Kobalt 21-Inch 80V 9Ah Battery Powered Self-Propelled Lawn Mower - Product Audit

Name: Kobalt 21-Inch 80V 9Ah Battery Powered Self-Propelled Lawn Mower
Brand: Kobalt
SKU: KM 65180D

By Winnowl Research Group | Updated September 2026

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Kobalt | Battery Powered Self-Propelled Lawn Mowers

Winnowl Verdict

ELITE

85 Winnowl Index

Class Leader

#1 of 74

Available At

$599.00 View Deal

Market Value Index

Exceptional

Class Leader

Rank: #1 of 74

Score: 89/100

Performance Rating

Strong

Top 5% in Class

Rank: #2 of 74

Score: 83/100

Brand Strength

Strong

Class Leader

Rank: #1 of 25

Score: 71/100

Price Position

Average

At Baseline

Price: $599

Specifications Report

WS - Runtime Primary Spec

69.43 minutes

Strong

Top 10% in Class

MFR - Battery Voltage Key Driver

80 V

Exceptional

Top 10% in Class

WS - Usable Energy Capacity Key Driver

648 Wh

Strong

Top 10% in Class

MFR - Warranty

                                    5
                                    Year
                                

Class Leader

Ranked #1 out of 74

Class Max: 5 Year

MFR - Charging Time

60 mins

Average

+8% above 65 mins baseline

MFR - Number of Batteries

2 batteries

At Baseline

MFR - Cutting Width

21 inches

At Baseline

MFR - Cutting Height Adjustment

7 settings

At Baseline

MFR - Total Capacity

9 Ah

Average

+13% above 8 Ah baseline

MFR - Runtime

75 minutes

Strong

Top 10% in Class

MFR - Single Battery Capacity

5 Ah

At Baseline

Class Comparison

ELITE