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Best 40 Volt Cordless String Trimmer (2024 Update)

If you’re looking for a hassle-free way to keep your lawn looking neat and tidy, a 40-volt cordless string trimmer might be just what you need. With the advancements in technology, these trimmers now come with powerful batteries that can run for longer periods without needing a recharge, making them perfect for larger gardens or properties.

Before buying a 40-volt cordless string trimmer, there are several factors to consider. It’s important to first evaluate the size and terrain of your lawn to determine the optimum cutting width and power. You should also consider the weight of the tool and whether it is comfortable to hold and maneuver, especially when trimming around tight corners and hard-to-reach areas. Finally, you may want to assess any additional features, such as adjustable height and angle or compatibility with different attachments, to ensure you get the best value for your money.

Are you tired of dragging heavy equipment around your yard or dealing with the hassle of extension cords? A cordless string trimmer could be the solution you’ve been searching for. These versatile tools offer convenience, portability, and efficiency, allowing you to trim the grass and edges of your lawn with ease. But with so many brands and models available in the market, it can be challenging to choose the best option for your specific needs. Keep reading to discover the key factors that you should consider when purchasing a cordless string trimmer.

Table of Contents

10 Best 40 Volt Cordless String Trimmer

# Product Image Product Name Product Notes Check Price
1
Ideal for trimming and edging small to medium lawns and yards, powered by a cordless 40V battery.
2
The product is ideal for trimming and edging lawns with its cordless, attachment-capable, and powerful features.
3
Ideal for trimming and edging small to medium-sized lawns with no emissions or cords.
4
Ideal for lawn trimming and edging, powered by a 40V battery with lightweight design for easy use in gardens.
5
Ideal for trimming and edging small to medium-sized lawns with its lightweight design and powerful battery-operated motor.
6
Ideal for homeowners who want cordless lawn maintenance with powerful trimming and easy-to-use sweeping capabilities.
7
Ideal for trimming and edging small to medium-sized lawns with its attachment capability, cordless feature, and long-lasting battery.
8
Ideal for trimming and edging small to medium lawns with cordless convenience, included battery and wheeled edging feature.
9
Ideal for trimming and edging small to medium-sized lawns with a cordless, lightweight design and adjustable cutting width.
10
Ideal for trimming grass and weeds in hard-to-reach areas with its cordless and attachment-capable design.
Ideal for trimming and edging small to medium lawns and yards, powered by a cordless 40V battery.
The product is ideal for trimming and edging lawns with its cordless, attachment-capable, and powerful features.
Ideal for trimming and edging small to medium-sized lawns with no emissions or cords.
Ideal for lawn trimming and edging, powered by a 40V battery with lightweight design for easy use in gardens.
Ideal for trimming and edging small to medium-sized lawns with its lightweight design and powerful battery-operated motor.
Ideal for homeowners who want cordless lawn maintenance with powerful trimming and easy-to-use sweeping capabilities.
Ideal for trimming and edging small to medium-sized lawns with its attachment capability, cordless feature, and long-lasting battery.
Ideal for trimming and edging small to medium lawns with cordless convenience, included battery and wheeled edging feature.
Ideal for trimming and edging small to medium-sized lawns with a cordless, lightweight design and adjustable cutting width.
Ideal for trimming grass and weeds in hard-to-reach areas with its cordless and attachment-capable design.

1. Greenworks 40v 14 Inch Brushless Cordless String Trimmer, 2ah Battery And Charger Included St40l210

This product boasts an impressive run time of up to 30 minutes when fully charged with its included 2.0AH Battery and charger. The brushless motor design provides reliability and delivers more power, resulting in a longer run-time and overall lifespan compared to traditional brushed motors.

Not only is this product efficient, but it is also lightweight and easy to use. The 40V 2AH li-ion battery and charger are included for your convenience. It is important to note that this product is compatible with battery and charger models 29462, 29472, and 29482.

2. Worx Nitro Cordless String Trimmer – Pro Attachment

Introducing the Worx Nitro outdoor tool, designed to provide gas-like power, performance, and runtime without the hassle of gas. With a 15-inch dual-exit cutting head, the Worx Nitro offers a professional-grade user experience with an easy-load trimmer head for your convenience.

The Worx Nitro is equipped with a brushless motor that runs 50% longer, is 25% more powerful, and has a 10% longer lifespan compared to conventional motors. This makes the Worx Nitro an efficient and reliable tool that you can count on for all your outdoor needs.

The Worx Nitro is powered by Worx Power Share PRO intelligent batteries that deliver extended run times, heat protection, and impact protection. These high-capacity batteries are compatible with all Worx 20V and 40V tools, outdoor power, and lifestyle products.

