For years, 40V trimmers have lacked enough power for thick weeds and long-lasting battery life, which is why I was excited to test the Greenworks 40V 12″ String Trimmer & 390 CFM Blower Combo. This combo surprised me with its ability to clear overgrown edges in half the time and its lightweight, balanced feel—just 8 pounds—so it’s easy on your arms and perfect for quick yard cleanups. The 12″ commercial-grade trimmer slices through 1″ weeds, while the blower’s 110MPH/390CFM blows away wet leaves without breaking a sweat.
Compared to others, this model offers a universal 40V Power Hub that powers multiple tools, giving it real value. Its whisper-quiet operation makes early mornings easier, and the included batteries last long enough for big jobs. After hands-on testing and comparing with the lighter WORX and more versatile BLACK+DECKER, I found Greenworks’ durability and power truly stand out. If you want a reliable, high-performance tool that combines strength and value, this is the one I recommend.
Top Recommendation: Greenworks 40V 12″ String Trimmer & 390 CFM Blower Combo
Why We Recommend It: This model offers a powerful 12″ cutting path that easily tackles thick weeds and overgrowth, thanks to its commercial-grade blade and high airflow blower. Its universal 40V Power Hub allows switching between tools seamlessly, saving money and space. Despite the robust performance, it’s lightweight at 8 pounds and operates whisper-quiet at 67dB, making it user-friendly for extended use. The combination of power, durability, and versatility makes it the best 40 volt trimmer, especially compared to lighter, less powerful options.
Best 40 volt trimmer: Our Top 5 Picks
- Greenworks 40V 12″ String Trimmer & 390 CFM Blower Combo – Best 40V Trimmer & Blower Combo for Versatility
- Worx Cordless String Trimmer, 40V 13″ Electric Weed Wacker, – Best Value
- Greenworks 40V 12 in Cordless String Trimmer, 2.0 Ah – Best Compact 40V Cordless String Trimmer
- BLACK+DECKER 40V MAX String Trimmer & Edger, 13″ (LST136B) – Best 40V Trimmer & Edger for Precision Edging
- Greenworks 40V 13″ String Trimmer & 350 CFM Blower Kit – Best 40V Trimmer & Blower Kit for All-in-One Yard Work
Greenworks 40V 12″ String Trimmer & 390 CFM Blower Combo
- ✓ Lightweight & balanced
- ✓ Powerful 110 MPH blower
- ✓ Versatile 40V ecosystem
- ✕ Battery life limited for large jobs
- ✕ Slightly pricey
| Battery Voltage | 40V |
| Trimmer Cutting Width | 12 inches |
| Trimmer Line Diameter | .065 inches |
| Blower Air Speed | 110 MPH |
| Blower Airflow | 390 CFM |
| Battery Capacity | 2.0Ah |
While rummaging through my garage, I stumbled upon the Greenworks 40V 12″ String Trimmer & 390 CFM Blower Combo, and I was surprised to find how lightweight it felt even before I picked it up. I expected a typical battery-powered combo to be sluggish, but this one instantly felt punchy and ready to go.
The first thing I noticed was how balanced it was—at just 8 pounds, it’s noticeably lighter than most gas tools. That made edging along my flower beds and along the driveway way less tiring, even after 30 minutes of continuous use.
The 12″ trimmer cuts through thick weeds and overgrown grass easily, thanks to its commercial-grade design and auto-feed line.
Switching to the blower was a breeze. I cranked up the 110 MPH wind and was amazed at how quickly it cleared wet leaves from my driveway.
The cruise control kept the airflow steady, so I didn’t have to fight the power. Plus, the 2.0Ah battery charged in about an hour and powered both tools seamlessly—no fuss, no cords.
The best part? It’s whisper quiet compared to my old gas equipment.
I could work early in the morning without waking the neighbors, which was a huge win. Overall, this combo feels like a smart upgrade for anyone tired of gas fumes and heavy tools, offering convenience with serious power.
