14 Best Electric String Trimmers (Weed Eaters) Review – In 2021

An electric string trimmer uses a flexible monofilament instead of a cutting blade to cut and trim out the grass and weeds. It is not only applicable on level ground and garden areas but also on the steep and irregular terrain. There are two types of electric string trimmers available, one is corded, and the other is cordless. If you have an outdoor outlet and your garden area is not too big, the corded ones are the best for you. Otherwise, for a larger area, cordless ones are the only ones to opt for. The following is the list of the best electric string trimmers that you can buy to trim the weeds and grasses in your garden, backyard, or farm.

List Of Best Electric String Trimmers (Weed Eaters) In 2021

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#14. 5 Amp 13″ Electric String Trimmer

BLACK+DECKER ST8600 5 Amp 13


This electric swing trimmer can cut the toughest weeds and grasses. It is very portable as well as lightweight. It comes with a powerful 5.0 amp motor as well as PowerDrive transmission. You can also use as an edger, and it comes with an adjustable height. The handle is transformable into many positions and can easily convert it from a trimmer to an edger. It will avoid any accidental cord disconnection while working with its cord retention system. Furthermore, this will take care of the overgrown grasses and has got a 13-inch cut swath. On top of that, this has an automatic feed spool and is also safe and easy to use.

#13. 12-Inch 24V Cordless String Trimmer/Edger

Greenworks 12-Inch 24V Cordless String Trimmer-Edger

By – Greenworks

This electric swing trimmer is cordless which allows you to move anywhere you want. It has got an edging wheel which allows easy trimming and edging. This also works with electricity, and therefore, there will be no hassle to start, and you can also avoid gas and fumes. The cut path is 12 inches and comes with a battery and charger. Moreover, this is lightweight and can run up to 25 minutes.

It is maintenance-free and has got three-position pivoting head. Besides, it allows the trimmer to reach in some of the most difficult places. It will cut through the weeds very fast and operates with less noise. Above all, it is convenient and gives you hassle-free working. The pole is adjustable and is a perfect tool for your garden or lawn.

#12. 20V PowerShare 10″ Cordless String Trimmer

Worx WG155 20V PowerShare 10 Cordless String Trimmer

By – Worx

This is an easy to use electric string trimmer which you can also use as an edger. It is cordless and will give you an effortless-task in clearing the unwanted weeds and grasses. The product has got a fully adjustable trimming head that works with a 20-volt lithium battery. Furthermore, it is quick in charging and has got automatic line feeding.

Additionally, there is also a telescopic shaft and is a very lightweight product. You don’t require any tool to convert this into an edger within seconds. It will give you maximum control and comfort. So say no all those cord tangles, oil, and smoke as this gets electrically started. Besides, the rubberized wheels roll very easily, allowing you to move freely.

#11. 14-Inch 40V Cordless String Trimmer

Greenworks 14-Inch 40V Cordless String Trimmer

By – Greenworks

In this electric string trimmer, there is a brushless motor which provides greater torque. It has got higher battery efficiency and performs in a quieter mode. This is compatible with many tools and starts in just seconds. It has got 60 minutes of battery runtime and requires 40V of power to charge the battery. The string trimmer is 14 inches and extends the life of the motor.

With its single battery, it will fit in all 40V tools. Besides, this is also lightweight and you can easily carry it from one place to another. It comes with a warranty of two years and has got three battery systems. This is your solution in your lawn and is way efficient than a gas-run trimmer. It definitely qualifies as one of the best electric string trimmers to opt for.

#10. 20V Max Electric String Trimmer



In this electric string trimmer, there is a PowerDrive Transmission which enhances the torque. It comes with two-speed controls which is useful for runtime and power. Within seconds, you can convert it from a trimmer to a wheeled edger. The nominal voltage for charging the battery is 18 volts, and it requires no bumping with its easy feed technology.

It will finish your endless task within a quick time. This is very convenient to hold and move from one place to another. Besides, it has got a 12-inch swath and has got adjustable height. Even the handle can is adjustable according to your comfort. The lightweight product can trim the overgrowth of your lawn and is very useful in maintaining your lawn.

#9. 20V MAX Electric String Trimmer



This electric string trimmer allows you to convert it into a wheeled edger quickly. With a cutting swath of 12 inches, this can dig into some of the hard areas and trim the grasses. It has got two-speed controls for both for power or runtime. Its line diameter is 0.065 inches and has got EASYFEED which allows you to advance your line by just pushing a button.

