Best Weed Whackers of 2020 – Top String Trimmer Reviews

A good lawn mowing session is not complete if you cannot get all the weed out. Weed grows in places where we don’t want them. Investing in a good weed whacker is important if you want your garden or lawn to look clean.

Weed whackers have reached a point where they are considered to be replacing lawnmowers. These outdoor power tools are very handy and easy to operate. We have shortlisted a few values for money whackers for you to clean your own green space.

Best Weed Whackers – Comparison

PictureNameEnginePower SourcePrice
BLACK+DECKER LST 136BLACK+DECKER LST 13640-VoltsBattery-PoweredCheck Latest Price
BLACK+DECKER LST 300BLACK+DECKER LST 30020-VoltsBattery-PoweredCheck Latest Price
Hitachi CG23ECPSL Gas PoweredHitachi CG23ECPSL Gas Powered22.5cc 2-CycleGas-PoweredCheck Latest Price
DEWALT DCST920P1 BrushlessDEWALT DCST920P1 Brushless20-VoltsBattery-PoweredCheck Latest Price
Husqvarna 324L Straight ShaftHusqvarna 324L Straight Shaft4 Stroke 25ccGas-PoweredCheck Latest Price
Ego Power+ Brushless StringEgo Power+ Brushless String56-VoltsBattery-PoweredCheck Latest Price
Husqvarna 129C CurvedHusqvarna 129C Curved 28cc 2-CycleGasoline-PoweredCheck Latest Price
Tanaka TCG27EBSPTanaka TCG27EBSP26.9cc 2-CycleGas-PoweredCheck Latest Price
WORX WG163 GT 3.0WORX WG163 GT 3.020-VoltsBattery-PoweredCheck Latest Price


Best Weed Whackers – Reviews



The first weed whacker in our list the BLACK+DECKER LST 136W. This is an ideal instrument if you have a rather large backyard or lawn to clean. It’s really durable. It runs on battery so you don’t have to carry a string of chords with you.

The power comes from a PowerDrive Transmission system. It enables the motor to deliver more power to the cutting edge for faster operation.

BLACK+DECKER LST 136 uses a 40V system for longer cleaning sessions. The fast charging feature is great if you need the whacker on short notice. The recorded charging time is less than 2 hours.

The actual trimmer that eats away the weed is a 13-inch edger. There is a “POWERCOMMAND” mode that allows the user to set the rotation. You can either use it in low rpm for longer battery life or use it in high rpm for faster cutting.

You can convert the cutting end to a trimmer or an edger anytime you want. The head moves 180 degrees for dual operations.


  • Adjustable POWERCOMMAND mode
  • Faster charging
  • Lightweight
  • Full 3 years warranty
  • Trimmer and edger modes


  • Battery drains fast


This weed whacker is the smaller sibling of the LST 136. If your property does have a smaller garden rather than a huge backyard, this is the right weed whacker for you. BLACK+DECKER LST 300 also runs on battery.

The power delivery is very similar to the LST 136. But the motor doesn’t go over 6500 rpm, which you would not need for a small area. This model is designed to be efficient and to have longer battery life. The cutting string is 12-inch in diameter.

BLACK+DECKER LST 300 uses a 20V system. It is equipped with a 2 ampere-hour (ah) battery. As we mentioned earlier, this one is designed to last. You might as well finish trimming your whole lawn before running out of juice.

This weed whacker is very lightweight and comes with adjustable handles. Meaning you can adjust your preferred height while trimming. It is dual more enabled, trimmer and edger. The “Runtime Extension Technology” helps running the machine for longer than you would guess.


  • Economical
  • Efficient & longer battery life
  • Dual operation
  • Automatic Feed Spool for uninterrupted work
  • 2 Years warranty


  • Lacks fast charging feature
  • Optimum for smaller properties
  • Longer charging time

3. Hitachi CG23ECPSL Gas Powered String Trimmer

Hitachi CG23ECPSL Gas Powered String Trimmer

If you want a strong weed whacker that will eat through anything that comes in the way, the Hitachi CG23ECPSL 22.5cc 2-Cycle Gas Powered Solid Steel Drive Shaft String Trimmer is what you are looking for. It operates with a 2 stroke 25cc engine rather than electric power.