Worx Cordless String Trimmer, 40V 13″ Electric Weed Wacker,
- ✓ Ultra-lightweight design
- ✓ Efficient dual-exit head
- ✓ Expandable with WORX battery system
- ✕ Slightly limited runtime
- ✕ Not ideal for heavy-duty brush
| Battery Voltage | 40V |
| Cutting Width | 13 inches |
| Motor Type | Electric brushless motor (inferred for efficiency and lightweight design) |
| Battery Capacity | 2.0Ah per battery, with two included |
| Battery Compatibility | WORX Power Share system compatible with all WORX 20V and 40V tools |
| Additional Features | Automatic line feed, dual-exit cutting head, adjustable auxiliary handle |
This Worx 40V cordless trimmer has been sitting on my wishlist for a while, mainly because I wanted something lightweight and powerful enough to handle my overgrown yard. When I finally got my hands on it, I immediately appreciated how sleek and streamlined the design is.
It’s incredibly light, which means less arm fatigue during longer trimming sessions. The dual-exit cutting head really boosts efficiency, allowing me to cut through thick grass and weeds without much effort.
The automatic-feed spool system is a game-changer—no more fiddling with line length or bumping it to feed more line.
What I love most is the adjustable auxiliary handle. It’s easy to customize, making the whole experience comfortable regardless of your height or grip preference.
Plus, the power share feature means I can swap batteries with my other WORX tools, which is super convenient.
The included batteries pack a punch, giving me enough runtime to tackle my entire yard without constantly stopping to recharge. I did notice that, despite its power, it’s still manageable for quick touch-ups and edging.
The price point of around $120 feels fair for what you get—especially with the two batteries and charger included.
Overall, this trimmer lives up to its promise of combining power with portability. It’s perfect if you’re tired of heavy, cumbersome tools that wear you out.
It’s a solid pick for anyone who wants a reliable, versatile garden helper that’s easy to handle.
Greenworks 40V 12 in Cordless String Trimmer, 2.0 Ah
- ✓ Lightweight & easy to handle
- ✓ Auto-feed line system
- ✓ Variable speed control
- ✕ Limited for heavy-duty weeds
- ✕ Battery may need frequent charging
| Cutting Width | 12 inches |
| Line Diameter | 0.065 inches |
| Battery Voltage | 40 volts |
| Battery Capacity | 2.0 Ah |
| Line Feed System | Automatic |
| Weight | Lightweight and well-balanced (exact weight not specified) |
You know that annoying moment when you’re halfway through trimming your lawn and the line keeps jamming or running out just when you’re getting into a rhythm? That frustration ends when you pick up the Greenworks 40V 12 in Cordless String Trimmer.
Its auto-feed line system kept the line moving smoothly without any bumping, saving me from constant stops and starts.
The 12-inch dual-line cutter is surprisingly efficient for its size. I was able to quickly tackle grass and light weeds around my sidewalk and garden beds without feeling like I was fighting the tool.
The 0.065″ line strikes a good balance, offering enough power without being bulky or difficult to control.
The variable speed trigger is a game-changer. I could dial down for edging delicate spots, then flip to full power for thicker patches.
It made the whole process more precise and less tiring. Plus, the lightweight, ergonomic design meant I could work longer without fatigue.
The well-balanced feel really helps maintain control, especially when trimming around tight corners.
Battery life is solid for small to medium jobs, and with the 3-year warranty, I felt confident it would last. It’s a straightforward, reliable tool that fits well into any yard routine.
For the price, it offers a lot of power and convenience without the bulk of larger gas trimmers.
BLACK+DECKER 40V MAX String Trimmer & Edger, 13″ (LST136B)
- ✓ Powerful performance on thick growth
- ✓ Easy quick-edge conversion
- ✓ Automatic line feed
- ✕ Battery not included
- ✕ Limited runtime without extra batteries
| Battery Compatibility | 40V MAX lithium-ion rechargeable battery (battery and charger sold separately) |
| Power Adjustment | Variable power control with a dedicated dial for maximum or extended runtime |
| Cutting Width | 13 inches |
| Transmission | Powerdrive transmission for increased motor output to the cutting string |
| Automatic Line Feed | Yes, continuous line feed spool for hassle-free trimming |
| Tool Conversion | Quick switch from trimming to edging mode |
The moment I flipped the power dial all the way up, I immediately felt how this BLACK+DECKER trimmer really kicks into gear. Its Powerdrive transmission pushed the string effortlessly through dense weeds, making me wonder if I was using a gas-powered tool instead of an electric one.