It comes with a lithium battery and is a perfect tool for your lawn or garden. The trimmer gives better torque with its Power Drive Transmission. Furthermore, there is also an adjustable handle as well as height and you can adjust according to your comfort. This is lightweight, and you can move it anywhere with ease.

#8. 4.4-amp Electric Automatic Feed String Trimmer

BLACK+DECKER ST7700 4.4-amp Electric Automatic Feed String Trimmer


This has got a strong 4.4 Amp motor which is ideal for both trimming and edging. It will cut grass from the hardest to reach areas and is a very lightweight product. The trimmer comes with a cord retention system which avoids unwanted plugging and prevents accidents. Moreover, this has got an auxiliary handle which is very comfortable while holding.

The product comes with a warranty of two years and has got a cutting width of 1,300. This can trim heavy weeds and grasses. The powerful motor works at 10,000 rpm and will allow you to work with less fatigue. Besides, it will give no bumping and will cut automatically with its string. This is a single line trimmer which performs much better than a double-line trimmer. Hence, it is one of the best electric string trimmers on the list.

#7. 20V Electric String Trimmer With Battery + Charger

Worx 20V Battery + Charger Included 20-Volt

By – Worx

This is a 3-in-1 electric string trimmer which you can also use for mowing and edging. It comes with the dual-position, and you can quickly change it into an in-line edger from a trimmer. The product is cordless and works with a 20V lithium battery. It comes in an ergonomic design and weighs very less. You can use the battery on all other 20V tools.

The trimmer has got a cutting diameter of 12 inches and has got telescopic height adjustments. This can also be tilted and gives no bump. Additionally, it comes with a flower-spacer guard which does not destroy your vegetation by acting as an edger guide. It has got pristine wheeled edging and is very efficient and portable. This is easy to use and has got seven handle locking adjustments.

#6. 18-Inch 10 Amp Corded String Trimmer

Greenworks 18-Inch 10 Amp Corded String Trimmer

By – Greenworks

This is a simple electric string trimmer which is very lightweight. It can be started very smoothly and has got a cord lock feature which makes it very convenient to use. The powerful 10 Amp motor is very efficient, and it has got a straight shaft. There is also a dual-line bump feed and is a beneficial product for your lawn and pathways.

Furthermore, it comes with a quick-connect coupler which makes attachment changes very fast and easy. This is perfect for small yards and has got a runtime of almost 55 minutes. The motor will be able to tackle the toughest weeds in the yard and will operate with less noise. With this, you don’t require any battery and also does not require any charging.

#5. GH900 String Trimmer

BLACK+DECKER GH900 Gh900 String Trimmer


In this electric string trimmer, there is an automatic feed system which will give you continuous work without any bumping or hassle. It comes with 6.5 Amp motor which has got high torque transmission and will provide maximum performance. There is also a 13-inch cut path which makes the trimming task very quick. You can work continuously without any bumping as it comes with the automatic feed system.

Moreover, the trimmer is lightweight and very ergonomic in design. It has got a pivoting handle and an adjustable height. This can turn easily to an edger from a trimmer. On top of that, this gives perfect edging in flower beds and sidewalks and can trim the grass where traditional mowers can’t reach. It delivers high performance and avoids bogging down.

#4. Corded 14-Inch Electric Trimmer

Toro 51480 Corded 14-Inch Electric Trimmer

By – Toro

This is a corded electric string trimmer which comes with 5 Amp motor. It has got a wide, dual-line cutting head of 14 inches which makes your work faster. This can turn into an edger and has got an auto-feed trim line. It comes with an adjustable handle assist and has got a telescopic shaft. You can adjust it in any position and use it according to your preference.

It has got a 2-year warranty and is perfect for your clearing sidewalks. It has got many positive reviews from its users and is a very useful product. Moreover, it has an ergonomic design and it is also lightweight and will make your task effortless. The shaft is made up of rust-free aluminum and is very durable.

#3. 20V MAX Lithium High Performance Trimmer

BLACK+DECKER LST420 20V MAX Lithium High Performance Trimmer


Another highly powerful electric string trimmer, this one requires 2.0 lithium batteries to operate. It will perform the job much faster and has a very powerful motor. The product comes with runtime extension technology and has also got a dual-mode accelerator switch. It delivers high performance and will run for a longer time. Besides, you can use the battery for other tools. The trimmer cum edger comes cordless and will allow you hassle-free trimming.

