Zero emission is one of the best things about a battery string trimmer. And if you are looking forward to buying a unit for trimming grass of small yards then battery operated string trimmer is a way to go. Not only do they cut down fuel cost but are more easy to operate as compared to gas weed trimmers. Also, a battery powered string trimmer eliminates the hassle of maintaining oil and fuel ratio as in gas units.

Another great thing about a battery string trimmer is they produce less amount of noise. And who doesn’t to love to work in a peaceful environment? They run so quietly that you will not need a noise canceling headphone. Unlike gas weed eaters, a battery-powered string trimmer does not have a pull start mechanism(1). Instead, you just have to push a switch to start the engine. The only thing you need to take care about is, fully charge the battery before trimming the grass.

Easy to use and less on maintenance, let us begin with our best battery string trimmer reviews. Each of the product is thoroughly examined before listing. So no further searching as homestuffpro will definitely help you in buying the perfect product. It is time to say hello to peaceful hours of trimming grass.

However, before you jump to trimmer reviews, here are some of the quick mention which is worth buying:

Preview
Best Of All
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr....
Value For Money
Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger...
Cheapest
BLACK+DECKER LST300 Weed Whacker
Model
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr....
Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger...
BLACK+DECKER LST300 Weed Whacker
Battery Power
40V
Dual 20 Volt
20 Volt
Run-Time
60 Minutes
25 Minutes (Each)
20 Minutes
Trimming Diameter
13 Inch
12 Inch
12 Inch
Customer Rating
Customer Reviews
28 Reviews
805 Reviews
1,068 Reviews
Best Of All
Preview
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr....
Model
Worx WG184 40V (2.0Ah) 13" Cordless Grass Trimmer/Edger with in-Line Edging, and Command Feed, 1 hr....
Battery Power
40V
Run-Time
60 Minutes
Trimming Diameter
13 Inch
Customer Rating
Customer Reviews
28 Reviews
Check Price
Value For Money
Preview
Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger...
Model
Worx WG163 GT 3.0 20V Cordless Grass Trimmer/Edger with Command Feed, 12", 2 Batteries and Charger...
Battery Power
Dual 20 Volt
Run-Time
25 Minutes (Each)
Trimming Diameter
12 Inch
Customer Rating
Customer Reviews
805 Reviews
Check Price
Cheapest
Preview
BLACK+DECKER LST300 Weed Whacker
Model
BLACK+DECKER LST300 Weed Whacker
Battery Power
20 Volt
Run-Time
20 Minutes
Trimming Diameter
12 Inch
Customer Rating
Customer Reviews
1,068 Reviews
Check Price

Top 10 Best Battery String Trimmer 2019

ModelBattery PowerCutting DiameterBattery Run-TimePrice
Greenworks STB40 Volt12 Inch45 Minutes
Worx WG18Dual 20V13 Inch1 Hour
Greenworks 4.0 AH40 Volt14 Inch1 Hour
Worx WG15420 Volt10 Inch25 Minutes
DEWALT DCST20 Volt13 Inch25 Minutes
Greenworks 210160240 Volt12 Inch50 Minutes
Worx WG163Dual 20V12 Inch50 Minutes
BLACK+DECKER LST30020 Volt12 Inch35 Minutes
DEWALT FLEXVOLT60 Volt15 Inch90 Minutes
BLACK+DECKER LCC222 Dual 20V10 Inch20 Minutes

That is all from the table, Now here is our battery string trimmer reviews for 2019.

1. Greenworks 40V Cordless String Trimmer & Blower Combo Pack – Best Combo Sale

Greenworks 40V Cordless String Trimmer...
182 Reviews
Greenworks 40V Cordless String Trimmer...
  • Up to 45 minutes of run time with fully charged 2.0Ah Battery, Battery and charger included
  • The innovative axial fan design delivers 110 mph and 390 CFM to handle tough clearing jobs
  • Light weight and easy to use

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 cause 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 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 Choice product
  • Lightweight and soft grip handle is the reason behind easy maneuverability of the unit

2. Worx WG184 Review – Best Powered String Trimmer and Edger

Worx 40V (2.0Ah) 13
28 Reviews
Worx 40V (2.0Ah) 13
  • Dual 20V batteries team up for 40V maximum power
  • Change from a trimming to inline wheeled edging in no time
  • 2-In-1 design offers professional results

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 delivers 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 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 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 offers more run time. Simply press and release the trigger to control the speed of 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 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

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

Sale - Lowest Price
Greenworks 14-Inch 40V Cordless String Trimmer...
590 Reviews
Greenworks 14-Inch 40V Cordless String Trimmer...
  • Attachment capable, accepts most gas attachments to provide mulitple use
  • Brushless motor delivers greater torque, quieter operation and higher battery efficiency
  • Starts within seconds with gas comparable performance, battery compatible with multiple tools

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 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 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

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

Sale - Lowest Price
Worx 20-volt Li-Ion Cordless Grass Trimmer/Edger...
176 Reviews
Worx 20-volt Li-Ion Cordless Grass Trimmer/Edger...
  • Convert trimmer easily to an edger and vise-versa in seconds
  • Convert the cutting path for a wider cut or extended run time
  • Fixed ergonomic front handle for maximum control. Charging time: ≈ 5 hours

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 other and vice-versa in seconds.

