PowerSmart 80V MAX 21" Cordless Lawn Mower, 3-in-1 Brushless Electric Lawn Mower with 6.0Ah Lithium-ion Battery & Charger (PS76821)
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AVERAGE
72
Winnowl Index
Winnowl Verdict
A balanced price to Performance evaluation identifies the PowerSmart 80V MAX 21" Cordless Lawn Mower, 3-in-1 Brushless Electric Lawn Mower with 6.0Ah Lithium-ion Battery & Charger (PS76821) as with AVERAGE (72) Winnowl Index as a fair, no-surprises entry. This product hits Exceptional Value by matching its Average Performance rating with Average Brand Strength from PowerSmart. Its Battery Voltage of 80 V sits above the average—indicating you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down—while the Warranty of 2 Years sits below class average of 3.02 Years. This is a smart, better than average buy, balancing price, performance and reliability.
Market Value Index
Exceptional
$399.99
Overpriced
Fair
High Value
Our audit highlights Exceptional Value, as the utility you get for a $399.99 investment beats the class average by 59%.
Performance Rating
Average
With an Average Performance rating, the Battery Voltage of 80 V suggests you should be able to power through tall fescue and overgrown weeds without the motor struggling or bogging down, though the Warranty at 2 Years might occasionally mean you should be able to protect your investment through the first few seasons of normal residential use.
Brand Strength
Average
PowerSmart has Average Brand Strength, backed by Average Brand Trust and Average Brand Reliability.
Available At
$399.99
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The Winnowl Lab Report
| Specification | Value | Rating | Vs. Average | Winnowl Insight |
|---|---|---|---|---|
| Battery Voltage | 80 V | Strong | 44% better | High-torque power plant. Capable of maintaining high RPMs through dense turf and varying terrain. |
| Warranty | 2 Years | Weak | 48% worse | Standard residential protection. Covers the machine through the initial years of typical seasonal use. |
| Cutting Height Adjustment | 5 settings | Weak | 29% worse | Standard residential adjustment range. Provides enough flexibility for basic seasonal changes. |
| 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 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. |
| Charging Time | 90 mins | Average | 8% better | Standard residential charge rate. Balanced for typical weekly maintenance schedules. |
| Battery Capacity | 6 Ah | Average | 3% better | High-capacity power supply that prevents the motor from bogging down or stalling when cutting through thick, heavy grass. |
Ranking Factors
Insights
- Value Rank: #45 out of 75.
- Performance Rank: #47 out of 75.
- Winnowl Quadrant: Budget
Strengths
- At V, the Battery Voltage is higher than the class average (55.55 V) but does not reach the class maximum (84 V).
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 Total Run Time of minutes is about average (57.45 minutes) but not as long as the class max of 150 minutes.
- A Charging Time of mins is about average 98.21 mins but below the fastest at 30mins.
Weaknesses
- Shortest Warranty in its class at 2 Years, well below longest in class at 5 Years.
- With only settings, this is in the bottom 10% for height adjustability.
- At only battery, this is in the bottom 10% for included power components.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PowerSmart 80V MAX 21" Cordless Lawn Mower |
AVERAGE
72
|
Exceptional | Average | Average | $399.99 | 60 minutes | 80 V | 6 Ah | 21 inches | 2 Years | 90 mins | 1 count | 5 settings |
| 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+ 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
