10 Best String Trimmers in 2021

best string trimmer

The key to a well-maintained, healthy garden is a string trimmer. If you want to keep your lawn fresh and luscious, you need to make sure to trim the overgrowth areas and get rid of those stubborn weeds. And what better way to do that than a high-quality string trimmer.

However, remember, not just any string trimmer won’t do the job! Choosing the right string trimmer is crucial as it will affect your overall experience and performance. This is why we bring you the 10 best string trimmers on the market today. Each of these trimmers come in different varieties and offer different features. 

Hence, you can read through the detailed reviews and hopefully pick a string trimmer that best suits your garden.

In a rush? Check out our top picks:

Best Overall:

BLACK+DECKER LST136

BLACK+DECKER LST136
  • Affordable
  • Great battery backup
  • Features a PowerCommand dial to adjust RPM
  • Lightweight

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Premium Choice:

Husqvarna 128LD

Husqvarna 128LD
  • Energy-efficient
  • Easy to use
  • Powerful engine
  • High-performance

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Best Budget:

Greenworks 21212

Greenworks 21212
  • Low-cost solution
  • Lightweight and portable
  • Powerful 4amp motor
  • Automatic feed system

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1. BLACK+DECKER LST136 String Trimmer

BLACK+DECKER LST136 String Trimmer

With over 5000 reviews and a 4.5/5 rating on Amazon, there is no denying that the BLACK+DECKER LST136 string trimmer has won the hearts of thousands of customers. The brand itself is well-known in the market of tools and machinery. Hence, when you come across a BLACK+DECKER product, you know you’re in the right place!

It runs on 40V MAX lithium-ion battery and offers an efficient, convenient, and cordless performance. The battery performance is top-notch. It supports fast charging and can conveniently trim just about any regular-sized lawns on a single charge. 

With a 13-inches cutting swath, 52-inches shaft, Automatic Feed Spool system, and a maximum 8500 RPM, you can easily whack your way through tough weeds without any hassle. Additionally, it also offers a lower RPM at 6500 for less-problematic areas and to increase battery life.

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Pros:

  • Features a PowerCommand dial to adjust RPM
  • Affordable
  • 13-inches long cutting swath with Automatic Feed Spool
  • Great battery backup
  • Lightweight

Cons:

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2. Husqvarna 128LD String Trimmer

Husqvarna 128LD String Trimmer

When it comes to premium string trimmers, Husqvarna is bound to make an appearance. The brand has been manufacturing some of the best string trimmers in the market. And their 128LD model is one of the most impressive ones! Yes, there is no denying that the price is relatively higher than other traditional string trimmers. But given their efficiency and functionality, the price can be justified!

At a total weight of 11 pounds, this trimmer works on a powerful 28cc 2-cycle engine. When combined with its 17-inch long cutting head, this powerful engine delivers nothing but high-performance and fast trimming! Also, since it uses both 2-cycle engine oil and unleaded gas, the Husqvarna 128LB string timmer becomes a more sustainable choice.

Another impressive feature about this trimmer is its unique Tap ‘N Go line release feature that requires you to just tap the trimmer head against the ground to release a new trimmer line every time.

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Pros:

  • Energy-efficient
  • Powerful engine
  • Long cutting head
  • Easy to use
  • Tap ‘N Go line release technology
  • High-performance

Cons:

  • Relatively higher in price than other string trimmers

3. Greenworks 21212 Electric Corded String Trimmer

Greenworks 21212 Electric Corded String Trimmer

The Greenworks 21212 model is one of the most impressive string trimmers that you can find in the market at such an affordable price. If you’re looking for a low-cost solution to fix your lawn without spending much, this string trimmer is a go-to!

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This unit comes in two variants – corded and battery-operated. Hence, you can buy the one that’s more convenient for you. With a total weight of just 7 pounds, this string trimmer is also one of the most lightweight and portable models out there.

The electric corded string trimmer uses a 4amp motor for non-stop grass cutting in a quick and efficient way. It has a 13-inch cutting head that supports the auto-feed system. Additionally, this string trimmer is beginner-friendly and super easy to use with a simple on/off button. It also comes with an adjustable shaft that adds to your convenience.

