries Included
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STRONG
88
Winnowl Index
Winnowl Verdict
The final audit of the Kobalt 80-Volt 21-in Self-propelled Battery Lawn Mower results in a STRONG (88) Winnowl Index, identifying a product that is effectively unassailable across every technical pillar. We’ve got Kobalt tracked at Exceptional Brand Strength, so those Strong specs are backed by Exceptional Brand Trust. The specs show the Total Run Time hitting 75 minutes; that’s above most of the class and the reason you should have plenty of power to handle larger yards or overgrown grass that would typically drain a standard battery. Given the Exceptional Value index and a 31% lead in value, we recommend you stick with this purchase.
Market Value Index
Exceptional
$599.00
Overpriced
Fair
High Value
The value favors you here; a $599.00 buy-in with Exceptional Value gets you 31% more Performance value than 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
Kobalt has Exceptional Brand Strength, so you can count on Exceptional Brand Trust and Exceptional reliability to keep it running long-term.
Available At
$599.00
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Total Run Time | 75 minutes | Strong | 31% better | High-endurance rating. Provides a safety buffer for thick grass or larger properties. |
| Battery Voltage | 80 V | Strong | 44% better | High-torque power plant. Capable of maintaining high RPMs through dense turf and varying terrain. |
| Warranty | 5 Years | Strong | 29% better | Extended service commitment. Reflects high manufacturer confidence in the motor and battery electronics. |
| Charging Time | 60 mins | Average | 39% better | Standard residential charge rate. Balanced for typical weekly maintenance schedules. |
| Battery Capacity | 5 Ah | Average | 15% worse | Standard suburban capacity. Balanced for roughly 45-60 minutes of runtime. |
| 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. |
| 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: #1 out of 75.
- Performance Rank: #6 out of 75.
- Winnowl Quadrant: High Value
Strengths
- At V, the Battery Voltage is higher than the class average (55.55 V) but does not reach the class maximum (84 V).
- Highest Warranty in its class at 5 Years, significantly above the class average of 3.87 Years.
- At mins, the Charging Time is faster than the class average (98.21 mins) but not as fast as some products at (30 mins).
- A minutes runtime puts this in the top 10% for endurance in this category.
Neutral
- A Battery Capacity of Ah is about average 5.85 Ah but below the class max of 12 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).
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 |
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+ LM2134SP-2 Select Cut 21-Inch Self-Propelled Mower |
STRONG
83
|
Strong | Strong | Strong | $779.00 | 100 minutes | 56 V | 6 Ah | 21 inches | 5 Years | 30 mins | 2 count | 8 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