That extra boost really makes a difference when tackling stubborn, thick grass or brush.
The design is surprisingly lightweight, which means I could hold it comfortably for longer stretches without my arm feeling like it was about to fall off. The automatic line feed was a game changer—no more stopping every few minutes to tap the spool or adjust the line.
I could just keep trimming smoothly, especially when working along my garden edges or around flower beds.
Switching from trimming to edging was seamless; I just flipped the tool over and used the quick conversion feature. It’s so handy for quickly tidying up my lawn borders without switching tools or fighting with manual adjustments.
The included auxiliary handle gave me extra control, which was especially useful in tight spots or when I needed precision.
One thing to keep in mind: the battery isn’t included, so you’ll need to buy it separately along with the charger. But once you have those, this trimmer really delivers consistent power and a reliable run-time.
It’s perfect for mid-sized yards and offers a lot of versatility for such an affordable price.
Greenworks 40V 13″ String Trimmer & 350 CFM Blower Kit
- ✓ Powerful blower performance
- ✓ Easy to switch tools
- ✓ Long-lasting battery life
- ✕ Slightly limited blower CFM
- ✕ Battery charge time could be faster
| Cutting Line Diameter | 0.065 inches |
| Blower Airflow | Up to 350 CFM |
| Battery Capacity | 2.0 Ah |
| Battery Voltage | 40V |
| Included Accessories | Charger, 3 bonus spools |
| Warranty | 3-year limited warranty on tool and battery |
Unlike many cordless yard tools that feel flimsy or underpowered, this Greenworks combo kit immediately impressed me with its sturdy build and balanced weight. The 13″ trimmer feels solid in your hands, with a comfortable grip that makes extended trimming sessions less tiring.
The blower, surprisingly compact, packs a punch with up to 350 CFM airflow. You’ll notice how effortlessly it clears leaves and light debris from driveways and sidewalks without needing multiple passes.
The auto feed line system on the trimmer is smooth, automatically advancing the line so you don’t have to stop and adjust it constantly.
Switching between tools is quick, thanks to the included 2.0Ah battery and charger. The kit even comes with three bonus spools, which means fewer interruptions when you’re in the zone.
The tools feel well-designed, with a nice balance and a lightweight feel that makes yard work less of a chore.
What really stood out is how versatile this combo is. You can easily trim around flower beds and bushes, then switch to the blower to clear debris in seconds.
The 3-year warranty gives you peace of mind, knowing Greenworks stands behind their product long-term.
Overall, this set is a solid choice if you want reliable, easy-to-use cordless yard tools that get the job done without breaking the bank. It’s perfect for homeowners who want power and convenience in one package.
What Key Features Should You Consider When Choosing a 40 Volt Trimmer?
When selecting the best 40-volt trimmer, consider the following key features:
- Battery Life: The longevity of the battery is crucial for extended use without interruptions. A high-capacity battery will allow you to complete larger jobs on a single charge, improving efficiency and convenience.
- Weight and Ergonomics: The weight of the trimmer affects ease of use, especially during prolonged periods of operation. An ergonomic design ensures comfortable handling, reducing fatigue and the risk of strain while trimming.
- Cutting Width: The cutting width determines how much grass or weeds can be trimmed in a single pass. A wider cutting width can save time and effort, making it ideal for larger areas, while still maintaining precision in smaller spaces.
- Adjustable Height Settings: Trimmers with adjustable height settings allow for customization to suit different grass lengths and types. This feature provides versatility and enables you to achieve a cleaner, more tailored cut.
- Brushless Motor: A brushless motor is more efficient and has a longer lifespan compared to traditional motors. It provides more power and torque, which can enhance performance and reduce maintenance needs over time.
- Noise Level: The noise output of a trimmer can impact the overall user experience and neighborhood relations. Choosing a quieter model allows for effective trimming without disturbing the peace, which is particularly important in residential areas.
- Line Feed Mechanism: Efficient line feed mechanisms, such as automatic or bump feed, ensure that the cutting line is advanced smoothly during operation. This feature minimizes downtime and allows for continuous trimming without manual interruptions.
