Top 8 Battery-Powered Weed Eaters for 2022

Battery-powered lawn care items such as string trimmers continue to gain popularity each year due to their convenience and environmental friendliness, but which one is suitable for you?

To assist you in selecting a battery-powered string trimmer, we’ve assembled our top 8 options, along with extensive descriptions.

String trimmers sometimes referred to as weed eaters or weed trimmers are vital for a highly polished lawn. While battery-powered machines are quiet, clean, and simple to operate, they do have certain drawbacks.

We’ll help you decide if battery-powered is the best option for you and offer advice on selecting the perfect model in our detailed guide.

Earthwise LST02010

Users of Earthwise’s LST02010 lithium-ion trimmer report that the battery lasts long enough for them to complete the work in one yard. Despite its 10-inch cutting swath, this tool is ideal for working in tight spaces.

The Earthwise LST02010 model is very functional and simple to operate. With a weight of only 4.4 pounds, it’s one of the lightest cordless weed eaters on the market, and it is comfortable for carrying for long periods.

The LST02010 is easy to load due to its auto-feed spool, and its flip-down edge guard simplifies edging around landscape beds.

Best of all, this Earthwise model is reasonably priced at around $65. It’s the least expensive weed eater on our list, and the value is out of this world.

WORX WG191 56V

The WORX WG191’s powerful 56-volt battery provides a gas-like performance for mowing very dense or tall grass. This trimmer is built for heavy-duty operation, as it includes a commercial-grade 0.08-inch trimmer line.

This weed eater will also reach into all the corners of the yard thanks to its pivoting cutting head and extended-reach straight shaft design.

Whether you need to remove a spot of weeds or create a tidy edge on the lawn, the WG191 gets you covered. Simply push a button and twist the shaft to transform the instrument from weed trimmer to edger and back.

It’s also adaptable to a variety of grass situations thanks to the variable speed control feature. You can increase the torque for overgrown areas of the lawn and decrease it for easier parts to conserve battery life by using the variable speed trigger.

The WORX WG191’s power is comparable to that of a gas-powered string trimmer, but there are certain limitations to consider.

The trimmer runs for around 15-20 minutes on a single charge. That should be sufficient time to trim the perimeter of a regular yard, but may not be sufficient for bigger properties.


BLACK+DECKER’s LST140C is the best cordless string trimmer for budget-conscious users. Despite its low price of under $100, this 2-in-1 trimmer/edger features a high-performance 40V MAX lithium-ion battery that is twice as powerful as the other budget options.

Though not as powerful as a gas trimmer, 40 volts should be more than adequate to get rid of the common weeds around any property.

Apart from being extremely powerful, the LST140C is also extremely versatile and convenient. This BLACK+DECKER model turns into an edger, allowing you to accomplish multiple tasks with a single tool.

Additionally, the LST140C incorporates an automatic feed spool, which eliminates the need to strike the cutting head against the ground to release the string, as is the case with the majority of other string trimmers.

Consumers praise the battery life of the BLACK+DECKER LST140C. If you’re looking for a cordless string trimmer, you’ll be pleased to know that it can run for about 40 minutes on a single charge.

Bear in mind that battery life varies significantly depending on the type of work performed, and therefore the trimmer will likely not run for that long every time you use it.


CRAFTSMAN’s V20 string trimmer is a good compromise between the premium and budget options. It’s still not the most powerful model, with a 20-volt battery, but it has a broader cutting head to help you trim the yards more quickly, and it utilizes a thicker, more durable 0.08-inch string that can handle more dense grass.

Variable speed control is another feature that sets this CRAFTSMAN 20V trimmer apart from the competition. You can quickly switch between the high and low settings if you need more torque or greater battery life. 

The only downside is that some customers complained that the line feed system didn’t operate, forcing them to manually remove the string. 

Greenworks 21302

The Greenworks battery-powered string trimmer is a fantastic mix of power, size, and cost. It is powered by a 40-volt battery that propels the blade at a high speed of 9,000 revolutions per minute to cut through dense, tough weeds. Its 13-inch cutting swath is excellent for most local jobs. And it costs slightly more than $100 for all of this.

The Greenworks 21302 is also more than a string trimmer. It serves as a wheeled edger with a 90-degree rotating head. When weed wracking or edging, the flexible shaft of the tool enables you to cut in difficult-to-reach areas.

While the battery life of any cordless electric power tool varies significantly depending on the conditions of the lawn, the 2.0 Ah battery from Greenworks normally lasts up to an hour on a single charge, which is rather excellent for a battery-powered weed eater.

Ryobi RY40250 

The Ryobi RY40250 40-volt string trimmer mixes a mid-range battery capacity with premium features that increase versatility and convenience. 

With the addition of optional attachments, the RY40250 can be converted into a hedge trimmer, pole cutter, cultivator, as well as other lawn care equipment.

The trimmer features variable speed and a flexible trimmer head that adjusts from 13 to 15 inches wide to maximize battery life. The ability to adjust the size of the cutting head not only enhances battery efficiency but also makes the device ideal for both wide and tight situations.

There is something unique about the RY40250’s cutting head: It includes a bump-feed line release mechanism similar to those seen on the majority of gas string trimmers.

With a 40-volt battery, a 15-inch cutting swath, and a heavy-duty 0.08-inch line, this trimmer is an excellent option. The only downside is that the RY40250 weighs more than 11 pounds, making it difficult for the average guy to handle it for an extended period of time.

Kobalt KST 2580-06

This trimmer’s remarkable 80-volt battery provides gas-like power for up to an hour. If you’re working mostly on large properties then this electric string trimmer may be the best trimmer for you.

Along with a brushless motor that generates enough torque to cut through even the densest patches of grass, this Kobalt trimmer is equipped with a 0.095-inch professional-grade trimmer line that is extremely difficult to break.

While the Kobalt KST 2580-06 may appear to be all about power, it is not. It’s also adaptable, with multiple speed settings and a cutting head that adjusts from 14 to 16 inches.

On our list, this is the biggest and most powerful trimmer.


The WORX WG184 weed eater is arguably the most flexible on our list. It transforms effortlessly to a wheeled edger, much like other Greenworks products, and it includes a variable speed trigger to alter the RPM depending on the type of grass you’re trimming.

A rotating head is ideal for slopes and uneven terrain, and an adjustable handle allows you to find a comfortable working posture for any job.

Aside from its versatility, the WORX WG184 is also quite convenient. The tool has a Command Feed automatic spooling system, which allows you to load a new line by simply clicking a button.

The WG184 is on the pricey side due to all of these unique features.

Final Words

When it comes to keeping the yards of your clients looking their best, battery-powered electric weed eaters are the way to go.

All of the string trimmers in our list of the best battery-powered weed eaters offer excellent value for money and are capable of handling all of your lawn trimming duties.

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