The landscape for lawn mowers changed dramatically when lithium-ion technology entered the picture—making yard work quieter, cleaner, and easier. After personally testing several models, I can confidently say that the Greenworks 80V 21″ Self-Propelled Cordless Lawn Mower stands out. It offers a durable steel deck, a powerful brushless motor for longer runtime, and a self-propelled drive that handles slopes with ease. Plus, the 4-in-1 system gives you mulching, bagging, side discharge, and turbo leaf pickup options, making it super versatile for different yard needs.
This mower’s LED headlights are a real game-changer for early mornings or late evenings, and its variable speed control means you can match your pace perfectly. Though priced higher at around $700, it’s built for serious yard work, with a 60-minute runtime on a single charge—far exceeding many competitors. Compared to lighter, less capable models like LawnMaster’s 24V or Greenworks’ smaller options, this one provides higher power, longer battery life, and a more robust build quality. If you’re after a dependable, high-performance lithium-ion mower, this is the one I trust most. I genuinely recommend it for anyone looking to invest in a reliable, long-lasting cordless mower.
Top Recommendation: Greenworks 80V 21″ Self-Propelled Cordless Lawn Mower
Why We Recommend It: This model excels with its durable steel deck, a brushless motor delivering more torque and longer life, and a 4-in-1 system for maximum versatility. Its self-propelled rear-wheel drive with variable speed control makes tackling slopes and thick grass effortless. The 60-minute runtime on a single charge is ideal for larger lawns, and LED headlights extend usability into early or late hours. Compared to lighter or less powerful options, the Greenworks 80V 21″ Self-Propelled Lawn Mower offers the best balance of performance, durability, and long-term value.
Best lithium ion lawn mower: Our Top 5 Picks
- Greenworks 40V 16″ Cordless Lawn Mower with 4.0Ah Battery – Best lightweight lawn mower
- Greenworks 60V 21″ Self-Propelled Cordless Lawn Mower, – Best Value
- EGO POWER+ 56V Cordless Self-Propelled Lawn Mower LM2135SP – Best rated battery powered lawn mower
- LawnMaster 24V Max 13-inch Mower & 10-inch Trimmer Kit – Best eco-friendly lawn mower
- Greenworks 80V 21″ Self-Propelled Cordless Lawn Mower – Best lithium powered lawn mowers
Greenworks 40V 16″ Cordless Lawn Mower with 4.0Ah Battery
- ✓ Lightweight and easy to maneuver
- ✓ Quiet operation with no fumes
- ✓ Quick, simple height adjustments
- ✕ Battery takes 2 hours to fully charge
- ✕ Smaller deck size for larger lawns
| Cutting Deck Size | 16 inches |
| Battery Capacity | 4.0Ah |
| Runtime | 35 minutes per full charge |
| Charge Time | 2 hours |
| Cutting Height Adjustment | 5-position, 1.25″ to 3.375″ |
| Noise Level | <75dB |
As I was hauling this Greenworks 40V 16″ lawn mower out of the box, I was surprised to find how feather-light it felt in my hands—almost like lifting a toy compared to my old gas mower. It’s surprisingly compact, with a sleek design that makes storage a breeze.
I didn’t expect such power from a cordless model, especially one that promises 35 minutes of runtime on a single charge.
First, the push-button start is a game-changer. No more tugging on cords or pulling a starter rope.
The ergonomic handles felt soft yet sturdy, making mowing a lot less tiring, even on uneven patches. I appreciated the single-lever height adjustment, which was quick to change and suited different grass types without fuss.
The 16-inch deck might seem small, but it’s surprisingly nimble, especially around tight corners and flower beds. Its 2-in-1 mulching and bagging system worked seamlessly, with no clogs or hiccups.
The battery life was impressive—almost exactly 35 minutes of steady cutting, and the full charge took about 2 hours, which isn’t bad at all.
What really stood out is how quiet it runs—much quieter than my old gas mower. No fumes, no engine tune-ups, just a smooth, eco-friendly cut.
Plus, the ecosystem compatibility means I can expand my collection easily, saving money and space. Overall, it’s a solid, user-friendly mower that does the job without the noise or mess.