The Nitro 40V 15” Driveshare String Trimmer has a split-shaft design that accommodates various attachments for other yard tasks, making it a versatile tool that can handle multiple tasks. The Worx Nitro is also equipped with variable speed control with ECO-mode for ultimate control and runtime maximization.

The Worx Nitro is designed with universal compatibility and fits most other brand's attachment-capable trimmer systems. You can use it with other brands' attachments to expand your tool collection and complete your outdoor tasks with ease.

The Worx Nitro package includes the Nitro 40V 15” Driveshare String Trimmer, one replacement easy-load trimmer head, two 4.0Ah Power Share PRO batteries (WA3012), and one dual slot charger (WA3884). With this package, you have everything you need to get started with your outdoor tasks.

Upgrade your outdoor tool collection with the Worx Nitro and experience gas-like power, performance, and runtime without the hassle of gas. It's a reliable and efficient tool that you can count on for all your outdoor needs.

3. Greenworks 40v 12" Cordless String Trimmer, 2.0ah Battery And Charger Included

The 40V String Trimmer is the perfect solution for tackling even the toughest grass and weeds in your yard. With a 12” cutting path and .065” line, the auto feed head makes it easy to quickly advance the line for uninterrupted trimming. The variable speed trigger allows for complete control over cutting speed, so you can easily maneuver around plants and shrubs.

Weighing in at an ultra-lightweight design, the trimmer is easy to handle, and superior ergonomics ensure that you can work for longer periods without experiencing fatigue. The push button start makes it easy to get started, and the included 2.0Ah battery recharges in just 60 minutes.

The 40V String Trimmer is virtually maintenance-free, with no gas, no oil, and no emissions. It starts instantly, is quiet, and delivers the power you need. Whether you're a professional landscaper or just looking for a reliable tool to maintain your yard, this trimmer is the perfect choice.

4. Powerful Lawn Care In Your Hands

The Diivoo 2-in-1 Trimmer and Edger is a versatile lawn tool that can easily transition from trimming to edging with a simple turn of the head. Its rubber wheels provide support and guidance, making it easier to create straighter lines and cleaner cuts along the edges of your lawn, resulting in a neat and pristine finish.

Designed with user comfort in mind, the Diivoo trimmer edger features a 360° adjustable handle that allows for a comfortable working position at all times. The telescopic pole can be adjusted to any length between 5' and 6' to accommodate users of different heights, reducing fatigue during prolonged use and enabling you to enjoy gardening with ease.

This cordless trimmer is ideal for all terrains, thanks to its cordless design that allows you to take it anywhere without the limitations of corded models. With a 13-inch cutting swath, durable 0.063” diameter nylon line, and 4-angle adjustable head, you can reach any slopes and tight spots with ease. It is important to note that the package only comes with one spool.

The Diivoo Electric String Trimmer is powered by a high-capacity 40V 2.5Ah lithium battery that supports 3A fast charging, taking only 50 minutes for a full charge and providing a runtime of up to 45 minutes. Its powerful motor delivers a steady speed of up to 8500 RPM, allowing it to easily and quickly tackle high and thick grass while producing operational noise below 96 dB.

Weighing only 11 lbs, this mighty trimmer is lightweight and compact, making it easy to hold in one hand, which is friendly to users who work long hours. It can also be folded to only half of its original length, occupying less storage space in your garage or shed.

The Diivoo cordless trimmer also features a 2-step safe start mechanism that requires the safety lock to be pressed and the trigger to be pulled simultaneously to avoid accidental activation. Additionally, the enlarged guard protects the user from discharged grass clippings, and the trimmer comes equipped with a flower guard to prevent damage to plants, landscape features, or lawn ornaments during trimming.

5. Black+decker 40v Max* String Trimmer / Edger, 13-Inch (Lst140c)

The High-Performance 40V Max Lithium-ion Battery with State of Charge Indicator is a top-of-the-line power source that delivers exceptional performance and reliability. With a nominal voltage of 36, this battery is capable of delivering cutting-edge power that can tackle even the toughest jobs with ease. The state-of-charge indicator provides you with real-time information on the remaining power, allowing you to work without interruption.

Equipped with Power Drive High-Torque Transmission, this trimmer delivers impressive cutting power at the string, making clean, fast cuts that leave your lawn looking neat and tidy. Whether you're trimming grass, weeds or other vegetation, this trimmer can handle it all.

The Automatic Feed Spool (AFS) is another impressive feature that sets this trimmer apart from the competition. It automatically feeds trimmer line as needed, eliminating the need for bumping and ensuring that you always have enough line to get the job done.

