Best Ryobi 40 Volt Lawn Mower (2026)

Maintaining a tidy lawn requires reliable gear, and after evaluating the current lineup, the ryobi 40 volt lawn mower series stands out for its balance of power and convenience. Whether you are managing a small urban patch or a larger suburban plot, these cordless units offer a cleaner alternative to gas-powered tools.

When selecting the right model, I focused on battery capacity and motor efficiency. The 40V Lawn Mower Cordless 16“ is a standout for general maintenance, while the 40V 18" Cordless Lawn Mower offers a step up in cutting deck width for those who need to cover ground more quickly.

The transition to battery-operated equipment is a practical choice for most homeowners. I have analyzed the specs of these units to help you determine which model aligns with your specific lawn size and storage constraints.

Quick Picks for Best Ryobi 40 Volt Lawn Mower

	Best Overall	40V Lawn Mower Cordless 16“	Deck Width: 16 inch	Battery Capacity: 5.0Ah	Motor Type: Brushless	View Latest Price	Read Review
	Best Budget	40V 6.5Ah Battery and Charger Kit	Deck Width: Not listed	Battery Capacity: 6.5Ah	Motor Type: Not listed	View Latest Price	Read Review
	Best Premium	40V 18" Cordless Lawn Mower	Deck Width: 18 inch	Battery Capacity: 10.0Ah total	Motor Type: Brushless	View Latest Price	Read Review
	Best Compact	PWR CORE 40 Brushless 20-Inch Mower	Deck Width: 20 inch	Battery Capacity: 6.0Ah	Motor Type: Brushless	View Latest Price	Read Review
	Best Brushless	18-inch 40V Brushless Lawn Mower	Deck Width: 18 inch	Battery Capacity: 5.0Ah	Motor Type: Brushless	View Latest Price	Read Review
	Best Value	40V (2 x 20V) 16" Electric Mower	Deck Width: 16 inch	Battery Capacity: 4.0Ah	Motor Type: Not listed	View Latest Price	Read Review
	Most Portable	40V 16in Push Lawn Mower	Deck Width: 16 inch	Battery Capacity: 4.0Ah	Motor Type: Not listed	View Latest Price	Read Review
	Runner Up	40V 16" Cordless Lawn Mower Kit	Deck Width: 16 inch	Battery Capacity: 4.0Ah + 2.0Ah	Motor Type: Not listed	View Latest Price	Read Review

After evaluating these top-tier models, it is clear that selecting the right mower depends heavily on your specific landscape layout and the density of your garden plantings.

How We Compared Best Ryobi 40 Volt Lawn Mower

We compared the product-listing details available for each option, including the stated use, design, and notable features. Availability and specifications can change, so confirm the current listing details before buying.

Product Comparison: Best Ryobi 40 Volt Lawn Mower (2026)

1. 40V Lawn Mower Cordless 16“

   
   
   
   Best Overall
   View Latest Price
   • Cutting Heights6
   • Best forGeneral maintenance
   • StandoutBrushless efficiency

   The 40V Lawn Mower Cordless 16“ stands out due to its efficient brushless motor and versatile height settings. It is designed to handle routine grass cutting with ease.

   This model is ideal for homeowners who prioritize a lightweight machine that does not sacrifice cutting performance. It is well-suited for standard residential lawns.

   In my evaluation of the specifications, the 5.0Ah battery provides a solid foundation for consistent power delivery across the lawn.

   The trade-off is the 16-inch deck, which may require more passes on larger lawns compared to wider models.

2. 40V 6.5Ah Battery and Charger Kit

   
   
   
   Best Budget
   View Latest Price
   • Kit TypeBattery/Charger
   • Best forBudget-conscious buyers
   • StandoutHigh capacity battery

   This kit is a practical choice for those who already have a mower and need extra runtime. The 6.5Ah battery is a significant capacity upgrade.

   It is perfect for users who want to extend their mowing time without stopping to recharge frequently.

   Reviewing the data, this provides a higher capacity than many standard kits, offering more value for extended sessions.

   Because this is primarily a power kit, it lacks the specialized features of a dedicated mower unit.

3. 40V 18" Cordless Lawn Mower

   
   
   
   Best Premium
   View Latest Price
   • Function2-in-1 Mulch/Bag
   • Best forLarger yards
   • StandoutDual battery system

   The 40V 18" Cordless Lawn Mower is a premium choice for those needing extra width and power. The dual-battery setup ensures you have enough energy for larger areas.

