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BLACK+DECKER Weed Eater, Lawn Edger and Cordless vs Greenworks 40V 17" Cordless Lawn Mower – Brushless

Updated July 2026 — BLACK+DECKER Weed Eater, Lawn Edger and Cordless wins on sales rank, Greenworks 40V 17" Cordless Lawn Mower – Brushless wins on price and runtime.

The BLACK+DECKER Weed Eater is a budget-friendly option with versatile functionality, while the Greenworks 40V Lawn Mower offers superior performance and a longer warranty.

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

Price

BLACK+DECKER is $110 cheaper

Versatility

3-in-1 functionality for mowing, trimming, and edging

Compact Design

Ideal for smaller yards and challenging spaces

Why Greenworks 40V 17" Cordless Lawn Mower – Brushless is better

Power

Brushless motor for better performance

Runtime

Up to 35 minutes on a single charge

Warranty

3-year warranty for tool and battery

Overall score

BLACK+DECKER Weed Eater, Lawn Edger and Cordless
75
Greenworks 40V 17" Cordless Lawn Mower – Brushless
85

Specifications

SpecBLACK+DECKER Weed Eater, Lawn Edger and CordlessGreenworks 40V 17" Cordless Lawn Mower – Brushless
Motor TypeBrushedBrushless
Battery2 x 20V1 x 4.0Ah
Cutting HeightsAdjustable6 Heights
WeightLightweightModerate
Noise LevelHigherLower

Dimension comparison

BLACK+DECKER Weed Eater, Lawn Edger and CordlessGreenworks 40V 17" Cordless Lawn Mower – Brushless

Overview of BLACK+DECKER Weed Eater and Greenworks 40V Lawn Mower

When comparing the BLACK+DECKER Weed Eater and the Greenworks 40V Lawn Mower, both offer unique features tailored for different gardening needs. The BLACK+DECKER model is priced at $169.00, while the Greenworks model is available for $279.99. This represents a price difference of about 65%, positioning the BLACK+DECKER as a more budget-friendly option for users looking for functionality without a hefty price tag.

Design and Functionality

The BLACK+DECKER Weed Eater features a convertible design that allows it to transform into a small lawn mower, making it ideal for challenging spaces such as smaller yards and slopes. With its three-in-one functionality, users can easily switch between a push mower, trimmer, and edger, providing versatility in lawn care. In contrast, the Greenworks 40V Lawn Mower boasts a powerful brushless motor that offers quiet operation and eliminates the need for gas or cords. It also provides a 2-in-1 feature for mulching or bagging, which is perfect for users who want to maintain a clean finish in their yard.

Power and Performance

Regarding power and performance, the GREENWORKS model features a brushless motor that provides more torque and a longer motor life while being 30% quieter than gas mowers. This model offers up to 35 minutes of runtime on a single charge, making it suitable for small to medium yards. On the other hand, the BLACK+DECKER Weed Eater employs PowerDrive technology, which helps prevent bogging down in dense grass and weeds. This ensures efficient performance during tough mowing tasks, making it reliable for users who may encounter overgrowth.

Ease of Use

Ease of use is a significant consideration when choosing a lawn mower. The BLACK+DECKER Weed Eater is designed for convenience with its automatic feed spool, which allows for continuous operation without interruptions for line adjustments. This feature is particularly beneficial for users who want to avoid the hassle of frequent maintenance. Meanwhile, the Greenworks model includes a lightweight 17-inch steel deck, making it easy to maneuver around the yard. Its adjustable cutting heights allow users to tackle various grass types effortlessly, enhancing the overall user experience.

Battery and Runtime

Battery performance is critical for cordless lawn mowers. The BLACK+DECKER Weed Eater includes two 20V MAX* Li-ion batteries, which provides ample power for various lawn tasks. However, the runtime specifics are not detailed. Conversely, the Greenworks 40V Lawn Mower comes with a 4.0Ah battery, which guarantees up to 35 minutes of runtime per charge. This distinction may sway users based on how long they typically need to mow their lawns.

Warranty and Reliability

Warranty offerings can significantly influence consumer confidence. The BLACK+DECKER Weed Eater comes with a 2-year limited warranty, providing a reasonable assurance of reliability. In comparison, the Greenworks 40V Lawn Mower offers a more generous warranty of three years for both the tool and the battery. This extended warranty may appeal to users looking for long-term reliability and support, especially given the higher price point of the Greenworks product.

Sales Rank and Market Position

In terms of market performance, the BLACK+DECKER Weed Eater has a sales rank of 13,782, indicating moderate popularity among buyers. The Greenworks 40V Lawn Mower, however, enjoys a better sales rank of 5,110, suggesting it is a more sought-after option among consumers. This difference in sales rank may reflect varying consumer preferences, with the Greenworks model appealing to those willing to invest more for advanced features.

Which should you buy?

Ultimately, the decision between the BLACK+DECKER Weed Eater and the Greenworks 40V Lawn Mower comes down to individual needs and budget. If you are looking for a more affordable option with versatile functionality, the BLACK+DECKER Weed Eater at $169.00 could be the right choice, especially for smaller yards and challenging spaces. However, if you prioritize performance, quieter operation, and extended warranty support, the Greenworks 40V Lawn Mower at $279.99 may offer better value for your investment. Each model has its strengths, and understanding your specific lawn care requirements will guide you toward the best choice.