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10 Best Battery Powered Weed Eater Reviews & Buying Guide. Finding the best battery powered weed eater is no joke. With the thousands of options, companies, and features, you’re bound to be confused. But why do you need one? So that you can have the perfect lawn, of course! Weed eaters can be a great asset in your tool shed. The Black + Decker LST300 Electric Weed Eater is a versatile trimmer and edger that’s designed to tackle small gardens and hard-to-reach spots with ease. While the battery power is good, there are better battery-powered options for larger areas, like the RYOBI RY40204A.

How many weed trimmers have you looked at before landing on this guide? We’re going to guess quite a few unless this is the beginning of your search for the best cordless weed trimmers. In either case, you’ll find exactly what you need here!

While it may be easy to keep the tall weeds at bay when you have a trimmer, finding a good model isn’t so easy with all of the choices available out there.

Below, we will be showing you some of the best battery-powered weed eater units. This will make it quick and easy to find a high-quality trimmer.

How to Choose a Trimmer

There are so many small things to take into consideration when choosing the best cordless weed trimmer. Here we highlight a few of the most important ones for you here.

Consider Trim Width

The full diameter of the strings as they spin, the trim width averages about usually around 12 inches. This is the primary sizing element for a string trimmer. If you have a high volume of cutting to do, we’d suggest that you look for a trimmer with a wider cutting width, maybe around 15 inches.

Choose a Motor Powerful Enough for Your Needs

Some of you may just need to lightly trim a few stray weeds around the perimeter of the yard. While others need to tackle the field of grass that’s invading the lawn. The bigger the workload, the more power you’ll need. If you know that you’ll be using the trimmer in some thick areas on a regular basis, opt for one with a higher voltage which will directly result in more power. The battery voltages run from 12V up to 40V and well beyond for truly powerful units!

Battery Type

The newer Lithium-Ion (Li-ion) batteries are FAR SUPERIOR to the older NiCad batteries. If you are looking for a less expensive trimmer, you will still find some with NiCad batteries. These should be avoided as the batteries will not last, and often start underperforming in the first season of use! Only buy trimmers with Li-ion batteries regardless of size.

Battery Capacity

Battery capacity is measured in Amp-Hours (Ah). Note that a 40V 2Ah battery will have twice the energy of a 20V 2Ah battery, so you should only compare battery capacities on trimmers with the SAME battery voltage. The battery capacity will determine the run time of the unit.

Battery Count

If you need long and continuous run times, then you will want 2 batteries so one can charge while you are using the other. For most home users, this is probably not needed. Look at your requirements for run time and see what each battery will provide. The batteries are a very expensive part of the package!

Line Feed

Anyone who has owned a string trimmer knows that eventually, you will be dealing with the line feed. Sometimes it might just be to refill, but all too often it will be line feed failure. The latest models have advanced line feed mechanisms that work much better.

How to Determine How Long It Will Run

As we mentioned below, the “Ah” (amp-hour) rating of the battery is the amount of energy it can store. This will directly correlate to the runtime of the weed trimmer and why we are mentioning it to you now!

Be aware though, that many battery powered devices may state an unrealistic runtime. We found this especially true for older cordless wee trimmers.

The higher the Ah rating, the longer the battery will run on a single charge. Realize that the runtime is just an estimate and it is quite hard to determine an exact run time since so many factors are in play. Sometimes, you might just “zap” the weeds here and there. Other times you may have the motor running full-blast for long periods of time.

If you blast through a patch of thick weeds, the motor is going to work extra hard and you’ll wear down the battery faster!

The moral of the story is that the AH of the battery can give you a clue to the run time but exact time depends on how you use it.

We are a professional review site. You get our best product recommendations and we can receive small commissions from our affiliates at no cost to you. Win-Win!!

Top 3 Best Cordless Weed Trimmer Reviews

Just like my Apple MacBook Pro, I’ll say this unit is expensive, BUT NOT OVERPRICED. The unit has top of the line features across the board: light, powerful, easy line handling. The Ego Power+ is one of our favorite trimmers. This is a serious professional product.