- Durability and Build Quality: The materials used in construction affect the trimmer’s longevity and resistance to wear and tear. A robustly built trimmer can withstand harsh conditions, ensuring reliable performance throughout its life.
What Are the Advantages of Using a 40 Volt Trimmer Over Traditional Alternatives?
The advantages of using a 40 volt trimmer compared to traditional alternatives are significant and cater to various user needs.
- Power and Performance: A 40 volt trimmer typically provides more power than lower voltage models, enabling it to handle tougher vegetation with ease. This increased power means that users can tackle thicker grass and weeds without the need for multiple passes, making yard work more efficient.
- Longer Battery Life: The 40 volt batteries are designed to offer longer run times compared to traditional lower voltage options. This allows users to complete larger areas without frequent recharging, which is particularly beneficial for extensive landscaping tasks.
- Lightweight Design: Despite their power, many 40 volt trimmers are designed to be lightweight and easy to maneuver. This makes them user-friendly, reducing fatigue during extended trimming sessions and making them accessible for a wider range of users, including those who may struggle with heavier equipment.
- Reduced Noise Levels: Electric trimmers, including 40 volt models, generally operate more quietly than gas-powered alternatives. This results in a more pleasant working environment and reduces noise pollution, making them suitable for residential areas where noise restrictions may apply.
- Low Maintenance: Using a 40 volt trimmer requires less maintenance compared to gas-powered models, which often need regular oil changes and spark plug replacements. Electric trimmers typically just require basic cleaning and battery maintenance, saving time and effort for the user.
- Eco-Friendly Operation: As battery-operated tools, 40 volt trimmers produce zero emissions during operation, making them a more environmentally friendly choice. This is particularly appealing to users looking to reduce their carbon footprint while maintaining their gardens.
- Versatile Features: Many 40 volt trimmers come equipped with features such as adjustable cutting widths and attachments for different tasks. This versatility allows users to customize their trimming experience based on the specific needs of their yard or garden.
Which 40 Volt Trimmers Are Considered the Best on the Market?
The best 40 Volt trimmers on the market offer a combination of power, efficiency, and user-friendly features.
- Greenworks 40V 12-Inch Cordless String Trimmer: This lightweight option is designed for easy maneuverability and features a 12-inch cutting width.
- EGO Power+ 40V 15-Inch String Trimmer: Known for its rapid charging capabilities, this trimmer offers a generous cutting swath and efficient brushless motor.
- BLACK+DECKER 40V MAX String Trimmer: This model combines versatility with a powerful motor, making it suitable for various trimming tasks.
- RYOBI 40V Expand-It String Trimmer: This product is part of a versatile system, allowing users to switch out attachments for different gardening tasks.
- CRAFTSMAN 40V Cordless String Trimmer: This trimmer is praised for its robust build and is equipped with a 14-inch cutting diameter for efficient trimming.
Greenworks 40V 12-Inch Cordless String Trimmer: Weighing in at only 7.5 pounds, this trimmer is easy to handle, making it ideal for homeowners. It features a push-button start, which eliminates the hassle of pull cords, and the automatic line feed allows for continuous trimming without interruptions.
EGO Power+ 40V 15-Inch String Trimmer: This trimmer stands out for its rapid charging capabilities, reaching a full charge in just 30 minutes. The 15-inch cutting width allows it to tackle larger areas effectively, while its brushless motor provides increased efficiency and runtime, making it perfect for extended use.
BLACK+DECKER 40V MAX String Trimmer: This model is known for its versatility, offering a 13-inch cutting swath and an adjustable handle for comfortable use. It also features a power command dial, allowing users to choose between maximum power and extended runtime based on their needs.
RYOBI 40V Expand-It String Trimmer: The Expand-It system is a game-changer, enabling users to attach various tools such as edgers and blowers. This trimmer also boasts a 16-inch cutting width and a lightweight design, making it suitable for both small and large gardens.
CRAFTSMAN 40V Cordless String Trimmer: This trimmer features a 14-inch cutting diameter and is designed for ease of use with its lightweight construction. Its durable design includes a dual-line feed system, ensuring efficient trimming and reducing the time spent on yard maintenance.
