DCK KDLM58212HM Battery Powered Self-Propelled Lawn Mower (21-Inch, 58V, 7.5Ah Battery, Brushless)
When you purchase through links on our site, we may earn an affiliate commission.
MEDIOCRE
52
Winnowl Index
Winnowl Verdict
With a MEDIOCRE (62) Winnowl Index, the DCK KDLM58212HM Battery Powered Self-Propelled Lawn Mower offers a high-stakes compromise where superior technical metrics are offset by the volatility of a lagging Brand Strength profile. The Winnowl Index reflects a significant technical-to-trust disparity, where the Average Performance and Fair Value are undermined by a Mediocre Brand Strength profile that lacks established reliability. With the DCK KDLM58212HM Battery Powered Self-Propelled Lawn Mower (21-Inch, 58V, 7.5Ah Battery, Brushless), you can tackle thicker grass and longer sessions with confidence; this is a significant step up from standard battery packs via a above average Battery Capacity of 7.50 Ah, yet the Mediocre Brand Trust and Mediocre Brand Reliability ratings represent a major audit concern regarding long-term product viability. While the Fair Value appears favorable, the Mediocre Brand Strength tells there are higher scoring Battery Powered Self-Propelled Lawn Mowers and you should look for something else.
Market Value Index
Fair
$499.99
Overpriced
Fair
High Value
Most people are paying $658.14 for less, but at $499.99, you're scoring 20% more Performance than the rest of the class, which easily justifies that Fair Value score.
Performance Rating
Mediocre
To see the Average Performance rating, the top spec at 7.50 Ah Battery Capacity is great for you can tackle thicker grass and longer sessions with confidence; this is a significant step up from standard battery packs, while the bottom spec at 3 Years Warranty might end up you should be able to protect your investment through the first few seasons of normal residential use.
Brand Strength
Mediocre
A heads-up on the manufacturer: because of the Mediocre Brand Trust and Mediocre Brand Reliability, the Mediocre Brand Strength is a bit of a concern that you should keep in mind before buying.
Available At
$499.99
View Deal
The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Warranty | 3 Years | Mediocre | 22% worse | Standard residential protection. Covers the machine through the initial years of typical seasonal use. |
| Charging Time | 150 mins | Mediocre | 53% worse | Extended recovery time. Slow recharge speed may delay your ability to finish larger jobs. |
| Number of Batteries | 1 count | Average | 41% worse | Standard single-battery kit. Ideal for standard suburban lots that can be finished in one session. |
| Total Capacity | 7.50 Ah | Average | 21% worse | High-capacity power supply that prevents the motor from bogging down or stalling when cutting through thick, heavy grass. |
| Usable Energy Capacity | 348 Wh | Average | 13% worse | |
| Total Run Time | 60 minutes | Average | 4% better | High-endurance rating. Provides a safety buffer for thick grass or larger properties. |
| Cutting Width | 21 inches | Average | Average | Standard residential deck width. Balanced for efficiency and maneuverability through most garden gates. |
| Battery Voltage | 58 V | Average | 3% better | Standard residential power. Balanced for consistent performance on well-maintained suburban lawns. |
| Single Battery Capacity | 7.50 Ah | Average | 28% better | |
| 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: #61 out of 75.
- Performance Rank: #61 out of 75.
- Winnowl Quadrant: Budget
Neutral
- A Battery Voltage of V is about average (56.51 V) but below the highest in class at 84 V.
- A Cutting Width of inches is about average (21.21 inches) but narrower than the widest in class at 26 inches.
- A Total Run Time of minutes is about average (57.45 minutes) but not as long as the class max of 150 minutes.
- A Cutting Height Adjustment of settings is about average (7.01 settings) but not as many as the class max of 10 settings.
Weaknesses
- At Ah, the Total Capacity is below the average of 9.55 Ah and well below the class maximum (24 Ah).
- The Years warranty is in the bottom 10%, offering minimal long-term protection.
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DCK KDLM58212HM Battery Powered Self-Propelled Lawn Mower |
MEDIOCRE
52
|
Fair | Mediocre | Mediocre | $499.99 | 348 Wh | 60 minutes | 58 V | 7.50 Ah | 21 inches | 3 Years | 150 mins | 1 count | 7 settings | 7.50 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
