Essential lawn-care tools that are powered by batteries like string trimmers (or weed eaters), become increasingly popular each year due to the fact that they’re eco-friendly and convenient. However, which one is best for you?
To help you pick the right battery-powered string trimmer we’ve compiled our top 10 options including thorough reviews, specifications for you to evaluate, and tips from those who have previously used these devices.
String trimmers – also called weed eaters are essential for an aesthetically-designed lawn. The battery-powered versions are silent and simple to operate, but they do have disadvantages too.
In our comprehensive buyer’s guide, We’ll help you determine whether battery-powered is the ideal option for you. We’ll also give suggestions on how to select the best model. Before we get started, let’s look into the top string trimmers that run on batteries.

Contents
- 1 Top 1o best battery weed eaters
- 2 WORX WG191 56 V edger/string trimmer
- 3 Specifications
- 4 Features
- 5 BLACK+DECKER LST140C – 40V MAX edger/string trimmer
- 6 Specifications
- 7 Features
- 8 Black+Decker LST201 20V MAX edger/string trimmer
- 9 Specifications:
- 10 Features
- 11 CRAFTSMAN V20 string trimmer/edger
- 12 Specifications
- 13 Kobalt KST 2580-06, 80V MAX String Trimmer
- 14 Specifications
- 15 DEWALT FLEXVOLT string weed eater
- 16 Specifications
- 17 Features
- 18 Makita The XRU02Z Stringless Weed Eater Cordless
- 19 Specifications
- 20 Features
- 21 Greenworks 16″ weed eater
- 22 Specifications
- 23 Features
- 24 Ryobi RY40250 40V string trimmer
- 25 Specifications
- 26 Features
- 27 DEWALT 40V MAXX XR the string weed eater
- 28 Specifications
- 29 Features
- 30 Which is better: the battery-powered or gas-powered string trimmer?
- 31 Pros and cons of battery-powered weed eaters
- 32 How to choose the best battery-powered string trimmer?
- 33 Weight
- 34 Machine Power
- 35 Feed Reloading
- 36 Charging Time
- 37 Battery life
- 38 Number of strings
- 39 Dual-Mode
- 40 How long do battery-powered string trimmers last?
- 41 Maintenance tips for battery-powered string trimmers
- 42 Pay attention to the weather
- 43 Work smart and take brakes
- 44 How do I make my trimming lines last for longer?
- 45 Conclusion
- 46 Paul
Top 1o best battery weed eaters
WORX WG191 56 V edger/string trimmer
With its 56-volt battery, the WORX WG191 offers the gas-like power needed to cut down particularly tall or thick grass. You can tell that this battery powered string trimmer is made for tough work since it has a commercial-grade 0.08-inch trimming line.
In addition, it comes with a cutting head that pivots and an extend-reach straight shaft this weed eater is able to reach into the corners and nooks in your yard.
If you’re looking to clear the weeds in your yard or provide your lawn with a tidy edge the WG191 has the solution for you. It is possible to convert the tool from a string trimmer tool to an edger simply by pressing a button and turning the shaft.
It can be used for various grass conditions too, thanks to its variable speed control. The variable speed trigger allows to increase the power for areas that are overgrown, and reduce it for easy parts to prolong the battery’s life.
Many users have reported their satisfaction with the WORX WG191’s power is similar to gas string trimmers however, they also pointed out a few negatives.
- Gas-like performance with zero emissions. Line diameter: 0.080 inch
- Variable speed control delivers additional runtime and powerful versatility
- Innovative Command Feed spool system offers on-demand line feeding
- Professional-grade trimmer line handles the toughest tasks
- Long-lasting MAX Lithium power with battery indicator
With 90 minutes of charge time, the trimmer runs for only 15-20 minutes. This is enough time for trimming an average yard, but it might not be enough for larger yards.
This trimmer also runs more loudly than other battery-powered tools.
