11 Best Battery String Trimmer Reviews 2022 (In-Depth Buyer&#8217;s Guide)

The lightweight of such units is what makes them easy to maneuver. So first on the list, we have Greenworks battery string trimmer weighing just 7.8 lbs. Not only it makes trimming of grass a breeze but less weight also causes less stress on arms. And less strain on muscles means more hours of work.

This 40v cordless weed eater offers up to 45 minutes of run time on a full charge. It even comprises a light indicator that tells you about remaining power. This much battery life is good enough to trim yard size of 1/2 acre.

You get a blower free along with the battery string trimmer. The blower is best to use on grass and hard surfaces such as sidewalks or pavement. While weed eater helps in the perfect trimming of grass, the blower will help to remove dry leaves and debris away quickly. Thus, it is the best battery string trimmer and blower combo for residential use. Furthermore, t

The 40 V axial blower features a variable speed trigger for user convenience. Whereas 0.65 line diameter auto-feed head of weed eater helps in easy line advancement.

Key Features:

12-inch cut path
2.0 Ah battery
40V axial blower
Auto line feed
Onboard battery life indicator
Weighs 7.8 lbs

Why It’s Worth Buying:

Best battery powered string trimmer to trim yard up to 1/2 acres
Comes with 110 MPH, 390 CFM blower to ease cleaning of the yard after trimming of grass
Variable speed of blower and cruise control helps in easy maneuvering of the unit
Run time of up to 45 minutes is good enough to clear a lot of areas
More than 300 positive reviews make it one of the best Amazon’s Choices product
Lightweight and soft-grip handle is the reason behind easy maneuverability of the unit

2. Ego ST1500-S Power+ 15″ String Trimmer Review – Best Multifunctional Cordless Grass Trimmer

Most of the American Household has yard under 1 acre which seams quite overwhelming to mown or trim. Gasoline weed eaters require lots of fuel and might eat in your monthly budget. However, this Ego string trimmer is a cost-effective and easy to maintain tool for your landscaping work.

The Ego Power+ head rotates that allows you to edge your yard perfectly and gives it a perfect seamless finish. Thanks to its powerful brushless motor powered by Arc Lithium batteries.

This amazing combination comes with a variable speed trigger that lets you change the speed of the motor so that you can cut small grass patches efficiently and can increase the trimming speed while cutting thick grass patches.

According to reviews by Wirecutter.com, they found that on a single charge this Ego string trimmer can cut down 3,400 square feet of dense field grass, weeds, and stalky shrubs.

With 0.095 in. diameter dual-feed twist line, extended aluminum shaft, and weather-resistant construction, this Ego Power+ is truly the best string trimmer for most people.

Key Features:

Powerful Moto
Bump Feed Head
Professional .095” Dual Twist Line
49” Extended Aluminum Shaft
15” Cutting Swath
2.0Ah and 2.5Ah 56-Volt Lithium-Ion Battery

Why EGO Power+ Trimmer is Worth Buying:

Free Standard Charger included in Kits
Covers more cutting width that let you finish the job fast
Weather-Resistant Construction Lets You Cut Grass in every Season
Long shaft that allows the gardener to cut weeds in hard to reach area
First-ever 56-Volt Lithium-Ion battery that gives more run time
Trimm through thick grass patches easily due to a powerful brushless motor
Best in Market 5 Year Tool Warranty
3 Year Battery Warranty (Kits Only)

3. Worx WG184 Review – Best Cordless String Trimmer and Edger

The powerful performance of Worx wg184 is great to get rid of that long grass and weeds from your yard. Thanks to its dual 20 V power battery modules that deliver a total of 40 volts of power. With this much power, you can easily trim an area up to 1/2 acre in size.

The Worx wg184 40 V battery powered string trimmer comes with a dual-port charging station. Both the batteries are easy to remove from the unit. Even they charge up quickly so that you can hassle-free work on your lawn. Thus, which makes it the best battery string trimmer in terms of battery life and power.

The wg184 functions as both trimmer and edger. Plus it is extremely easy to switch between both of them by simply rotating the head. Things get easier when a line feed mechanism feeds 1/4″ of the line instantly at the click of a button. So no bumping or waiting for auto-feed solutions.

You also get gas-like variable speed control that offers more run time. Simply press and release the trigger to control the speed of the weed eater. Hence, the functions and performance of this battery string trimmer are no less than gas models.

