If you’re looking for a more eco-friendly and efficient way to tidy up your garden, a 40V string trimmer may be the answer. With advancements in battery technology, these trimmers offer a powerful alternative to their gas-powered counterparts without the noise, fumes, or cords.
Before making a purchase, there are a few factors to consider to ensure you get the best value for your money. Firstly, consider the size of your yard and the thickness of the weeds you’ll be cutting. This will determine the power and durability needed for your trimmer. Secondly, you’ll want to ensure the trimmer has a good battery life, so you aren’t constantly recharging. Thirdly, look for features such as an adjustable handle, cutting width, and reduced vibration for added comfort during use.
When researching the best 40V string trimmer, some questions to consider may include: What is the run time of the battery, and how long does it take to recharge? Is the trimmer compatible with multiple batteries? What type of cutting line does it use, and how easily can it be replaced? Are there any additional features that set this trimmer apart from others on the market?
By taking these considerations into account and asking the right questions, you’ll be well on your way to finding the best 40V string trimmer for your needs and budget.
10 Best 40V String Trimmer
# | Product Image | Product Name | Product Notes | Check Price |
---|---|---|---|---|
1
|
This product is ideal for trimming and cutting weeds and grass in areas where there is no access to power outlets.
|
|
||
2
|
Ideal for trimming and edging small to medium-sized lawns or yards with its cordless and attachment-capable features.
|
|
||
3
|
Ideal for trimming and edging grass and weeds in gardens and lawns, with a cordless and battery-powered design.
|
|
||
4
|
Ideal for trimming and edging small to medium lawns with its cordless, height-adjustable design and powerful 40V battery.
|
|
||
5
|
The product is ideal for trimming and edging small to medium-sized lawns with its cordless, brushless technology.
|
|
||
6
|
This product is ideal for trimming and edging lawns and gardens with a battery-powered, brushless motor and carbon fiber shaft.
|
|
||
7
|
This product is ideal for trimming lawns and edges quickly and efficiently without the hassle of cords or gas.
|
|
||
8
|
Ideal for efficient trimming and edging of small to medium-sized lawns, featuring a multi-head design and powerful battery.
|
|
||
9
|
Ideal for trimming and edging lawns with ease using a powerful 40V lithium-ion battery and 14-inch cutting swath.
|
|
||
10
|
The product is ideal for trimming and edging small to medium-sized lawns without the limitations of a cord.
|
|
1. Kobalt 40-Volt Max 15-In Straight Cordless Bare Tool String Trimmer (Battery Not Included)

Introducing the new Model KST 2540-06 for 2020! This powerful 40V gear reduced string trimmer is the perfect solution for yards up to 1/2 acre in size. With its premium heavy-duty 0.080-in dual line, this trimmer can easily power through tough grass and weeds.
Featuring an adjustable cutting swath of 13-inch to 15-inch, the Model KST 2540-06 allows for extended runtime or faster trimming, depending on your needs. Whether you're looking for precision trimming or wider coverage, this trimmer provides complete control with its easy to start variable speed trigger and two-speed settings.
Please note that the battery and charger are not included with this model, but can be purchased separately. This allows you the flexibility to choose the battery and charger that best suits your needs.
2. Worx Nitro Cordless String Trimmer: Pro Power-Sharing

The Worx Nitro outdoor tools are a reliable source of gas-like power, performance, and extended runtime for all your outdoor needs. The 15-inch dual-exit cutting head provides a professional-grade user experience, while the easy-load trimmer head ensures quick and simple replacements.
Equipped with a brushless motor, the Worx Nitro is more efficient, powerful, and durable. Its brushless motor runs 50% longer and is 25% more powerful than standard motors, with a 10% longer lifespan.
The Worx Nitro is powered by Worx Power Share PRO intelligent batteries that deliver extended run times, heat and impact protection. These high-capacity batteries are compatible with all Worx 20V and 40V tools, outdoor power and lifestyle products, so users can easily switch between tools and enjoy uninterrupted work.
The Worx Nitro is also drive-share attachment capable, with a split-shaft design that accommodates various attachments for other yard tasks. Users can easily switch between tasks without the need for multiple tools.
The variable speed control feature, including an ECO-mode, allows users to have ultimate control and runtime maximization. This feature helps save battery life for longer projects and ensures precision in work.
Furthermore, the Worx Nitro has universal compatibility, fitting most other brand’s attachment-capable trimmer systems. This feature provides users with flexibility and convenience in their tool selection.
The Worx Nitro comes with a Nitro 40V 15” driveshare string trimmer, one replacement easy-load trimmer head, two 4.0Ah Power Share PRO batteries (WA3012), and a dual slot charger (WA3884), providing everything users need to get started.
3. 40v Lawn Trimmer With Battery And Charger.