In addition, this trimmer is designed for versatility and convenience. With its quick and easy conversion from trimmer to edger, you can switch between tasks in seconds, without the need for additional tools or equipment. Whether you're trimming around flower beds, sidewalks, or other obstacles, this trimmer has you covered.

6. Black+decker 40v Max Cordless Sweeper & String Trimmer Combo Kit (Lcc340c)

The LST140 40 volt max string trimmer/edger with power drive high torque transmission is an excellent tool for those who want clean and fast cuts. With its powerful motor, users can easily trim and edge their lawns with precision. The automatic feed spool AFS is a convenient feature that automatically feeds the trimmer line as needed, making trimming and edging a breeze.

The LSW40 40 volt max sweeper is another great tool that can easily clear debris from hard surfaces with its wind speed of up to 130 MPH. Its low noise design ensures quiet operation, making it an ideal choice for those who don't want to disturb their neighbors.

Both units offer a 'state of charge' indicator which shows your battery charge level, so you never have to worry about running out of power during use. Additionally, these products are compatible with our 36 volt lithium Ion system, adding to their versatility and convenience.

7. Greenworks Cordless String Trimmer With Attachments.

The versatile GreenWorks Attachment Capable Brushless Motor String Trimmer is a must-have for any homeowner or professional landscaper. With its ability to accept most gas attachments, this tool provides multiple uses to help keep your yard looking its best.

Equipped with a powerful brushless motor, this string trimmer delivers greater torque, quieter operation, and higher battery efficiency. You'll love how it starts up within seconds, providing gas-like performance without the hassle of mixing fuel or dealing with fumes. Plus, the battery is compatible with multiple GreenWorks tools, making it a smart investment for anyone with a larger collection of outdoor power equipment.

The package includes both the battery and charger, and the tool is compatible with battery models 29462 and 29472 as well as charger 29482. This means you'll have everything you need to get started right out of the box, without any additional purchases required.

This GreenWorks string trimmer is also compatible with the GreenWorks Replacement Bulk String, Model 2906302. This makes it easy to find the right replacement string when you're ready to tackle tough weeds and overgrowth.

8. Powerful Cordless Trimmer And Edger With Batteries Included.

The 2x20V Trimmer & Edger is a powerful and versatile tool that can help you achieve professional-looking landscaping in your yard. It is powered by two 20V MaxLithium PowerShare batteries, which provide a total of 40V of power and performance. This means you'll have all the power you need to tackle tough weeds and grasses.

One of the most convenient features of this tool is its ability to easily convert from a trimmer into an in-line wheeled edger. This is great for when you need to switch between tasks quickly and efficiently.

The Worx Power Share system is what makes this tool truly special. It is compatible with all Worx 20v and 40v tools, outdoor power and lifestyle products. This means you can use the same battery for multiple tools, which saves you money and makes your life easier.

The innovative Command Feed spool system is another great feature of this tool. It offers instant line feeding at the touch of a button, which means you don't have to stop and manually adjust the line while you're working.

The variable speed throttle is also a helpful feature. You can increase the speed when you run into tougher grass, then dial it back down to increase runtime. This allows you to customize your work to your specific needs.

The 2x20V Trimmer & Edger also features professional-grade trimmer line for sharp edges and professionally landscaped results. The D-Grip handle allows you to grab it from any angle and make smooth, long swipes. It’s adjustable, so you can find a working position that’s comfortable for you.

The pivoting head is another great feature of this tool. It allows you to trim and edge on sloped or uneven terrain, which means you can tackle any landscaping task with ease.

When you purchase the 2x20V Trimmer & Edger, you'll receive the tool itself, (2) 20V MaxLithium Batteries, a 20V Charger, Spool, and Safety Guard. This means you'll have everything you need to get started on your landscaping projects right away.

9. Worx Wg154 20v Powershare 10" – 12" Cordless String Trimmer & Edger (Battery & Charger Included)

Introducing the ultimate tool to keep your lawn looking pristine without breaking the bank – the 2-in-1 String Trimmer and Edger. This versatile tool not only saves you time and money, but also space in your garage by combining two essential gardening tools into one.

Switching between trimming and edging has never been easier with the rotating head feature. Simply grasp the head, pull it away from the shaft, and turn it 180 degrees to switch functions. This makes it simple and efficient for all users, regardless of experience.

The 2-in-1 String Trimmer and Edger is powered by the same battery that can be found in over 75+ 20V, 40V, and 80V lifestyle, garden, and power tools in the Power Share family. This makes it easy to expand your collection of tools without having to purchase additional batteries.