   It is designed for users who want a professional cut with the convenience of a brushless, battery-powered system.

   My assessment of the specs shows that the 18-inch deck significantly reduces the number of passes required.

   The primary trade-off is the heavier weight associated with a larger deck and dual battery configuration.

4. PWR CORE 40 Brushless 20-Inch Mower

   
   
   
   Best Compact
   View Latest Price
   • Charger150W
   • Best forQuick storage
   • StandoutFast charging

   The PWR CORE 40 Brushless 20-Inch Mower is a compact powerhouse. It features a wide 20-inch deck, which is excellent for covering ground efficiently.

   This unit fits well for homeowners who need a high-performance mower that is easy to maneuver in tight spaces.

   Based on the provided data, the included 150W charger is a highlight for minimizing downtime between tasks.

   The trade-off is that the 20-inch deck requires a bit more storage space than the 16-inch alternatives.

5. 18-inch 40V Brushless Lawn Mower

   
   
   
   Best Brushless
   View Latest Price
   • Heights6-Position
   • Best forGarden yards
   • StandoutLightweight build

   The 18-inch 40V Brushless Lawn Mower offers a great balance of maneuverability and cutting width. It is built for efficiency in varied garden landscapes.

   This mower is ideal for those who want a lightweight machine that is easy to push around obstacles.

   I evaluated the specs and noted the 6-position height adjustment, which allows for versatile cutting across different grass types.

   One trade-off is that the lightweight design may feel less robust than heavier, metal-deck models.

6. 40V (2 x 20V) 16" Electric Mower

   
   
   
   Best Value
   View Latest Price
   • PortabilityHigh
   • Best forSmall yards
   • StandoutPortable frame

   The 40V (2 x 20V) 16" Electric Mower is a value-driven option that utilizes a dual-battery approach. It is highly portable and lightweight.

   This is a perfect fit for apartment dwellers or those with small yards who need a simple, reliable tool.

   My review of the features confirms that the 6-height adjustment is a helpful inclusion for varied yard conditions.

   A notable trade-off is the 4.0Ah battery capacity, which is lower than some of the premium brushless models.

7. 40V 16in Push Lawn Mower

   
   
   
   Most Portable
   View Latest Price
   • KitIncludes charger
   • Best forTight storage
   • StandoutCompact size

   The 40V 16in Push Lawn Mower is designed for maximum portability. Its compact footprint makes it a breeze to store in a crowded shed.

   It is best for users who prioritize space-saving equipment without needing heavy-duty motor specs.

   I analyzed the specifications and found it to be a straightforward, no-nonsense tool for basic lawn maintenance.

   The trade-off is the limited deck width and battery capacity, which may not suit larger, thicker lawns.

8. 40V 16" Cordless Lawn Mower Kit

   
   
   
   Runner Up
   View Latest Price
   • BonusIncludes trimmer/blower
   • Best forComplete kit seekers
   • StandoutAll-in-one package

   The 40V 16" Cordless Lawn Mower Kit is an excellent runner-up because it provides a complete yard care solution, including a string trimmer and leaf blower.

   This is ideal for new homeowners who need to build their tool collection from scratch.

   My assessment of the kit shows that having multiple batteries (4.0Ah and 2.0Ah) adds significant flexibility to your outdoor work.

   The trade-off is that individual components may not be as high-spec as standalone professional-grade tools.

What to Look for in Best Ryobi 40 Volt Lawn Mower

Deck Width and Maneuverability

When selecting a ryobi 40 volt lawn mower, the deck width is the most critical factor for navigating around raised beds and tight garden paths. A 16-inch or 18-inch model excels in small-space growing environments where precision is required to avoid damaging irrigation lines or delicate perennials. Wider 20-inch decks provide faster coverage for open lawns but can struggle with the intricate geometry of modern garden designs. Consider how closely you need to mow to the edge of your soil contact areas; a narrower deck often allows for tighter turns and less hand-trimming with a string trimmer. Prioritize a mower that balances deck size with the physical footprint of your garden layout to ensure you are not sacrificing maneuverability for raw speed.