Key Features:

13-inch cut path
Twin 20 V power module
2-in-1 design
Command feed spool system
Variable speed control
Weighs 6.5 lbs

Why It’s Worth Buying:

The unit quickly switches between trimming and in-line wheel edging in seconds
You can control speed by simply pressing and releasing the trigger
Provides an accessory wheel storage for easy access
Instant line feeding with special command switch eliminates bumping or waiting like that in auto-feed systems
Life of the battery is good enough for working on up to 1/2 acre of land
Variable speed of the unit saves your time as well as gives professional results

4. Greenworks 14-Inch 40V Cordless Electric String Trimmer Review – Long Battery Life

The 3-position pivoting head of Greenworks 14-inch battery-operated string trimmer is perfect for medium size yards. You can do both the function of weed whacking and edging with this unit. All thanks to its brushless motor that delivers greater torque. And high torque means more quiet operation and long battery life.

With so much professional feature there is no doubt that it is the best cordless string trimmer for working on up to 1/2 acre of yard. It runs so quietly that your neighbors will hardly hear the noise. And due to this reason, you get full freedom to work on your lawn at any time of the day.

The 0.080 dual-line size and a bump line feed system eases the advancing of line and cutting through tough weeds. In addition, the straight shaft design makes it easy to monitor your task without any obstruction. As a result, you can seamlessly work on your yard with Greenworks 21362 battery string trimmer.

Let us not forget to mention that the main unit comes along with a battery and charger. This power module is compatible with many other Greenworks gardening tools. Whereas, the onboard light indicators on the charging station indicates you about the charging process.

Key Features:

14-inch cutting path
4.0 Ah battery
Brushless motor
Bump line feed
0.080 dual-line size
Weighs 15 lbs

Why It’s Worth Buying:

Brushless motor instantly starts the unit with a simple push of a button
Ergonomic design and soft grip of the handle helps to control the unit better while in use
Powerful motor delivers great torque as well as operates quietly
Up to 60 minutes of run time is good enough for lawn size of 1/2 acre
Comes with the power module and charging station and the module is also compatible with different Greenworks battery tools
Vibrations of the device are much less than that of gas weed eaters

5. Worx WG154 20-Volt Cordless Grass Trimmer Review – Automatic Single Line Feed For Best Cutting Performance

Love that professionally trimmed edges along sidewalks? Then here comes Worx battery string trimmer edger that can do the function of both trimming and edging. Thanks to its one-touch easy conversion that go from one function to another and vice-versa in seconds.

Not just that also, you do not need any type of tool to convert it to an edger. The rotating head of the unit helps in better edger conversion and edging. Whereas, the folding spacer guard of cordless weed eater helps protect flowers and ornamental landscaping.

The 6-pound weight of the Worx wg184 battery operated string trimmer is easy to handle by the elderly. Whereas, fixed ergonomic handle offers maximum control over the unit while whacking grass. Not just that, Worx features a 100% automatic single line feed. As a result, helps to work flawlessly without the need to stop and adjust line feed in between edging. Moreover, you can even expand the cutting width of this battery weed whacker from 10-inch to 12-inch. As a result, it trims a large area in less amount of time.

Key Features:

Adjustable cut path(Max. 12-inch)
20 V lithium-ion battery
Fixed ergonomic handle
Rotating head
Folding spacer guard
Weighs 6 lbs

Why It’s Worth Buying:

Worx wg184 quickly converts from a trimmer to an edger and vice-versa in seconds
A folding spacer guard protects your favorite flowers from damage during cutting of grass
Edging along your sidewalks will make the entire path look beautiful
The unit comes with a string and a spool so that you can start working on your lawn right after unboxing it
Lightweight in combination with ergonomic handle design helps in easy maneuvering of the power whacker
Quiet working is another wonderful feature of the Worx wg184 model

6. DEWALT DCST920P1 Brushless Trimmer – Best Battery Powered String Trimmer

Dewalt 20v brushless string trimmer is best to trim through the long and tough overgrowth. And as it comes with brushless motor, it helps in maximizing its efficiency and durability. And more the efficiency of the motor, more effectively it will cut the grass, small plants, and weeds.

All thanks to the brushless motor this unit requires low maintenance. No need to worry about carburetors, spark plugs or air filter. Just pull the trigger in order to start or stop the machine. Less maintenance and high output make DeWalt dcst920p1 one of the best battery string trimmer on the review list.

