BLACK+DECKER 20-Inch Corded Electric Lawn Mower vs Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah
Updated July 2026 — BLACK+DECKER 20-Inch Corded Electric Lawn Mower wins on runtime and weight, Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah wins on motor power.
The BLACK+DECKER mower offers better power and runtime, while the Greenworks provides cordless convenience. Choose based on your lawn care needs.
Why BLACK+DECKER 20-Inch Corded Electric Lawn Mower is better
Power
BLACK+DECKER has a 13 Amp motor.
Runtime
BLACK+DECKER offers unlimited runtime.
Cutting Modes
BLACK+DECKER has 3-in-1 cutting versatility.
Why Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah is better
Weight
Greenworks is lighter and easier to maneuver.
Maintenance
Greenworks is virtually maintenance-free.
Cordless
Greenworks offers cordless operation.
Overall score
Specifications
| Spec | BLACK+DECKER 20-Inch Corded Electric Lawn Mower | Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah |
|---|---|---|
| Power | 13 Amp | 48V (24V x 2) |
| Cutting Modes | 3-in-1 | 2-in-1 |
| Height Adjustment | 7 settings | 5 positions |
| Bag Type | Fabric | Rear bag |
| Maintenance | Low | Virtually none |
Dimension comparison
Overview of the Products
The BLACK+DECKER 20-Inch Corded Electric Lawn Mower is currently priced at $259.00, while the Greenworks 48V Cordless Lawn Mower costs $274.91. This makes the BLACK+DECKER about 6% cheaper than the Greenworks mower. Both mowers offer unique features aimed at delivering effective lawn care, but they cater to different preferences and needs. The BLACK+DECKER model is designed for those who prefer a reliable corded option, while the Greenworks model targets users seeking the convenience of cordless operation.
Power and Performance
The BLACK+DECKER mower is equipped with a robust 13 Amp motor, providing ample power for cutting through thick grass and overgrowth. This high-output motor ensures consistent performance, which is essential for maintaining a well-groomed lawn. In contrast, the Greenworks mower utilizes a dual battery system, offering a total of 48V from two 24V batteries. It delivers up to 45 minutes of runtime, making it suitable for lawns of moderate size. While both mowers are effective, the BLACK+DECKER’s corded nature offers unlimited runtime as long as it is plugged in, unlike the limited battery life of the Greenworks mower.
Cutting Versatility
The BLACK+DECKER mower shines with its 3-in-1 cutting capability, allowing users to mulch, bag, or side discharge grass clippings. This versatility is complemented by its 7-setting height adjustment, which ranges from 1-1/2 inches to 4 inches, providing significant flexibility for various lawn types. The Greenworks mower also offers versatility with a 2-in-1 design for mulching and rear bagging, along with a single lever for 5-position height adjustments. While both models provide adaptability for different mowing needs, the BLACK+DECKER’s additional cutting mode gives it a slight edge in this category.
Design and Build Quality
The BLACK+DECKER features an EdgeMax deck design that allows for close-up cutting near edges and borders, minimizing the need for trimmers. It also includes a 13-gallon fabric grass bag, which makes it easy to determine when it’s full. The Greenworks mower boasts a lightweight 17-inch poly deck, designed for easy maneuverability. Though both designs prioritize ease of use, the BLACK+DECKER's edge-cutting capability provides a more comprehensive solution for users concerned with lawn aesthetics.
Maintenance and Convenience
Maintenance is a significant factor for many lawn mower users. The BLACK+DECKER mower requires minimal upkeep thanks to its electric motor, which eliminates the need for gas or oil changes. It features a push-button start for added convenience. The Greenworks mower is marketed as virtually maintenance-free as well, with no gas, no oil, and no emissions. However, the reliance on batteries may require occasional charging and replacement, introducing a different form of maintenance compared to the corded electric option.
Runtime and Battery Life
When it comes to runtime, the GREENWORKS mower offers up to 45 minutes of operation on a full charge, which can vary based on grass conditions and user technique. This makes it suitable for small to medium-sized lawns. In contrast, the BLACK+DECKER mower, being corded, has the advantage of unlimited runtime as long as it is plugged in, making it ideal for larger lawns or extended mowing sessions. Users who prefer longer, uninterrupted mowing sessions may lean towards the BLACK+DECKER for this reason.
Price Comparison
The BLACK+DECKER mower is priced at $259.00, while the Greenworks mower is priced at $274.91. This puts the BLACK+DECKER at about $15.91 cheaper, making it a more economical choice for budget-conscious consumers. The price difference, approximately 6%, may be a deciding factor for those considering similar features and performance. While both products are competitively priced within the lawn mower market, the cost savings from the BLACK+DECKER could make it more appealing for those who want to maximize value.
Which should you buy?
Ultimately, the choice between the BLACK+DECKER 20-Inch Corded Electric Lawn Mower and the Greenworks 48V Cordless Lawn Mower comes down to personal preferences and specific lawn care needs. If you prioritize power and unlimited runtime, the BLACK+DECKER offers significant advantages, particularly for larger lawns and those who prefer a corded option. However, if convenience and maneuverability are more important to you, the Greenworks mower provides a lightweight design and cordless operation, albeit with a limited runtime. Consider your lawn size, mowing habits, and whether you prefer the reliability of a corded mower or the freedom of a cordless option when making your decision.

