
Kobalt Gen4 40-volt, 20-in Push Lawn Mower with (1) 6 Ah Battery Included
When you purchase through links on our site, we may earn an affiliate commission.
AVERAGE
74
Winnowl Index
Winnowl Verdict
The Kobalt Gen4 40-volt, 20-in Push Lawn Mower earns a STRONG (83) Winnowl Index, functioning as a definitive anchor for the class by combining Exceptional Brand Strength with Strong Performance at an average price. The score is driven by Kobalt delivering Exceptional Brand Strength, Exceptional Brand Trust and Strong Performance. While the $329.00 is average, it delivers Performance that is 45% above the average for the class; for example the Total Run Time of 60 minutes is 14% above the field, and indicates you should effectively clear larger properties or handle thick, overgrown grass that usually drains batteries quickly. The Fair Value is just fine given the Exceptional Brand Strength and Strong Performance and is a recommended buy.
Market Value Index
Mediocre
Price N/A
Overpriced
Fair
High Value
The $329.00 price point sits right at the $262.51 average, confirming the Fair Value for this segment.
Performance Rating
Average
At 45% above the average, the Performance comes in at Strong; for example the 60 minutes Total Run Time suggests you should effectively clear larger properties or handle thick, overgrown grass that usually drains batteries quickly, though the Charging Time of 180 mins might mean you will likely find this mower out of commission for half the day once the battery hits zero.
Brand Strength
Exceptional
Kobalt scores Exceptional for Brand Strength which is 125% above the average due to the Exceptional Brand Reliability and Exceptional Brand Trust.
Available At
Currently unavailable.
The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Total Run Time | 60 minutes | Exceptional | 45% better | Extended-range endurance. Provides a necessary safety buffer for thick turf or properties that push the limits of standard battery tech. |
| Warranty | 5 Years | Exceptional | 69% better | Premium support level. A 4 to 6-year window signals high manufacturer confidence in the build quality and component lifespan. |
| Charging Time | 180 mins | Mediocre | 54% worse | Overnight charging profile. This slow rate is a bottleneck for productivity and indicates a bare-bones charging setup. |
| Cutting Width | 20 inches | Strong | 21% better | |
| Number of Batteries | 1 count | Average | 31% worse | Single-pack baseline. This is the entry point for cordless mowers, providing no hot-swap capability for larger jobs. |
| Single Battery Capacity | 6 Ah | Exceptional | 44% better | |
| Cutting Height Adjustment | 6 settings | Average | 6% better | Standard precision. Offers enough variety to handle the transition from spring growth to summer dormancy. |
| Total Capacity | 6 Ah | Average | 4% worse | |
| Battery Voltage | 40 V | Average | 2% better | Standard residential output. This range represents the industry sweet spot for balancing battery weight with reliable cutting torque. |
| Usable Energy Capacity | 192 Wh | Average | 2% worse |
Ranking Factors
Insights
- Value Rank: #25 out of 89.
- Performance Rank: #33 out of 89.
- Winnowl Quadrant: High Value
Strengths
- At inches, the Cutting Width is wider than the class average (16.57 inches) but not as wide as the widest in class (21 inches).
- Highest Warranty in its class at 5 Years, significantly above the class average of 2.95 Years.
- A minutes runtime puts this in the top 10% for endurance in this category.
Neutral
- A Battery Voltage of V is about average (39.08 V) but below the highest in class at 80 V.
- A Total Capacity of Ah is about average 6.26 Ah but below the class max of 12 Ah.
- A Cutting Height Adjustment of settings is about average (5.68 settings) but not as many as the class max of 10 settings.
Weaknesses
- The mins charge time is in the slowest 10% for this class.
- At only battery, this is in the bottom 10% for included power components.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kobalt Gen4 40-volt, 20-in Push Lawn Mower |
AVERAGE
74
|
Mediocre | Average | Exceptional | $0.00 | 192 Wh | 60 minutes | 40 V | 6 Ah | 20 inches | 5 Years | 180 mins | 1 count | 6 settings | 6 Ah |
| WORX WG752 Nitro Battery Powered Push Lawn Mower |
ELITE
86
|
Fair | Strong | Strong | $332.53 | 320 Wh | 50 minutes | 40 V | 10 Ah | 20 inches | 5 Years | 120 mins | 2 count | 7 settings | 5 Ah |
| PowerSmart 80V MAX 21in. Cordless Push Lawn Mower |
STRONG
79
|
Mediocre | Strong | Average | $399.99 | 384 Wh | 60 minutes | 80 V | 6 Ah | 21 inches | 4 Years | 75 mins | 1 count | 7 settings | 6 Ah |
| LiTHELi Electric Lawn Mower |
AVERAGE
73
|
Exceptional | Average | Mediocre | $119.99 | 256 Wh | 30 minutes | 40 V | 8 Ah | 17 inches | 3 Years | 120 mins | 2 count | 6 settings | 4 Ah |
