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BLACK+DECKER Weed Eater, Lawn Edger and Cordless vs RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah

Updated July 2026 — BLACK+DECKER Weed Eater, Lawn Edger and Cordless wins on versatility and power, RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah wins on storage and safety.

The BLACK+DECKER Weed Eater offers more versatility and functionality at a lower price, making it the better choice for varied lawn care tasks.

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

Price

BLACK+DECKER is $0.99 cheaper.

Functionality

Offers 3-in-1 capabilities.

Power

Dual battery system for continuous operation.

Why RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah is better

Weight

RB is lighter at 11.5 lbs.

Storage

Upright storage saves 70% space.

Safety

Automatic stop feature for safety.

Overall score

BLACK+DECKER Weed Eater, Lawn Edger and Cordless
85
RB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
78

Specifications

SpecBLACK+DECKER Weed Eater, Lawn Edger and CordlessRB 9" Small Lawn Mower for Small Spaces, 40V 2Ah
Price$169.00$169.99
Battery20V MAX* (2)40V 2Ah
MotorPowerDriveBrushless
Cutting Width12 inches9 inches
Functionality3-in-1Mower only

Dimension comparison

BLACK+DECKER Weed Eater, Lawn Edger and CordlessRB 9" Small Lawn Mower for Small Spaces, 40V 2Ah

Overview of BLACK+DECKER Weed Eater and RB 9" Small Lawn Mower

When comparing the BLACK+DECKER Weed Eater and the RB 9" Small Lawn Mower, both options cater to users with small spaces, yet they offer different functionalities and features. The BLACK+DECKER Weed Eater is priced at $169.00, while the RB 9" Small Lawn Mower is slightly more expensive at $169.99. This gives the BLACK+DECKER model a price advantage of about 0.6%, making it the cheaper choice for consumers.

Functionality Comparison

The BLACK+DECKER Weed Eater offers a versatile 3-in-1 functionality, allowing users to switch between a lawn mower, trimmer, and edger. This adaptability is ideal for tackling various lawn care tasks with a single tool. In contrast, the RB 9" Small Lawn Mower focuses on being a lightweight and compact mower, specifically designed for smaller lawns up to 540 sq. ft. While both products are optimized for small spaces, the BLACK+DECKER model provides more versatility with its additional trimmer and edger capabilities.

Design and Usability

In terms of design, the BLACK+DECKER Weed Eater features a convertible design with a removable wheeled deck, which allows for easy transformation into a small lawn mower. This feature is particularly beneficial for users needing a multifunctional device. Meanwhile, the RB 9" Small Lawn Mower is ultra-lightweight, weighing only 11.5 lbs without the battery, and includes one-hand steering for maneuverability in tight spaces. While the RB model emphasizes a compact design, it lacks the multifunctionality that the BLACK+DECKER provides.

Power and Performance

The BLACK+DECKER Weed Eater utilizes PowerDrive technology, which prevents bogging down in dense grass and weeds, ensuring efficient performance for various lawn tasks. It comes with two 20V MAX* Li-ion batteries that allow for continuous operation without interruptions. On the other hand, the RB 9" Small Lawn Mower is equipped with a high-speed 6000RPM brushless motor powered by a 40V 2Ah battery, making it efficient for fine mulching. Although both models are battery-powered, the BLACK+DECKER's dual battery system offers a more robust power solution, particularly for larger tasks.

Cutting Capabilities

Cutting performance is another point of differentiation. The BLACK+DECKER Weed Eater features an adjustable deck height and trimmer settings, which allow for a customizable cut based on user preference. Conversely, the RB 9" Small Lawn Mower provides three adjustable cutting heights ranging from 1.2 inches to 2 inches, which is adequate for maintaining small lawns. While both models allow for height adjustment, the BLACK+DECKER’s broader range of functionalities may better cater to varying lawn care needs.

Safety Features

Safety is prioritized in both products, but they employ different mechanisms. The RB 9" Small Lawn Mower includes an advanced safety design that automatically stops the motor if tilted beyond a certain angle, aligning with US safety standards. This feature ensures that the mower is safe for beginners and those who may be less experienced. The BLACK+DECKER Weed Eater does not specify particular safety features but emphasizes reliability through its PowerDrive technology. Customers seeking specific safety mechanisms may find the RB model more appealing.

Storage and Portability

When it comes to storage, the RB 9" Small Lawn Mower excels with its upright storage design that saves up to 70% space, along with a detachable aluminum handle. This makes it an excellent choice for those with limited storage options. In contrast, the BLACK+DECKER Weed Eater, while compact, does not highlight any specific space-saving features. Users needing to maximize limited storage space might prefer the RB model for its exceptional portability.

Which should you buy?

In conclusion, the choice between the BLACK+DECKER Weed Eater and the RB 9" Small Lawn Mower largely depends on individual needs. If versatility is a priority, the BLACK+DECKER model offers a comprehensive 3-in-1 solution at a slightly lower price of $169.00, making it suitable for various lawn care tasks. However, for those prioritizing a lightweight and compact design specifically for small lawns, the RB 9" Small Lawn Mower at $169.99 provides excellent maneuverability and space-saving storage. Ultimately, consider your specific lawn care requirements and preferences when making a decision.