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Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah vs PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc

Updated July 2026 — Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah wins on battery, PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc wins on runtime and weight.

The Greenworks 48V offers a more convenient and eco-friendly option, while the PowerSmart 21" provides reliable gas-powered performance. Ultimately, the choice depends on user preferences.

Why Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah is better

Price

Greenworks is $5 cheaper

Maintenance

Greenworks is virtually maintenance-free

Weight

Greenworks is lighter and easier to maneuver

Why PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc is better

Power

PowerSmart has a robust 144cc engine

Cutting Width

PowerSmart has a larger 21" cutting width

Safety Feature

PowerSmart includes a start/stop control lever

Overall score

Greenworks 48V 17" Cordless Lawn Mower , 4.0Ah
85
PowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
78

Specifications

SpecGreenworks 48V 17" Cordless Lawn Mower , 4.0AhPowerSmart 21" 2-in-1 Push Lawn Mower, 144cc
Power SourceCordlessGas
MaintenanceLowHigh
Cutting OptionsMulch/BagMulch/Bag
Start TypePush ButtonLever
Deck MaterialPolySteel

Dimension comparison

Greenworks 48V 17" Cordless Lawn Mower , 4.0AhPowerSmart 21" 2-in-1 Push Lawn Mower, 144cc

Overview of the Greenworks 48V and PowerSmart 21"

When comparing the Greenworks 48V and the PowerSmart 21", both lawn mowers present unique strengths suited for different user needs. The Greenworks 48V is priced at $274.91, while the PowerSmart 21" comes in slightly higher at $279.99, making the Greenworks about 2% cheaper. Each model has distinct features and operational styles that cater to various lawn care preferences.

Power Source and Runtime Comparison

The Greenworks 48V operates on a cordless system that utilizes two 24V batteries combined for a total of 48V power, providing up to 45 minutes of runtime. This makes it ideal for users who prefer the convenience of electric mowers without the hassle of gas. In contrast, the PowerSmart 21" is powered by a robust 144cc engine, delivering consistent performance and reliability for longer mowing sessions. While the Greenworks offers a battery-powered solution, the PowerSmart's engine ensures that users don't have to worry about battery life and can tackle larger areas without interruptions.

Cutting Performance and Versatility

Both mowers excel in cutting performance, each offering unique features. The Greenworks 48V sports a 17” rust-resistant deck with a 2-in-1 design that allows for both mulching and rear bagging, providing flexibility in lawn care. It also includes a single lever with five height adjustment positions to accommodate various grass lengths. On the other hand, the PowerSmart 21" has a larger 21” cutting width and a similar 2-in-1 cutting system, giving users the option to mulch or bag clippings. It also features six cutting height adjustments from 1.5 to 3.9 inches, allowing for even more customization in lawn aesthetics.

Ease of Use and Maneuverability

The Greenworks 48V is designed for ease of use, with a lightweight 17” poly deck that ensures easy maneuverability around the yard. Its collapsible handles add to its compactness for storage. Conversely, the PowerSmart 21" weighs 62 lbs, making it lightweight but still slightly heavier than the Greenworks model. Its compact design is ideal for maneuvering through tight spaces, though users might find the Greenworks easier to push due to its lighter weight.

Maintenance and Environmental Impact

When it comes to maintenance, the Greenworks 48V stands out as virtually maintenance-free, requiring no gas, oil, or emissions. This not only reduces the environmental impact but also saves users time and effort in upkeep. The push-button start and quiet operation add to its user-friendly appeal. In contrast, the PowerSmart 21" requires typical maintenance associated with gasoline engines, such as oil changes and fuel refills. While it offers powerful performance, the environmental footprint is larger, which might be a consideration for eco-conscious consumers.

User Safety Features

Safety is a key consideration in lawn care equipment, and both mowers come equipped with features designed to protect users. The Greenworks 48V ensures safety through its quiet operation and push-button start, minimizing the risk of accidents during operation. The PowerSmart 21" includes a start/stop control lever, allowing users to halt the mower instantly in case of emergencies. This feature is particularly beneficial for those with children or pets in the vicinity during lawn maintenance.

Price Comparison and Value

In terms of pricing, the Greenworks 48V is available for $274.91, while the PowerSmart 21" is priced at $279.99. The difference of about $5 makes the Greenworks slightly more attractive in terms of upfront investment. However, both mowers have comparable average prices over the last 90 days, with the Greenworks averaging $266.44 and the PowerSmart at $266.99. Given that the Greenworks has a lower price with similar average pricing trends, it may provide better long-term value.

Which should you buy?

Choosing between the Greenworks 48V and the PowerSmart 21" ultimately depends on your specific lawn care needs. If you prioritize convenience, light weight, and eco-friendliness, the Greenworks 48V is a compelling choice, especially considering its lower price and maintenance-free operation. However, if you prefer the reliability and power of a gasoline engine alongside a larger cutting width, the PowerSmart 21" may better suit your requirements. Consider your lawn size, maintenance preferences, and budget to make the best decision for your yard care needs.