The POWERWORKS 40V string trimmer is a versatile gardening tool designed to cater to different lawns and properties. Powered by 40V PowerShare batteries, this trimmer/edger 2-in-1 delivers 40V of total power and exceptional performance. The PowerShare feature allows you to power all POWERWORKS 40V and XB (40V/20V) batteries with this trimmer.
This 2-in-1 gardening tool is perfect for customers who want to save money and space. With just the push of a button and the turn of the head, the trimmer converts into an in-line edger, saving you from having to purchase two separate tools.
The variable speed throttle feature allows you to increase the speed when you encounter tougher grass and dial it back down to increase runtime. The trimmer comes equipped with a professional-grade trimmer line, which gives you sharp edges and professionally landscaped results.
The innovative Command Feed spool system offers instant line feeding at the touch of a button, which makes it easy to get back to work quickly. This feature saves you time and effort, as you don't have to stop your gardening work to feed the spool manually.
The adjustable front handle and pivoting head allow you to find a comfortable position for both tall and short users. You can also adjust the cutting angle for both the flat and sloped parts of your lawn. This adjustability feature ensures that you can easily maneuver the trimmer and edger for a polished finish.
POWERWORKS offers excellent customer service, including free replacement for damaged or defective parts within 12 months and a replacement or refund with any quality problems within 30 days. You can contact them directly if you have any issues, and they will assist you promptly.
4. Powerful 2-In-1 Cordless Trimmer & Edger

The 13-inch string trimmer/edger is a top-quality gardening tool that is designed to provide you with a professional trimming experience. With a runtime of up to 60 minutes, this trimmer features a 4.0Ah battery that provides twice the runtime of a 2.0Ah battery.
One of the key features of this trimmer is its ability to easily convert from a trimmer to an edger in seconds. This allows for precise working and ensures that you can achieve a professional finish to your garden or lawn. The ergonomic design of the trimmer ensures that it is comfortable to use and minimizes fatigue during long trimming sessions.
The trimmer features an auto-feed spool that allows for quick and easy line advancement. The 0.065 inch line is perfect for trimming yards, gardens, walkways, and patios. Additionally, the bottom L-shaped blade can be rotated 180° to change the cutting width from 12-inch to 13-inch, providing you with greater flexibility when it comes to trimming and edging.
The trimmer is powered by a 40v battery that provides a no-load speed of 6600RPM – 8500RPM. This makes it ideal for trimming tough grass and ensuring that your garden or lawn looks clean and well-maintained. The trimmer also features 2-speeds that allow you to control the cutting speed. When you run into tougher grass, you can dial it back down to increase runtime.
Included with the trimmer are a 40v 4.0ah battery and charger, auxiliary handle assembly, safety guard, edge guide, 3x spools, user manual, and a 2-year warranty. The trimmer is backed by a 2-year warranty, ensuring that you can purchase with confidence and have peace of mind knowing that you are covered in case of any defects or issues.
5. Greenworks 40v 14 Inch Brushless Cordless String Trimmer, 2ah Battery And Charger Included St40l210

This product comes equipped with a 2.0AH Battery that allows for up to 30 minutes of continuous use on a single charge. The battery and charger are included for added convenience.
The brushless motors featured in this product surpass their brushed counterparts in terms of reliability, power output, run-time, and overall lifespan. Users can expect a longer-lasting and more efficient experience from their product due to this advanced technology.
In addition to its impressive functionality, this product boasts a lightweight design that makes it easy to handle and maneuver. Users will appreciate the ease of use and comfort provided by this feature.
This product comes with a 40V 2AH li-ion battery and charger, and is also compatible with battery and charger models 29462, 29472, and 29482. These specifications provide users with flexibility and options when it comes to powering their product.
6. Whisper Series Carbon Fiber String Trimmer