1. EGO Power+ 15-Inch 56-Volt Lithium-Ion Cordless

EGO Power+ 15-Inch 56-Volt Lithium-Ion Cordless Brushless String Trimmer - 2.0Ah Battery and Charger Kit
  • Dual-feed twist line with 0.095 in. diameter
  • Hi-efficiency brushless motor with variable speed
  • Weather-resistant construction
  • Variable speed trigger
  • Extended aluminum shaft with in-line grip
Best battery powered weed eater 2020$237.95View on Amazon**Price from: 2021-04-10 at 23:30 EST

The shaft of the trimmer is now made from carbon fiber (upgraded from aluminum in the previous generation) keeping the weight down without sacrificing strength.

One of the keys to this trimmer’s success is the brushless motor. Brushless motors are popular in power tools since they can make the tool lighter, more efficient, and less noisy.

This trimmer has the EGO Power POWERLOAD feature which will solve the trimmer line handling issue. You insert a precut line into the trimmer and then it will wind it into the head. This makes it reload of string simple, quick, and flawless! I cannot overemphasize how big this is!✔️ Let's get it NOW!

2. DeWalt FlexVolt 60V Max String Trimmer

DEWALT definitely has one of the best cordless string trimmer models on our list (and one of the most expensive!)

DEWALT FLEXVOLT 60V MAX String Trimmer, Brushless, Two Speed, 15-Inch, 3-Ah Battery (DCST970X1)
  • Gear drive design powers through tough overgrowth
  • High efficiency brushless motor maximizes run time and motor life
  • 15 in. cutting swath with 0.080 in. line (also accepts 0.095 in.)
  • Variable speed trigger with Hi/Lo speed control for added power or extended run time
  • Lightweight and ergonomic design maximizes control and minimizes stress on your arms
View on Amazon**Price from: 2021-04-10 at 23:30 EST

This also has a wide, 15-inch trim width like the previous trimmer and has a much longer run time thanks to a higher 3.0Ah. It comes with two different speeds (high and low). So if you don’t need the extra available power, you can run on low and get extra-long battery life. And, just like the EGO; it also has a brushless motor to power it.

This unit weighs 13.9 pounds and thanks to the patented gear drive, you can slice through those thick patches of weeds like a hot knife through butter.

So why is the price so high? Well, you get the trimmer, battery, and battery charger, and if you had to purchase them separately, they’d cost you even more. But this is no ordinary battery.

The DeWalt FLEXVOLT system allows this batter to run at 60V or 20V so it can be used interchangeably with a whole line of DeWalt products. If this is you, this trimmer would be the first one to consider.

Considering the quality of this trimmer and the dependability of the brand, this is the right investment if you’ll be using the trimmer on a regular basis and need something that can handle bigger jobs. ✔️ I'm sold, let's get it!

3. Black+Decker LSTE525 Trimmer/Edger

Currently on SaleBLACK+DECKER 20V Max String Trimmer/Edger, 12-Inch (LSTE525)
  • Converts from trimmer to wheeled edger; Amp hour: (2) 1.5 ampere hour
  • Power drive transmission for increased torque
  • 2 speed control for more power or extended runtime. Line diameter: 0.065 inches; Cutting swath 12 inches
  • Easy feed allows you to advance your line with the push of a button with no bumping required
  • Part of the 20V Max system; 1 system endless tasks. Power for your style
$92.53−7%$86.33View on Amazon**Price from: 2021-05-07 at 22:58 EST

Our final suggestion is a bit more budget friendly and ideal for lighter trimming jobs. This unit has been on our recommendation list for years and continues to deliver.

This little trimmer weighs just 5.7 pounds, and we see that it is quite popular with quite a few senior gardeners since it is much lighter than some of the other units.

It runs on two 2.0 AH lithium batteries and should give you a run time of one hour on a full charge with average use.

One nice feature that we liked was the fact that you can change it from trimmer to wheeled edger by rotating the head, making it perfect to trim grass along flowerbeds and walkways.

Out of all the Black+Decker trimmers, this is probably the most popular. ✔️ Yes! I want it!