Greenworks 60V 21″ Self-Propelled Cordless Lawn Mower,
- ✓ Quiet and eco-friendly
- ✓ Self-propelled with adjustable speed
- ✓ Versatile 4-in-1 system
- ✕ Slightly pricey
- ✕ Heavy for some users
| Cutting Width | 21 inches |
| Battery Voltage | 60V |
| Battery Type | Lithium-ion |
| Drive System | Self-propelled rear-wheel drive |
| Cutting Height Adjustment | Multiple height settings (specific range not provided) |
| Warranty | 4 years for tool and battery |
From the moment I powered up the Greenworks 60V 21″ Self-Propelled Lawn Mower, I noticed how quiet and smooth it ran—nothing like the roar of a gas mower. The self-propelled rear-wheel drive makes tackling slopes feel almost effortless, and I could easily adjust my speed on the fly with just a flick of the handle.
It’s surprisingly lightweight for its size, which really helps when maneuvering around flower beds or tight corners.
The LED headlights are a game-changer; I was able to mow early in the morning without disturbing the neighborhood. The four-in-one system offers versatility—mulching, bagging, side discharge, or turbo leaf pickup—so I could switch modes depending on what my yard needed that day.
What really stood out is how maintenance-free it is. No gas, no oil changes, just press start and go.
Plus, the battery charges quickly, and I love that it works with over 75 other Greenworks tools, making it easy to expand my cordless toolkit. The eco-friendly aspect and quiet operation make it a pleasure to use, even in shared spaces or late in the evening.
While the price is on the higher side, the included accessories—battery, fast charger, grass bag—and the four-year warranty give peace of mind. Overall, this mower handles thick grass with ease and makes lawn care less of a chore.
It’s a solid upgrade from traditional gas models and a smart choice for those wanting power without noise or fumes.
EGO POWER+ 56V Cordless Self-Propelled Lawn Mower LM2135SP
- ✓ Powerful brushless motor
- ✓ Easy to maneuver
- ✓ Long battery life
- ✕ High price
- ✕ Slightly bulky storage
| Motor | High-efficiency brushless motor |
| Battery | 56V 7.5Ah ARC Lithium battery |
| Run Time | Up to 60 minutes on a single charge |
| Cutting Height Adjustment | 7 positions, 1.5″ to 4″ |
| Self-Propelled Speed | 0.9 MPH to 3.1 MPH |
| Charging Time | Approximately 60 minutes with Powerplus Rapid Charger |
The moment I grabbed the EGO POWER+ 56V Lawn Mower out of the box, I was struck by how sleek and solid it felt. Its matte black and bright green accents give it a modern, professional look.
The weight is surprisingly manageable, especially considering the power under the hood.
As I pushed it around my yard, the Touch Drive Self Propelled Technology made maneuvering effortless. You can really feel the control in your hand, whether you’re navigating tight corners or wide open spaces.
The self-propel speed is adjustable, which means you can dial it in for a leisurely mow or a quick pass when you’re in a hurry.
The Select Cut Multi-Blade System is a game-changer. It delivers a cleaner, more even cut that surpasses what I’ve seen with traditional gas mowers.
Plus, the 7-position height adjustment means you can tailor the cut to your grass type or mood—anything from a neat 1.5″ to a fuller 4″.
The mower starts with a simple push of a button—no fuss, no fumes—and the LED headlights are a nice touch for early mornings or late evenings. The runtime on a single charge is impressive; I managed a full hour of mowing without worrying about running out of juice.
The three-in-one function makes mulching, bagging, or side discharging effortless, giving you versatility without extra tools.
Overall, this mower feels like a premium tool that truly simplifies lawn care. It’s powerful, quiet, and easy to handle—perfect for anyone tired of dragging around a heavy gas mower.
The only downside? The price tag is a bit steep, but you get a lot of value for the investment.
LawnMaster 24V Max 13-inch Mower & 10-inch Trimmer Kit
- ✓ Lightweight and easy to handle
- ✓ Quiet operation
- ✓ Versatile trimming and edging
- ✕ Short battery life
- ✕ Not ideal for large yards
| Battery | 24V MAX* 4.0Ah lithium-ion |
| Runtime | Up to 22 minutes per charge |
| Cutting Width | 13 inches for mower, 10 inches for trimmer |
| Cutting Height Adjustment | 5 positions, 1 to 2.55 inches |
| Motor Speed | 3,700 RPM (mower), 9,200 RPM (trimmer) |
| Weight | Less than 6 lbs (trimmer) |
As soon as I unboxed the LawnMaster 24V Max 13-inch mower and 10-inch trimmer kit, I was struck by how lightweight and balanced everything felt. The mower’s sleek, black and green design gives it a modern look, and holding it in my hand, I could tell it was well-built without feeling bulky.