A speed trigger lets you control the speed of swirling strings. You can easily change the speed from high to low and vice versa by simply pressing a switch. Whereas, a bump feed line system allows you to press the unit against the ground in order to maintain the proper string ratio.

Another positive thing about DeWalt dcst920p1 battery powered string trimmer is it includes a power unit and a charger. Thus, you just have to assemble the unit in order to start using it right after unboxing.

Key Features:

13-inch cutting swath
5.0 Ah lithium-ion battery
Brushless motor
Speed control trigger
Dual 0.080 line
Bump feed system
Weighs 13.78 lbs

Why It’s Worth Buying:

Easy start and stop of the device because of its brushless motor makes it worth the money
The great efficiency of motor helps in ripping small shrubs and weeds
The main unit comes along with the battery and a charger so that you can start using it right after unpacking
A speed control switch lets you alter the swirling speed between high and low
Soft grip handle lets you maneuver easily while you’re working on your lawn
Just press the unit against the ground in order to maintain proper string ratio

7. Greenworks 12-Inch 40V Battery String Trimmer Review – Variable Speed Trigger For Power on Demand

Next, on our best battery powered string trimmer reviews, we have another product from Greenworks. But this time the unit is especially to trim grasses and weeds in small yards.

The 2.0 Ah battery of the device has run time of up to 30 minutes. And this much time is good enough to work on yard measuring around 1/4 acre. Further, its 0.065 dual lines help in the quick cutting of grass and weeds.

You can even control the speed of swirling strings of this battery-operated string trimmer with the help of a trigger. Not only will it help to save battery but it also gives professional results.

In spite of the bump feed system, Greenworks 2101602 battery powered string trimmer features an auto-feed line system. This system will automatically draw out more line from the spool once it gets short.

The ergonomic design of the product along with a soft grip handle offers superior balance while trimming. The lightweight of the unit equally contributes to smooth and fast operation. The 9.2 lbs of weight are not too heavy to cause muscle fatigue even if you hold the unit continuously for half an hour. Thanks to all these amazing features you can consider it in your list of best battery string trimmer.

Key Features:

12-inch cutting swath
40 V battery
Speed trigger
0.065 dual-line
The auto line feed system
Weighs 9.2 lbs

Why It’s Worth Buying:

Working capacity makes it the best battery string trimmer for small yards
Auto feed system fetches the string automatically once it gets short
Run time of up to 30 minutes is ideal to mow lawn 1/2 acre in size
Lightweight gives more control over the unit while trimming
You can alter swirling speed by simply pressing a trigger
Not only the unit is light in weight but it is light on your budget too

8. Worx WG163 GT 3.0 20V Cordless Battery Grass Trimmer Under $100 – Excellent 12 Inch Cutting Diameter

If you are looking for a budget battery string trimmer then Worx wg163 is a perfect choice. The Worx wg163 cordless weed eater is low on a budget yet powerful in performance. In fact, it offers both the function of trimming and edging in the single unit.

It takes seconds to convert it from an edger to a weed whacker and vice versa. Also, you do not need any type of special tools for conversion. Just pull the lock and turn the shaft to convert the unit into an in-line wheeled edger. Similarly, reverse the settings to turn it into the weed eater again.

The Worx wg163 battery powered string trimmer comes with 2 lithium-ion batteries. However, the unit needs only one power module in order to operate it. You can put the other module in charge while you’re using the other one. This way you can work on your yard for hours without any interruption.

A front auxiliary handle has 7 locking adjustments for maximum comfort while trimming, edging, or mowing. All the functions convinced us to list it in our cheap battery string trimmer review.

Key Features:

12-inch cutting diameter
Two 20 V batteries
0.065 line diameter
Flower space guard
100% single-line feed
Dual-position wheels
Weighs 6 lbs

Why It’s Worth Buying:

Less price of the product makes it one of the top-rated battery operated string trimmer on Amazon
You can easily convert the weed whacker to an edger or vice versa without any tools
Dual-function flower space guard helps protect vegetation and acts as an edger guide
The ultra-lightweight of the unit makes it easy to maneuver while trimming
90-degree pivoting head helps to cut grass in hard-to-reach areas
User-friendly control is what makes it so popular among users

9. BLACK+DECKER LST300 Electric Weed Wacker Review – Powerful Battery Pack For 33% More Run Time

Level of comfort increases if a cordless weed whacker has an adjustable shaft length. So we present you the black and decker lst300 battery powered string trimmer with an adjustable shaft length. Thus, you can easily alter the height of the unit according to your comfort. Not only will this cause less strain on arms but you can freely maneuver the unit over grass and weeds. While its power-drive transmission system delivers more power from the motor to the cutting string. As a result, it does more work in less amount of time.

