AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for vs BLACK+DECKER Weed Eater, Lawn Edger and Cordless
Updated July 2026 — AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for wins on engine size and weight, BLACK+DECKER Weed Eater, Lawn Edger and Cordless wins on battery life.
The AMRISUN mower excels in power and performance for larger yards, while the BLACK+DECKER offers versatility and ease of use for smaller spaces.
Why AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for is better
Power
AMRISUN has a powerful 170cc engine.
Cutting Height
AMRISUN offers 6 adjustable cutting heights.
Durability
AMRISUN features a heavy-duty steel deck.
Why BLACK+DECKER Weed Eater, Lawn Edger and Cordless is better
Price
BLACK+DECKER is significantly cheaper.
Weight
BLACK+DECKER is lighter and easier to handle.
Versatility
BLACK+DECKER has a 3-in-1 functionality.
Overall score
Specifications
| Spec | AMERISUN AMRISUN 21-Inch Self-Propelled Gas Lawn Mower for | BLACK+DECKER Weed Eater, Lawn Edger and Cordless |
|---|---|---|
| Engine Type | Gas | Battery |
| Mowing Functions | 3-in-1 | 3-in-1 |
| Sales Rank | 13987 | 13782 |
| Warranty | N/A | 2 Years |
| Cutting Height | 1.5-3.9 in | Adjustable |
Dimension comparison
Overview of AMRISUN 21-Inch Self-Propelled Gas Lawn Mower
The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower is built for larger yards and offers robust features tailored for effective lawn maintenance. Priced at $314.10, it is designed with a powerful 170cc 4-stroke engine that ensures easy starting and strong cutting performance. Its 3-in-1 functionality allows users to mulch, side discharge, or bag grass clippings, making it versatile for different lawn care needs. With a sales rank of 13,987, it showcases popularity among consumers looking for a reliable gas mower.
Overview of BLACK+DECKER Weed Eater
The BLACK+DECKER Weed Eater is a 3-in-1 combo that combines a lawn mower, trimmer, and edger in one compact design. Offered at a significantly lower price of $169.00, it features a 12-inch battery-powered string trimmer and a mower deck that can be easily transformed for different tasks. This product is ideal for smaller spaces, making it a practical choice for yards that are tough to navigate. With a sales rank of 13,782, it proves to be a competitive option in the market for versatile lawn care tools.
Power and Performance
For power and performance, the AMRISUN lawn mower stands out with its 170cc 4-stroke engine, providing strong cutting power necessary for larger, tougher lawns. This gas mower is designed to handle medium to large yards effectively. In contrast, the BLACK+DECKER Weed Eater relies on battery power, which may limit its cutting capability in dense grass compared to a gas engine. However, its PowerDrive technology helps prevent bogging, ensuring efficient performance in various conditions. While the AMRISUN is better suited for heavy-duty tasks, the BLACK+DECKER excels in convenience and ease of use.
Versatility and Functionality
The AMRISUN mower offers a versatile 3-in-1 mowing function, allowing users to switch between mulching, side discharge, and collecting grass clippings. This flexibility is particularly beneficial for maintaining the aesthetic of larger gardens. Meanwhile, the BLACK+DECKER's convertible design enables it to transition from a lawn mower to a trimmer or edger. This capability is ideal for tackling hard-to-reach areas or smaller yards. While both products provide multifunctionality, the AMRISUN is tailored for larger spaces, whereas the BLACK+DECKER is designed for versatility in smaller, challenging areas.
Ease of Use and Maneuverability
Maneuverability is a crucial factor when selecting a lawn mower. The AMRISUN features high wheels that enhance its performance over hills and uneven terrain, making it easier to navigate while mowing. In contrast, the BLACK+DECKER Weed Eater is designed with a lightweight and compact frame, which makes it easier to handle in confined spaces. The adjustable length and height features also add to its user-friendliness. In terms of ease of use, the BLACK+DECKER may be more suitable for those who prefer a lightweight tool, while the AMRISUN is better for users who need a mower that can handle tougher landscapes.
Storage and Maintenance
Regarding storage and maintenance, the AMRISUN mower comes equipped with a foldable handle, making it easier to store in tight spaces. Its durable steel deck is built for longevity, reducing the need for frequent maintenance. The BLACK+DECKER Weed Eater, on the other hand, is compact and easy to store, but as a battery-powered tool, it requires periodic charging and battery maintenance. While both options have their merits, the AMRISUN offers a more robust construction that may require less maintenance over time compared to the battery-operated BLACK+DECKER.
Price Comparison
The pricing difference between these two products is substantial. The AMRISUN 21-Inch Self-Propelled Gas Lawn Mower is priced at $314.10, while the BLACK+DECKER Weed Eater costs only $169.00, making it about 46% cheaper. This significant price gap may influence buyers depending on their budget and the size of their lawn. For those with smaller yards looking for a budget-friendly solution, the BLACK+DECKER presents an appealing option, while the AMRISUN may justify its higher price with its powerful engine and features suited for larger properties.
Which should you buy?
Choosing between the AMRISUN 21-Inch Self-Propelled Gas Lawn Mower and the BLACK+DECKER Weed Eater ultimately depends on your specific lawn care needs. If you have a large yard that requires robust power and versatility, the AMRISUN is the better option, offering a powerful gas engine and multiple mowing functions. Conversely, if you’re looking for a budget-friendly, compact solution for a smaller yard or challenging spaces, the BLACK+DECKER provides excellent versatility and ease of use at a lower price point. Assess your yard size and maintenance preferences to make the best choice for your lawn care needs.