Specifications
- Voltage: 56 volts
- Cutting swath 13 inches
- Line diameter: 0.08 inches
- Weight: 6.3 pounds
Features
- Powerful weed eater for heavy-duty tasks
- 0.08-inch trimming line
- 90 minutes of charge time
- 15-20 minutes run time
BLACK+DECKER LST140C – 40V MAX edger/string trimmer
The LST140C from BLACK+DECKER is the most powerful cordless string trimmer that homeowners with a tight budget can afford.
Despite the fact that the 2-in-1 trimmer/edger is priced at around $100, it has one of the most powerful lithium-ion batteries which is twice as strong as the other low-cost options on this list.
While it’s not quite as powerful as a gas lawn mower, 40 volts are sufficient enough to handle the common garden weeds.
Apart from its power, the LST140C is also versatile and easy to use. The BLACK+DECKER can be converted into an edger to allow you to complete more tasks using just one tool.
The LST140C also has the automatic feed spool which means you don’t need to push the cutting head to release the string like you would with different string trimmers.
- High-performance 40V max Lithium ion Battery with state of charge indicator that shows remaining power
- Power drive high-torque transmission gives you cutting power at the string for clean, fast cuts
- Automatic feed Spool - afs which automatically feeds trimmer line as needed with no bumping
- Converts from trimmer to edger in seconds
- 3 Year limited Warranty
BLACK+DECKER LST140C also has an impressive battery lifetime. After a single charge, it can run for approximately 40 minutes. It may not seem as much, but it’s very impressive for a cordless string trimmer.
Be aware that the life of batteries varies depending on the specific conditions of use.
Specifications
- Voltage: 40 volts
- Cutting swath 13 inches
- Line diameter: 0.065 inches
- Weight: 6.4 pounds
Features
- 40V MAX battery
- 40 minutes of running time
- Converts to a wheeled edger
Black+Decker LST201 20V MAX edger/string trimmer
Black+Decker’s LST201 model is basically a smaller, less powerful, and more affordable variant of LST140C. It costs around $80 and is the least expensive cordless string trimmer of our top choices.
It has a 20-volt battery and a small 10 inch cutting width, this battery powered trimmer isn’t the most ideal option for huge lawns. But, if you require minimal work around your small grass lawn, then the LST201 is sure to provide you with good service.
The main benefit of the BLACK+DECKER LST201 is the fact that it’s extremely lightweight with only 4.5 pounds. It’s easy to carry for extended periods of time in the garden, including for those who have limited upper body strength, such as seniors.
- Part of the 20V MAX System; 1 System - Endless Tasks. Power for your Style
- Converts from trimmer to edger
- Automatic Feed Spool (AFS) automatically feeds trimmer line
- Adjustable height and handle for ideal user comfort
- 20V MAX Lithium Ion 1.5Ah battery holds it's charge for up to 18 months
This model comes with the same easy-to-use automatic feed spool as well as edging capabilities that we have in our other model from the BLACK+DECKER.
The length of the trimmer’s shaft might be too short for some to comfortably use, which may cause a user to be hunched over and result in back pain. Another problem is a very short battery life with around fifteen minutes of run time per charge.
Specifications:
- Voltage: 20 volts
- Cut swaths 10 inches
- Line diameter: 0.065 inches
- Weight: 4.5 pounds
Features
- 10 inches of cutting width
- 15 minutes of run time per charge
- Extremely lightweight
- automatic feed spool
CRAFTSMAN V20 string trimmer/edger
CRAFTSMAN is a battery-powered weed eater that is an ideal compromise between our more expensive choices and our budget-friendly options. It’s still not the most powerful, with a 20 volts electric motor, but it comes with a larger cutting head that can help you cut your lawn more quickly, and it comes with the thicker, stronger 0.08-inch string that can handle larger thicker grass.
This CRAFTSMAN model comes with adjustable speed controls. It is easy to switch to the highest setting for more power or the lower setting for greater battery performance as required. The V20 can be controlled by more than just speed as it comes with an easy-to-use line feed system.