Weighing in at only 4.2 lbs (3.2 lbs without the battery), this lightweight and compact tool is easy to handle for everyone. The auto-feed line feature ensures that you always have fresh string when you need it. Simply press the button when you need more line and the automatic system will take care of the rest.

The 2-in-1 String Trimmer and Edger also includes an adjustable spacer guard that prevents accidental trimming of plants, lawn decorations, and other sensitive areas of your yard. This feature is particularly useful for those who are new to gardening or have a lot of delicate areas in their yard.

Included in the package are the 20V String Trimmer & Edger, 20V MaxLithium Battery, Trimmer Spool, 20V Battery Charger, and Safety Guard. With all of these features and accessories, the 2-in-1 String Trimmer and Edger is the perfect tool for anyone looking to keep their lawn in top shape without the hassle of multiple tools.

10. Ryobi 40v Cordless String Trimmer With Battery

Introducing the latest addition to the gardening tools lineup, the brand new RYOBI 40V Attachment Capable Trimmer. This product comes in a box with all the relevant accessories included, ensuring that you have everything you need to get started right away.

One of the standout features of this trimmer is its attachment capability, which allows it to work seamlessly with RYOBI Expand-It Attachments. This feature adds significant versatility to the tool, as users can easily switch between different attachments to tackle various gardening tasks.

The RYOBI 40V Attachment Capable Trimmer also features a variable speed trigger that provides precise cutting control. This feature allows users to adjust the speed of the trimmer to suit their specific needs, ensuring that they can trim with accuracy and efficiency.

Another highlight of this product is that it is part of the RYOBI 40V range, which includes over 75 different tools. All these tools work with any RYOBI 40V battery, making it easy to switch between different tools without having to worry about battery compatibility.

This trimmer is recommended for yards up to 1-Acre, making it suitable for a wide range of gardens and outdoor spaces. It also boasts gas-like power, providing users with the performance they need to tackle tough trimming tasks with ease.

Best 40 Volt Cordless String Trimmer FAQs

Are replacement parts easily available for the best 40 volt cordless string trimmers?

Yes, replacement parts for the best 40-volt cordless string trimmers are easily available. Most manufacturers offer replacement parts for their products, and you can easily find them on their website or through authorized dealers. The replacement parts commonly needed for string trimmers include spools, lines, batteries, chargers, and blades.

When purchasing a cordless string trimmer, it is recommended to check if the replacement parts are readily available and affordable. This will ensure that you can easily repair or replace any worn-out or damaged parts, extending the life of your string trimmer. Additionally, it is essential to maintain your string trimmer, clean it regularly, and store it properly to prevent damage and the need for frequent replacement of parts.

In summary, replacement parts for the best 40-volt cordless string trimmers are easily available, and it is essential to check if they are readily available and affordable when purchasing a new trimmer.

Does the best 40 volt cordless string trimmer come with a charger and battery included?

It depends on the specific model and brand of the 40 volt cordless string trimmer that you are considering. Some manufacturers sell their cordless string trimmers as a bare tool without the battery and charger included, while others sell them as a complete kit that includes both the trimmer, battery and charger.

Before making your purchase, it is important to thoroughly research the product and read the specifications and features to ensure that you are getting the product that meets your needs. It is also important to check the product description to see if it specifically states that the battery and charger are included.

If you are unsure whether the product comes with a battery and charger, it is best to contact the manufacturer directly or reach out to a customer service representative from the retailer where you plan to purchase the product. They will be able to provide you with more information and help you make an informed decision.

Does the best 40 volt cordless string trimmer have an adjustable handle for comfortable use?

Yes, the best 40 volt cordless string trimmers usually come with adjustable handles to provide comfortable use. An adjustable handle is a useful feature that allows the user to adjust the position and angle of the handle to fit their height and body type, making it easier to maneuver and control the trimmer during use. This feature also helps to reduce fatigue and strain on the arms and back, allowing for longer periods of use without discomfort. Some cordless string trimmers also have a telescoping shaft, which further enhances the adjustability and comfort of the tool. It is important to check the product specifications or user manual before purchasing to ensure that the trimmer has an adjustable handle if this is an important feature for you.

How easy is it to change the string on the best 40 volt cordless string trimmers?

Changing the string on the best 40 volt cordless string trimmers is generally a straightforward process that can be easily accomplished by following the manufacturer's instructions. Most cordless string trimmers come with a spool of string that can be easily replaced when it runs out. To change the string, you will typically need to remove the spool cover, unwind any remaining string, and replace it with a new spool. Some trimmers also feature an automatic string feed system, which eliminates the need to manually adjust the string. Overall, the process of changing the string on a cordless string trimmer should be relatively simple and can typically be completed in just a few minutes. However, it's important to follow the manufacturer's instructions carefully to ensure that the string is properly installed and that the trimmer functions correctly.