Not just that also, you do not need any type of tool to convert it to an edger. 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

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

Sale - Lowest Price
DEWALT 20v Brushless String Trimmer...
704 Reviews
DEWALT 20v Brushless String Trimmer...
  • Brushless Motor maximizing motor efficiency and durability
  • Dual 0.080" line with bump feed, with 13-inch cutting swath
  • Variable trigger with speed control

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
  • 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

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

Sale - Lowest Price
Greenworks 40V Cordless String Trimmer...
188 Reviews
Greenworks 40V Cordless String Trimmer...
  • Industry's largest 40V battery system powers 25+ tools
  • 2X more power than 20V
  • 12" 065 dual line with auto-feed head to rip through weeds for fast trimming

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 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. 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
  • 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

7. Worx WG163 GT 3.0 20V Cordless Battery Grass Trimmer – Excellent 12 Inch Cutting Diameter

Sale - Lowest Price
Worx 20V Cordless Grass Trimmer with Command Feed...
805 Reviews
Worx 20V Cordless Grass Trimmer with Command Feed...
  • 2-in-1 function with dual-position wheels for grass trimming and edging
  • Converts from a trimmer to an in-line edger in seconds with no tools; No-Load Speed : 7600/min
  • Two (2) 20V cordless Max lithium power batteries provide continuous power - charge one, use one.

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 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

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

Sale - Lowest Price
BLACK+DECKER Weed Whacker...
1,068 Reviews
BLACK+DECKER Weed Whacker...
  • 20-volt Lithium Ion battery pack for 33% more run time
  • The PowerDrive Transmission delivers more power from the motor to the cutting string so you can get...
  • Automatic Feed Spool ensures continuous work without bumping. Line diameter: 0.065 inches

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
  • 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

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

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DEWALT FLEXVOLT 60V MAX String Trimmer...
326 Reviews
DEWALT FLEXVOLT 60V MAX String Trimmer...
  • Gear drive design powers through tough overgrowth
  • 15" cutting Swath with 0.080" line (also accepts 0.095")
  • High-efficiency Brushless motor maximizes run time and motor life

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 flexvolt 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

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

BLACK+DECKER String Trimmer/Edger...
537 Reviews
BLACK+DECKER String Trimmer/Edger...
  • Sweeper is ideal for clearing driveways, sidewalks, decks, garages
  • String trimmer features Automatic Feed Spool; no bumping required
  • Lightweight design, low noise levels

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 of bumping or stopping your battery operated string trimmer in between trimming process. Thus, allowing you to work on yard continuously till the battery last.

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 edger in seconds
  • Lightweight of the unit will not cause muscle strain even if you work for hours
  • It comes with 2 set of batteries for a 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 cleaning process

If money is getting in your way for buying the right trimmer, then don’t lose hope as we have already reviewed the best string trimmers under $50. Beyond that, you can use a pressure washer to clean your garden after trimming the grass.

Buyer’s Guide

Battery Power of the String Trimmer

You cannot expect a cordless weed eater to cut through dense and thick shrubs. Even if you try to trim them, you might end up damaging the unit. Then why should you buy a battery string trimmer? Well, because they are light in weight, easy to start and perfect for residential use. Also, they produce far less noise than gas weed eaters. And if the size of your property if less than 1.5 acres, then a battery powered string trimmer is just perfect.

Battery Life of the String Trimmer

The most concerning question of anyone who is thinking to buy such unit is, ‘how long do the battery of cordless string trimmers last’? Life of the battery depends upon several factors such as motor efficiency, RPM, speed variations, etc. Along with all such factors, what kind of battery your unit comes with is also important. Nowadays, most cordless weed eaters make use of lithium-ion batteries as they are light in weight and more powerful.

30-45 minutes is the average battery life of a cordless string trimmer having all decent functions. Whereas, there are some units that offer a battery life of up to 60-90 minutes on a single charge. This much of battery life along with great mobility of battery powered string trimmers makes them the first choice while thinking about trimming grass and weeds of any residential property.

Top 10 Best Battery String Trimmer 2019 – Complete Review & Buyer’s Guide
4.7 (93.73%) 83 votes

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