Choosing the best 21 inch electric lawn mower is essential for achieving a perfectly manicured lawn with minimal effort. There are various types, including corded and cordless models, and the 21 inch electric lawn mower deliver powerful performance and eco-friendly operation.
A properly fitted 21 inch electric lawn mower in 2026 enhances your yard work experience by offering quiet operation and reduced maintenance. Designed to match various lawn sizes and terrains, top-rated covers offer advanced features like self-propulsion and mulching capabilities.
This guide highlights the best 21 inch electric lawn mower to help you choose the right option for your specific lawn care needs.
10 best 21 inch electric lawn mower
“Before you buy, carefully consider your lawn's size and terrain. If you need a mower for smaller, flat yards, a push model might suffice. If you have a larger yard or slopes, invest in a self-propelled 21 inch electric lawn mower with a robust battery system. Always double-check the product listing for your specific battery voltage and capacity needs and confirm compatibility with any additional chargers or accessories to avoid compatibility issues.”
best 21 inch electric lawn mower Comparison Table
| Product | Best For | Key Strength | Who It’s For | |
|---|---|---|---|---|
| Greenworks 21 inch electric lawn mower | Best For: Hassle-Free Mowing | Key Strength: Self-Propelled On Inclines | Who It's For: Medium Yard Owners | Check Price |
| Greenworks 21 inch electric lawn mower | Best For: Powerful 80V Cutting | Key Strength: Rapid Charging Battery | Who It's For: High-Performance Users | Check Price |
| WORX 21 inch electric lawn mower | Best For: Extended Runtime | Key Strength: Dual 5.0 Ah Batteries | Who It's For: Eco-Conscious Mowers | Check Price |
| EGO Power+ 21 inch electric lawn mower | Best For: Intuitive Touch Drive | Key Strength: Consistent Cutting Performance | Who It's For: Low-Maintenance Users | Check Price |
| WORX 21 inch electric lawn mower | Best For: Adaptive Intellicut Technology | Key Strength: Variable Speed Self-Propel | Who It's For: Immediate-Use Buyers | Check Price |
| MZK 21 inch electric lawn mower | Best For: Extended Run Time | Key Strength: Quiet Brushless Motor | Who It's For: Larger Yard Owners | Check Price |
| PowerSmart 21 inch electric lawn mower | Best For: Excellent Value | Key Strength: Lightweight On Inclines | Who It's For: Budget-Conscious Buyers | Check Price |
| EGO Power+ 21 inch electric lawn mower | Best For: No Emissions Operation | Key Strength: Rapid Charging Battery | Who It's For: User-Focused Owners | Check Price |
| Greenworks 21 inch electric lawn mower | Best For: Cordless Freedom | Key Strength: Push-Button Start | Who It's For: User-Friendly Operation | Check Price |
| NovorikX 21 inch electric lawn mower | Best For: Fatigue Reduction | Key Strength: Fast Charging Capability | Who It's For: Large Yard Owners | Check Price |
1. Greenworks 21 inch electric lawn mower – Affordable Pick
For homeowners seeking a powerful yet easy-to-manage electric lawn mower, the Greenworks 40V 21-Inch Self-Propelled Cordless Lawn Mower presents a compelling option. This model is designed to tackle medium-sized yards with its robust brushless motor and convenient self-propelled feature, making lawn care less of a chore. It’s an excellent choice for those looking to ditch the gas and oil hassles of traditional mowers without sacrificing performance.
What truly sets this Greenworks mower apart is its blend of user-friendly design and capable performance. The inclusion of a 5.0Ah battery and charger means you're ready to go right out of the box, and the 21-inch cutting deck offers a good balance between coverage and maneuverability. Plus, its compatibility with over 75 other Greenworks 40V tools means you can expand your outdoor power equipment ecosystem with a single battery system.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Battery | 40V 5.0Ah Lithium-Ion |
| Motor | Brushless |
| Drive System | Self-Propelled |
| Deck Material | Steel |
| Weight | Approximately 65 lbs (with battery) |
| Features | Mulching, Bagging, Side Discharge |
| Charge Time | Approximately 1 hour (for 5.0Ah battery) |
Reasons to Buy
- Eliminates the hassle of gas, oil, and pull-starts.
- Self-propelled feature makes mowing significantly easier, especially on inclines.
- 21-inch cutting deck offers efficient coverage for medium-sized yards.
- Versatile 3-in-1 cutting system adapts to your lawn care needs.
- Part of a broad 40V battery system, allowing for tool expansion.
