Product Review: Greenworks 40V 21″ Cordless Brushless Push Mower, 4.0Ah + 2.0Ah USB Batteries and Charger Included
Introduction
If you’re searching for a quieter, low-maintenance alternative to gas mowers, the Greenworks 40V mower line is a top contender. This review covers the Greenworks 40V 21″ Cordless Brushless Push Mower, a lightweight 21 inch cordless mower that comes as a bundle with a 4.0Ah battery, 2.0Ah USB battery and charger included. It’s positioned for homeowners who want the convenience of a battery powered mower without sacrificing cutting performance.
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What is this product?
The Greenworks 21 inch mower in this review is a cordless brushless push mower designed for small to medium lawns. It’s a cordless brushless mower with dual battery ports and automatic switch-over for extended run-times, making it a reliable 40V push mower option. The model ships with a 4.0Ah battery for mowing and a 2.0Ah USB battery pack that can charge your mobile devices—an uncommon but useful feature for weekend gardeners.
Quick Specs
- Deck size: 21 inches
- Power: 40V brushless motor
- Batteries included: 4.0Ah + 2.0Ah USB
- Run-time: Up to 70 minutes (combined)
- Height adjustment: Single lever, 7 positions (1-3/8″ to 3-3/4″)
- Wheels: 10″ rear, 8″ front
- Warranty: 3 years
Key Features
Below are the most notable features pulled from the official listing:
- Power Source Type: Battery Powered with dual battery ports and automatic switch-over for longer uninterrupted run-times.
- Height Adjustment: Single lever 7-position control, 1-3/8 in. to 3-3/4 in.
- Easy Maneuverability: 10 in. rear wheels and 8 in. front wheels help negotiate uneven terrain and tight spaces.
- USB Port: 2.0Ah battery includes a USB port to charge phones and tablets—great for extended lawn sessions.
- Run-Time: Up to 70 minutes combined run-time with fully charged 4.0Ah and 2.0Ah batteries (varies by grass and technique).
Detailed Description
The Greenworks 40V 21 inch cordless brushless push mower with 4.0Ah battery delivers a balance of power and practicality. The brushless motor offers better efficiency and longer life compared to brushed motors, while the 21-inch deck covers more ground per pass than smaller battery mowers. The mower includes a 4-in-1 cutting system—mulching, bagging, side discharge, and rear discharge—which makes it versatile for different turf and yard conditions.
Performance & Runtime
With a combined runtime of up to 70 minutes using the included 4.0Ah and 2.0Ah batteries, this cordless lawn mower 40V is suitable for typical suburban lawns. The dual-battery ports with automatic switch-over reduce interruptions, which is especially helpful when you’re managing a mid-sized yard. Use the turbo boost button for thick or damp grass where a little extra torque helps maintain blade speed.
Convenience Features
- USB battery pack included: The 2.0Ah USB battery doubles as a power bank—handy for charging a phone or tablet while working outdoors.
- Low maintenance: No oil changes, spark plugs, or fuel mixing—this electric push mower stays simpler to maintain than gas alternatives.
- Compact storage: Foldable handle and a lightweight frame make it easy to store in a garage or shed—ideal if you need a compact 21 inch cordless mower for tight spaces.
Pros and Cons
Pros
- Quiet brushless operation — less noise compared to gas mowers and many electric models.
- Dual batteries and auto switch-over — extends run-time without manual swapping.
- USB battery pack — unique accessory that doubles as a power bank.
- 4-in-1 versatility — mulching, bagging, side and rear discharge.
- Lightweight and maneuverable — great for small to medium lawns and tight spaces.
Cons
- Run-time depends on grass conditions; heavier lawns may reduce the quoted 70 minutes.
- No self-propel option — this is a push mower, so it requires some physical effort.
- Replacement batteries (higher Ah) can add to the overall cost if you need extended runtime regularly.
Who Should Buy This Product
This brushless push mower is ideal for homeowners who want an eco-friendly, low-maintenance alternative to gas. Consider this model if you:
- Have a small to medium suburban lawn and want a quiet brushless electric mower for small yards.
- Value convenience features like a Greenworks mower with 2.0Ah USB battery pack included to charge devices outdoors.
- Prefer a lightweight 21 inch battery powered push mower for medium lawns that’s easy to store.
- Are searching to buy Greenworks 40V mower with batteries and charger included (no separate battery purchase required).
Comparison with Similar Products
Compared to other 40V models, this Greenworks mower stands out for the included USB battery and the dual battery auto switch-over. Some competing Greenworks 40V mower and third-party models may offer self-propel or larger batteries, but often at higher price points. If you want a compact, low maintenance electric push mower for suburban lawns without the added weight or complexity of self-propel systems, this model hits the sweet spot.
- Vs. smaller 20-inch battery mowers: The 21-inch deck covers slightly more ground per pass and is better for mid-sized yards.
- Vs. larger 22- or 24-inch mowers: Those may offer faster mowing but are heavier and less maneuverable in tight spaces.
- Vs. gas mowers: This model is quieter, cleaner, and requires less maintenance, though it may have less instantaneous power for extremely dense turf.
Frequently Asked Questions
How long does the battery last?
Greenworks quotes up to 70 minutes of combined run-time with the included 4.0Ah and 2.0Ah batteries. Real-world runtime will vary based on grass height, density, and operator technique.
Is a charger included?
Yes — the package includes a charger and both batteries, so you can mow right away. If you’re looking for a mower with batteries and charger included, this bundle fits that buyer intent.
Where can I buy this mower?
You can buy Greenworks 40V mower models and check for Greenworks cordless mower deals on Amazon and other major retailers. If you’re looking for the best price Greenworks 40V or want to compare Greenworks mower bundle with charger options, Amazon often lists discounts and bundles.
Final Verdict
The Greenworks 40V mower 21″ cordless brushless push mower is a solid choice for homeowners who want a dependable, low-noise, and low-maintenance mower. With dual batteries, an included charger, and a USB battery pack, it offers practical features that meet the needs of small to medium suburban lawns. If you want to buy Greenworks 40V mower with batteries included and avoid separate battery purchases, this model is worth considering.
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Note: If you’re searching for Greenworks 21 inch mower for sale or exploring Greenworks brushless mower buy online options, check the product page for current pricing, discounts, and potential financing offers.