Battery Compatibility and Runtime

The 40V battery ecosystem is the backbone of your lawn care workflow, so ensure your chosen unit is compatible with high-capacity packs like the 6.5Ah battery. For larger yards, having a secondary battery is essential to prevent mid-mow downtime, especially when dealing with thick grass that drains power faster. Look for kits that include the rapid charger, which significantly reduces wait times between sessions. Since these batteries are interchangeable across other tools like blowers and hedge trimmers, investing in a robust 40V system creates a cohesive power infrastructure for your entire garden. Always verify that the battery housing is sealed against moisture, as outdoor debris and accidental irrigation spray can pose risks to electrical components if the seals are compromised or poorly designed.

Brushless Motor Efficiency

Opting for a brushless motor in your ryobi 40 volt lawn mower is a non-negotiable upgrade for serious gardeners. Brushless technology significantly increases torque, which is vital when mowing through damp grass or thick patches near garden borders where soil moisture is higher. These motors generate less heat and friction, leading to a longer lifespan and quieter operation, which is a major benefit if you live in a dense neighborhood. By automatically adjusting power output based on the resistance of the grass, these motors extend the runtime of your battery, ensuring you can finish the job without needing a recharge. This efficiency is particularly noticeable when navigating uneven terrain or slopes where the mower must work harder to maintain a consistent blade speed.

Cutting Height Adjustments

A versatile cutting height range is essential for maintaining lawn health throughout the changing seasons. Look for a mower that offers a single-point height adjustment lever, allowing you to transition quickly between short cuts for a manicured look and higher settings for late-season growth or overseeding. For those with raised-bed gardens, the ability to lift the mower deck high is crucial to prevent the blade from clipping the edges of wooden or stone borders. A good mower should offer at least seven height positions, typically ranging from 1.5 to 4 inches. Maintaining a higher grass profile during dry summer months helps retain soil moisture, protecting the root systems of your lawn from harsh heat and reducing the need for excessive irrigation cycles.

Mulching vs. Bagging Capabilities

The choice between mulching and bagging depends on your soil health strategy. Mulching is highly recommended for organic gardeners because it returns vital nutrients and nitrogen back into the soil, acting as a natural fertilizer. However, if your lawn is prone to thatch buildup or you are dealing with invasive weeds, bagging is the better option to prevent the spread of seeds and debris. Ensure the mower has an easy-to-use discharge chute and a high-capacity bag that is simple to attach and detach. If you have a complex garden with many irrigation zones, mulching is often preferred as it keeps the clippings localized, preventing them from clogging up drip irrigation emitters or covering up small vegetable starts in adjacent garden rows.

Storage and Portability

Small-space growing often means limited shed or garage space, making the folding handle feature of modern mowers a game-changer. Look for a ryobi 40 volt lawn mower that can be stored vertically, which reduces its footprint by nearly 70 percent. This design allows you to reclaim valuable floor space for storing other essential tools like garden carts, hoses, or potting benches. Additionally, consider the weight of the unit; a lighter mower is much easier to maneuver around raised beds and is less likely to compact the soil in your garden paths. Check for ergonomic handles that adjust to your height, as this reduces physical strain during long mowing sessions, especially when navigating around obstacles that require frequent changes in direction and pace.

Build Quality and Durability

Investing in a mower with a durable, impact-resistant deck is essential for long-term reliability. Avoid models that feel flimsy, as the constant vibration of the motor and potential contact with garden edging can lead to stress fractures over time. Look for steel or high-grade reinforced composite decks that can withstand the occasional bump against a stone border or garden bed. Pay attention to the quality of the wheels; ball-bearing wheels provide a smoother roll and are less likely to seize up after exposure to moisture or mud. A robust build ensures that your mower remains a reliable part of your garden maintenance routine for years to come, preventing the need for frequent repairs or premature replacement of the entire unit.

Frequently Asked Questions

Can I use my existing 40V batteries with a new mower?

Yes, the Ryobi 40V system is designed for cross-compatibility across their entire line of outdoor power equipment. If you already own a 40V battery from a blower or trimmer, it will physically fit and power the mower. However, for optimal performance and runtime, it is highly recommended to use the higher-capacity batteries, such as the 6.5Ah or 7.5Ah versions. Using a smaller 2Ah battery may result in significantly shorter runtimes and could cause the mower to struggle in thick or wet grass, potentially triggering an automatic thermal shutdown to protect the battery cells.

How does a 40V mower handle damp grass near irrigation zones?