Reasons to Avoid
- Runtime may be insufficient for very large yards without a second battery.
- Steel deck, while durable, can be heavier than composite alternatives.
2. Greenworks 21 inch electric lawn mower – Best Value
For homeowners looking to ditch the gas and embrace a cleaner, quieter lawn care routine, the Greenworks 80V 21" Self-Propelled Cordless Lawn Mower is a compelling option. This mower is designed for those with medium to large yards who want the convenience of cordless operation without sacrificing power or performance. Its self-propelled feature makes tackling inclines and larger areas significantly less strenuous, while the 21-inch cutting deck ensures efficient coverage.
What truly sets this Greenworks mower apart is its robust 80V battery system, which offers impressive runtimes and ample power to handle thick grass. Coupled with a durable brushless motor and user-friendly controls, it delivers a premium mowing experience that rivals traditional gas-powered machines, all while being more environmentally friendly and requiring less maintenance.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless |
| Cutting Width | 21 inches |
| Battery System | 80V |
| Battery Included | 4.0Ah |
| Charger Included | Rapid Charger |
| Drive System | Self-Propelled |
| Deck Material | Steel |
| Features | LED Headlights, Mulching/Bagging/Side Discharge |
Reasons to Buy
- Powerful and efficient cutting performance thanks to the 80V system and brushless motor.
- Effortless mowing experience with the variable-speed self-propelled drive.
- Long runtime and quick recharging capabilities with the 4.0Ah battery and rapid charger.
- User-friendly design with single-lever height adjustment and foldable handles for easy storage.
- Environmentally friendly operation with zero emissions and significantly reduced noise pollution compared to gas mowers.
Reasons to Avoid
- The 4.0Ah battery might be insufficient for very large yards (over half an acre) without purchasing additional batteries.
- While powerful, the cutting deck size (21 inches) may be smaller than some gas mowers, potentially leading to more passes on extremely large properties.
3. WORX 21 inch electric lawn mower – Premium Choice
For homeowners looking to ditch the gas and embrace a cleaner, quieter way to maintain their lawns, the WORX Nitro 21" Cordless Electric Lawn Mower presents a compelling option. This mower is designed for those with medium-sized yards, typically up to half an acre, who desire the convenience of battery power without sacrificing cutting performance. It offers a robust feature set, including powerful brushless motors and dual battery operation, making it a strong contender in the electric mower market.
What truly sets the WORX Nitro apart is its combination of raw power, extended runtime, and user-friendly design. It aims to deliver a mowing experience that is not only environmentally friendly but also efficient and enjoyable. With its 21-inch cutting deck and included high-capacity batteries, it promises to tackle your lawn care tasks with ease, offering a premium cordless solution for a well-manicured outdoor space.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless |
| Battery System | Dual 5.0 Ah Lithium-Ion Batteries |
| Runtime | Up to 60 minutes per charge (with both batteries) |
| Cutting Height Adjustment | 7-Position (1.5" to 4") |
| Mulching/Bagging/Side Discharge | Yes |
| Weight | 55 lbs |
| Included Accessories | 2 x 5.0 Ah Batteries, Dual-Port Charger |
Reasons to Buy
- Powerful and efficient cutting performance comparable to gas mowers.
- Extended runtime with dual 5.0 Ah batteries, suitable for medium-sized yards.
- Significantly quieter operation and zero emissions for an eco-friendly experience.
- Easy to start, use, and maintain with minimal upkeep required.
- User-friendly design with simple height adjustment and comfortable handling.
Reasons to Avoid
- Not self-propelled, which may be a consideration for very large or hilly yards.
- Battery recharge time, while reasonable, still requires planning for extended mowing sessions.
4. EGO Power+ 21 inch electric lawn mower – Budget Friendly
If you're looking to ditch the gas and embrace a cleaner, quieter way to maintain your lawn, the EGO Power+ LM2125SP Self-Propelled Cordless Electric Lawn Mower is a fantastic option. Designed for homeowners who want powerful performance without the hassle of cords or fuel, this mower offers a compelling blend of convenience and cutting capability. Its self-propelled feature with intuitive Touch Drive technology makes maneuvering around your yard a breeze, even on inclines.