Related posts:

Best Cordless Lawn Mowers 2021Weed Eaters: What is in a name?Best Gas Weed Eaters 2021String Trimmer Knowledgebase

Best Battery Powered Weed Eater: A weed eater is one of the most important tools to maintain a lawn. They can be of different sizes and designs based on different work requirements and using different power sources from gas to electricity. Electric weed eaters can use either wire to get power from an outlet or battery as a power source.

Cordless weed eaters have improved over the years with better battery timing and durability. They can be much easier to use as compared to some others weed eaters.

What should you look for in a cordless string trimmer:

You should always look for a stress free device to work within your lawn. The device should not limit your movement and it should be able to give you enough mobility and freedom. You can buy a cordless trimmer which can give you these features and can make your work easier. Some of the important factors to consider while buying a weed eater are:

What power source your weed eater is using?

The trimmers can come in multiple designs which can be driven by multiple power sources, they can vary from gas powered to electricity based trimmers and further they can come with a cord to use electricity directly or they can be battery-driven and come without any cord.

Most cordless trimmers use battery as power source and mostly they can use lithium-ion batteries which are rechargeable and can be good for some hours once fully charged. The battery ratings can range from 18V to more than 50V which can give varying battery timings. So, you should be able to determine your requirement before deciding which cordless trimmer can be best for you.

Cost of trimmers:

Cost of any device can be deciding factor for its sale. Most of the trimmers comes in a reasonable price range and can be around $50 and some others can be up to $200 based on the quality of product. The cost factor can usually go up because of the additional features they provide in terms of free movement and durability.

Battery timing, technical support and warranty:

Battery timing can be an important factor for you if you are dealing with larger area as most of them can only run up to an hour so you would be required to recharge them after use. You should choose the product with best battery timing if you are required to use it more in a single session. Always choose trimmers which come with some warranty as they can cause some issues sometimes. Buying a product that provides technical support and warranty can save your money.

Your trimmer should be easy to use:

Always buy a trimmer which is easy to use and you are comfortable with it. A cordless trimmer can give you ease of mobility as compared to electric trimmers that come with a chord. Looking at the battery timing your trimmer should provide you enough flexibility and ease to finish your work around an hour or so.

The weight of trimmer:

For a cordless trimmer this is an important factor as you need to carry it around while working where fatigue factor comes into play after sometime and it can be hard to use it further.

You should go for a light weight trimmer which can solve your problem if you have any back issues. You should be aware of the weight you can carry easily and while buying a trimmer for your garden you should consider the weight of device.

10 Best Battery Powered Weed Eater Reviews

Some of the best battery powered weed eater can be:

Best Battery Powered Weed Eaters

1. Greenworks 13-Inch 40V Cordless string trimmer

Modern weed eaters using electricity and battery as a power source have eliminated the requirement of gas as power source for most of the weed eaters. With the technology of cordless weed eaters improving over the period of time now they are an important part of lawn maintenance. Greenworks 13-Inch 40V cordless string trimmer is a reliable tool and very lightweight as compared to gas powered or some other electric weed eaters. The machine is very easy to start with push buttons and it can operate at a maximum speed of 900 revolutions per minute when load is not applied.

The device comes with a lovely design with a pivoting head. This design makes sure the use of trimming wire at best as it allows you to use edging wheel for cutting and trimming which is most efficient technique. The device has capability of 13 inches wide cutting path which can make your task much easier and also comes with a rotating head which can rotate about 90 degrees to help you adjust the position of trimmer while cutting around hard surfaces. The trimmer comes with the battery timing of about 60 minutes which can be good enough if you are using for a lawn or courtyard. The device is much quieter than many of the equipment available in market for same purpose.

