Best Battery Powered String Trimmers

Best Battery Powered String Trimmers [Reviews 2022]

As battery-powered lawn care essentials become more popular, such as Best Battery Powered String Trimmers, due to their convenience and environmental friendliness. But which one is best for you?

You can compare the specs, read the reviews, and get advice from people who’ve already used these string trimmers before you choose a battery-powered string trimmer. 

A well-groomed lawn needs string trimmers, also known as weed eaters, weed wacker, weed trimmers, and grass trimmers. The batteries operate quietly and cleanly. However, they do have a few disadvantages. 

You’ll find tips on choosing the right model in our comprehensive buyer’s guide. The following are the top best battery-powered string trimmers of the year.

Top 6 Best Battery Powered String Trimmers Reviews

1. Worx WG163 GT 3.0 20V

Specifications:

  • Voltage: 56 volts
  • Cutting swath: 13 inches
  • Line diameter: 0.08 inches
  • Weight: 6.3 pounds 

The WORX WG191 has a 56-volt battery that gives it gas-like performance for mowing thick and tall grass. A commercial-grade 0.08-inch trimmer line is included with this trimmer, which indicates it is designed for heavy-duty work. This weed eater also features a pivoting cutting head and a straight shaft with extended reach for easy access to your yard’s corners. 

You can use it to cut down weeds or edge your lawn, depending on your needs. It is simply a matter of pushing a button and twisting the shaft to transform the tool into an edger and back again. 

Additionally, the variable speed control makes it adaptable to all types of grass. The variable speed trigger allows you to increase or decrease the amount of torque for different areas of your lawn in order to prolong the battery life. Although its power is comparable to that of a gas string trimmer, some users have also pointed out the WG191’s shortcomings.

The trimmer only runs for about 15 minutes on a single charge (which takes 90 minutes). If you have a smaller yard, this should be enough to trim around, but if you have a larger property, this might not be long enough. Additionally, this trimmer is louder than many other battery-operated tools. 

Pros:

  • Batteries can rival gas engines in terms of power 
  • The ability to control the speed of the motor to extend battery life
  • Pushes a button to turn into a wheeled edger

Cons:

  •   Battery life is unimpressive
  •   According to users, the electric version runs loud 
  •   Pricey compared to other options 

2. BLACK+DECKER 20V MAX String Trimmer

Specifications:

  • Voltage: 20 volts
  • Cutting swath: 10 inches
  • Line diameter: 0.065 inches
  • Weight: 4.5 pounds

The LST201 from BLACK+DECKER is essentially the LST140C but smaller, less powerful, and less expensive. In our top picks, this cordless string trimmer is the most affordable at around $80.

This trimmer’s 20-volt battery is quite weak and its cutting head is relatively small for a large yard. The LST201 is capable of doing light work around a small yard if you need it only for light tasks. 

BLACK+DECKER LST201 has the advantage of being lightweight – just 4.5 pounds. The weight of the tool should not strain anyone’s upper body, even those with limited strength. Black and Decker’s other pick has the same automatic feed spool and edging capabilities as this one.

Although users have reported some shortcomings with the LST201, you should know them before buying. The shaft of the trimmer was too short for some users to use comfortably, causing them to hunch over and suffer from backaches. In addition, the battery’s short run time on a single charge, usually around 15 minutes, is another concern. 

Pros:

  •     Cost-effective
  •     Weightless
  •     The conversion of Edger

Cons:

  •   Poor battery life
  •   Batteries don’t last very long
  •   Slight cutting swath

3. WORX 20V GT Revolution 12″ 4.0Ah Cordless String Trimmer

Specifications:

  • Voltage: 20 volts
  • Cutting swath: 12 inches
  • Line diameter: 0.065 inches
  • Weight: 5.3 pounds

For small yards, The WORX WG163 is a lightweight, easy-to-use budget pick. A pair of lithium-ion batteries are included in the trimmer “kit,” which makes it even more affordable.

