Despite the influx of lawnmowers, string trimmers maintained their higher position due to the sheer convenience that they offered to the users. A string trimmer is equipment used for grooming lawns and yards, which is mobile enough to have access to even the nooks and corners of the lawn that a regular lawn mower may find difficult to reach. It is compact enough and designed so that even the grass growth on fences and against houses can be appropriately trimmed.
Product | Features |
Greenworks String Trimmer, Cordless, 13-Inch 40V
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Greenworks String Trimmer, Cordless, 12-Inch 40V
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Earthwise String Trimmer, Cordless, 20-Volt 10-Inch, LST02010
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WEN 40413 Cordless String Trimmer, 14 Inch, 40V Max Lithium-Ion, 2-in-1
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Greenworks String Trimmer, 80V, 16-inch, Pro GST80320, Cordless
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Although numerous models are available in the string trimmer section, the battery string trimmer has earned more popularity than its counterparts. This high popularity owes to the convenience and comfort they offer. Being wireless and rechargeable, they can be carried conveniently to any part of the yard and make the best use of them. The charge time and running time may vary for such battery string trimmers. Still, the latest models of this section offer high power and high battery capacity, making them eligible to be used for heavy work too.
Battery string trimmers offer various features like a curved shaft, straight shaft, etc., from which the buyers can choose. Curved shafts are much shorter than straight shafts. While curved shafts enable the user to reach even the tiniest spaces, straight shafts help cover more area in comparatively less time.
Battery String Trimmer – Buying Guide
Being quite handy and easy to handle, battery string trimmers have been experiencing a significant boost in sales for the last several years. As many string trimmers are being sold, numerous subpar products are also being introduced to the section with the hope of scamming customers. So, it is inevitable for customers to know exactly what to look for while purchasing a battery string trimmer, and the following section intends to do the same for you.
Consider the following features before buying best Battery String Trimmer
Voltage: Despite the vast number of features offered along a battery string trimmer, the primary importance should always be given to the machine’s voltage. Usually, there are two variants of voltage that are commonly sold in the trimmer section. They are 20 V and 40 V. although 20 V may seem lightweight and easy to handle, it is always advisable to get a 40 V battery string trimmer as it will be able to provide more power to the customer, thereby reducing the effort and time put into the trimming process by the user.
Size of the lawn: When purchasing a battery string trimmer, you must consider the yard size for which you buy it. Because as powered by a battery pack, the battery string trimmers tend to run out of charge after a while, and thus, matching the battery capacity with the lawn size is highly important. 20 to 40 volts battery string trimmers would be ideal for properties up to half an acre, whereas 40 to 80 volts trimmers are ideal for yards up to an acre. It is advisable only to purchase a battery string trimmer for yards that span more than an acre, as they may need more power for such a large land span.
Features of shaft: Best battery string trimmers are available in two variants- straight and curve shafted. It is advisable to look through each of the variants’ features and check whether one suits your requirement more than the other. Also, purchasing a battery string trimmer with an adjustable shaft is advisable as it would enable the user to carry out trimming with higher convenience and versatility.
Battery String Trimmer Reviews
Numerous reputed brands are in the production of the best battery string trimmers. Despite several standard features, each offers unique features that the user needs to consider correctly before settling on any option and purchase. The following section explores the most competitive and efficient products in the battery string trimmer section. It has enclosed a detailed review of each product along with their pros, cons, and unique features, which would be handy enough for potential buyers to make an informed decision.
1. Greenworks String Trimmer, Cordless, 13-Inch 40V

Description:
- Brand: Greenworks
- Power Source: Battery
- Product Weight: 5.6 pounds
- Color: Green
- Model: 21332
Performance:
The 21332-model battery string trimmer from the brand Greenworks offers around 1300 inches of cutting width, making it ideal to be used in more extensive lawns and yards.
Comparison:
Compared to similar products, the device is extremely lightweight, making it easy for the user to push it around and get the job done much easier.
Usage:
The easy push button for the machine enables the user to start the machine easily and quickly. The user can use the device immediately after purchase if the battery is charged enough.
Pros:
- Easy to start
- Lightweight
- Flexible trimming head
- Auto feeder
Cons:
- Battery has to be purchased separately
What’s new?
The adjustable head of the trimmer lets it pivot and makes the machine highly flexible and versatile. Even the nooks and corners of a yard could be appropriately trimmed using this pivotal head of the device.
Why you should buy it?
If you are not in a position to avail expert help in assembling a string trimmer and, thus, are looking for a great machine with minimum to no assembly required, this easy-to-setup model battery string trimmer from Greenworks is highly recommended to you.

2. Greenworks String Trimmer, Cordless, 12-Inch 40V

Description:
- Brand: Greenworks
- Power Source: Battery
- Product Weight: 6.5 pounds
- Color: Green
- Model: BST 4000
Performance:
The high capacity 40 V Lithium-ion battery pack ensures high performance with fade-free power for a longer duration.
Comparison:
Compared to similar products, this battery string trimmer features a broader cutting path of 12 inches along a dual measurement line of 0.65.
Usage:
This trimmer is extremely easy to use as it is equipped with a high-efficiency auto feeder. The auto feeder makes it easy for the trimmer to rip through thicker weeds and bushes.
Pros:
- Auto feeder
- Quick charging
- Wider cutting path
- Adjustable speed
Cons:
- No charger and battery included with the product
What’s new?
Unlike the previous models, this battery trimmer is equipped with an adjustable speed trigger which can be used to regulate the speed of the head as and when required.
Why you should buy it?
If you are looking for an easy-to-use battery string trimmer that is lightweight and fast recharging, this is the ideal one for you.

