Push Mower Reviews

Cordless Lawn Mowers

Pro Rating
Final Thoughts

As far as battery-powered lawn mowers go, the Greenworks Commercial 25" Lawn Mower has a lot going for it. It's proven itself to cut through some pretty thick, deep grass and there isn't much to complain about in the overall design. It may look a little odd, even for a cordless mower, but it has the chops to get the job done. 

Overall Score 4.6 Pro Review

Greenworks Commercial 25″ Lawn Mower 82V Review


Greenworks Commercial 25″ Lawn Mower Self-Propels Hard-Working Twins

Greenworks has a lot of variety for homeowners, but if you’re looking for an option to kick the gas can on a professional level, Greenworks Commercial is for you. The Greenworks Commercial 25″ Lawn Mower and its lineup family run on at 82V and there are quite a few differences in this mower from what you see in the residential lines.

Pros

  • Ability to cut thick, deep grass
  • Outstanding runtime
  • Adjusts blade speed to the load
  • Self-propelled drive
  • Single point height adjustment
  • Two active battery ports

Cons

  • No side discharge may be an irritation for a small percentage of users

Recommendation

As far as battery-powered lawn mowers go, the Greenworks Commercial 25″ Lawn Mower has a lot going for it. It’s proven itself to cut through some pretty thick, deep grass and there isn’t much to complain about in the overall design. It may look a little odd, even for a cordless mower, but it has the chops to get the job done.

There’s still a gap to the power of gas, though. As far as we’ve seen, this model sets itself apart from others with the power and runtime to offer Pros a reasonable option when the situation calls for a walk-behind instead of a stand-on or zero turn. In case you’re wondering, Greenworks has those, too.

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Performance

Power and Speed

The Greenworks Commercial 25″ Lawn Mower uses two 12.25″ counterrotating blades to cover a 23.75″ cutting swath. Gearing keeps the blade tips from hitting each other and their rotation pulls the grass clippings into the middle for bagging.

Greenworks Commercial 25" Lawn Mower 82V Review

Using two small blades, the RPMs are quite a bit higher than most cordless mowers. We see no-load speeds anywhere from 2500 RPM to 3000 RPM or so on most single-blade cordless mowers. The Greenworks Commercial spins at nearly 3800 RPM no-load, giving the blades a 138 MPH tip speed.

While that’s a bit lower than even their 60V self-propelled mower’s 167 MPH tip speed, the blades have a much lower mass and stand a better chance at maintaining that speed in tough cuts. It also has the ability to kick up the RPMs. More on that in a second.

While Clint was at the Greenworks event in Charlotte, they cut through field grass more than 12″ tall in places and this mower was cutting it.

On a more realistic note, there’s plenty of power to handle grass that missed its regular weekly cut. When you hit higher or thicker grass, that’s when Greenworks’ “SmartCut” kicks in. It senses the increased load and kicks the RPMs up to better handle it, bringing that 167 MPH tip speed higher. When the load drops, the motor returns to its lower RPMs.

Runtime

Runtime can be an issue for some cordless lawn mowers, but you’re in pretty good shape with this model. Working with a 5.0Ah battery gives you 410Wh of energy and we measured 108 minutes of no-load runtime with the wheels at full speed.

Greenworks Commercial 25" Lawn Mower 82V Review

There’s plenty of runtime to cover a 1/4-acre lot, which is the area we’ve been testing so far. Realistically, you can expect 60–75 minutes of actual cutting time, depending on how tall and wet the grass is. If you go with two batteries, you have a pretty legitimate 2 hours of working time.

Noise

One of the major reasons to buy a cordless lawn mower is noise reduction. The Greenworks Commercial 25″ Lawn Mower generates 79 decibels on its own and kicks up a little higher while you’re cutting. It’s significantly quieter than the mid-90s of our gas mowers.

Feature Set

Single Lever Height Adjustment

Even with a steel deck and one 5.0Ah battery, this mower weighs in at 79.47 pounds. That’s well under the 90–110 pounds of gas mowers and on the heavier side for cordless. It’s not a huge surprise since it has a 25″ steel deck, though.

Greenworks Commercial 25" Lawn Mower 82V Review

Despite that, Greenworks is still able to go with a single lever height adjustment—something our heavier gas mowers forgo. Its 7 positions get you as low as 1-3/8″ or up to 3-3/4″.

Dual Port Power Supply

Plenty of mowers have two battery ports now and it’s hit or miss if the second is storage or active. Greenworks goes the more convenient route with two active ports that automatically switch, leaving you free to mow without stopping.

Greenworks Commercial 25" Lawn Mower 82V Review

Rear-Wheel Self-Propelled Drive

Rear-wheel drive lets the mower’s brushless motor system take care of most of the work for you. The speed adjustment ranges from roughly 1.1 MPH to 3.3 MPH, though there some variance in thicker grass. The top speed is high enough that I can mow as quick a pace as I want with some leftover speed to spare.

Greenworks Commercial 25" Lawn Mower 82V Review

Storage

One of the great secondary benefits of no gas and oil is the ability to stand a cordless mower up for storage. For this model, just release the handle and push it fully forward and lock it back. Then stand it up out of the way anywhere it’s convenient.

Additional Features

  • Push-button startup
  • Zero engine emissions
  • Low maintenance
  • Battery level gauges are visible through the battery doors

What’s Missing

There’s no side discharge option, just mulching and bagging. We exclusively mulch here in central Florida and run into very few people who side discharge. From our perspective, the missing side discharge isn’t a big deal.

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Price

As a bare tool, the Greenworks GMS 250 runs $549 and you’ll have a hard time finding it online for that price. Batteries and charger are sold separately. Greenworks Commercial is making their push into dealers for sales instead of online retailers. A quick glance at their dealer finder can help you find the closest one to you.

While the pricing structure seems high compared to some of the other cordless mowers out there, keep in mind that Greenworks Commercial is targeting the Pro market here. Commercial self-propelled and push mowers easily run $1000–$1200 or more, so they’re not out of line with that market.

The Bottom Line

As far as battery-powered lawn mowers go, the Greenworks Commercial 25″ Lawn Mower has a lot going for it. It’s proven itself to cut through some pretty thick, deep grass and there isn’t much to complain about in the overall design. It may look a little odd, even for a cordless mower, but it has the chops to get the job done.

There’s still a gap to the power of gas, though. As far as we’ve seen, this model sets itself apart from others with the power and runtime to offer Pros a reasonable option when the situation calls for a walk-behind instead of a stand-on or zero turn. In case you’re wondering, Greenworks has those, too.

Greenworks Commercial 25″ Lawn Mower Specifications

  • Model Number: GMS 250
  • Brushless Engine: Yes
  • Deck: Steel
  • Cutting Width: 25″
  • Cutting Height: 1-3/8″ – 3-3/4″
  • Push-Button Startup: Yes
  • Dual Cutting Blades: Yes
  • Warranty: 2-Year on batteries and tool
  • MSRP: $549 bare

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