The automatic feed spool eliminates the need to bump the unit against the ground in order to draw out the string from the spool. The line automatically comes out from the battery-operated string trimmer once it gets short.

This unit easily converts from a weed whacker to an edger in seconds. So yes, you can get the benefit of both the functions that too under budget. Hence, which makes it one of the best battery string trimmer edger.

Key Features:

12-inch cut swath
20 V lithium-ion battery
Adjustable shaft length
2-in-1 convertible unit
Automatic feed spool
Weighs 5.7 lbs

Why It’s Worth Buying:

Black and decker’s power-drive transmission technology delivers more power from the motor to cutting string
Pivoting handle along with the adjustable length of the shaft allows you to modify unit according to your comfort
The lightweight of the device makes it easy to maneuver
The weed whacker easily turns into an edger in seconds
Price of the product is not too heavy to move your tight budget
Run time of the unit is good enough to mow lawn size of up to 1/2 acre

10. DEWALT DCST970B FLEXVOLT 60V MAX Battery Powered Grass String Trimmer Review

Heavy-duty working capacity of DeWalt dcst970b battery string trimmer can tackle through the tough overgrowth. Thanks to its high-efficiency brushless motor that maximizes run time and motor life. Another benefit of having a brushless motor is it produces far less noise than gas weed eaters. Plus there is no need to worry about carburetor and other stuff as they start instantly with the press of a button. Therefore, this 60 V battery operated string trimmer is suitable for working on large yards.

A variable speed trigger with high/low-speed control allows you to manage power. While the high setting is favorable for weed overgrowth, low speed is best for trimming grass. However, DeWalt dcst970b flex volt battery powered string trimmer is quite heavy. This is because of its high-efficiency motor and large cutting swath.

Its ergonomic design in combination with soft-grip handle minimizes stress on your arms. Conclusively, it stands as the best battery string trimmer for everyday heavy-duty use.

Key Features:

15-inch cutting swath
60 V battery
0.080 line size
Brushless motor
Variable speed trigger
Gear drive design
Weighs 12 lbs

Why It’s Worth Buying:

Cutting path of the unit is highest till now in our best battery string trimmer reviews
The unit offers a speed control trigger to easily control speed from low to high and vice versa
Brushless motor runs quietly as well as maximizes run time
This Dewalt cordless weed whacker is perfect for everyday use
Large cutting swath helps in the trimming of the grass fast
The 60 V lithium-ion battery lasts long enough to trim yard up to 1-2 Acre

11. BLACK+DECKER 20V MAX Lithium Battery String Trimmer Review – Bonus 2 Battery Combo Kit

Black and decker lcc222 battery string trimmer is best to use in small size yards. You can easily convert this string trimmer into an edger to edge border of sidewalks. To make things simpler for you, black and decker lcc222 comes with a blower.

This lightweight blower is helpful in accumulating all the leftover cutting in one place. In fact, you can use the blower for clearing driveways, decks or garages apart from blowing grass cuttings. This way you save a lot of time that you can probably spend doing other activities.

The weight of this battery-powered string trimmer is just 7 lbs which makes it extremely easy to carry around. Not only the unit is light in weight but it also produces low vibrations. Both of these features help in easy maneuvering of the device while causing less strain on arms.

Similar to many of the models on our best battery string trimmer reviews, this unit also features automatic feed spool. This system eliminates the need for bumping or stopping your battery-operated string trimmer in between the trimming process. Thus, allowing you to work on the yard continuously till the battery lasts.

Key Features:

10-inch cutting path
2 20V batteries
Includes blower
Auto feed spool system
Fixed handle
Weighs nearly 7 lbs

Why It’s Worth Buying:

You get both weed whacker and edger at a very low price
The cordless weed eater can be converted into an edger in seconds
The lightweight of the unit will not cause muscle strain even if you work for hours
It comes with 2 sets of batteries for relatively large size of the yard
No need of bumping as the device automatically draws out the string when it gets short
The trimmer blower combo eases the cleaning process