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Pros:

  • Low-cost solution
  • Powerful 4amp motor
  • Adjustable shaft
  • Automatic feed system
  • Lightweight and portable
  • Super easy to use

Cons:

  • Requires a power source

4. DEWALT DCST920B String Trimmer

DEWALT DCST920B String Trimmer

For those of you that don’t like spending much time outdoors and want to trim your lawn as quickly as possible, the DEWALT DCST920B string trimmer can be an ideal pick! With a 13-inch cutting swath and speed control switches, everything about this string trimmer focuses on increasing efficiency and enhancing work experience.

It offers a variable high/low-speed control switch that helps you manage your performance between more battery life or more power. For ultimate efficiency and durability, this unit also offers a brushless motor. It is not only robust and powerful for trimming the toughest growth areas but also silent enough for noise-sensitive properties.

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Pros:

  • High-performance
  • Requires less maintenance
  • Tough and durable
  • Low noise
  • Variable speed control
  • Brushless motor power

Cons:

  • Not as lightweight as other string trimmers on this list

5. EGO Power+ 15-Inch Brushless String Trimmer

EGO Power+ 15-Inch Brushless String Trimmer

EGO Power+ is a well-known brand in the market of outdoor power tools. And their creations have always been top-notch and of the highest quality. In particular, this model is one of the most efficient and finest string trimmers from the brand. It offers all basic features that you can expect from a decent string trimmer along with other advanced features.

It is a cordless string trimmer that runs on a 56V lithium-ion battery and a brushless motor for high-efficiency performance. It offers a large 15-inch cutting swath and supports variable speed control. 

Changing lines on this trimmer is super easy with a bump-feed head system. And its 49-inch extended aluminum shaft makes it super convenient for you to reach tough areas. Additionally, this trimmer has a weather-resistant exterior making it extremely sturdy and durable.

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Pros:

  • Weather-resistant and durable
  • Powerful battery 
  • Brushless motor
  • High-performance trimmer
  • Great aluminum shaft length
  • Variable speed control

Cons:

Spool replacement is quite difficult.


6. Remington RM2510 String Trimmer:

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When it comes to affordability and reliability, Remington is among the frontrunners. The brand has manufactured some amazing power tools in the market that excel both in quality as well as budget. And their RM2510 string trimmer is no exception! 

This string trimmer is powered by a 25cc 2-cycle engine and includes a 16-inch cutting swath, which is more than enough for whacking through large patches of overgrown grass and tough weeds. It is a versatile trimmer with a curved shaft design for added convenience.

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Like other quality trimmers, the RM2510 refills the trimmer line with a dual-line bump-head system. It also features a Quick Start technology that offers a user-friendly and hassle-free experience!

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Pros:

  • Affordable
  • Quick Start technology
  • 25cc 2-cyle engine
  • Versatile and durable
  • Dual-line bump-head system

Cons:

  • Not suitable for heavy-duty trimming

7. BLACK+DECKER LSTE525 String Trimmer

BLACK+DECKER LSTE525 String Trimmer

Here we have another excellent string trimmer from the BLACK+DECKER brand. If you want a versatile and heavy-duty trimmer that will help you whack through tough weeds and stubborn grass overgrowths, this trimmer can make your job convenient and hassle-free!

With a 20V MAX lithium-ion battery and PowerDrive transmission, the LSTE525 string trimmer performs exceptionally well with increased torque and cutting power. It also allows you to set the cutting speed. Feeding your cutting line is also super easy on the LSTE525 trimmer with just a simple touch of a button.

Additionally, it is highly functional as you can either switch between a trimmer and wheeled edger according to your lawn’s condition. Other impressive features about this machine include an adjustable shaft, excellent handle grip, and lightweight construction.

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Pros:

  • Lightweight
  • Versatile and Powerful
  • 2-in-1 functions: trimmer and wheeled edger
  • Speed settings
  • Excellent cutting power: 5500-7200RPM
  • Suitable for any kinds of lawn

Cons:

  • Battery power needs improvement

8. Ryobi 18V One Plus Line Trimmer

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Next up, we have the Ryobi 18V One Plus Trimmer. It is one of the most versatile and affordable string trimmers on the market today. With a total weight of just 4.63 pounds, it is also one of the most lightweight models out there. However, don’t underestimate this beast because of its lightweight design. The trimmer is designed for efficiency and high-performance and works well even in large dense lawns.