What truly sets the EGO Power+ LM2125SP apart is its combination of robust battery power and smart design. The included 56V 7.5Ah battery provides ample runtime for most suburban lawns, and the rapid charger ensures you're back to mowing quickly. The Touch Drive system is a game-changer for ease of use, allowing you to effortlessly guide the mower with minimal effort. It’s an excellent choice for those seeking a premium electric mowing experience that’s both effective and enjoyable.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless |
| Drive System | Self-Propelled with Touch Drive |
| Battery | 56V 7.5Ah ARC Lithium™ |
| Charger | Rapid Charger included |
| Deck Material | Steel |
| Mulching Capability | Yes |
| Bagging Capability | Yes |
| Runtime | Up to 60 minutes (on a full charge) |
Reasons to Buy
- Effortless self-propelled operation with intuitive Touch Drive technology.
- Powerful and consistent cutting performance across various grass types.
- Long-lasting battery life with a rapid charger for minimal downtime.
- Significantly reduced maintenance compared to gas mowers.
- Quiet operation for a more pleasant mowing experience.
- Easy storage thanks to its foldable design.
Reasons to Avoid
- The initial cost can be higher than comparable gas mowers.
- For extremely large properties (over 1/2 acre), an additional battery or a second charge cycle might be necessary.
5. WORX 21 inch electric lawn mower – Top Performer
For homeowners looking to ditch the gas and embrace a cleaner, quieter lawn care experience, the WORX Nitro 21" Cordless Electric Lawn Mower is a compelling option. This self-propelled mower is designed to tackle medium to large yards with ease, offering a blend of power, convenience, and smart technology that sets it apart from many electric competitors. If you're seeking a powerful, user-friendly mower that delivers excellent results without the hassle of fuel and oil, this model deserves a close look.
What truly makes the WORX Nitro stand out is its combination of robust performance and intelligent features. The inclusion of two 5.0 Ah batteries and a charger means you're ready to go right out of the box, and the variable speed self-propel system, coupled with Intellicut technology, ensures a comfortable and efficient mowing experience tailored to your pace and grass conditions. It aims to provide the power of a gas mower with the ease and eco-friendliness of electric.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Motor Type | Brushless |
| Battery | 2 x 5.0 Ah Lithium-Ion (20V MAX) |
| Drive System | Variable Speed Self-Propelled |
| Deck Material | Steel (Aerodeck) |
| Mulching/Bagging/Side Discharge | Yes (3-in-1) |
| Charge Time | Approximately 2 hours per battery |
| Weight | 65 lbs (with batteries) |
Reasons to Buy
- Significantly quieter operation than gas mowers.
- Powerful performance with Intellicut technology for adaptive cutting.
- Variable speed self-propel system for comfortable mowing.
- Includes two 5.0 Ah batteries and a charger for immediate use and extended runtime.
- Versatile 3-in-1 cutting system (mulch, bag, side discharge).
Reasons to Avoid
- Higher initial cost compared to basic corded electric or gas mowers.
- Battery recharge time may be a limitation for very large lawns if not managed with additional batteries.
6. MZK 21 inch electric lawn mower – Recommended
For homeowners seeking a greener, quieter, and more convenient way to maintain their lawns, the MZK LM16B011 40V 16-Inch Cordless Electric Lawn Mower presents a compelling option. This walk-behind push mower is designed for those who want to ditch the hassle of gas engines, oil changes, and tangled cords, offering a straightforward and effective solution for small to medium-sized yards. Its battery-powered operation makes it an eco-friendly choice, reducing emissions and noise pollution, while still delivering the power needed for a clean cut.
What truly sets the MZK LM16B011 apart is its thoughtful inclusion of dual 4.0Ah batteries and a charger right out of the box. This means you get extended run time without interruption, allowing you to tackle larger areas or simply finish the job without needing to wait for a recharge. Combined with its user-friendly design, including easy height adjustment and a 2-in-1 mulching/bagging system, this mower aims to simplify lawn care and make it a more pleasant experience for the everyday homeowner.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless |
| Cutting Width | 16 inches |
| Battery System | 40V |
| Battery Capacity | 2 x 4.0Ah |
| Height Adjustment | 5-Position |
| Functionality | Mulching and Bagging |
| Recommended Lawn Size | Small to Medium |
| Charge Time | Approximately 2 hours per battery |
Reasons to Buy
- Dual battery system provides extended run time for larger yards.
- Brushless motor offers efficient power, quiet operation, and durability.
- Lightweight and maneuverable design with easy height adjustment.
- Low maintenance requirements compared to gas-powered mowers.
- Eco-friendly operation with zero emissions.
Reasons to Avoid
- May not be suitable for very large yards requiring more than 60-70 minutes of mowing time.
- The 16-inch cutting width might require more passes for wider lawns compared to larger mowers.