3. Earthwise String Trimmer, Cordless, 20-Volt 10-Inch, LST02010

Description:
- Brand: Earthwise
- Power Source: Battery
- Product Weight: 4 pounds
- Color: Green
- Model: LST02010
Performance:
This best battery string trimmer provides up to 8800 RPMs of power to the user through a 20 Volt Lithium-ion battery pack.
Comparison:
Featuring a 10-inch cutting width, this battery string trimmer from the brand Earthwise offers a high-quality, planet-friendly trimming experience.
Usage:
It is equipped with user-friendly features like auto-feed, flip-down edge guard, adjustable handle, adjustable shaft length, etc.
Pros:
- Lightweight
- Adjustable handle
- Quick edging
- Fast recharging
- Comes with a fast charger
Cons:
- Comparatively lesser cutting width
What’s new?
The edge guard in this model is the latest addition. It can adjust and flip down the edge guard, making edging easy and quick.
Why you should buy it?
If your requirement is an eco-friendly, lightweight, fast-recharging, cordless, and highly efficient battery string trimmer, this one will be an ideal choice.

4. WEN 40413 Cordless String Trimmer, 14 Inch, 40V Max Lithium-Ion, 2-in-1

Description:
- Brand: Wen
- Power Source: Battery
- Product Weight: 8.2 pounds
- Color: Black
- Model: 40413
Performance:
The battery string trimmer with a 40V 2 Ah Lithium-ion battery pack offers fade-free power to the user.
Comparison:
Compared to most of its counterparts, the Wen battery string trimmer features a longer body of 51.5 inches. This telescoping body can be further extended up to 68.5 inches. The quick adjust handle is what enables this extension.
Usage:
This trimmer can be used as both a trimmer and edger and this shifting between the edging and trimming function can be easily possible through the rotatable head.
Pros:
- Expandable body
- Serves the dual function of trimmer and edger
- Telescoping body
- Two-year manufacturer warranty
- Adjustable cutting width
- High run time
Cons:
- Not quite suitable for bigger yards and lawns
What’s new?
The cutting width of this trimmer can be adjusted according to the user’s requirement to 12 inches, 13 inches, or 14 inches.
Why you should buy it?
The lightweight, dual-purpose, cordless battery string trimmer enables the user to carry out higher tasks without much effort.

5. Greenworks String Trimmer, 80V, 16-inch, Pro GST80320, Cordless

Description:
- Brand: Greenworks
- Power Source: Battery
- Product Weight: 6.18 Kilograms
- Color: Black and Green
- Model: GST80320
Performance:
This high-power battery string trimmer is equipped with an 80V lithium-ion battery pack, ensuring high power output for trimming purposes.
Comparison:
Compared to other similar products, it can provide high output power. It is estimated that its power output is as high as that of a trimmer with a 32cc gas engine.
Usage:
The 14/16-inch bump feed attachment enables the user to use the trimmer effortlessly according to the terrain in which it is being used.
Pros:
- High-efficiency brushless motor
- High battery capacity
- Auto feed
- Bump feed attachment
- Higher running time
- 16-inch cutting width
Cons:
- Does not come with a battery
- No charger included
What’s new?
The quick charging feature employed in this trimmer is one-of-a-kind. It only takes less than 30 minutes to recharge the trimmer completely.
Why you should buy it?
If you are looking for a high-capacity battery string trimmer with a high cutting width and running time and want the trimmer to spend less time recharging, the GST80320 model string trimmer from Greenworks is the ideal one for you.

FAQs
1. How long do battery-powered string trimmers last?
The running time of battery string trimmers depends on the manufacturer and the model. But in general, an average battery string trimmer runs continuously for up to half an hour after a single recharge of 60-90 minutes. Having said that, several models offer a running time of up to one hour, but they may also have to be recharged for an extended time.
2. Are battery string trimmers good?
Compared to gasoline-powered string trimmers, battery string trimmers hold many advantages and benefits. The primary advantage is the sheer convenience offered by them. Being battery-powered and cordless, the user can take the trimmer to any distance after charging it without having to worry about the length of the cord or anything. Another advantage is that they are comparatively lightweight than their gas counterparts. As gas-powered products are equipped with heavy machinery, they are usually heavy on the weight side and are difficult to handle. But the battery string trimmers are built light and are, thus, extremely easy to handle.
3. How long does a 40V trimmer operates?
Although the running time of a trimmer depends on the nature of the battery pack and the thickness of the weeds being trimmed, it is observed that a 40V trimmer is capable of running for up to 90 minutes continuously. As 40V battery packs are usually equipped with a higher number of cells, they can produce more power and survive longer durations.
4. Which are the best battery string trimmers?
The battery string trimmer section is flooded with numerous competitive products, and most of them are qualified to be called the best battery string trimmer. But still, several products stand out as the best of the best, and a few of them are the Greenworks 40V cordless string trimmer, Earthwise LST02010 cordless string trimmer, Wen 40413 40V cordless string trimmer, Greenworks Pro GST80320 model cordless string trimmer, etc. These products stand out for their higher running time, high battery capacity, faster recharging capability, etc.
5. Does voltage matter on the string trimmer?
Yes, voltage matters on a string trimmer. The voltage of a string trimmer indicates the amount of force it can provide for the user; thus, the higher the power required, the more voltage the product should have. Getting a battery string trimmer with maximum voltage is always advisable if the requirement is to trim a larger yard or lawn. But, it must be remembered that trimmers with extremely high voltage may be a bit heavier on the weight side and difficult to handle.