- Part of the V20 cordless system
- Part of the versa-track wall organization system
- 2 speed settings - letting you choose more power or more runtime
- Ergonomic telescoping pole - featuring turn to edge capability
- Automatic Line advance feed - feeds Line automatically, No bumping required, a 13inches Cutting swath with single 0.065inches Line
Some people have issues with the line feed mechanism not working which means they have to pull the string manually out, which could be an inconvenience.
Specifications
- Voltage: 20 volts
- Cutting swath 13 inches
- Line diameter: 0.08 inches
- Weight: 6.7 pounds
Kobalt KST 2580-06, 80V MAX String Trimmer
The price for our final selection, which is the Kobalt KST 2580-06, jumps substantially as does the power-level increases to match it.
With an impressive battery of 80 volts, it can supply gas-like power for up to one hour. If you own a huge rough and sloppy property that is over an acre and you’re in need of an electronic string trimmer this could be the perfect string trimmer that you are looking for.
Additionally, it has a brushless motor that gives enough power to power even the densest patches of grass, the Kobalt trimmer has the 0.095-inch professional-grade trimmer line. It’s typically the thickest line that you’ll find in an ordinary trimmer and it’s hard to tear it.
Similar to Ryobi RY40250 or gas string trimmers. You release more string while pressing the cutting head against the ground.
Although this Kobalt KST 2580-06 may seem focused on performance, it’s not. It’s also versatile, thanks to the option of high/low variable speeds and an adjustable head for cutting, which ranges between 14 and 16 inches.
- Kobalt 80-volt cordless string trimmer provides the power you need with up to 60 minutes runtime on a fully charged 2.5 Ah battery (battery and charger included)
- Adjustable cutting width lets you select either 14-in or 16-in for quicker cutting
- Brushless motor delivers more power and torque to help cut through the thickest of grasses
- Easy-to-use rapid reload head feeds additional line with just a tap
- Comes with premium 0.08-in line on the spool, along with an extra spool of 0.095-in line
The trimmer we’ve chosen is the largest and most powerful one on our list and the obvious tradeoffs are in the next. It’s also the largest also (by greater than 100 dollars) one of the more expensive choices among our top choices.
Specifications
- Voltage: 80 volts
- Cutting area: 14-16 inches
- Line diameter: 0.095 inches
- Weight: 11.7 pounds
DEWALT FLEXVOLT string weed eater
The DEWALT weed eater is built to stand up to the demands of daily tasks. It has a gear drive design that allows you to push through the thick overgrowth.
It comes with a cutting width of 15 inches. It also has an efficient brushless motor that improves the life of the motor as well as run time and overall efficiency. The most appealing feature? The lightweight and ergonomic design give you the best control.
- Gear drive design powers through tough overgrowth
- Lightweight and ergonomic design maximizes control during operation
- High-efficiency brushless motor maximizes runtime and motor life
- Variable speed trigger with Hi/Lo speed control to manage power and extended run time
- Designed for everyday heavy-duty usage
It also eases the stress on your arm. This weed-cutting tool is protected with a limited 3-year warranty, making it a good option for medium and small yards (battery is sold separately).
Specifications
- 3-year warranty
- 15 inches cutting width
- 30 minutes of run time
- Black and yellow colors
Features
- Variable speed trigger for precise power control
- The efficient brushless motor optimizes the amount of time it takes to run.
- Gear drive design enables you to get through difficult grass
- A cutting length of 15 inches
Makita The XRU02Z Stringless Weed Eater Cordless
The MakitaXRU02Z is a cordless string trimmer with the ability to rotate 180 degrees. This allows you to quickly change from edger to trimmer within a matter of minutes.
It features a 10-1/4-inch length of cutting, instant start-up, and a durable design. This tool is simple to build. It doesn’t require any maintenance and comes with an adjustable handle.
The warning system for battery capacity will turn on an indicator light to inform you when it’s time for you to replenish the battery. Additionally, there’s a built-in lock-off lever to make it easier.
