Product Review: PowerSmart 40V 21" Cordless Lawn Mower, Up to 1/4 Acre, 2 x 40V 4.0Ah Batteries and a Charger Included, 6-Position Height Adjustment
Introduction
If you’re looking to buy a reliable, low-maintenance mower for small to medium yards, the PowerSmart 40V lawn mower is worth a close look. This review covers performance, features, and real-world fit for homeowners who want a quiet, efficient cutting solution. Whether you searched for the 40V cordless mower, a 21 inch lawn mower, or a compact cordless push mower, you’ll find the information you need to decide if this is the best choice for your lawn.
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What is this product?
The PowerSmart 40V 21 inch mower is a battery-powered, brushless-motor push mower designed for suburban lawns up to 1/4 acre. It ships as a complete package with two 40V 4.0Ah batteries, a charger, a grass collection bag, and a manual. This electric lawn mower 40V is positioned as an easy-start, low-noise alternative to gas models and offers a 21" steel deck for durability and a quality cut.
Key Features
- 2 X 40V 4.0Ah Batteries Powered Cordless Lawn Mower: Two batteries double runtime to handle up to 1/4 acre. One battery covers ~1/8 acre. The quick-swap design minimizes downtime.
- Sturdy & Quiet: 21" steel deck beats plastic for longevity and cutting consistency. The brushless motor runs quieter than gas models for neighborhood-friendly mowing.
- Quick Start & Lightweight: Battery-powered instant start, lightweight handling, and less maintenance compared to gas-powered mowers.
- Multifunctional: Single-lever 6-position height adjustment (1.5" to 3.9") plus 2-in-1 mulch or rear bag collection options.
- What’s Included: 21" push lawn mower, 2 x 40V 4.0Ah batteries, charger, grass collection bag, and manual. Backed by a 2-year service plan and lifetime tech support.
Detailed Description
The PowerSmart 40V lawn mower is designed for convenience. The dual 40V batteries give you flexibility: use one for quick jobs or both for a full cut on a 1/4 acre property. The 21 inch lawn mower steel deck is rugged and cuts wide enough to make mowing efficient while still easy to push and store. The brushless motor improves efficiency and reduces noise and vibration, which makes this model an appealing quiet battery mower for suburban lawns up to quarter acre.
Height adjustment is simple with a single lever offering six positions, from 1.5" to 3.9". That makes it an easy start PowerSmart cordless push mower with adjustable cutting heights for different grass types and seasons. The 2-in-1 design lets you switch between mulching and bagging clippings depending on your yard care preference. Overall, it’s a user-friendly option for homeowners who want to avoid gas maintenance: no carburetor cleaning, no oil changes, and no pull-start hassle.
Pros and Cons
Pros
- Dual-battery system: 2 x 40V 4.0Ah batteries extend runtime for larger small yards (up to 1/4 acre).
- Quiet electric operation: Brushless motor reduces noise — great for early morning or neighborhood mowing.
- Low maintenance: No gas, oil, or spark plugs.
- Durable deck: Steel 21" deck provides a clean cut and longer life than plastic alternatives.
- Adjustable cutting heights: 6-position height adjustment (1.5"–3.9").
- Complete package: Batteries, charger, bag, and support included.
Cons
- Runtime limits: While two batteries cover up to 1/4 acre, large or tall, heavy grass may require a recharge or slower pace.
- No self-propel: This is a push mower, so on steep lawns it requires more effort than a self-propelled model.
- Battery weight: Twin batteries add weight to the system compared to single-battery offerings, but they provide the needed runtime.
Who Should Buy This Product
This mower is aimed at homeowners who want a dependable battery powered lawn mower for small to medium yards. If you want to buy PowerSmart cordless mower specifically for quiet operation, low upkeep, and the convenience of dual batteries, this model fits well. It’s also suitable for those hunting for a cheap cordless lawn mower 21 inch alternative to higher-priced brands without sacrificing core features like a steel deck and adjustable heights.
Good candidates:
- Owners of suburban yards up to 1/4 acre or smaller.
- People wanting an eco-friendly alternative to gas mowers.
- Those looking for a PowerSmart 21 inch mower for sale with batteries included.
Comparison with Similar Products
Compared to other 40V cordless mower options, the PowerSmart stands out for shipping with two 40V 4.0Ah batteries and a charger, which is not always standard. Many competitors offer single-battery kits or plastic decks; the steel 21" deck and included accessories make this model compelling for the price-conscious buyer.
If you’re weighing the best 40V cordless mower to buy, note that premium brands may offer self-propel features, larger batteries, or longer warranties. The PowerSmart competes well on value — especially if you want a dual battery 40V mower for small yards that’s ready to run out of the box.
Frequently Asked Questions
How long will the batteries last?
Runtime depends on grass length and terrain. With moderate grass, one 4.0Ah battery covers about 1/8 acre; two batteries together are designed for up to 1/4 acre. The quick-swap setup makes recharging and rotation easy.
Is this a self-propelled mower?
No — this is a cordless push mower. It’s lightweight and easy to maneuver on flat or gently sloped lawns but not self-propelled.
Can I mulch with this mower?
Yes. The mower offers a 2-in-1 design for mulching or bagging clippings, and the lever allows you to set cutting height from 1.5" to 3.9".
Final Verdict
For homeowners searching for a dependable, affordable electric lawn mower 40V, the PowerSmart 40V 21" cordless lawn mower delivers great value. It pairs a durable steel deck and brushless motor with the convenience of two included batteries and simple height adjustments. If you need a quiet, easy-start solution for yards up to 1/4 acre — without the fuss of gas — this is a strong candidate.
Looking for alternative mower types or more in-depth gas mower comparisons? Check our Gas Powered Lawn Mower review and our full electric mower guide for more options and buying advice.