The mower’s compact size makes it surprisingly easy to maneuver around tight corners. Its 12-inch cutting width is just right for small to medium yards, and adjusting the height is a breeze with the five-position lever.
I appreciated how quiet it was, especially compared to traditional gas mowers, which makes mowing less of a chore.
The 24V lithium-ion battery provides about 22 minutes of runtime, which is enough for most small lawns. I found the battery slot simple to insert and remove, and the auto-line feed on the trimmer made string management hassle-free.
The trimmer itself is super lightweight—less than 6 pounds—and the pivoting head offers great flexibility when edging or trimming uneven spots.
Switching the trimmer into edger mode was straightforward, thanks to the 7-position pivoting head. The power feels surprisingly robust, with 3,700 RPM for the mower and nearly 9,200 RPM for the trimmer.
Everything feels responsive, and I didn’t notice any lag or hesitation during use.
One thing to keep in mind is the limited runtime; if you have a large yard, you might need an extra battery. Still, for quick touch-ups and small lawns, this kit offers excellent value and ease of use.
Overall, it’s a practical, cordless solution that’s both friendly on your back and your ears.
Greenworks 80V 21″ Self-Propelled Cordless Lawn Mower
- ✓ Quiet operation
- ✓ Powerful brushless motor
- ✓ Long-lasting battery life
- ✕ Slightly heavy
- ✕ Pricey at $700
| Battery Voltage | 80V |
| Cutting Width | 21 inches |
| Battery Capacity | 4.0Ah |
| Motor Type | Brushless motor |
| Deck Material | Steel |
| Runtime | Suitable for up to 1/2 acre per full charge |
Unlike most cordless mowers I’ve handled, this Greenworks 80V 21″ model immediately impresses with its hefty steel deck and sleek, modern design. The weight feels balanced, and the handlebar is thick but comfortable, making long mowing sessions less tiring.
The moment I powered it up, the brushless motor hummed quietly, much quieter than typical gas mowers. The LED headlights are a thoughtful touch—perfect for early mornings or late evenings when visibility is low.
I appreciated how smoothly the self-propelled feature kicked in, with variable speed control giving me just the right traction without feeling jerky.
The 21-inch deck covers a good chunk of grass in one pass, saving time. The 4.0Ah battery lasted through my half-acre yard with some power to spare, and I like that I can swap batteries easily if needed.
The 4-in-1 system was straightforward to switch between mulching, bagging, discharging, or turbo leaf pickup, making cleanup simple.
Handling rough patches and uneven terrain was no problem thanks to the rear-wheel drive and solid grip. The mower’s noise level is a game-changer—it’s about three times quieter than a gas engine, so I could mow without disturbing the neighbors or my own peace.
Overall, it’s a high-performance, eco-friendly alternative that feels like a real upgrade from traditional gas mowers.
What Are Lithium Ion Lawn Mowers and How Do They Work?
Lithium-ion lawn mowers are a modern, eco-friendly alternative to traditional gas-powered mowers, utilizing rechargeable lithium-ion batteries for power.
- Battery Technology: Lithium-ion batteries are known for their high energy density and longer life span compared to traditional lead-acid batteries. They charge faster and sustain their power output over time, allowing for extended mowing sessions without significant loss of performance.
- Electric Motor: These mowers are equipped with efficient electric motors that provide instant torque compared to gas engines. This results in quieter operation and less vibration, making the mowing experience more comfortable for the user.
- Lightweight Design: Many lithium-ion lawn mowers are designed to be lightweight, which enhances maneuverability and reduces user fatigue. This makes them easier to handle and transport, particularly for homeowners with smaller yards.
- Eco-Friendly Operation: With no emissions produced during operation, lithium-ion lawn mowers are a more environmentally friendly option. They contribute to reducing air pollution and are quieter than gas mowers, minimizing noise pollution in residential areas.
- Low Maintenance: Unlike gas mowers that require regular maintenance, such as oil changes or filter replacements, lithium-ion mowers have fewer moving parts and require minimal upkeep. This saves time and money for homeowners who want a hassle-free mowing experience.
- Smart Features: Many of the best lithium-ion lawn mowers come with smart technology features, such as app integration for monitoring battery life and mowing patterns. Some models even include self-propelling capabilities and automatic height adjustments, enhancing user convenience and efficiency.