Key Features:

  • Gas free cordless design eliminates the gas hassle while getting the job done
  • Lighter, reliable, easy push button start will not wear your arms out.
  • Pivoting head allows for edging and trimming capability with edging wheel
  • Compatible GreenWorks Replacement Spool

Pros:

  • dual sting & can using both strings
  • automatically work
  • easy to maneuver

Cons:

  • We cannot find any cons

2. WORX WG163 PowerShare Cordless String Trimmer

The device is battery-powered cordless string trimmer which is one of the best battery weed eater. The device comes with an amazing feature which can convert trimmer to a weed edger in just few seconds. The trimmer comes with easy adjustments like handle tilt for easy usage and it can extend to the length you need. The head also can tilt up to 90 degrees which can help to work at tight angles. The device comes with an innovative push button which means that if you want to remove the string you are just required to push the button and trigger the device for few It comes with a cutting diameter of 12 inches and safety guard can provide safety to the other plants out of the cutting area. Trimmer comes with two lightweight lithium batteries each 20V that can help this device to run for more than an hour also it comes with a charger so they can be easily recharged.

Trimmer comes with command feed system where you can remove the string whenever you want with a single press of button. The product comes with free spools for the lifetime so you can change the spools easily when you feel they are not at best. The device is lightweight only about 5.3 lbs which makes it easier to carry around and also comes with technical support and 3 years of warranty.

Key Features:

  • Work it all with the same battery
  • Easily converts from a string trimmer
  • 2 powerful and lightweight 20V Power Share MaxLithium batteries

Pros:

  • The device is lightweight, having good performance, easy to use and good battery life.
  • It also has new features of instant feed line and push button, tilt of handle and head.

Cons:

  • Batteries can be no longer at best after some time and you may be required to recharge too often.

3. DEWALT DCST920P1 Brushless Trimmer

This DEWALT trimmer is amongst the one of the best trimmers available in market. The device comes with brushless motor which helps this device to be more efficient and it also has better durability than most of the competitor products in the market. It comes with a 13 inch cutting diameter and a 0.080 inch string . The special feature of this device is variable speed control as it allows user to operate the trimmer at varying speed. The gear design of this masterpiece allows you to control the device speed as per requirement.

It comes with 4 gears and you can change speed from 0 to 6000 revolutions per minute. It also comes with 20V lithium ion rechargeable battery which can easily be recharged with the charger that comes along with it. Despite being on a little heavier side the perfect design and weight distribution makes it easier to carry around. It is designed such that you would not feel too much of weight on your arms and back. The device also comes with auxiliary handle and protection guard.

Key Features:

  • Patented gear drive design
  • Variable trigger with speed control
  • Includes 20V MAX 5.0Ah Lithium Ion Battery

Pros:

  • The device is a good alternative to gas trimmers which can be cheaper but release smoke and fumes.
  • Great weight distribution, powerful battery and speed control of device makes it a special one.
  • Variable speed control.
  • Run-time to speed management

Cons:

  • The motor is not covered under 3 years of warranty and you would be required to pay If you want to change or repair it.

4. Greenworks 14-inch 40V Cordless String Trimmer

The trimmer also comes with a brushless motor and capable of accepting different attachments from other companies as well. The device comes with a 14-inch cutting diameter and 40V lithium ions rechargeable batteries and it comes with a charger as well. Batteries are compatible with multiple devices of same product and you can also use 2Ah and 4Ah batteries depending on your work requirements. The device can be on relatively heavier side as compared to other products in market as it weighs around 13 pounds.

The use of 4Ah batteries can increase the run-time significantly. The brushless motor can improve the efficiency and also run-time of battery. The trimmer uses a 0.80 inch string which works perfectly for most devices. The trimmer comes with beautiful design and weight distribution. It has an easy method to change the trimmer line. It has capability to accept attachments by simply removing a nut, use push button to release and replace with any other compatible equipment and you can simply use trimming end of tool with those attachments. Many of these features makes it one of the best battery powered string trimmer available.

Key Features:

  • Battery and Charger include
  • Battery compatible with multiple tools
  • Quieter operation and higher battery efficiency
  • Starts within seconds with gas comparable performance

Pros:

  • The trimmer produces minimum of noise and good battery timing as replacement of gas trimmers.
  • It can use multiple batteries and comes with the feature of multiple attachments capability.

Cons:

  • Ergonomics can be little less satisfactory.
  • A little heavy to carry around too much.

