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AMERISUN vs BLACK+DECKER Weed Eater, Lawn Edger and Cordless

Updated July 2026 — AMERISUN wins on price and engine cc, BLACK+DECKER Weed Eater, Lawn Edger and Cordless wins on battery count.

The AMERISUN offers superior cutting efficiency and engine performance, while the BLACK+DECKER provides versatility and portability. Choose based on your lawn care needs.

Why AMERISUN is better

Cutting Width

AMERISUN has a 21-inch cutting width compared to BLACK+DECKER's 12 inches.

Engine Power

AMERISUN features a powerful 144cc gas engine.

Height Adjustment

AMERISUN offers a six-position height adjustment for better customization.

Why BLACK+DECKER Weed Eater, Lawn Edger and Cordless is better

Price

BLACK+DECKER is $55.99 cheaper than AMERISUN.

Versatility

BLACK+DECKER has a 3-in-1 functionality for multiple tasks.

Weight

BLACK+DECKER is lighter and more portable.

Overall score

AMERISUN
85
BLACK+DECKER Weed Eater, Lawn Edger and Cordless
75

Specifications

SpecAMERISUNBLACK+DECKER Weed Eater, Lawn Edger and Cordless
Power SourceGasBattery
FunctionalityMower3-in-1
Engine Type4-StrokeN/A
StorageFoldableCompact
Cutting OptionsMulching/DischargeTrimmer/Edger

Dimension comparison

AMERISUNBLACK+DECKER Weed Eater, Lawn Edger and Cordless

Overview

When choosing between the AMERISUN 21 Inch Gas Push Lawn Mower and the BLACK+DECKER Weed Eater, it’s essential to consider your specific lawn care needs. The AMERISUN mower is designed for efficiency in cutting larger areas, while the BLACK+DECKER offers versatility with its 3-in-1 functionality. Understanding these differences can help you select the right tool for your yard.

Price Comparison

The AMERISUN is priced at $224.99, making it about 33% more expensive than the BLACK+DECKER, which retails for $169.00. If you're looking for a budget-friendly option, the BLACK+DECKER offers a significant saving, as it costs $55.99 less than the AMERISUN. This price difference may influence your decision if you are trying to stick to a budget while maintaining your lawn.

Engine Performance

The AMERISUN features a powerful 144cc 4-stroke OHV engine, delivering consistent cutting performance. In contrast, the BLACK+DECKER is battery-powered, which means it runs on two 20V MAX* Li-ion batteries included in the package. While the AMERISUN provides robust power for broader areas, the BLACK+DECKER's battery operation offers a quieter, emissions-free experience, making it suitable for residential neighborhoods or smaller spaces.

Cutting Efficiency

In terms of cutting efficiency, the AMERISUN has a 21-inch cutting width, allowing it to cover more ground quickly, which is particularly effective for small to medium yards. This feature can significantly reduce mowing time compared to the BLACK+DECKER, which has a narrower 12-inch cutting deck. The larger deck of the AMERISUN is ideal for homeowners with more substantial lawns, while the compact design of the BLACK+DECKER is better for tight spaces and intricate landscaping.

Versatility and Functionality

The BLACK+DECKER excels with its 3-in-1 functionality, allowing it to easily transition between a trimmer, edger, and mower. This feature makes it an excellent choice for users who want a multi-purpose tool for various lawn tasks. On the other hand, the AMERISUN is primarily a push mower with a 2-in-1 mulching and side discharge option, catering to users who prefer a straightforward mowing experience without the need for additional functions.

Weight and Portability

The AMERISUN weighs 63 pounds, which, while manageable, may pose a challenge for some users during transport and storage. In contrast, the BLACK+DECKER's design is inherently more portable due to its lighter weight and compact 3-in-1 configuration. The BLACK+DECKER's removable wheeled deck enhances its portability, making it easier to store and maneuver in smaller yards where space is limited.

Ease of Use

For ease of use, the AMERISUN’s six-position height adjustment allows for customization based on grass type and lawn conditions, with settings ranging from 1.5 inches to 3.9 inches. This flexibility can lead to a better overall finish depending on the specific requirements of your lawn. Conversely, the BLACK+DECKER features an automatic feed spool that ensures continuous operation without interruptions for line adjustments, simplifying the yard maintenance experience.

Maintenance and Storage

Storage and maintenance considerations also vary between the two products. The AMERISUN features a foldable handle, making it easy to store in garages or sheds, especially during the off-season. While the BLACK+DECKER is designed for easy storage due to its compact nature, users must consider the maintenance of the batteries and ensure they are charged regularly for optimal performance.

Which should you buy?

Choosing between the AMERISUN 21 Inch Gas Push Lawn Mower and the BLACK+DECKER Weed Eater ultimately depends on your lawn care needs. If you have a larger yard and prefer a powerful gas mower, the AMERISUN is the way to go, albeit at a higher price of $224.99. However, if you’re looking for a cost-effective solution that offers versatility for smaller spaces, the BLACK+DECKER at $169.00 provides excellent value with its 3-in-1 functionality.