7. PowerSmart 21 inch electric lawn mower – Recommended
For homeowners seeking a reliable and straightforward way to maintain their lawns, the PowerSmart 21-Inch 3-in-1 Push Lawn Mower presents a compelling option. This mower is designed for those who appreciate simplicity and effectiveness, offering a robust 144cc engine that handles a variety of grass types and lawn sizes with ease. Its 3-in-1 functionality means you can mulch, bag, or discharge clippings, giving you the flexibility to choose the best method for your yard's needs. The lightweight design and high wheels further enhance its user-friendliness, making it a practical choice for regular lawn care.
What truly sets this PowerSmart model apart is its blend of power and maneuverability. It delivers the cutting performance you’d expect from a larger machine, yet remains surprisingly easy to push and control, even on uneven terrain. The straightforward assembly and intuitive operation mean you can get to work quickly without fuss. If you're looking for a no-nonsense mower that gets the job done efficiently and offers versatile cutting options, this 21-inch model is definitely worth considering for your garden maintenance routine.
Key Specifications
| Feature | Details |
|---|---|
| Engine | 144cc |
| Cutting Width | 21 inches |
| Functionality | Mulch, Bag, Discharge |
| Wheel Size | High rear wheels |
| Height Adjustment | 6-position |
| Weight | Lightweight design |
| Assembly | Easy |
Reasons to Buy
- Excellent value for its price point, offering robust features.
- Lightweight design makes it easy to push and maneuver, even on inclines.
- Versatile 3-in-1 functionality (mulch, bag, discharge) suits various lawn care needs.
- 144cc engine provides sufficient power for most residential lawns.
- Simple assembly and operation for quick setup and use.
Reasons to Avoid
- Not self-propelled, requiring manual pushing effort.
- May not be ideal for very large or extremely hilly properties due to its push-reel nature.
8. EGO Power+ 21 inch electric lawn mower – Recommended
If you're tired of the hassle of gas-powered mowers – the fumes, the oil changes, the pull-starts – then the EGO POWER+ LM2114 Cordless Electric Lawn Mower might be the perfect upgrade for your yard care routine. This mower is designed for homeowners who want a powerful, quiet, and easy-to-use alternative to traditional mowers, offering impressive cutting performance without the environmental impact or maintenance headaches. It's particularly well-suited for medium to large lawns where the convenience of cordless operation truly shines.
What sets the EGO POWER+ LM2114 apart is its robust 56V Arc Lithium battery system, which delivers the power you'd expect from a gas engine but with the simplicity of electric. Coupled with its 21-inch cutting deck, this mower tackles grass efficiently, mulches or bags clippings effectively, and offers multiple cutting height adjustments. It represents a significant step forward in cordless lawn care, providing a premium experience that balances performance with user-friendly design.
Key Specifications
| Feature | Details |
|---|---|
| Cutting Width | 21 inches |
| Battery System | 56V Arc Lithium |
| Included Battery | 6.0Ah |
| Charger | 320W Rapid Charger |
| Deck Material | Steel |
| Mulching/Bagging | Yes |
| Cutting Height Adjustments | 7 positions (1.5 to 4 inches) |
| Weight | Approximately 56 lbs (with battery) |
Reasons to Buy
- Powerful and quiet operation with no emissions
- Excellent cutting performance for various grass types
- Long-lasting battery life with rapid charging capabilities
- User-friendly design with easy starting, maneuverability, and storage
- Significantly reduced maintenance compared to gas mowers
Reasons to Avoid
- Higher initial cost compared to basic gas mowers
- Battery runtime may be insufficient for very large lawns (over half an acre) without a second battery
9. Greenworks 21 inch electric lawn mower – Recommended
If you're looking for a powerful and convenient way to maintain your lawn without the hassle of gas and cords, the Greenworks 80V 21" Cordless Push Lawn Mower is a fantastic option. This mower is designed for homeowners with medium-sized yards who want a reliable, eco-friendly, and easy-to-use solution for keeping their grass looking its best. Its robust 80V system delivers impressive cutting power, while the cordless design offers unparalleled freedom of movement.
What truly sets this Greenworks mower apart is its combination of strong performance, user-friendly features, and the versatility of its 80V battery platform. It tackles common lawn challenges with ease, offering a clean cut and multiple functionality options. For those seeking to upgrade from a traditional gas mower or a less powerful electric model, this machine presents a compelling blend of modern technology and practical lawn care.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless |
| Cutting Width | 21 inches |
| Battery System | 80V Lithium-Ion |
| Battery Included | 4.0Ah |
| Charger Type | Rapid Charger |
| Deck Material | Steel |
| Functions | Mulching, Bagging, Side Discharge |
| Weight | Approximately 65 lbs |
Reasons to Buy
- Powerful and consistent cutting performance thanks to the 80V brushless motor.