How long does the battery life last on a 40 volt cordless string trimmer?

The battery life of a 40-volt cordless string trimmer can vary depending on the specific model and the conditions in which it is being used. Generally speaking, however, you can expect a battery life of approximately 30-45 minutes on a single charge. This should be enough time to complete most trimming tasks in an average-sized yard or garden.

It's important to note that battery life can be affected by a number of factors, including the thickness of the grass or weeds you are trimming, the speed setting you are using, and the age and condition of the battery itself. To maximize the battery life of your cordless string trimmer, be sure to follow the manufacturer's instructions for charging and storing the battery, and try to avoid overworking the tool. Additionally, it may be a good idea to invest in a spare battery so that you can keep working even if the first battery runs out of power.

What are the best 40 volt cordless string trimmers available in the market?

There are several 40-volt cordless string trimmers available in the market that are known for their performance and durability. Some of the best 40-volt cordless string trimmers include:

1. Greenworks 40V 13-Inch Cordless String Trimmer

2. EGO Power+ 15-Inch 56-Volt Lithium-Ion Cordless String Trimmer

3. Kobalt 40-Volt Max 13-Inch Straight Cordless String Trimmer

4. Black+Decker 40V Max Cordless String Trimmer

5. Ryobi 40V Expand-It Cordless Trimmer

These string trimmers are equipped with powerful batteries that provide long run times and fast charging. They also come with adjustable cutting widths and heights, making them suitable for trimming and edging in various types of landscapes. Moreover, they are lightweight, easy to maneuver, and offer quiet operation, making them perfect for residential use.

Overall, the best 40-volt cordless string trimmer for you depends on your specific needs and budget. I recommend conducting thorough research and reading reviews before making a purchase to ensure that you get the best product for your money.

What is the cutting width of the best 40 volt cordless string trimmers?

The cutting width of the best 40 volt cordless string trimmers varies depending on the brand and model. Generally, cordless trimmers have cutting widths ranging from 12 to 16 inches. Some of the best 40 volt cordless string trimmers on the market come with a cutting width of 13 inches, such as the Greenworks 13-Inch 40V Cordless String Trimmer. Others come with a cutting width of 15 inches, such as the BLACK+DECKER LST136 40V Max String Trimmer. The cutting width of a string trimmer determines the amount of grass or weeds that can be cut in a single pass. A wider cutting width means more area can be covered quickly, while a narrower cutting width is suitable for tighter spaces. It is essential to consider the cutting width of a cordless string trimmer before making a purchase to ensure it meets your needs.

What is the maximum speed of the best 40 volt cordless string trimmers?

The maximum speed of a 40 volt cordless string trimmer can vary depending on the brand and model. However, on average, the maximum speed of a 40 volt cordless string trimmer can range from 5,000 to 7,000 revolutions per minute (RPM). This speed is usually more than enough to handle most trimming tasks in your garden or lawn.

It's important to note that the maximum speed of a cordless string trimmer doesn't necessarily mean it's the best option for your needs. Other factors such as the cutting width, battery life, and ease of use should also be considered when choosing the right cordless string trimmer. It's always recommended to evaluate your specific needs and compare different models before making a purchase decision.

What is the warranty period of the best 40 volt cordless string trimmers?

The warranty period of the best 40 volt cordless string trimmers can vary depending on the brand and model. However, most reputable brands offer warranties ranging from 2 to 5 years for their 40 volt cordless string trimmers. It is important to read the manufacturer's warranty before making a purchase to ensure that you are aware of the terms and conditions. Some warranties may cover only certain parts or defects, while others may be more comprehensive. In addition, some manufacturers may offer extended warranties for an additional fee. It is always a good idea to compare warranties and read reviews from other customers before making a purchase to ensure that you are getting the best value for your money.

What is the weight of the best 40 volt cordless string trimmers?

The weight of the best 40 volt cordless string trimmers can vary depending on the brand and model. However, most of the top-rated 40 volt cordless string trimmers weigh between 8 to 12 pounds. Some manufacturers have designed their cordless string trimmers with ergonomic features to reduce the overall weight and make them easier to handle. Additionally, many cordless string trimmers have adjustable shafts and handles to accommodate different heights and body types, making them more comfortable to use for extended periods. It's important to consider the weight of a cordless string trimmer when purchasing one, as a heavier trimmer may cause fatigue and strain, especially when used for larger jobs. Overall, the weight of the best 40 volt cordless string trimmers is typically manageable and should not be a major concern for most users.