Since it is lightweight, you can easily go on trimming your lawn for about 30-45 minutes without getting tired. It runs on an 18V battery and features an adjustable 13-15 inches of cutting capacity. We call this string trimmer one of the most versatile units as it is compatible with the complete range of Ryobi attachments. You can buy the parts and easily convert this unit into an edger, pole saw, blower, or brush cutter.

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Pros:

  • Very affordable
  • Versatile
  • Lightweight
  • Durable
  • Comes with a Five-year warranty

Cons:

  • Not suitable for tall people

9. WORX WG163.8 String Trimmer

WORX WG163.8 String Trimmer

WORX is another leading brand among several other power tool companies. Their WG163.8 string trimmer is among the top-rated products with more than 8000 reviews on Amazon. For its price, the WG163.8 is a total steal! It offers such great features that you can expect from a high-end model.

It has a 12-inch cutting swath that runs on a 20V MAX lithium-ion battery for a fast and efficient cutting experience. This trimmer also features an innovative Command Feed technology for feeding your cutting lines without bumping your trimmer head. Additionally, the telescopic shaft allows you to adjust the height and convert it into an edger.

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10. ECHO SRM-225 String Trimmer

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If you’re looking for a lightweight string trimmer that comes with a relatively long shaft, you might want to consider the ECHO SRM-225 String trimmer. 

It is a gas-powered trimmer that comes with a 21.2cc engine. While the engine is not quite up to mark, the trimmer offers a great cutting capacity with a 17-inch swath. Thus, this string trimmer works quite well for any type of lawn and grass. Additional features include an advanced bump feed system, an anti-vibration handle, and a 2-stroke engine.

The shaft is about 59-inch in length, making it more ideal for taller people. 

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Pros:

  • Easy to use
  • Anti-vibration handle
  • Hassle-free experience
  • Suitable for taller people
  • Great cutting swath capacity

Cons:

  • The engine is not very powerful.

String Trimmer Buyer’s Guide:

Here are some things that you need to keep in mind while buying the best string trimmer:

Power:

The first thing you should check while buying a string trimmer is the power source. There are two primary models: corded/cordless electric trimmers and gas-powered trimmers. Both models have their own advantages and disadvantages. Thus, choosing the right power source depends on your preferences and lawn requirements.

Having said that, the cordless electric trimmer does have the upper hand since it doesn’t require any extension cords and is overall more convenient and efficient. However, a gas-powered trimmer is more suitable for heavy-duty tasks and larger lawns.

Shaft:

The next important aspect to consider is the shaft of the trimmer. You can find three major shaft types – adjustable, curved, and straight. Curved shafts are great for trimming hard-to-reach spots and offer superior control while cutting. On the other hand, a straight shaft is a better option for trimming narrow and tight space. Thus, you can choose the type that suits your lawn best.

Both curved and straight shafts are usually adjustable. Also, most high-quality brands offer adjustable shafts to perfectly match your height and deliver superior precision and comfort while cutting.

Feed lines:

String trimmers either use a single-line head or dual feed lines. The former is a better option for smaller lawns. They are also more convenient when it comes to refilling the lines. However, the dual feed lines are suitable for larger lawns and heavy-duty cutting as they cut twice as much grass with every revolution. 

Weight:

Weight is another important factor as it can affect the overall performance of your trimmer. Getting a super lightweight trimmer will not be the best option for heavy-duty tasks. Thus, depending on your workload, choose an ideal weight that’s not too light or too heavy.

Trimmers that come with weights ranging from 5 lbs to 15 lbs are quite portable and won’t cause much fatigue while working. 

Conclusion:

Several types of string trimmers come with different features. Additionally, there are hundreds of excellent brands that manufacture high-quality trimmers. Hence, choosing the right string trimmer completely depends on your preference and lawn requirements.

If you have a small lawn that doesn’t need much maintenance, you can go for a lightweight machine that comes with a single feed line and offers some decent cutting capacities. On the other hand, for larger lawns and tough weeds, go for more sturdy options, preferably with a high-powered engine.

Written by:

Hi there! My name is Herbert Miller and I´m one of these you could call a real handyman. My hobby is to fix everything whenever it comes to cars or stuff in my garden. I created this website to share my knowledge with all the different tools I have tried through the years.