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BLACK+DECKER 20-Inch Corded Electric Lawn Mower vs MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless

Updated July 2026 — BLACK+DECKER 20-Inch Corded Electric Lawn Mower wins on cutting width and grass bag size, MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless wins on runtime and motor power.

The BLACK+DECKER mower offers superior cutting width and power, while the MZK provides the convenience of cordless operation. Choose based on your lawn care needs.

Why BLACK+DECKER 20-Inch Corded Electric Lawn Mower is better

Cutting Width

20-inch cutting width vs 16-inch

Power

13 Amp motor vs brushless motor

Grass Bag Size

13-gallon bag vs 40L bag

Why MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless is better

Cordless

Cordless operation vs corded

Runtime

Up to 45 minutes vs corded limitation

Battery Included

Includes batteries vs corded only

Overall score

BLACK+DECKER 20-Inch Corded Electric Lawn Mower
85
MZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless
78

Specifications

SpecBLACK+DECKER 20-Inch Corded Electric Lawn MowerMZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless
Motor TypeCordedCordless
Cutting Modes3-in-12-in-1
Height Range1.5-4 in1.4-3 in
BatteriesNone2 x 4.0Ah
Weight30 lbs35 lbs

Dimension comparison

BLACK+DECKER 20-Inch Corded Electric Lawn MowerMZK 40V 16" Electric Lawn Mower, 2-in-1 Brushless

Overview of the BLACK+DECKER 20-Inch Corded Electric Lawn Mower

The BLACK+DECKER 20-Inch Corded Electric Lawn Mower is an efficient and powerful option for homeowners. Priced at $259.00, it features a robust 13 Amp motor that delivers reliable cutting performance. This model stands out with its three-in-one cutting versatility, allowing for mulching, bagging, and side discharge. The user-friendly design includes a 7-setting height adjustment feature, enabling cuts from 1.5 to 4 inches. With a best-seller rank of 31,868, it is popular among consumers looking for a dependable corded mower. Its lightweight design and easy portability make it ideal for various lawn sizes, particularly small to medium lawns.

Overview of the MZK 40V 16" Electric Lawn Mower

The MZK 40V 16" Electric Lawn Mower is another viable choice, retailing for $259.99. It features a high-performance brushless motor that operates at up to 3,400 RPM, ensuring strong cutting performance. This cordless model comes with two 4.0Ah lithium batteries, providing up to 45 minutes of runtime on a full charge, making it suitable for small to medium-sized lawns. The mower offers a 16-inch cutting width and a 5-position height adjustment, allowing cuts from 1.4 to 3 inches. With a best-seller rank of 3,291, it demonstrates a strong presence in the market, particularly appealing to those seeking the convenience of a battery-operated mower.

Cutting Performance Comparison

In terms of cutting performance, both mowers have their strengths. The BLACK+DECKER mower features a 20-inch cutting width and a powerful 13 Amp motor, making it effective for tackling thick grass and overgrowth. Its three-in-one functionality allows for efficient mulching, bagging, or side discharge, catering to different lawn care needs. On the other hand, the MZK mower, with its 16-inch cutting width, utilizes a brushless motor that provides a high RPM for effective cutting. Although it has a narrower cutting width, the dual-battery system ensures extended operation, allowing for uninterrupted mowing until the task is complete.

Usability and Convenience

Usability and convenience are essential features for any lawn mower. The BLACK+DECKER model excels with its lightweight design and simple 7-setting height adjustment, which accommodates a range of grass lengths from 1.5 to 4 inches. Its 13-gallon fabric grass bag allows users to quickly determine when it’s full, while the edge-max deck design enables close cutting near edges and landscaping. Conversely, the MZK mower offers a 5-position height adjustment from 1.4 to 3 inches, which may be slightly limiting for some users. However, the inclusion of two batteries and a dual-port charger enhances convenience, allowing for seamless battery swaps and reducing downtime during mowing sessions.

Maintenance and Care

Maintenance and care are crucial for prolonging the life of a lawn mower. The BLACK+DECKER mower’s design promotes easy maintenance with its tool-free height adjustment and efficient grass bag that is easy to remove and check for fullness. Its corded nature does mean that users must manage the power cord while mowing, which can be a minor inconvenience. In contrast, the MZK mower’s brushless motor requires less maintenance over time due to reduced wear, and the cordless design eliminates the hassle of managing a power cord. The removable rear grass bag simplifies cleanup and maintenance, making it easier for users to maintain their equipment.

Price Considerations

When considering price, the BLACK+DECKER mower is slightly more affordable at $259.00 compared to the MZK mower, priced at $259.99. This represents a price difference of about 0.4%, which may not be significant for some buyers. However, when factoring in the average prices over the past 90 days, the BLACK+DECKER model averages $242.14, which suggests it may often be found at a better value, especially during promotional periods. In contrast, the MZK mower’s average price over the same period is $259.98, indicating that it tends to maintain a more stable price point.

Brand Reputation and Customer Feedback

Brand reputation plays an important role in product selection. BLACK+DECKER is a well-established name in the lawn care industry, known for producing reliable and high-quality products. The feedback for the BLACK+DECKER mower emphasizes its power, ease of use, and effective cutting capabilities. Meanwhile, MZK is a newer brand, but it has garnered attention with its innovative designs and features. Customer feedback on the MZK mower often highlights its strong cutting performance and battery efficiency, making it a solid competitor in the market.

Which should you buy?

Choosing between the BLACK+DECKER 20-Inch Corded Electric Lawn Mower and the MZK 40V 16" Electric Lawn Mower ultimately depends on your specific needs and preferences. If you prioritize cutting width and power, the BLACK+DECKER model offers a slight edge with its larger cutting area and robust motor. However, if you prefer the convenience of cordless operation and extended battery life, the MZK mower may be the better choice. Both mowers provide excellent features for their price points, so consider your lawn size and maintenance preferences before making a decision.