This beast will destroy even the thickest of the vegetation. It comes with a 60-inch shaft that makes it ideal for taller users. Relatively short users also become familiar with the feeling soon enough. A great whacker for driveway and sidewalk weeds.

This weed whacker is significantly powerful considering it weights approximately 10 pounds. It also comes with anti-vibration technology which makes the user’s life a lot easier in longer sessions.


  • Long shaft to reach anywhere
  • Lightweight while powerful
  • No vibrations to cause fatigue
  • S-Start system for easier starts
  • Great for commercial usage


  • Relatively expensive
  • No shoulder strap included
  • Spool holds only 13-feet of string
  • Mixing gas and fuel is a hassle


Also Read: Best Hedge Trimmer – Why Cordless Isn’t Always Better!

4. DEWALT DCST920P1 Brushless Trimmer

DEWALT DCST920P1 Brushless Trimmer

Those who are familiar with home improvement tools, know the name DEWALT. They have created a name for themselves over the years with their great tools to improve your household. The DEWALT DCST920P1 is no different.

This great weed whacker features a brushless motor that ensures maximum efficiency and durability. It runs on 20V and has a 5.0 ampere-hour battery. It means you can tackle the toughest grass with this beast and still run for hours.

It goes up to 6000 rpm which is adequate to cut through any string of weed. The patented gear drive design with adjustable speed control gives you the freedom to work on your property as you wish.

A dual 0.080-inch line bump feed creates a perfect 13-inch cutting radius. This machine is fitted for both large and small properties, just as tools should be. Moreover, you have to right to choose the cutting speed depending on how much time you are willing to spend.


  • Lightweight
  • Gear drive design for added torque
  • 0 ah lithium-ion battery for prolonged use
  • Fast, quiet and effective


  • Long charging time
  • Expensive
  • Warranty doesn’t cover the motor

5. Husqvarna 324L Straight Shaft Gas String Trimmer

Husqvarna 324L Straight Shaft Gas String Trimmer

Yet another gas-powered weed whacker in our list. Some names don’t require any introduction. Husqvarna is one of those names when it comes to home maintenance tools. This model of weed whacker is targeted towards large areas. This 4-stroke powered beast can take on any surface and grass.

Typical homeowners might not feel the need for this commercial grade string trimmer. But people who have the burden of cleaning large areas, this weed whacker is on their top choices.

The 4-stroke engine produces enough power to cut anything between the trimmer and the grass. The modern design focuses on user convenience so you don’t have to go through the trouble of mixing oil and fuel as you have to in 2-stroke engines.

The smart start engine and starter system help this piece of equipment to start very easily. It has an air purge that eliminates air from the carburetor which results in very fuel-efficient operations.

To trim and edge seamlessly, the Husqvarna 325L gas trimmer features a flex drive, a bevel gear, and a loop handle.


  • Comparatively light
  • Easy to use
  • No oil-fuel mixing
  • Air purge to keep carburetors clean
  • Efficient performance of 4-stroke engines
  • Effortless starter system
  • Durable and heavy duty


  • Quite expensive
  • Loud

6. Ego Power+ Brushless String Trimmer

Ego Power+ Brushless String Trimmer

This one definitely runs ahead in the race of battery-powered weed whackers. With a 56V cordless motor and a 2.0 ampere-hour battery pack, you will be banishing all unwanted plants out of your backyard.

The power of this 56V brushless motor is often compared to gas-powered weed whackers. The 15-inch cutting swatch allows you to feel the power of heavy-duty gas-powered weed whackers, minus the noise and the emission.

The 49-inch aluminum shaft allows users of any height to operate this beauty effortlessly. The compatibility of this machine with other Ego Power+ tools makes your lives easier than ever.

This Ego Power+ weed whacker comes with an unmatched few-year warranty and an industry leading 3-year warranty for the battery pack. Dual feed 0.095-inch line ensures no bumps in the road.


  • 56V brushless motor for incredible power
  • 0 ah battery for long time operations
  • Suitable for both small and large properties
  • 3 Years battery warranty


  • Price is on the expensive side
  • Might run out of battery on larger properties


Also Read: Best Gas Log Splitter – Top Models Analyzed and Reviewed

7. Husqvarna 129C Curved Gas String Trimmer

Husqvarna 129C Curved Gas String Trimmer

Husqvarna makes our list yet again with another one of their gas-powered weed whackers. This 27cc engine is a menace when it comes to whacking weed. This features an exceptional curved shaft for better ergonomics.