Introducing the top-of-the-line string trimmer, perfect for all your lawn maintenance needs. This trimmer comes with an adjustable 15"–17" shaft that is compatible with .105 in., .095 in., and .080 in. line, making it versatile and suitable for all types of grass. The carbon fiber straight shaft ensures durability and longevity, so you can use it for years to come.
The variable speed trigger with 2-speed switch gives you complete control over the operation of the trimmer, allowing you to adjust the speed according to the thickness and density of the grass. With 4X more power than standard trimmers, this product can easily tackle tough weeds and overgrown grass, making your lawn maintenance tasks a breeze.
One of the most significant advantages of this trimmer is that it is 80% quieter than gas-powered trimmers. This feature makes it ideal for use in residential areas, where noise pollution is a significant concern. Additionally, this product comes equipped with a 6Ah powerful battery, which gives you enough runtime to complete your lawn maintenance tasks without the need for frequent recharging.
The fast-charging feature of this product ensures that you can charge the battery quickly and get back to work in no time. The REEL EASY+ bump feed head reloads in under 60 seconds with SPEED WINDER crank, making it convenient and easy to use. This feature eliminates the need to stop and manually reload the string, saving you time and effort.
7. Ryobi 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer, 4.0 Ah Battery And Charger Inc

The RYOBI 40-Volt Attachment Capable String Trimmer is a versatile tool that allows for easy attachment of RYOBI expand-it attachments and other universal gas attachments, saving you time, money and space. This string trimmer comes with a powerful 40-Volt lithium-ion high capacity battery and a 90-minute charger, ensuring that you have ample power and minimal downtime.
This string trimmer also boasts an adjustable cutting width of 13 in. to 15 in., allowing for longer run time or wider cutting paths to suit different needs. The reel-easy bump-feed string head makes reloading quick and easy, so you can get back to work in no time.
The variable speed trigger provides cutting control, allowing you to adjust the speed to match the job at hand. This feature ensures that you can work efficiently and effectively, without having to worry about damaging plants or other objects.
8. Skil 40v Brushless Multi-Head Trimmer Kit

Introducing the Cordless Power Head String Trimmer Kit, a versatile and efficient tool that will help you maintain your lawn with ease. This kit includes a PWR CORE 40 4.0Ah lithium battery and an Auto PWR JUMP Charger, ensuring you have enough power to get the job done.
Designed for use with a variety of universal attachments, this trimmer is attachment-ready and can be easily customized to suit your needs. The dual line bump feed system is a fast and hassle-free way to release the line, simply tap the head on a flat surface to keep your trimming going.
With a cutting swath of up to 16 inches, this trimmer is perfect for efficiently cutting through tall grass and thick weeds. The powerful digital brushless motor provides efficient, high-performance power for longer tool life without the hassle of gas.
9. Wen 40413bt Lithium Edger 40v Max Li-Ion Cordless 14-Inch 2-In-1 String Trimmer (Tool Only), Black

Looking for an eco-friendly and hassle-free alternative to traditional string trimmers? Look no further than this innovative product! With its telescoping body that extends from 51.5 inches to 68.5 inches, this string trimmer can easily reach even the most hard-to-get-to areas of your lawn or garden. And with its quick-adjust handle, you can customize the length to suit your needs.
One of the best things about this string trimmer is its versatility. With just a simple rotation of the head, you can switch between edging and string trimming functions, making it perfect for all your lawn care needs. And with its three cutting width options (12 inches, 13 inches, and 14 inches), you can choose between maximum runtime and maximum cutting capacity, depending on your needs.
And the best part? This string trimmer is completely cordless and requires no gasoline, which means no more messy extension cords or tedious maintenance. Plus, it's compatible with the entire WEN 40-Volt MAX series, so you can easily swap out batteries between your different tools.
Please note that the battery and charger are not included, but can be purchased separately. With its eco-friendly design, versatile functions, and easy-to-use features, this string trimmer is the perfect addition to any lawn care arsenal.
10. Kt Kobalt 40-Volt Max 15-In Straight Cordless String Trimmer With And (Battery Included)