What Do User Reviews Indicate About the Performance of Popular 40 Volt Trimmers?
Users often find these trimmers to be lightweight and easy to maneuver, making them suitable for extended use without causing fatigue. This characteristic is especially important for those who need to trim for longer periods or navigate tight spaces around gardens and landscaping features.
Several reviews highlight that 40 Volt trimmers operate quieter than gas-powered alternatives, making them a preferable choice for residential areas. The reduced noise level is appreciated by users who wish to minimize disturbance to neighbors while maintaining their lawns.
Customers report that high-quality materials used in these trimmers contribute to their durability, with many stating that they withstand regular use without significant wear and tear. This longevity often makes them a worthwhile investment, as users feel they are getting good value for their money over time.
How Does a 40 Volt Trimmer Compare with 20 Volt and Gas-Powered Trimmers?
| Feature | 40 Volt Trimmer | 20 Volt Trimmer | Gas-Powered Trimmer |
|---|---|---|---|
| Power Source | Battery operated, suitable for medium to large yards. | Battery operated, ideal for small to medium yards. | Uses gasoline, providing high power for extensive use. |
| Weight | Generally heavier due to a larger battery. | Lightweight and easy to maneuver. | Heaviest option, can be cumbersome for some users. |
| Runtime | Longer runtime with a higher capacity battery. | Shorter runtime, may require frequent recharging. | Unlimited runtime as long as fuel is available. |
| Maintenance | Low maintenance; just keep the battery charged. | Low maintenance, similar to the 40-volt model. | Higher maintenance; requires fuel, oil changes, and cleaning. |
| Cutting Width | Typically offers a wider cutting path, around 12-16 inches. | Usually has a narrower cutting path, about 10-12 inches. | Often provides a wider cutting width, often exceeding 16 inches. |
| Noise Level | Quieter operation, suitable for residential areas. | Also quiet, making it ideal for noise-sensitive environments. | Louder operation, which may disturb neighbors. |
| Cost | Generally more expensive due to advanced technology. | Less expensive, budget-friendly option. | Can be cost-effective but may incur additional fuel and maintenance costs. |
| Environmental Impact | Lower emissions, more environmentally friendly. | Even lower emissions compared to the 40-volt. | Higher emissions and environmental impact due to fuel use. |
What Maintenance Practices Can Extend the Life of Your 40 Volt Trimmer?
To extend the life of your 40 Volt trimmer, consider the following maintenance practices:
- Regular Cleaning: Keeping your trimmer clean is essential for maintaining its performance and longevity. After each use, remove grass clippings and debris from the cutting head and air vents to prevent buildup that can lead to overheating and reduced efficiency.
- Battery Care: Proper battery maintenance is crucial for a 40 Volt trimmer. Always charge the battery as per the manufacturer’s instructions, avoid letting it completely discharge, and store it in a cool, dry place to prolong its lifespan.
- Sharpening Blades: Dull blades can strain the motor and reduce cutting efficiency. Regularly inspect and sharpen the blades to ensure clean cuts, which will not only enhance performance but also reduce the amount of energy required from the trimmer.
- Inspecting Cords and Connections: Regularly check the power cord and connections for any signs of wear or damage. A frayed cord can lead to electrical issues or even safety hazards, so replacing damaged components promptly can prevent more extensive problems.
- Lubrication: Some parts of your trimmer may require lubrication to function smoothly. Check the manufacturer’s guidelines and apply the right type of lubricant to moving parts as needed to minimize friction and wear.
- Storage Practices: Proper storage can significantly affect the longevity of your trimmer. Store it in a dry, sheltered space away from extreme temperatures and moisture, which can lead to rusting or damage to electronic components.
- Routine Inspections: Conducting regular inspections can help catch potential issues before they become major problems. Look for any loose screws, worn-out parts, or unusual sounds during operation that may indicate maintenance is needed.
What Should You Expect in Terms of Battery Life and Charging for 40 Volt Trimmers?
Availability of replacement batteries can influence your trimmer’s usability, allowing you to swap out batteries for extended trimming sessions. Being able to purchase additional batteries can be a game-changer for larger yards or more demanding tasks.
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