Brushless 40V mowers are specifically engineered to handle the increased load of damp grass. The intelligent motor controller detects the extra resistance caused by moisture and automatically increases the torque to maintain consistent blade speed. This prevents the mower from stalling or leaving uneven clumps on your lawn. When mowing near irrigation zones, ensure your grass is not saturated to the point of standing water, as this can still lead to clumping. Always clean the underside of the deck after mowing damp areas to prevent the buildup of organic matter that can corrode the housing.

Is a 40V mower powerful enough for a large, thick lawn?

A 40V mower is more than capable of handling large, thick lawns, provided you choose a brushless model and have sufficient battery capacity. For larger properties, the key is having two fully charged batteries on hand so you can swap them out without interrupting your flow. If your lawn is exceptionally thick, consider mowing at a slightly higher height setting to reduce the load on the motor. This approach not only preserves battery life but also promotes healthier grass growth by leaving more leaf surface area to absorb sunlight and retain essential soil moisture.

How do I store my mower in a small garden shed?

Many modern Ryobi 40V models feature a vertical storage design that is ideal for small spaces. To store the mower vertically, simply fold the handle down and lock it into place using the integrated quick-release levers. Once folded, you can tip the mower onto its rear end, ensuring the battery has been removed first for safety. This vertical orientation allows you to tuck the mower into a corner of your shed, freeing up significant floor space for other gardening essentials like irrigation supplies, planters, or hand tools, keeping your workspace organized and efficient.

Does the mower come with a mulching plug?

Most Ryobi 40V lawn mower kits include a dedicated mulching plug that can be inserted into the rear discharge chute. Using this plug transforms the mower into a mulching machine, which finely chops grass clippings and returns them to the lawn as a nutrient-rich mulch. This is an excellent practice for maintaining soil health in your garden, as it provides a natural source of nitrogen. If you prefer to bag your clippings, simply remove the plug and attach the included grass collection bag, which is useful when you need to clear debris or prevent weed seeds from spreading.

How often should I sharpen the mower blade?

For optimal cutting performance, you should inspect and sharpen your mower blade at least once per season, or more frequently if you notice the tips of your grass turning brown or looking shredded. A dull blade tears the grass rather than cutting it, which leaves the lawn vulnerable to disease and pests. If you frequently mow near stone-edged garden beds or raised planters, you may encounter accidental contact with hard surfaces, which can nick the blade. Keep a spare blade on hand so you can swap it out quickly, ensuring your mower is always ready to provide a clean, healthy cut.

Are these mowers safe to use around raised garden beds?

Yes, these mowers are quite safe around raised beds, but caution is required. The compact design of the 16-inch and 18-inch models allows for precise navigation, but always maintain a safe distance from the edges to avoid damaging the bed materials or your plants. If you have irrigation lines running near the edges of your beds, be mindful of their placement to prevent the mower deck from catching or severing them. Using the mower's side-discharge or bagging feature can also help direct clippings away from your vegetable or flower beds, keeping your garden soil clean and free of unwanted grass debris.

What is the warranty coverage for these mowers?

Ryobi typically provides a multi-year warranty on their 40V outdoor power equipment, which covers both the tool and the battery against manufacturing defects. It is important to register your product online immediately after purchase to ensure you have full access to support and warranty claims. The warranty generally covers motor, deck, and electrical components under normal residential use. Always keep your proof of purchase in a safe place, as you will need it to verify your warranty status if you ever encounter an issue that requires professional repair or part replacement.

How do I clean the deck after mowing?

Cleaning the deck is vital for maintaining the efficiency of your mower. After each use, remove the battery and use a plastic scraper or a stiff brush to remove any grass buildup from the underside of the deck. Avoid using a high-pressure water hose directly on the motor housing, as this can force water into sensitive electrical components. Instead, use a damp cloth to wipe down the exterior and a brush for the underside. Keeping the deck clear of debris ensures that the airflow remains unobstructed, which is critical for effective mulching and bagging performance.

Can I use this mower for tall, overgrown weeds?

While the 40V mower is designed primarily for lawn grass, it can handle tall, overgrown weeds if you approach the task correctly. Start by setting the mower to its highest height setting to avoid overtaxing the motor. Make a first pass to trim the tops of the weeds, then lower the deck and make a second pass to achieve your desired height. If the weeds are woody or exceptionally thick, it is better to use a string trimmer first to clear the area before running the mower. This prevents the blade from dulling prematurely and protects the motor from excessive strain.