- Makita-built motor delivers 7,800 RPM for faster cutting speed and performance
- Ergonomic design is well balanced with less weight (only 6.4 pounds with battery, sold separately)
- Compact size is ideal for trimming and precise edging
- Telescoping shaft allows the user to adjust the length of the tool from 48-1/2" to 56-1/2" for an optimum cutting position
- Battery and charger sold separately
The most appealing feature? It gives the possibility of up to 45 minutes run-time per charge. However, batteries are sold as separate items. It’s a weed eater that is light that weighs just 6.4 pounds.
We consider this to be the best battery-powered weed eater on our list
Specifications
- 3-year warranty
- 10-1/4″ cutting width
- 45 minutes of run time
- Blue and black colors
Features
- 30 minutes time to charge
- The economic design has a balanced design and less weight
- 7,800 rpm to increase cutting speed and improve performance
- The size is ideal to ensure precise trimming and edge
- 45 minutes of running time
Greenworks 16″ weed eater
The Greenworks is a cordless string trimmer that was designed for professionals looking for a more powerful tool. It features a front-mount motor with a variable speed trigger.
It’s light and easy to use with its sixteen-inch cut width, .080 in diameter, a bump feed, and a die-cast gearbox for durability.
This is a powerful and lightweight weed eater designed for tough tasks.
- Greenworks, 10 Amp 16-Inch 2 in 1, Rear Bag or Mulch Electric Lawn Mower, Converts Easily from Rear Bag to Mulch, Model 25142.Deck material: Hardened Plastic
- 10 Amp electric motor delivers enough power to cut through touch grass. Assembled product weight: 48.0 Pounds
- Durable 16-Inch cutting deck gets the job done quicker and more efficiently
- 2-in-1 feature provides mulching and rear discharge capabilities
- 5 position height adjustment offers a range of cutting height from 5/8-Inch to 2-5/8-Inch for the perfect cut on all types of grass
The best thing about this battery-powered string trimmer is that it’s electric motor can provide the power and performance of an engine with a 32cc capacity. It comes with two spare batteries as well as a fast charger, which makes it perfect for large yards.
This is the best heavy-duty battery-powered weed eater on our list.
Specifications
- 2-year warranty
- 16″ cutting width
- 60 minutes of run time
- Green and black colors
Features
- Cutting width of 16 inches
- Up to 45 minutes of running time
- 2Ah lithium-ion batteries (30 minutes charge time)
- Front mount design to provide better balance and ergonomics.
- Brushless motor for better performance
- .080-inch dual line bump feed head
Ryobi RY40250 40V string trimmer
Ryobi’s RY40250 40-volt string trimmer is a combination of an average level battery power with features of a premium quality tool that make the device more flexible and user-friendly. Perhaps the most important thing, is that this trimmer works with Ryobi’s entire range of “expand it” attachments that will save you money and room by making one instrument take on the work of several tools.
We think this is the best Ryobi cordless weed eater
If you purchase additional accessories you can also convert the RY40250 into a hedge trimmer or pole saw, cultivator, and other lawn maintenance tools.
Even if you are using the RY40250 as a string trimmer its features help it to stand out.
- Brand New in box. The product ships with all relevant accessories
To increase the runtime of a battery the string trimmer comes with variable speed control, as well as an adjustable head that can range between 13 and fifteen inches across. What is the significance of this the ability to alter the size of the cutting tool’s head is not only beneficial for battery efficiency but also makes it ideal for open spaces as well as tight spaces.
Another thing that’s unique about RY40250’s cutting heads is that it has a bump-feed line release mechanism like the one that is used in the majority of gas-powered weed eaters.
This trimmer is nearly commercial quality, with its 40-volt battery and a cutting width of 15 inches as well as a robust 0.08-inch line. However, this trimmer has a disadvantage in the form of its heavyweight. The RY40250 weighs over 11lbs and is likely to be too heavy for a typical homeowner to carry over long periods of time.