5. BLACK+DECKER Max Lithium Easy Feed String Trimmer

The device comes with the capability to convert to wheel edger and again it can be converted back to trimmer. It comes with a cutting diameter of 12 inches with the string diameter of 0.065 inches. It also comes with 2 powerful lithium ion batteries and gives a maximum voltage of 20V. This device can provide you the power to deal with thicker weeds and it works efficiently. Trimmer is designed for performing different tasks like mowing, trimming and efficient cutting around the corners.

The device comes with two speed controls where you can adjust between speed and power depending on the grass and weeds you are dealing with. The trimmer also allows you to feed string quite easily without being required to open any parts of device. It has a nice grip and quality handle which makes it easier to hold for longer intervals due to adjustable height. The motor of this trimmer can give from 5500 to 7200 revolutions per minute and also comes with replacement spool.

Key Features:

  • Converts from trimmer to wheeled edger
  • Power Drive Transmission for increased torque
  • 2 speed control for more power or extended run-time

Pros:

  • The device is lightweight but very powerful.
  • It comes with multiple batteries and high revolutions per minute and provide adjustments between speed and power.

Cons:

  • Battery timing can be insufficient when dealing with larger areas.

6. Husqvarna 128LD Cutting Path Detachable Gas String Trimmer

The device comes with 17 inch cutting diameter which is powered by 28cc 2-stroke engine. The engine works on a combination of gas and oil which can be prepared following user’s manual. The device comes with a go line feature where you can easily release new trimmer line by simply a tap and trimmer is designed for easy replacement of string. Trimmer gives you capability to monitor fuel of the device due to visible level of fuel.

The ability to attach multiple optional attachments increases the significance of device and it can be converted to a edger in just few seconds. You can easily maintain lawns using edger. It can be converted to a cultivator which can be useful for tilling your garden and also it can be used with pole saw which can be used to improve your reach while dealing with narrow angles and hard to reach spots. The device is lightweight and it can be use for different purposes and it can work best for a household. This gas trimmer comes with the removable shaft which makes it easier to work with and store it. Trimmer is also very to operate as it can be turned on and off with a single press of switch. It also comes with cutting guard for protection. The device comes with a 2 year warranty.

Key Features:

  • Easily release new trimmer line
  • Easy to replace the trimmer line
  • Fuel system using the air purge primer bulb

Pros:

Best Battery Powered Weed Eater Trimmer

  • The device is multipurpose trimmer perfect for a household.
  • Lightweight and easy to use.
  • Cutting guard for protection.

Cons:

  • Mixture of gas and oil can produce fumes sometimes.

7. Earthwise LS T02010 20V Cordless String trimmer

This trimmer is considered as one of the best battery driven trimmer in market. It comes with a powerful motor which can give better work rate and also to back it up it has 20V, 2Ah rechargeable lithium ion battery. The device comes with a fast charger to satisfy the needs of quick charging. Trimmer has a cutting diameter of 10 inches and it works with the string having 0.065 inches of diameter.

This battery-driven trimmer has a flip down edge so you can easily convert trimmer into a edger. The adjustable handle makes it easier to operate as per your requirements and ability to operate with pole makes this trimmer a perfect device to work at difficult angles. The best thing about cordless trimmers will always be flexibility and in addition to this battery-powered trimmers provide easy maintenance, no fumes and easy usage. The thing about the device is you can use any 20V rechargeable batteries that will work for the device and it comes with 2 year warranty with an year of warranty for battery as well.

Key Features:

Best battery powered weed eaters consumer reports
  • Adjustable handle
  • Lightweight and easy to use
  • Cordless, battery-powered and requires no gas or oil
  • Powerful 20-Volt 2. 0Ah lithium-ion battery and fast charger included

Pros:

  • The device satisfies the need of good trimmer required for lawn maintenance.
  • The battery comes with warranty which most companies do not provide.

Cons:

  • The powerful motor can cause the battery to drain quickly.