Introducing the 40V Gear Reduced String Trimmer, the perfect tool for maintaining yards up to 1/2 acre in size. This trimmer packs a powerful punch, thanks to its 2.5Ah battery, which provides ample power to get the job done right.
Featuring a premium heavy-duty 0.080-inch dual line, this trimmer can easily power through tough grass and weeds. Its adjustable cutting swath, ranging from 13 inches to 15 inches, allows for extended runtime or faster trimming, providing you with the flexibility you need to get the job done quickly and efficiently.
The easy-to-start variable speed trigger, complete with two-speed settings, provides complete control over the trimmer's power output. Whether you're looking for a gentle trim or need to power through thick weeds, this trimmer has you covered.
Included with the trimmer is a charger and 2.5Ah 40-volt max Li-ion battery, which has a charge time of just 75 minutes. This means you can spend less time waiting for your battery to charge and more time getting your yard looking its best.
Best 40V String Trimmer FAQs
Are there any accessories or attachments available for a 40v string trimmer?
Yes, there are several accessories and attachments available for a 40v string trimmer. Some of the popular attachments include:
1. Edger attachment: This attachment allows you to convert your trimmer into an edger. It helps you in creating clean edges along sidewalks, driveways, and flower beds.
2. Hedge trimmer attachment: This attachment helps you in trimming hedges, bushes, and shrubs with ease. It is especially useful for maintaining the shape and size of your garden plants.
3. Blower attachment: This attachment converts your string trimmer into a blower. It helps you in clearing debris and leaves from your lawn and garden.
4. Cultivator attachment: This attachment helps you in tilling and cultivating the soil in your garden. It is useful for preparing the soil for planting.
5. Brush cutter attachment: This attachment is useful for cutting thick weeds and brush. It is especially useful for clearing overgrown areas.
It is important to note that not all attachments may be compatible with every 40v string trimmer. It is recommended to check with the manufacturer or supplier before purchasing any attachment.
Are there any safety concerns when using a 40v string trimmer?
Yes, there are some safety concerns when using a 40v string trimmer. The most important thing to keep in mind is that the cutting string is sharp and can cause serious injury if it comes into contact with your body. Therefore, it is important to wear protective clothing, such as long pants, closed-toe shoes, and eye and ear protection. Additionally, you should always keep the trimmer pointed away from your body and others, and be mindful of the direction of the debris that is being thrown by the trimmer. It is also important to ensure that the trimmer is turned off and the battery is removed before performing any maintenance or adjusting the cutting string. By taking these precautions, you can safely use a 40v string trimmer to maintain your lawn and garden.
Can a 40v string trimmer be used to edge lawns and walkways?
Yes, a 40v string trimmer can be used to edge lawns and walkways. However, it is important to note that not all string trimmers are designed for edging. Some models come with a separate edging function or attachment, while others may require you to adjust the angle of the cutting head manually.
When using a string trimmer to edge, it's important to keep the tool at a comfortable height and angle for your body, and to move it slowly and steadily along the edge of the lawn or walkway. It's also a good idea to wear protective gear, such as eye and ear protection, and to be aware of any obstacles or potential hazards in the area.
Overall, a 40v string trimmer can be a versatile and effective tool for maintaining your lawn and walkways, but it's important to choose the right model for your needs and to use it safely and responsibly.
How does a 40v string trimmer compare to a gas-powered trimmer in terms of power and performance?
A 40v string trimmer can be a great alternative to a gas-powered trimmer, but it may not be as powerful or perform as well in certain situations. The main advantage of a 40v trimmer is that it is much quieter and produces zero emissions, which makes it more eco-friendly and less disruptive to use. It can also be lighter and easier to maneuver, which can be helpful for trimming in tight spaces or for extended periods of time.
However, a gas-powered trimmer may have more power and be able to handle tougher jobs more easily. It may also have a longer run time and be easier to refill with fuel than a battery-powered trimmer.
Ultimately, the choice between a 40v string trimmer and a gas-powered trimmer will depend on your specific needs and preferences. If you have a smaller yard and don't require heavy-duty trimming, a 40v trimmer may be a great option. But if you have a larger property or tough weeds to tackle, a gas-powered trimmer may be the better choice.
What are the key features to look for in a 40v string trimmer?
When looking for a 40v string trimmer, there are several key features to consider. Firstly, you should look for a trimmer that has a powerful and efficient motor. A 40v motor is relatively powerful and will help to ensure that your trimmer can handle tough weeds and grass.
