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BLACK+DECKER Electric Lawn Mower, Weed Eater and vs PowerSmart Self Propelled Gas Lawn Mower 21-inch

Updated July 2026 — full head-to-head comparison.

Overview of the BLACK+DECKER Electric Lawn Mower and PowerSmart Self Propelled Gas Lawn Mower

The BLACK+DECKER Electric Lawn Mower is priced at $74.92, while the PowerSmart Self Propelled Gas Lawn Mower costs $339.99, making the electric option about 78% cheaper. This significant price difference reflects the varied design and functionality of the two mowers. The BLACK+DECKER model is a versatile 3-in-1 combo that includes a weed eater and edger, ideal for small lawns. In contrast, the PowerSmart mower is designed for larger spaces, equipped with a powerful gas engine and a 21-inch cutting deck, catering to medium-sized yards.

Power and Performance

The BLACK+DECKER Electric Lawn Mower features a 6.5 amp motor, which is sufficient for handling tough weeds and thick grass. Its POWERDRIVE transmission ensures consistent performance, making it effective for smaller tasks. On the other hand, the PowerSmart mower is powered by a 170cc OHV 4-cycle engine, delivering more cutting power and efficiency. This gas engine is designed for easy starts and improved performance, especially on uneven terrain. The difference in power sources highlights their intended uses: the electric mower is perfect for small, manageable lawns, while the gas mower excels in larger, more challenging environments.

Versatility in Lawn Care

The BLACK+DECKER Electric Lawn Mower offers multi-function convenience with its 3-in-1 capability, allowing users to mow, trim, and edge. This is particularly beneficial for homeowners who want an all-in-one solution for their lawn care. In contrast, the PowerSmart mower also provides versatility with its 3-in-1 functionality, allowing for mulching, side discharge, or rear-bagging. However, its larger 21-inch cutting deck means it can cover more ground quickly, making it more suitable for extensive mowing tasks. Both mowers cater to different user needs, emphasizing efficiency and functionality in their respective design.

Handling and Maneuverability

The BLACK+DECKER Electric Lawn Mower is lightweight and features an adjustable handle, making it easy to maneuver in compact spaces. Its design is particularly advantageous for small lawns, where precision is crucial. On the other hand, the PowerSmart mower includes a self-propelled rear-wheel-drive system, providing better traction on slopes and uneven terrain. Weighing 54 lbs, it is designed for stability during operation, which is important for larger yards. The contrasting handling characteristics of both mowers illustrate their intended use: one for tight spaces and the other for expansive, varied landscapes.

Cutting Width and Height Adjustment

With a 12-inch cutting width, the BLACK+DECKER mower is designed for precision in smaller areas. It also offers an adjustable height of up to 1.6 inches, which is adequate for maintaining small lawns. In comparison, the PowerSmart mower has a much wider 21-inch cutting deck, allowing it to cover larger areas more effectively. It features a 6-position height adjustment, ranging from 1.5 inches to 3.9 inches, giving users more control over the cutting height. The significant difference in cutting width and height options further emphasizes their different target markets: compact lawns versus extensive yards.

Maintenance and Ease of Use

The BLACK+DECKER Electric Lawn Mower features an Automatic Feed Spool (AFS) system, allowing for continuous operation without manual adjustments, enhancing user experience. Its cord management system also prevents accidental disconnects, making it easier to use without constant interruption. Conversely, the PowerSmart mower requires traditional gas maintenance but offers the convenience of a recoil starter and auto choke for easier ignition. Its foldable design saves storage space, making it user-friendly. Each mower's maintenance approach reflects its design philosophy: user-friendly electric mowing versus more robust gas-powered maintenance.

Price and Value Proposition

At $74.92, the BLACK+DECKER Electric Lawn Mower offers exceptional value for those with small lawns, particularly considering its 3-in-1 functionality. The average price over the last 90 days is slightly higher at $82.36, suggesting that the current price is competitive. In contrast, the PowerSmart mower, priced at $339.99, is aimed at users seeking a more powerful solution for larger areas. With an average price of around $338.78 over the past 90 days, it maintains a stable pricing strategy. The substantial price difference indicates that while the electric mower provides great value for smaller spaces, the gas mower justifies its higher price through enhanced power and performance capabilities.

Which should you buy?

Choosing between the BLACK+DECKER Electric Lawn Mower and the PowerSmart Self Propelled Gas Lawn Mower ultimately depends on your specific lawn care needs. If you have a small lawn and are looking for an efficient, cost-effective solution, the BLACK+DECKER model at $74.92 is an excellent choice. Its versatility, lightweight design, and ease of use make it ideal for compact spaces. However, if you manage a medium to large yard with uneven terrain, the PowerSmart mower, priced at $339.99, offers the power and features needed for more demanding tasks. Consider your lawn size, terrain, and desired functionality to make the best decision for your mowing needs.