You can keep one charged at all times so that, even when it runs out of power while you are trimming your lawn, you can keep working. And the batteries work with any PowerShare tool from WORX. 

The WG163’s 20 volts may not be much, but the versatility it offers more than makes up for it. Easily converts to an edger, including on uneven terrain, thanks to its rubberized wheels. Trimmer heads pivot 90 degrees, and the shaft is telescopic, so it can fit into small spaces. You can trim around landscape features such as flower beds by using an adjustable spacer guard.

The WORX WG163 spool system also features a “command feed”. By pushing a button on the handle, you can control the string’s length instead of having the line fed automatically. 

Pros:

  •     Cost-effective
  •     Portable
  •     Greater reach with telescoping shaft
  •     Wheeled edger conversion 
  •     A 2.0Ah battery is included

Cons:

  •  Battery life is relatively poor

4. CRAFTSMAN V20 string trimmer

Specifications:

  • Voltage: 20 volts
  • Cutting swath: 13 inches
  • Line diameter: 0.08 inches 
  • Weight: 6.7 pounds

Our budget picks and premium picks are very similar but Craftsman’s V20 marks a happy medium. A 20-volt battery means it isn’t the most powerful, but the wider cutting head ensures that you can trim your lawn faster, and the thicker, more durable string is able to handle dense growth. 

A CRAFTSMAN 20V trimmer with variable speed control is an improvement over other brands. It is easy to switch between low and high settings for better battery efficiency or more torque, depending on your needs. Since the V20 features the same push-button line feed system as the WORX WG163, it gives you more control than just speed. 

Some reviewers complained that the line feed system didn’t work, which meant they had to pull the string manually. The model also reportedly ate through the line quickly. 

Pros:

  •     Larger and more powerful than other 20-volt trimmers
  •     Battery life extension with variable speed control
  •     Transforms into an edger

Cons:

  • Poor battery life
  • Line feeds don’t always work with the push-button
  • Too quickly can go through trimmer line 

5. RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer

Specifications:

  • Voltage: 40 volts
  • Cutting swath: 13-15 inches
  • Line diameter: 0.08 inches
  • Weight: 11.3 pounds

A Ryobi’s 40-volt RY40250 string trimmer is a versatile and convenient tool with an excellent battery power level and premium features. This trimmer is also compatible with Ryobi’s entire line of “expand it” attachments, so you can do the work of several tools with just one tool. 

The trimmer’s variable speed control extends the battery’s run time. The width of the head can be adjusted between 13 and 15 inches. Having a size-adjustable cutting head not only makes the tool more efficient but also makes it suitable for both open spaces and tight places. 

With a 40-volt battery, a 15-inch cutting swath, and a 0.08-inch line, this trimmer is close to commercial grade. Unfortunately, that capability comes at a major price: weight. It is difficult to transport the RY40250 for a long time because it weighs more than 11 pounds. Consider the BLACK+DECKER LST140C for similar power output in a more manageable package.

Pros:

  •     Convertible to other Ryobi tools (sold separately)
  •     Battery life extension with variable speed control
  •     Cutting heads that can be adjusted 

Cons:

  •   Heavily
  •   Expensive compared to many other options 

6. Kobalt 80-Volt Max 16-in Straight Cordless String Trimmer

Specifications:

  • Voltage: 80 volts
  • Cutting swath: 14-16 inches
  • Line diameter: 0.095 inches
  • Weight: 11.7 pounds

The Kobalt KST 2580-06, our final pick, has an astronomically high price, while its power level matches it. This trimmer is powered by an 80-volt battery that provides gas-like power for up to an hour. It may be appropriate for you if you have a large, unruly property that is more than one acre in size and want a string trimmer. 

In addition to its brushless motor, the Kobalt trimmer holds a professional-grade trimmer line with a 0.095-inch diameter that can power through large patches of grass. A residential trimmer usually has this thick line, and you would be hard-pressed to break it.