Specifications
- Voltage: 40 volts
- Cut swath: 13-15″
- Line diameter: 0.08 inches
- Weight: 11.3 pounds
Features
- Attachment capability
- Adjustable head that can range between 13 and fifteen inches across
- Cutting width of 15 inches
- .080-inch dual line bump feed head
DEWALT 40V MAXX XR the string weed eater
Another weed-eater from DEWALT will keep your lawn looking beautiful and healthy. MAXXXR cordless string trimmer equipped with a premium 6AH battery and a brushless motor.
It offers a longer running time and battery lifespan. This weeder is a great option because it comes with a powerful motor and a sturdy metal gearcase for maximal durability for tough tasks.
- The edger/trimmer provides 15-inch cutting swath with 0.080-inch line (also accepts 0.095-inch line)
- The cordless grass trimmer has 6.0Ah premium high capacity battery (50% more run time than the 4.0Ah DCB404)
- High-efficiency brushless motor of the lawn trimmer maximizes run time and motor life
- Patented gear drive design that powers through overgrowth
- Variable trigger with hi/lo speed control for added power or extended runtime
It also has a variable speed trigger that allows for speed control, as well as a cushioned handle that provides comfortable use for a long time as well as an extended cutting length of 15 inches to assist you in getting your job done much quicker.
Specifications
- 3-years warranty
- 15 inches cutting width
- 45 minutes of run time
- Yellow and black colors
Features
- A cutting width of 15 inches
- 40 V MAX 6.0Ah lithium-ion battery
- Variable trigger for noise and speed control
- Metal gear case for greater durability
- Patented gear drive design
Which is better: the battery-powered or gas-powered string trimmer?
For this, the answer depends on your lawn’s maintenance requirements. If you have a big and overgrown lawn gas-powered string trimmers could be the better option because of their cutting power. But, they’re more expensive and need more maintenance than battery-powered models.
Remember that a gas-powered string trimmer has a sophisticated internal combustion system. If one of its components is damaged, there’s no other choice than to fix the whole machine. If you have a battery-powered weed eater, your only concern will be the rechargeable battery. A disadvantage to gas-powered trimmers is their weight. They are heavier and harder to transport and move around in the backyard.
Therefore, unless you have difficult lawn maintenance tasks to do every week, it’s better to buy a battery-powered weed eater. The top string trimmers utilize a brushless motor that provides steady power, even for the most difficult lawn work.

Pros and cons of battery-powered weed eaters
Like gas string trimmers as well as corded electronic string trimmers, battery-powered weed eaters have their own advantages and disadvantages. Consider the pros and cons listed below to determine whether a battery-powered weed eater is the right tool to choose for your yard:
In the end, battery-powered string trimmers are suitable for small gardens instead of large ones because of their limitations in time. They also work well on lawns with less thick grass or weeds as they can lack power.

How to choose the best battery-powered string trimmer?
If you require a bit of assistance in choosing the best battery-powered weed eater, this buying guide is for you. The functions of these tools could be a bit intimidating for those who are new to the market.
In the following sections we will go over the essential information you must be aware of about battery-powered weed eaters to aid you in making an informed choice when selecting the appropriate model to use in your garden.
Weight
It is vital to consider weight since it affects the user-friendliness and portability of equipment. If you choose equipment that is light it will be able to fit in tight areas.
A light weed eater is more user-friendly and lessens the strain on your arms while working and allows you to finish more tasks without getting tired. It’s the battery is the heaviest part of a weed eater.
Remove the battery pack and notice that the device feels unstable in your hand. The majority of companies consider the weight of this component into consideration when designing battery-powered weed eaters.
That way, you get an incredibly light weed eater that is easy to use. This is also one of the primary reasons to never use battery packs that are of a different brand.
Machine Power
To find the best battery-powered weed-eater it’s important to look at its power output. The majority of battery-powered weed eaters will have a voltage of 20 volts. More powerful models will provide greater power.
However, they typically have shorter battery life. If you’d like a higher-performance weed eater you should consider purchasing a spare battery, particularly when you have a huge property and want to increase the amount of run time.