Secondly, you should consider the cutting width of the trimmer. A wider cutting width will enable you to cover more ground in less time, which can be particularly useful if you have a large yard to maintain.
Another important feature to look for is an adjustable handle, which will allow you to comfortably use the trimmer for extended periods of time without experiencing discomfort or fatigue.
You should also consider the weight of the trimmer, as a lightweight model will be easier to maneuver and control. Finally, you may want to look for additional features such as a pivoting head, which can help you to easily trim hard-to-reach areas. Overall, when choosing a 40v string trimmer, it is important to look for a model that is powerful, efficient, and easy to use.
What are the top-rated 40v string trimmers available on the market?
There are several top-rated 40v string trimmers available on the market, each with its own unique features and benefits. One popular option is the Greenworks Pro 16-Inch 80V Cordless String Trimmer, which boasts a powerful brushless motor and a durable construction. Another highly rated choice is the DEWALT DCST990M1 40V MAX 4.0 Ah Lithium Ion XR String Trimmer, which offers a variable speed trigger and a patented gear drive design for improved performance.
The EGO Power+ ST1502LB 15-Inch String Trimmer is another top-rated option, featuring a high-efficiency brushless motor and a weather-resistant construction. Other highly rated 40v string trimmers include the Kobalt 40-Volt Max 13-in Straight Cordless String Trimmer, the Ryobi RY40220 40V Cordless Lithium-Ion X Expand-it String Trimmer, and the Snapper XD 82V MAX Cordless Electric String Trimmer.
Ultimately, the best 40v string trimmer for you will depend on your specific needs and preferences. Consider factors such as battery life, cutting width, and overall durability when making your decision.
What is the average battery life of a 40v string trimmer?
The average battery life of a 40v string trimmer can vary depending on several factors, such as the brand, model, and usage conditions. However, most 40v string trimmers come with lithium-ion batteries that offer a runtime of 30 to 45 minutes on a single charge. This is suitable for most homeowners with small to mid-sized lawns. Some models may offer longer battery life, while others may have a slightly shorter runtime.
It's important to note that battery life can be affected by various factors such as the thickness of the grass, the speed setting of the trimmer, and the temperature outside. To ensure that you get the most out of your 40v string trimmer, it's essential to follow the manufacturer's recommendations for charging and storing the battery properly. It's also a good idea to have a spare battery on hand if you have a larger lawn or need to use the trimmer for an extended period.
What is the price range for a good quality 40v string trimmer?
The price range for a good quality 40v string trimmer can vary depending on the brand, features, and accessories included. Generally, you can expect to pay anywhere from $100 to $300 for a 40v string trimmer that is reliable, durable, and efficient. Some of the factors that can affect the price include the type of battery, the cutting width and depth, the weight and ergonomics of the trimmer, and the availability of attachments and accessories. Some brands that offer high-quality 40v string trimmers include Greenworks, Ryobi, and Black+Decker. It is important to consider your specific needs and preferences when choosing a string trimmer, as well as reading reviews and comparing prices to find the best option for you.
What is the weight of a typical 40v string trimmer?
The weight of a typical 40v string trimmer can vary depending on the brand and model. However, most 40v string trimmers weigh between 8 to 10 pounds. Some models may be lighter or heavier depending on their design, materials used, and features. It is important to consider the weight of the trimmer when purchasing one, especially if you plan on using it for extended periods of time. A heavier trimmer may cause fatigue and strain on your arms and shoulders, while a lighter one may be more comfortable to use. It's always a good idea to test out different models and weights to find the one that works best for you and your needs.
Which brands offer the best 40v string trimmers?
There are several brands that offer 40v string trimmers with top-notch features and performance. Some of the best brands include Greenworks, DEWALT, EGO, and Kobalt.
Greenworks is known for its powerful and reliable string trimmers that are perfect for both residential and commercial use. Their 40v string trimmers are equipped with high-quality batteries that provide long-lasting power and efficient operation.
DEWALT is another brand that offers some of the best 40v string trimmers in the market. Their string trimmers are highly durable and provide excellent performance in all types of cutting tasks.
EGO is a popular brand that offers 40v string trimmers with exceptional battery life and cutting power. Their trimmers are designed to handle tough weeds and grass with ease, making them perfect for heavy-duty use.
Kobalt is another excellent brand that offers high-quality 40v string trimmers that are ideal for both residential and commercial use. Their trimmers are equipped with powerful batteries that provide long-lasting power and efficient operation.
Overall, these brands offer some of the best 40v string trimmers in the market, and you can choose the one that suits your needs and budget.