- Significant convenience and freedom of movement without gas or cords.
- User-friendly operation with push-button start and easy height adjustment.
- Versatile 3-in-1 cutting system (mulch, bag, side discharge).
- Part of the extensive Greenworks 80V battery ecosystem for tool compatibility.
Reasons to Avoid
- Battery life may be insufficient for very large or heavily overgrown lawns without a spare battery.
- As a push mower, it requires user effort to propel, unlike self-propelled models.
10. NovorikX 21 inch electric lawn mower – Recommended
If you're tired of the hassle of gas-powered mowers, the NovorikX 60V Self-Propelled Lawn Mower is a fantastic option for maintaining a well-kept yard. This 21-inch cordless electric mower is designed for homeowners with medium to large lawns who are seeking a powerful, convenient, and eco-friendly alternative. Its self-propelled feature makes tackling inclines and extended mowing sessions significantly less strenuous, while the brushless motor ensures efficient power and longevity.
What truly sets the NovorikX apart is its blend of robust performance and user-friendly design. It offers the cutting power you'd expect from a gas mower without the noise, fumes, or messy maintenance. The inclusion of a 5.0Ah battery and rapid charger means you can get back to mowing quickly, making it a practical choice for busy homeowners who value both efficiency and a pristine lawn.
Key Specifications
| Feature | Details |
|---|---|
| Motor Type | Brushless DC |
| Cutting Width | 21 inches |
| Battery Voltage | 60V |
| Battery Capacity | 5.0Ah |
| Drive System | Self-Propelled |
| Deck Material | Steel |
| Weight | 65 lbs |
| Charge Time | Approximately 60 minutes (with rapid charger) |
Reasons to Buy
- Powerful and efficient cutting performance with a 21-inch steel deck.
- User-friendly self-propelled system reduces fatigue on inclines and large yards.
- Fast charging with the included rapid charger minimizes downtime.
- Low maintenance requirements compared to gas mowers.
- Eco-friendly operation with no emissions.
Reasons to Avoid
- The 5.0Ah battery might be insufficient for extremely large yards (over 1/3 acre) without a second battery.
- Higher initial cost compared to basic gas or corded electric mowers.
Our Top Picks for the best 21 inch electric lawn mower
Here are our top 3 picks based on performance, versatility, and user satisfaction for maintaining your lawn.
Wrap Up the best 21 inch electric lawn mower
Choosing the right product depends on your priorities—cutting width, battery life, or ease of use. For beginners, lightweight options make learning fun and safe. For enthusiasts, premium models deliver exceptional results. There's a perfect option for every budget.
Consider your purpose first: casual use, content creation, or professional work. The best 21 inch electric lawn mower we reviewed offer solid value and features. Investing wisely ensures a rewarding experience for years to come.
FAQs Regarding 21 inch electric lawn mower
What is the best 21 inch electric lawn mower for a small yard?
For a small yard, a lighter push mower with a 21-inch deck is usually sufficient. Look for models with good battery life and easy maneuverability.
How long do these electric lawn mowers typically run on a single charge?
Battery life varies significantly by model and battery capacity. Expect anywhere from 30 to 60 minutes of runtime on a full charge for most 21-inch models.
Do affordable 21 inch electric lawn mower have self-propelled features?
Some budget-friendly models offer a push-only operation, while others may include a basic self-propelled function. It's important to check the specifications for this feature.
Are these electric lawn mowers good for mulching grass clippings?
Many 21 inch electric lawn mower are designed with mulching capabilities. Look for models that explicitly state they are 3-in-1 or offer mulching as a cutting option.
What features are most important for a 21 inch electric lawn mower?
Key features include cutting width, battery voltage and capacity, self-propelled capability, and grass clipping management (mulching, bagging, or discharge).
Can I use an electric lawn mower for tall grass?
While most electric mowers handle typical lawn heights well, very tall or thick grass might require a more powerful model with a higher voltage battery and a robust motor.
How do I maintain my electric lawn mower for longevity?
Keep the mower clean, especially the deck and blades. Store batteries in a cool, dry place and follow the manufacturer's charging recommendations.
Are there any environmental benefits to using an electric lawn mower?
Yes, electric lawn mowers produce zero direct emissions, making them an environmentally friendly alternative to gasoline-powered mowers.