When you tap the cutting head against the ground while working, you release more lines as in Ryobi’s RY40250 and gas string trimmers.  Despite its appearance, the Kobalt KST 2580-06 is not all about power. It has an adjustable cutting head that can be adjusted from 14 to 16 inches, and variable speed settings. Our list’s largest and most powerful trimmer comes with obvious trade-offs. The most expensive and heaviest of our top picks (more than $100 more). 

Pros:

  •     A powerful battery provides gas-like performance and long runtime
  •     The Trimmer line is extra durable and commercial-grade
  •     Extend battery life by varying speed
  •     Size-adjustable cutting head

Cons:

  •   Expensive compared to other options 
  •   Immense 
  •   Restringing was difficult according to users
  •   You may have trouble finding replacement parts in the future

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Buyers Guide

How does a string trimmer work?

There is a cutting head at the end of the long shaft of a string trimmer. Grass trimmers are also called weed trimmers, weed wacker, or weed eaters. Cutting heads are, as their name suggests, used for cutting down grass and weeds. It spins a one-line or dual-line line (usual nylon) fast enough to slice through growth. 

A string trimmer is used to reach weeds and grass in tight spaces, such as around flower beds and other landscape features, where a lawn mower cannot fit. String trimmers can be easily converted into lawn edgers, making them ideal for edging your lawn.

How do the specs affect you?

There are a lot of specifications available on different battery-powered string trimmers, whether on this list or on the websites of various retailers. In this section, we will explain what some of these measurements mean and how to use them so you can determine which trimmer is right for your lawn. 

In order to rank the top battery-powered string trimmers, the following factors were considered:

Voltage

A cordless string trimmer’s voltage is usually the first thing you notice about it. A trimmer’s voltage is a measure of its power output. Higher voltage corresponds to more power.

For cutting through thick, tall grass and weeds with a trimmer with high voltage, more powerful batteries produce more torque.

Cutting swath

The widest cutting swath or cutting width a trimmer can handle is the area that can be cut at once. You can trim your yard faster and cover more ground with a larger cutting swath. In tighter spaces, a smaller swath might be required.

Several of our top picks have adjustable cutting heads, making them ideal for this purpose. As the string becomes thicker, it becomes more durable and is able to cut through more dense growth.

You should be able to get along with a 0.065-inch string trimmer for residential use. It’s possible to use 0.08-inch string, which is in the middle of amateur and professional levels, or even 0.095-inch string, which is especially good for heavy-duty work. 

Weight

You should pay attention to the weight when buying string trimmers or a similar power tool. It may be difficult for you to lift a heavy trimmer long enough to finish your yard work if it’s too heavy.

Make sure you choose the best string trimmer for your upper body strength. A shoulder strap can be used to lighten the load on your arms and back when trimming. 

Price

Battery-powered tools are usually more expensive than gas- or corded-powered alternatives. However, our top picks all cost less than $300, so you won’t have to worry about being out of budget.

You might see a higher price if you shop around for a higher-end model, so don’t be too surprised. You may need to purchase the battery and charger separately when you use the trimmer.

You won’t have to worry about extra costs if you choose one of our top picks, though, since most of them include a battery and charger. 

FAQ 

1. Does the maintenance-free string trimmer operate on batteries?

You should maintain your trimmer by cleaning it regularly and removing caked-on grass clippings and dirt. Trimmer lines will also need to be replaced at some point. Whenever that time comes, follow the instructions for your particular model carefully. 

2. Is there a way to prolong the life of my trimmer line?

It is possible to keep the trimmer line flexible by soaking it in water, which means it will last longer and not break as easily. 

3. How long should the battery life of a string trimmer be?

The battery-powered string trimmer hasn’t been around for very long, so it’s hard to say how long it will last. String trimmers, when properly maintained, typically last 5-10 years. 

Conclusion

Your lawn needs a string trimmer to look as good as possible. String trimmers powered by batteries are popular because they emit no harmful emissions like gas-pow

ered trimmers, but they aren’t tethered to any extension cords. If you want the best string trimmer that is battery-powered, these are the best options.

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