LawnMaster CLMF4815E Battery Powered Push Lawn Mower (15-Inch, 48V Max, Two 4.0Ah Batteries)
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AVERAGE
74
Winnowl Index
Winnowl Verdict
The LawnMaster CLMF4815E Battery Powered Push Lawn Mower enters the class with a MEDIOCRE (63) Winnowl Index, presenting a high-stakes trade-off between better than average specs and a lagging brand reputation. This rating really reflects a conflict: you get Average Performance and Strong Value from brand with Mediocre Brand Strength. While the LawnMaster CLMF4815E Battery Powered Push Lawn Mower (15-Inch, 48V Max, Two 4.0Ah Batteries) provides a Battery Voltage of 48 V that sits above the class average, suggesting you should find the power sufficient for weekly cuts, maintaining consistent blade speed through most standard grass types, the Mediocre Brand Trust and Average are still a major concern. Despite that Strong Value, we suggest a looking for a different option because the Mediocre Brand Strength may not be the best use of your money.
Market Value Index
Strong
$178.30
Overpriced
Fair
High Value
Most people are paying $262.51 for less, but at $178.30, you're scoring 29% more Performance than the rest of the class, which easily justifies that Strong Value score.
Performance Rating
Average
You're looking at Average Performance here—the 48 V Battery Voltage may mean you should find the power sufficient for weekly cuts, maintaining consistent blade speed through most standard grass types, but the 2 Years Warranty is the main downside and might mean you should feel confident that the manufacturer will stand behind the machine for a reasonable portion of its service life.
Brand Strength
Mediocre
Based on Mediocre Brand Trust and Average Brand Reliability, LawnMaster has Mediocre Brand Strength; something you should consider before purchasing.
Available At
$178.30
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Usable Energy Capacity | 307.20 Wh | Strong | 56% better | |
| Number of Batteries | 2 count | Strong | 38% better | Dual-battery advantage. Provides a critical safety net and allows for continuous work on larger residential properties. |
| Warranty | 2 Years | Mediocre | 32% worse | Standard industry protection. This coverage aligns with the market average and offers a fair level of consumer security. |
| Total Capacity | 8 Ah | Strong | 28% better | |
| Battery Voltage | 48 V | Average | 23% better | Standard residential output. This range represents the industry sweet spot for balancing battery weight with reliable cutting torque. |
| Cutting Width | 15 inches | Average | 9% worse | |
| Cutting Height Adjustment | 6 settings | Average | 6% better | Standard precision. Offers enough variety to handle the transition from spring growth to summer dormancy. |
| Total Run Time | 40 minutes | Average | 3% worse | Standard duty cycle. This endurance level matches the average residential mowing session for most homeowners. |
| Charging Time | 120 mins | Average | 2% worse | Slow-recovery charging. Common in value-tier bundles where the charger lacks active cooling or high-amperage circuitry. |
| Single Battery Capacity | 4 Ah | Average | 4% worse |
Ranking Factors
Insights
- Value Rank: #13 out of 89.
- Performance Rank: #30 out of 89.
- Winnowl Quadrant: High Value
Strengths
- At V, the Battery Voltage is higher than the class average (39.08 V) but does not reach the class maximum (80 V).
- Ah capacity is in the top 10%, offering superior "fuel tank" size for an electric platform.
- Including batteries puts this in the Top 10% for out-of-the-box runtime.
Neutral
- A Total Run Time of minutes is about average (41.30 minutes) but not as long as the class max of 70 minutes.
- A Cutting Height Adjustment of settings is about average (5.68 settings) but not as many as the class max of 10 settings.
- A Charging Time of mins is about average 117.19 mins but below the fastest at 30mins.
Weaknesses
- At inches, the Cutting Width is narrower than the average of 16.57 inches and well below the widest in class (21 inches).
- The Years warranty is in the bottom 10%, offering minimal long-term protection.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LawnMaster CLMF4815E Battery Powered Push Lawn Mower |
AVERAGE
74
|
Strong | Average | Mediocre | $178.30 | 307.20 Wh | 40 minutes | 48 V | 8 Ah | 15 inches | 2 Years | 120 mins | 2 count | 6 settings | 4 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 |
Rankings
