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STEELITE 21V 13-Inch Brushless Electric Lawn vs Sun Joe Corded Electric Dethatcher & Scarifier

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

Overview of the Products

When comparing the STEELITE 21V 13-Inch Brushless Electric Lawn Mower and the Sun Joe Corded Electric Dethatcher & Scarifier, both products are priced equally at $139.99. However, they serve distinctly different purposes in lawn care. The STEELITE mower is designed for cutting grass, while the Sun Joe is a dethatcher and scarifier aimed at maintaining lawn health. Understanding these differences is crucial for determining which tool best fits your gardening needs.

Performance and Power

The performance of these two products showcases their unique strengths. The STEELITE mower features a powerful brushless motor that delivers strong torque, operates quietly, and has a longer lifespan, making it perfect for small to mid-sized lawns. In contrast, the Sun Joe is equipped with a robust 12-amp motor, allowing it to cover a 12.6-inch-wide path efficiently. While the mower excels in cutting grass, the dethatcher enhances lawn health by aerating the soil, showing that each product is optimized for its specific function.

Cutting and Dethatching Capabilities

The cutting capabilities of the STEELITE mower are impressive, with a 13-inch deck that allows for easy maneuverability, especially in tight spaces. It offers a convenient 5-level height adjustment, letting users customize their lawn's appearance with ease. On the other hand, the Sun Joe dethatcher and scarifier also features a 5-position height setting, allowing for tailored depth control during use. This enables it to provide precise care for different grass types, demonstrating how both tools excel in their respective areas.

Runtime and Efficiency

For those considering runtime, the STEELITE mower operates on a 21V 4.0Ah battery, offering up to 25 minutes of continuous use. This is sufficient for small to mid-sized yards, but users needing longer runtimes can purchase an additional battery for extended use. In contrast, the Sun Joe model is corded, which means it doesn’t have a runtime limitation but does require access to a power outlet. This makes the Sun Joe a potentially more efficient option for larger areas, where the mower's battery life might fall short.

Ease of Use and Maneuverability

In terms of ease of use, the STEELITE mower is lightweight at only 20.5 lbs, making it easy to lift, steer, and store. This is particularly beneficial for users with smaller yards or those who may struggle with heavier equipment. Conversely, the Sun Joe, while not as lightweight, is designed for heavy-duty lawn care and offers features like a detachable 8-gallon collection bag for easy cleanup. Each product, therefore, caters to different user preferences regarding weight and ease of operation.

Maintenance and Cleanup

Maintenance and cleanup differ significantly between the two products. The STEELITE mower has a 2-in-1 design that allows for mulching or bagging, giving users flexibility in how they manage grass clippings. Its easy-to-remove grass bag is designed for quick emptying and cleaning. The Sun Joe’s design focuses on efficient debris removal through its detachable 8-gallon collection bag, which simplifies the cleanup process after dethatching. Both products offer user-friendly features that minimize maintenance efforts.

Price and Value

Both products are priced at $139.99, making them equally accessible in terms of budget. However, the STEELITE mower has a higher average price over the last 90 days at $174.93, suggesting it may have been seen as a more premium option among consumers. The Sun Joe, with an average price of $149.98, presents a more consistent value proposition over time. Despite their equal current pricing, potential buyers should consider the distinct functionalities each product offers when assessing value.

Which should you buy?

Ultimately, the choice between the STEELITE mower and the Sun Joe dethatcher depends on your specific lawn care needs. If you require a tool primarily for cutting grass, the STEELITE mower is the better option due to its maneuverability and powerful motor. However, if your focus is on lawn maintenance and promoting healthy growth through aeration, the Sun Joe dethatcher stands out with its effective scarifying capabilities and ease of debris removal. Both products offer excellent features tailored to their functions, ensuring that either choice will serve you well in maintaining your yard.