Furthermore, the wheeled edging feature conveniently changes it into an edger. This works better when you compare it to gas trimmers and is ideal for edging and trimming. Moreover, it is very easy to start and very quiet while operating. Both the handle and the height are adjustable and this is why it is one of the best electric string trimmers.

#2. 13-Inch 4 Amp Corded String Trimmer

Greenworks 13-Inch 4 Amp Corded String Trimmer 21212

By – Greenworks

This is a very lightweight and easy to use electric string trimmer which has got an adjustable handle. It gets electrically started and is perfect for medium-sized yards. It has got a 13-inch cut path with a dual-line auto-feed of .065. This is very efficient when compared to gas trimmers and will not emit any gases.

This comes with a warranty of four years and is a perfect tool for your lawn. This will get your job done much faster and is a very reliable product. Additionally, this is also a maintenance-free product and has many positive reviews from its genuine users. It is a two-in-one product which will not disappoint you with its performance.

#1. 40V MAX Lithium String Trimmer

BLACK+DECKER LST136W 40V MAX Lithium String Trimmer


This top electric string trimmer has the ability to deliver more power. It will make your trimming task much faster and come with a 40V lithium battery. It gives a longer runtime, and there is also a PowerCommand dial which provides you with the option to choose from maximum runtime and maximum power.

Besides, this will not give any bumping and will work continuously with its automatic feed spool. By quickly turning off the shaft, you can convert into an edger. This comes with a 13-inch trimmer which cut deep. You can perform your task hassle-free with this trimmer. It is lightweight and has got a cutting width of 1,300 inches. It will tackle even the toughest weed as well as the overgrowth.

Electric String Trimmers Buying Guide

There are certain things that you should know when buying electric string trimmers. If you are new to them, this buying guide is here to help you out. With just a few taps, and you will get to choose the right electric string trimmers right away. So let’s find out what they are with us below.


Comfort is important when you use a string trimmer especially the electric type. Ergonomic design allows you to handle the tool with great comfort in the hand, and it allows for easy control also. Some even let you make constant adjustments as well which is extra convenient to use. If you want some extra comfort, you should look for the electric string trimmers with adjustment shaft lengths or handles. In case there are multiple people who will use the tool, they can easily customize the size.

Noise Output

The good thing about electric string trimmers is that they are more quiet compared to the gas type. Despite the fact that they are quieter, we still recommend you to wear ear protection while running string trimmers. There are many ear protection types out there that you can find, so it shouldn’t be too difficult. This part is important because it can cause discomfort or some hearing problems if you use it on a daily basis.


Electric string trimmer of different size and length come with different weight. You have to make sure that the weight is light and convenient enough for you to handle and carry. That way, you won’t have to worry that there will be hand fatigue or any discomfort at all. Also, you will find it extremely difficult to use a pole pruner attachment if you cannot lift the tool. Weight is very important so don’t overlook this part.

String Trimmer Types

Generally, there are 3 main different types of string trimmer that you can use. Each type is unique and helpful in their own way, so let’s see what they are below.

Battery String Trimmers

Simply charge your battery, and you will get your string trimmer to work right away. It is convenient and simple, and it is ideal for light jobs in smaller areas since they have less power. This type is quite popular because they are very comfortable to have and use.

Electric String Trimmers

As for this type, they are ideal for smaller jobs around the house that are closer to home. You have to know that electric string trimmers require power from the electricity. So you have to make sure that there is a power source nearby to get the tool to work. This type is suitable for doing basic jobs around the home, and they can run as long as you want them to.

Gas String Trimmers

Just like the name suggests, this type requires gasoline to run. Gas string trimmers offer a longer run time, and they are usually lighter in weight. This type is more common for larger jobs since they are more powerful and more comfortable to use.


The corded electric string trimmers are lightweight and less costly. The cordless ones are expensive and heavy due to the presence of the battery. The best part is that the battery is compatible with other products like lawn mowers, leaf blowers, chain saws, and likewise. The power of the cordless ones is equivalent to gas trimmers. Do go through the description of the product minutely in order to buy the best electric string trimmer out of the list.

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