Greenworks
Greenworks 40V 16-Inch Cordless Lawn Mower: Battery Specs
The Greenworks 40V 16" Cordless Lawn Mower is an ultra-light, battery-powered push mower designed for small-yard homeowners who want hassle-free mowing without gas, oil, or pull cords. At just 37.5 lbs with a push-button start and 45-minute runtime, it's purpose-built for flat suburban lots up to a half acre.
It fits perfectly into the Greenworks 40V platform, giving users compatibility with 75+ tools on one shared battery system.
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Last updated: . Based on our analysis of 364 lawn mowers.
What Sets It Apart
Key specification highlights based on our analysis.
Considerations
Plastic Cutting Deck
Lightweight but less durable than steel; won't rust
Why We Recommend It
- 01.
Ultra-lightweight at 37.5 lbs , easy to push, lift, and maneuver around obstacles with minimal effort
- 02.
40V 4.0Ah battery provides up to 45 minutes of runtime, sufficient for yards up to ~1/4 acre per charge
- 03.
Push-button start means zero pull-cord hassle , just press and mow
- 04.
Operates at a quiet 75dB, significantly less disruptive than gas mowers (~95dB+)
- 05.
Zero emissions and no oil changes, spark plugs, or fuel system maintenance required
Considerations
- 01.
16" cutting deck requires more passes on larger yards, making it less efficient for properties over 1/4 acre
- 02.
Plastic cutting deck, while rust-proof and lightweight, is less durable than steel decks under heavy use or impacts
- 03.
Battery charge time is 120 minutes , if runtime runs short mid-mow, you'll wait two hours to finish
Technical Specifications
| Feature | Specification |
|---|---|
| Mower Type | Push |
| Power Source | Battery |
| Cutting Width | 16" |
| Deck Material | Plastic |
| Cutting Height | 1.25" – 3.375" |
| Height Positions | 5 |
| Battery | 40V 4Ah |
| Runtime | 45 min |
| Discharge | Mulch, Bag |
| Weight | 37.5 lbs |
| Start Type | Push button |
| Noise Level | 75 dB |
| Warranty | 3 years |
Power & Performance
The 40V motor delivers reliable cutting performance for typical residential grass in normal conditions. While it won't overpower dense or overgrown turf like a higher-voltage or gas-powered unit, the 40V system handles standard cool-season and warm-season grasses cleanly on a regular mowing schedule.
Its quiet 75dB operation is a standout feature for neighborhoods with noise restrictions or early-morning mowing needs.
Cutting System
The 16-inch plastic cutting deck keeps weight low and eliminates rust concerns, though it trades some impact durability compared to steel. Five cutting height positions ranging from 1.25 to 3.375 inches cover most residential grass height preferences, and a single lever makes height adjustments quick and tool-free.
The mower supports both rear bagging and mulching discharge, giving users flexibility depending on season and grass volume.
Drive & Handling
As a push mower, all propulsion comes from the operator, which is manageable thanks to the 37.5 lb total weight , customers report it's light enough to push comfortably with one arm on flat terrain. The compact 16-inch footprint aids maneuverability around flower beds, trees, and tight corners.
However, inclines or longer mowing sessions on larger properties will require more physical effort without self-propelled assistance.
Battery / Fuel
The included 40V 4.0Ah battery provides up to 45 minutes of runtime per charge, which Greenworks rates for yards up to approximately 21,780 sq ft under ideal conditions. In practice, runtime varies with grass density and height.
The 120-minute charge time is the main planning consideration , if you underestimate your yard's demand, you'll need to schedule a mid-mow break. The battery is fully compatible with the broader Greenworks 40V platform, so existing platform users can swap batteries from other tools to extend mowing sessions.
Who Is This Mower For?
Ideal For
- ✓ Homeowners with small yards up to 1/4 acre who want clean, quiet cuts without the hassle of gas maintenance
- ✓ Eco-conscious users seeking zero direct emissions and lower noise pollution at 75dB
- ✓ Seniors or users with limited strength who benefit from the 37.5 lb lightweight design and easy one-hand push
- ✓ Existing Greenworks 40V platform owners who can share batteries across 75+ compatible tools
Not Ideal For
- ✕ Owners of large yards over 1/2 acre , the 45-minute runtime and 16" deck will require multiple charges and significantly more passes
- ✕ Properties with hilly or uneven terrain , this is a push-only mower with no self-propelled drive assist
- ✕ Users with thick, overgrown, or wet grass who need more cutting power than a 40V platform provides
This mower ships largely pre-assembled and requires no significant setup , Greenworks notes no assembly required out of the box. Simply attach the handle, insert the charged battery, and you're ready to mow.
Charge the battery fully before first use to ensure a complete 45-minute runtime session
Adjust cutting height before each session using the single-lever system to match current grass length
Greenworks backs this mower with a 3-year warranty on the tool and a separate 3-year warranty on the battery , above-average coverage for the cordless mower category. Verify specific warranty terms and registration requirements directly with Greenworks at time of purchase.
FAQ
How long does the battery last on the Greenworks 40V 16" mower?
The included 40V 4.0Ah battery is rated for up to 45 minutes of runtime per charge. In practice, this is typically sufficient for yards up to about 1/4 acre in a single session.
Thicker or taller grass will reduce runtime slightly, so mowing on a regular schedule helps maximize battery performance.
How long does it take to charge the battery?
The 40V 4.0Ah battery takes approximately 120 minutes (2 hours) to fully charge with the included charger. If your yard requires more than one charge cycle, plan for a mid-mow break.
Alternatively, Greenworks 40V batteries from other compatible tools can be swapped in to extend your mowing session without waiting.
Is the Greenworks 40V mower powerful enough for thick or long grass?
The 40V motor handles standard residential grass maintained on a regular schedule well. For thick, dense, or significantly overgrown grass, performance may be reduced and runtime shortened.
For best results, avoid letting grass grow too tall between sessions and mow when the grass is dry.
Can I use my existing Greenworks 40V batteries with this mower?
Yes , this mower is compatible with the entire Greenworks 40V battery platform, which covers 75+ tools. Any Greenworks 40V battery will work, so existing platform owners can use spare batteries to extend runtime without purchasing additional batteries separately.
Is this mower suitable for a 1/2 acre yard?
It's a stretch. Greenworks rates the mower for up to 21,780 sq ft (~1/2 acre) under ideal conditions, but the 16-inch deck means more passes, and the 45-minute runtime may fall short on a full half-acre depending on grass conditions.
For consistent half-acre mowing, a wider deck or larger battery would reduce mowing time and charging cycles.
Does the Greenworks 40V 16" mower mulch grass clippings?
Yes, the mower supports both mulching and rear bagging discharge options. Mulching returns fine clippings back into the lawn as natural fertilizer, while the rear bag collects clippings for easy disposal.
You can switch between modes based on your preference and seasonal grass volume.
Bottom Line
The Greenworks 40V 16" Cordless Lawn Mower is a well-matched tool for small-yard homeowners who want to eliminate the hassle of gas maintenance without sacrificing cutting performance on manageable turf. Its ultra-light 37.5 lb design, push-button start, and quiet 75dB operation make it one of the most user-friendly cordless mowers available.
Owners of larger or hillier properties will quickly hit its limits and should look at wider-deck or self-propelled alternatives.
Best for small flat yards under 1/4 acre where low maintenance, light weight, and quiet battery-powered operation matter most.
Consider alternatives if you have a yard over 1/3 acre, hilly terrain, or regularly deal with thick or overgrown grass that demands more power and runtime.
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