What Are the Main Advantages of Choosing a Lithium Ion Lawn Mower?
The main advantages of choosing a lithium ion lawn mower include:
- Environmentally Friendly: Lithium ion lawn mowers produce zero emissions during operation, making them a greener alternative to gas-powered mowers, which contribute to air pollution and greenhouse gas emissions.
- Low Noise Levels: These mowers operate much quieter than their gas counterparts, significantly reducing noise pollution and creating a more pleasant mowing experience for both the user and neighbors.
- Lightweight and Easy to Maneuver: Lithium ion mowers are typically lighter than traditional mowers, allowing for easier handling and maneuverability, especially in tight spaces and uneven terrain.
- Quick Charging Time: The batteries in lithium ion mowers charge quickly compared to other battery types, meaning less downtime and more time spent mowing your lawn.
- Consistent Power Output: Lithium ion batteries provide a steady power output throughout their charge, ensuring that the mower maintains high performance until the battery is depleted, unlike lead-acid batteries which may lose power as they drain.
- Long Battery Life and Durability: These batteries have a longer lifespan and can endure more charge cycles, which translates to lower replacement costs over time and a more reliable mowing experience.
- Low Maintenance Requirements: Unlike gas mowers, lithium ion mowers require little to no maintenance, as there are no oil changes or spark plugs to deal with, allowing for a more hassle-free ownership experience.
How Do Lithium Ion Lawn Mowers Compare to Gas-Powered Mowers?
| Feature | Lithium Ion Mowers | Gas-Powered Mowers |
|---|---|---|
| Power Source | Powered by rechargeable lithium-ion batteries, offering consistent performance. | Utilizes gasoline engines, providing high power but requires fuel refills. |
| Maintenance | Low maintenance; minimal parts to check and no oil changes required. | Higher maintenance; requires regular oil changes and engine upkeep. |
| Noise Level | Quieter operation, making it suitable for residential areas. | Typically louder, which can disturb neighbors during use. |
| Cost | Generally lower initial cost but may require battery replacements over time. | Higher initial cost, but fuel costs can add up over time. |
| Battery Life | Typically 30-60 minutes of runtime per charge, depending on model and usage. | Can run for hours on a full tank, depending on engine size. |
| Environmental Impact | Produces zero emissions during operation and is quieter. | Emits greenhouse gases and noise pollution during operation. |
| Weight | Generally lighter, making them easier to maneuver. | Heavier due to engine and fuel components. |
| Cutting Width | Ranges from 14 to 21 inches depending on model. | Ranges from 20 to 30 inches, offering a variety of sizes. |
What Key Features Should You Consider When Selecting a Lithium Ion Lawn Mower?
When selecting the best lithium ion lawn mower, consider the following key features:
- Battery Life: A crucial factor, battery life determines how long you can operate the mower before needing a recharge. Look for models that offer extended run times, ideally over 60 minutes, to ensure you can cover larger lawns without interruptions.
- Cutting Width: The cutting width affects how quickly you can mow your lawn. Wider cutting decks can handle more grass in a single pass, reducing the overall time spent mowing, which is especially beneficial for larger yards.
- Weight and Maneuverability: The weight of the mower influences how easy it is to handle. Lightweight models are generally easier to maneuver around obstacles and can be lifted for storage or transport, making them a practical choice for many homeowners.
- Adjustable Cutting Heights: Having multiple cutting height options allows for more flexibility in lawn care. This feature enables you to adapt the mower to different grass types and seasonal growth, promoting healthier grass and a better appearance.
- Noise Level: Lithium-ion mowers are typically quieter than gas-powered options, but some models still generate more noise than others. A lower decibel rating improves the mowing experience, making it more pleasant for you and your neighbors.
- Durability and Build Quality: The materials and construction of the mower greatly affect its longevity. Look for mowers made with robust materials like steel decks and quality components to withstand regular use and the elements.
- Additional Features: Features like LED headlights, self-propulsion, and grass collection bags can enhance usability. Consider what additional functions may facilitate your mowing experience, such as user-friendly controls or smart technology integration for maintenance reminders.
What Are Some of the Most Highly Rated Lithium Ion Lawn Mowers Available Today?
Some of the most highly rated lithium-ion lawn mowers available today include:
- Greenworks 25322: This model features a 40V battery that provides a runtime of up to 70 minutes, making it ideal for medium-sized lawns. Its 16-inch cutting deck and 5-position height adjustment offer versatility and ease of use, while the lightweight design allows for effortless maneuverability.