Companies evaluate battery output in ampere-hours or amp-hours. Premium brands can provide five amp-hours maximum for their cordless weed-eaters. If you’re looking to trim the tough weeds, you should choose an extra-strong model.
Feed Reloading
Line feed plays an important role in finding battery-powered weed trimmers. There are a variety of options in regards to the line feed features of the device.
If you are choosing your preferred line feeding method, bear an eye on the fact that the larger gauge line lasts longer and requires less maintenance.
The most popular types of line-feeding systems for weed eaters are manual feed, auto-off feeds, bump heads, and even automatic feeding. The automatic feeding system is the ideal choice.
The bump feed is used in a variety of machines. The cutting head is pushed against the ground and the unit will automatically feed the line to the cutter head.
Another option is the auto-off feed. common technique.
The line feeds into the cutting heads when you shut off the unit. In this case, the weed eater recognizes when you’re at the bottom of the cutting line and then steps into it.
Charging Time
Certain batteries need only 30 minutes to fully charge, and others may take several hours. This type of battery with a fast charger can be a big advantage if you have a big lawn.
Battery life
The running time and battery capacity are among the most crucial factors to think about when searching for the best battery weed eater for you. Anything that is longer than 30 minutes is quite good. Some can even provide 60 minutes of usage.
When choosing the ideal battery-powered weed eater for your home consider the dimensions of your property. If you have a bigger property, choose a weed trimmer with longer battery life.
Number of strings
Battery-powered string trimmers come with either 2 or 1 cutting string. The models with two cutting strings are the best option for heavy-duty tasks as they are able to take on tough weeds more easily.
Dual-Mode
Some models are able to be converted into edgers simply by turning the head. If this is the case, and you’re looking for, or something similar to that, choose battery-powered machines that have this feature.
How long do battery-powered string trimmers last?
It’s difficult to determine how long the battery-powered string trimmer will last because these devices haven’t been around for long. String trimmers that aren’t battery-powered typically last between five and 10 years if maintained properly.
Maintenance tips for battery-powered string trimmers
It is important to wash your cutter’s head as well as the guard frequently to prevent caked-on dirt as well as grass clippings, which could hinder the performance of your trimmer. It is also necessary to remove the trimming line at some point. If that day comes be sure to follow the proper instructions for the model you have.

Here are some more maintenance tips:
- Only use the charger recommended for a specific model
- Never modify or remove the safety features of your weed eater.
- Take out the battery pack when storing your weed eater for a longer time.
- The handle needs to be cleaned and dried after each use. Never use detergents or solvent to clean your weed eater
- Don’t charge batteries in a wet area to decrease the risk of short-circuiting
- Disconnect or take out the battery pack before cleaning your cordless weed eater
Pay attention to the weather
Do not trim grass when it is damp. In the event that you do, you could damage the machine. The most damaging part? It is likely that you slip when using this weed trimmer.
Work smart and take brakes
The majority of cordless weed eaters have heads that rotate counter-clockwise. If you have one of these then the most efficient method to use is to sweep the soil from left to right.
If it is spinning in a clockwise manner, you’ll need to move from right to left to achieve the best results. It’s important to take breaks. The vibrations caused by weed eaters can be felt during the use.
These vibrations can cause numbness and tingling sensations in your hands and wrists. It’s therefore important to rest when you begin to experience pain and then continue until you are feeling more comfortable.
How do I make my trimming lines last for longer?
The process of soaking trimmer lines in water may aid in keeping its flexibility which means that it won’t be as brittle and lasts longer.

Conclusion
For the final part of our buying guide, it’s vital importance to find the perfect battery weeder for your requirements. It’s dependent on the number of areas you’re looking to be able to cover.
It’s also contingent on the amount of power you’re looking for and the kind of grass you’re working with. Knowing exactly what you require can save you lots of unnecessary time and cash.
I hope this article will provide sufficient information and details about various weed eaters that have been rated top to assist you in selecting the best cordless weed-eater to suit your needs.