8. Makita XRU09PT1 Cordless string trimmer

The device comes with a brushless motor which is capable of producing high power and more rotational force. Trimmer comes with variable speed control and multiple speed options which ranges from 500 revolutions per minute to 5000 revolutions per minute and allows user to decide between power and run-time. It has quick line feed system which allows user to quickly change the line. It works with 0.080 diameter of string.

This trimmer is a quiet device which requires little maintenance. It comes with a 36V maximum operating voltage and comes 4 lithium ion rechargeable batteries. Brushless motor with powerful batteries can generate more power and better run-time. It also comes with fast rechargeable charger. The optimization of brushless motors makes it perfect and unique which can save battery and increase run-time up to 50 percent.

Key Features:

  • 3 speed options
  • Includes bump and feed trimmer head
  • Automatic Torque Drive Technology mode

Pros:

  • Optimization of brushless motors allows better run-time.
  • The device comes with fast charger for quick recharge.
  • Variable speed control allows to save battery.
  • Control over runtime.

Best Battery Powered Weed Eater For The Money

Cons:

  • A new user can face a hard time changing string of the trimmer.

9. WORX WG 184 Cordless trimmer

The trimmer comes with a two 20V batteries and which can share power to give maximum results. It can easily be converted to a edger so it can perform the tasks of edging along with trimming. The latest string trimmer comes with quick line feed system which allows user to string the device quickly. The device also gives user control over speed. You can change speed for thicker weed or grass and increase it according to requirement but it comes at the cost of less run-time.

The device comes with a soft handle grip which makes it easier to hold for longer periods. The trimmer comes with pivoting head which is able to rotate so provides ease to cutting around hard surfaces and slopes. The trimmer comes with 13 inches cutting diameter. It has a push button which can easily rotate the head of the trimmer. The device also comes with addition spool and a fast charger. It also contains a safety guard for protection.

Key Features:

  • Professional-grade trimmer line for sharp edges
  • Increase the speed when you run into tougher grass
  • Easily converts from a trimmer into an in-line wheeled edger

Pros:

  • Easy to use and perfect design.

Cons:

  • Customers support can be hard to find.

10. DEWALT DCST925M1 String Trimmer

The device comes with a 20V maximum voltage. It comes with multiple gear system which allows device to change speed according to grass or weed it is operating on. If it is being used on thicker grass the speed of the trimmer will go up. The device uses string having diameter of 0.080 inches which can be quickly fed using instant feed in system.

The gear system offers ability to change speed of the device which in turn allows to control run-time of machine. The trimmer is a lightweight device with ergonomic and balanced weight distribution that can give you flexibility and mobility.

Key Features:

  • Gear drive transmission design
  • Variable trigger with high/low speed
  • Lightweight, ergonomic and balanced design

Pros :

  • Variable speed controls.
  • Ability to control runtime.

Lowe's Battery Powered Weed Eater

Cons:

  • Motor can get hot quicker.

How to use the best battery powered weed eater?

  • You should take care of your safety while using a trimmer, wearing gloves, shoes and goggles for protection.
  • Always use trimmer head to cut the grass and make sure to not to touch the ground as it can damage the string if you keep touching hard surfaces.
  • Maintain a proper handle position so that you can maximize the trimmer efficiency.
  • You should make use of front and rear handle both in order to make best use of device.
  • Keep the trimmers above the area being cut and move the trimmer from side to side.
  • You can change the size of the string manually to make things easier if you are maintaining larger area.
  • You can easily cut around hard surfaces using this device because of rotating head.

Final Thought:

The battery-driven cordless weed eaters come with multiple features and qualities. Some are more lightweight while others can be more powerful and some can be combination of both. Some of them can give you better battery timing and others can be good at dealing thicker weed. They can also deal at narrow angles and around hard surfaces but all of them have one common quality, they will provide you flexibility and mobility which was not possible before. Cordless trimmers are environment friendly product as they produce minimum of noise and require less maintenance. With all these multiple products to choose from you can always choose based on your requirements while keeping some of the important factors in mind like what weight you can carry? Which brand is providing technical support and warranty? What is cost comparison of different brands and performance? Then you can get one of the best battery powered weed eater according to your requirements.

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