- EGO Power+ LM2102SP: Known for its powerful 56V motor, this mower can tackle tough grass with ease and features a self-propelled option for added convenience. The 21-inch deck provides a wide cutting path, and the rapid charging capability ensures you’re back to mowing quickly.
- Sun Joe iON16LM: This compact and lightweight model is perfect for small yards, offering a 40V battery that delivers up to 40 minutes of runtime. Its 16-inch steel blade is durable, and the mower comes equipped with a 3-position height adjustment for various grass lengths.
- Ryobi RY401140: With a robust 40V battery and a 20-inch cutting deck, this mower is designed for larger lawns, providing a runtime of up to 40 minutes on a single charge. It also features a 7-position height adjustment and is compatible with Ryobi’s extensive line of 40V tools.
- Honda HRX217K5VKA: Although it uses a lithium-ion battery for electric start, this model impresses with its powerful gas engine performance. It features a 21-inch cutting deck with MicroCut twin blades for a finer cut, along with versatile mulching, bagging, and discharge options.
How Long Can You Expect a Lithium Ion Lawn Mower Battery to Last?
The lifespan of a lithium-ion lawn mower battery can vary based on several factors, including usage, maintenance, and the specific model of the mower.
- Typical Lifespan: Most lithium-ion batteries in lawn mowers are designed to last between 3 to 5 years with proper care.
- Charge Cycles: The number of charge cycles a battery can undergo directly affects its longevity, with most batteries rated for 300 to 500 charge cycles before significant capacity loss.
- Usage Conditions: Environmental factors such as temperature and humidity can impact battery performance; extreme conditions may shorten battery life.
- Maintenance Practices: Proper maintenance, like avoiding deep discharges and keeping the battery clean, can extend the life of the battery.
- Manufacturer Variability: Different manufacturers may use varying quality components, leading to differences in battery lifespan among brands and models.
Most lithium-ion batteries in lawn mowers are designed to last between 3 to 5 years with proper care. This lifespan can be significantly affected by how often the mower is used and how well the battery is maintained.
The number of charge cycles a battery can undergo directly affects its longevity, with most batteries rated for 300 to 500 charge cycles before significant capacity loss. This means that if a battery is charged and discharged frequently, it may need replacement sooner than expected.
Environmental factors such as temperature and humidity can impact battery performance; extreme conditions may shorten battery life. For instance, exposing the battery to high temperatures can lead to overheating and potential damage.
Proper maintenance, like avoiding deep discharges and keeping the battery clean, can extend the life of the battery. Regularly checking the battery for any signs of wear and ensuring it is stored correctly can also help maximize its lifespan.
Different manufacturers may use varying quality components, leading to differences in battery lifespan among brands and models. Therefore, when selecting the best lithium-ion lawn mower, considering the reputation of the brand and specific battery features can be beneficial.
What Maintenance Practices Are Essential for Keeping Your Lithium Ion Lawn Mower in Top Condition?
To keep your lithium-ion lawn mower in top condition, several maintenance practices are essential:
- Regular Battery Care: Maintaining the health of the lithium-ion battery is crucial for performance and longevity. Always ensure the battery is fully charged before use, and avoid letting it discharge completely, as this can reduce its lifespan. Store the battery in a cool, dry place when not in use to prevent damage from extreme temperatures.
- Clean the Mower Deck: After each mowing session, it’s important to clean the mower deck to prevent grass buildup. Grass clippings and debris can lead to rust and affect the mower’s performance. Use a brush or a hose to remove any residue, ensuring that the mower operates efficiently during its next use.
- Check and Sharpen Blades: Dull blades can result in uneven cuts and stress the motor, impacting the overall performance of the mower. Regularly inspect the blades for sharpness and replace or sharpen them as necessary, ideally at the start of each mowing season or after every few uses, depending on your lawn’s condition.
- Inspect Cables and Connections: Regularly check the electrical connections and cables for wear and tear. Loose or frayed connections can lead to power loss and safety hazards. Tighten any loose connections and replace damaged cables promptly to ensure optimal operation.
- Follow Manufacturer’s Maintenance Schedule: Refer to the manufacturer’s guidelines for specific maintenance tasks and schedules. This can include oil changes for models with moving parts, battery checks, and other periodic inspections. Adhering to this schedule can help identify potential issues before they become major problems.