BLACK+DECKER Weed Eater, Lawn Edger and Cordless vs PowerSmart Self Propelled Gas Lawn Mower 21-inch
Updated July 2026 — BLACK+DECKER Weed Eater, Lawn Edger and Cordless wins on storage space and battery life, PowerSmart Self Propelled Gas Lawn Mower 21-inch wins on weight and deck size.
The BLACK+DECKER Weed Eater is a versatile and budget-friendly option for smaller yards, while the PowerSmart offers more power and durability for larger spaces.
Why BLACK+DECKER Weed Eater, Lawn Edger and Cordless is better
Price
BLACK+DECKER is significantly cheaper at $169.
Versatility
3-in-1 functionality for trimming, edging, and mowing.
Weight
Lighter and easier to maneuver in tight spaces.
Why PowerSmart Self Propelled Gas Lawn Mower 21-inch is better
Power
170cc engine provides better cutting efficiency.
Build Quality
Rugged steel deck designed for durability.
Self-Propelled
Easier navigation on slopes and uneven terrain.
Overall score
Specifications
| Spec | BLACK+DECKER Weed Eater, Lawn Edger and Cordless | PowerSmart Self Propelled Gas Lawn Mower 21-inch |
|---|---|---|
| Engine Type | Electric | Gas |
| Cutting Height | 1-3 | 1.5-3.9 |
| Drive Type | Manual | Self-Propelled |
| Warranty | 2 Years | 1 Year |
| Mowing Options | 3-in-1 | 3-in-1 |
Dimension comparison
Overview of the BLACK+DECKER Weed Eater vs. PowerSmart Self-Propelled Lawn Mower
When comparing the BLACK+DECKER Weed Eater and the PowerSmart Self-Propelled Lawn Mower, the primary distinction lies in their design and functionality. The BLACK+DECKER Weed Eater is a versatile 3-in-1 tool focusing on compact yard care, while the PowerSmart model is a robust gas-powered self-propelled mower designed for larger areas. The Weed Eater is currently priced at $169.00, making it about 50% cheaper than the PowerSmart, which retails for $339.99.
Design and Build Quality
The build quality and design of each mower cater to different needs. The BLACK+DECKER Weed Eater features a convertible design that allows it to transform from a trimmer to a mower, making it ideal for smaller yards and challenging spaces. Its removable wheeled deck aids in this versatility, and it has an adjustable deck height to ensure a customized mowing experience. Conversely, the PowerSmart mower boasts a rugged 21-inch all-steel deck, designed for durability and efficiency. This mower is built to withstand tougher conditions, making it better suited for medium to large yards.
Power and Performance
In terms of power, the PowerSmart mower utilizes a 170cc 4-cycle OHV engine, offering improved cutting efficiency and easier starting compared to electric models. It also features a rear-wheel-drive system, providing excellent traction on inclines and uneven terrain. On the other hand, the BLACK+DECKER Weed Eater is equipped with PowerDrive technology, which prevents bogging and ensures smooth operation even in dense grass. While the Weed Eater excels in lightweight maneuverability, the gas-powered engine of the PowerSmart provides more power for larger mowing tasks.
Cutting Versatility
The BLACK+DECKER Weed Eater stands out for its three-in-one functionality, allowing users to switch seamlessly between a trimmer, edger, and mower. This makes it particularly effective for handling various lawn care tasks with one tool. The automatic feed spool ensures continuous operation without interruptions, which is especially beneficial for smaller yards. In contrast, the PowerSmart mower also offers three-in-one versatility with mulch, side-discharge, and rear-bag options. This feature is advantageous for users who have more extensive lawns and prefer to manage grass clippings in multiple ways.
Ease of Use
When it comes to user experience, the BLACK+DECKER Weed Eater is designed for convenience, with features that enhance comfort, such as a pivoting handle and customizable height settings. This makes it easier for users to control and maneuver the tool in tight spaces. The PowerSmart mower, while heavier at 54 lbs, incorporates a self-propelled system that allows for easier navigation across larger areas, especially on slopes. Its foldable design also saves significant storage space, making it easy to store when not in use.
Maintenance Requirements
Maintenance is a crucial factor to consider when comparing these two mowers. The BLACK+DECKER Weed Eater, being an electric model, requires less maintenance than its gas-powered counterpart. It does not necessitate oil changes or gasoline purchases, making it a lower-maintenance option for homeowners. The PowerSmart mower requires regular maintenance typical of gas engines, including oil changes and proper fuel management, which may deter some users looking for a hassle-free experience.
Pricing and Value
In terms of pricing, the BLACK+DECKER Weed Eater is priced at $169.00, which is significantly less than the PowerSmart's $339.99. This means that the Weed Eater is about 50% cheaper, making it a more accessible option for budget-conscious consumers. Despite the price difference, both mowers offer substantial value in their respective categories. The BLACK+DECKER is ideal for smaller yards and those who prioritize versatility, while the PowerSmart is suited for users needing a powerful, self-propelled mower for larger spaces.
Which should you buy?
Choosing between the BLACK+DECKER Weed Eater and the PowerSmart Self-Propelled Lawn Mower ultimately depends on your specific needs and yard size. If you have a smaller or more complex yard and require a compact, versatile tool, the BLACK+DECKER Weed Eater is the better choice, especially given its lower price point. However, if you have a medium to large yard and need a powerful, durable mower that can tackle uneven terrain, the PowerSmart is worth the investment. Both mowers have their strengths, so consider your yard care requirements carefully before making a decision.