This weed whacker comes with a huge 17-inch cutting swatch for getting through the grass fast. The raw power from the 2-stroke engine makes the process really smooth. The X-Torq engine design ensures no harmful emissions are being released in the air.

The smart start function of the Husqvarna trimmers ensures absolute ease of use. The Auto Return Stop feature is an added bonus to this beautiful machine. This switch flips the stop switch to start position for easier starts every time.


  • Lightweight, only at 10 pounds
  • 27cc beastly engine
  • 17-inch cutting radius for efficiency
  • X-Torq design to be environment-friendly
  • Curved shaft for better ergonomics
  • Auto Return Stop switch
  • Smart Start Function


  • Relatively loud
  • 2-stroke engines need oil in the fuel

8. Tanaka TCG27EBSP

Tanaka TCG27EBSP

This 2-stroke beast is targeted generally towards commercial users. It features a 26.9cc commercial grade engine for durability and reliability. It has an aluminum clutch housing so the clutch doesn’t exceed it’s temperature limits.

Despite the capability to handle anything in the form of grass, this Tanaka TCG27EBSP is very efficient and economical. This has a unique copolymer design that cuts the noise by half. It can come as low as 110 decibels for the comfort of your ears.

It comes with a long solid steel shaft. The handles are padded for a comfortable grip. The steel shaft itself helps to reduce the vibration for fatigue resistance. The manufacturer spent a lot of time and money to make sure these things are comfortable as it is supposed to be used commercially.


  • S-Start technology for easy starts
  • Long shaft and padded grips for long time use
  • Very durable and strong
  • 2 years warranty
  • Economical and efficient
  • The comparatively lower noise level
  • Spindle lock design for easy disassembly


  • Quite heavy
  • Needs oil fixed in the fuel
  • Very expensive
  • Despite the noise reduction technology, it is pretty loud

9. WORX WG163 GT 3.0

WORX WG163 GT 3.0

WORX is a known name in the home improvement industry. This weed whacker is designed specifically for fast and convenient operation. The WORX WG163 GT 3.0 has dual operating mode meaning you can trim and edge your lawn.

The 20V motor paired with two lithium-ion batteries eliminates the need to think about consistent power. You can charge one while you use the other one. The 12-inch cutting swatch is decent enough to tackle any stubborn grass stuck in your way.

The telescopic shaft allows users of different heights to adjust their posture. The “Innovative Command Feed” spool system allows instant line feeding.

What makes this weed whacker great for home uses? The ultra-lightweight. It weighs approximately 5.3 pounds! You can cut your grass for as long as you want without feeling any tiredness.

A dual function spacer guard secures your flowers and other plants that also works as an edge guide. The battery pack is compatible with any WORX machinery for your convenience.


  • Very user-friendly
  • Ultra lightweight
  • Adjustable shaft for a vast spectrum of users
  • Two batteries to switch between
  • 12-inch cutting path ideal for small and medium properties
  • Edging and trimming simultaneously


  • Relatively loud
  • No speed control

10. Greenworks 13-Inch 4 Amp 21212

Another great weed whacker for small properties. Very light in weight and budget friendly. It has a 13-inch cutting radius and handles any types of grass. It produces a decent amount for torque considering the weight and price.

GreenWorks 21212 string trimmer comes with a 4-ampere motor. Only 5.2 pounds of weight accompanied by the battery makes weed whacking seem like child play. The adjustable handle fits users of any height.

This great economic machine features a dual line auto feed for consistent operation without any bumps in the road. As the trimmer is connected to an outlet, you can take all the time in the world to clean your lawn.


  • Very light and easy to use
  • Chorded power for unlimited usage
  • Telescope shaft for better ergonomics
  • Large cutting path
  • 180 degrees rotation
  • No emission


  • Not suitable for large properties
  • Needs wall outlet to operate


There you have it. The best weed whackers to buy for a clean looking backyard or lawn. Some of these weed whackers possess the ability to replace lawnmowers altogether. So, if you like any of these to serve as your property maintenance tool, just click the link and start whacking.

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Sean J. Stone

Sean has been a woodworking enthusiast for 8 years, and in that time has written huge resources on woodworking and tools.

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