Best Battery Powered Weed Eaters

. October 14, 2017 . 0 Comments

If you are looking to perform the small trimming jobs, battery powered weed eaters are an excellent low cost option since they run on batteries and don’t restrict your movement.

What to look for when selecting the best battery powered weed eater


The cost of the battery powered weed eater depends on the quality of the battery. Since the battery determines the overall performance and longevity of the product, go for the Li-Ion battery. Although the cost is on the higher side, it will be excellent value for money because it requires less charging time and replacements.


Go for a design that gives you the freedom to work on any type of lawn. From the large lawns with open spaces, to the small lawns with hard to reach corners.

Power Output and Longevity

 Lithium Ion batteries last longer with each run and requires fewer charges, therefore they offer maximum performance. On the other hand, the Nickel Cadmium batteries require frequent recharges and have a small battery life, compromising on the performance


Battery Voltage

Cutting Swath

Where to buy

GreenWorks 21362



Worx 32Volt GT2.0



Earthwise 12-Inch 18-Volt



Black+Decker LCC420



CORE GasLess Power CGT400



1. GreenWorks 21362

If you are looking for the versatile garden maintenance system, GreenWorks 21362 is one of the best battery powered weed eaters. It comes with an excellent DigiPro brushless motor that makes it perform like gas-powered trimmers without the loud noise and emissions.

With Greenworks, you can choose between 2AH and 4AH highly dependable 40 V Li-Ion batteries which when fully charged, it can power the unit for up to an hour. Charging the battery when it’s drained takes approximately 2- 5 hours. The battery makes an economical purchase because it is compatible with other GreenWorks G-Max tools

Other notable features on this product are its 14 inch cutting diameter and a .080 bump feed for easy line advancement and cutting. This simply means that you are able to do more with a single pass and therefore it drastically reduces your trimming time.

To start this trimmer, you just need to push a button and the unit is ready to work!


  • Attachment capable, accepts most gas attachments to provide multiple use
  • Starts within seconds with gas comparable performance, battery compatible with multiple tools
  • Detachable top mount motor head allows for versatility.
  • Can work with a variety of products from other manufacturers.


  • Bump feed line system instead of the newer automatic constant feed one.
  • Charging time doesn’t work for most professionals.

GreenWorks 21362 is an excellent battery powered option when working in an area with no power supply.

2. Worx 32Volt GT2.0 String Trimmer

Worx 32Volt is an excellent multipurpose best battery powered weed eater that should be treated as an investment by anyone who loves gardening.  Apart from being a trimmer, it also functions as an in-line edger and mini-mower.  You can convert from one function to another in a snap without using any tool.

If you have a large garden, you don’t need to worry about the time you will need to finish your work. This is because this product comes with a 12-inch cutting diameter which allows you to trim a large area within a short period. The string trimmer is lightweight so it’s not exhausting even if you hold it for a long time.

Another feature you cannot ignore is the quick release lever that enables you to adjust the height in an instant by increasing and decreasing the length of the shaft.


  • 12-inch cutting diameter with automatic 100% single line feed (no bump)
  • Can convert into an in-line edger or mini mower within seconds with no tools.
  • Has a quick-release lever for fast telescopic height adjustments, and for the 90-degree tilting head
  • Comes with one 32V MaxLithium battery, 3 trimmer spools and charger


  • Comes with cheap string

3. Earthwise 12-Inch 18-Volt Cordless Electric String Trimmer

When faced with some seriously tall and tough weed, this Earthwise 12 inch, 18V cordless battery powered weed eater comes in handy. It has a very powerful and efficient 4 stroke OHV engine whose performance is very reliable.

With an off-set trimmer head feature, the user is able to trim in difficult to reach areas and the 14 inch ball bearing wheels can tackle tough ground.

For storage and transport convenience, the lawn mower comes with a folding handle.


  • Sufficient power output for a Ni-Cad powered string trimmer.
  • Multiple head positions that allows for a greater degree of selection for the cutting angle.
  • Extremely cheap.


  • Nickel Cadmium batteries are weak and less durable.

4. Black+Decker LCC420

This is a string trimmer that you will fall in love with. It’s compact body and light weight design was built with the gardener’s needs in mind. It’s also a two in one function product as it is a trimmer as well as an edger and that makes it rank among the best battery powered weed eaters in the market.

With a gear drive transmission, it delivers maximum trimming performance even in demanding applications. This type of transmission is hard to compete with because it protects the internal components from wear and tear.

Running on a 20-Volt Max Lithium Ion Battery, you don’t have to worry about the trimmer suddenly stopping in the middle of a job because the battery has drained. The Lithium Ion batteries are better and hold charge longer and are more durable. With a runtime extension technology, it adds up to one hour on the runtime of the string timer. This ensures that you are able to complete your task with a single charge of the unit’s battery.


  • String Trimmer features a transmission that delivers more cutting power
  • 20-Volt MAX Lithium Ion battery has a longer lifespan and retains its charge 5X more than NiCad.
  • The Automatic Feed Spool ensures continuous work without bumping and having to stop to adjust.
  • The trimmer easily converts to edger to cut along sidewalks and driveways
  • Sweeper is light and powerful and easily clears debris from hard surfaces


  • None

In sum, Black+Decker LCC420 String Trimmer has all what it takes to be the best battery powered weed eater within the category. Its battery holds charge for an exceptional amount of time with an excellent gear drive transmission.

5. CORE GasLess Power CGT400

This string trimmer has a Revolutionary CORE™ Wireless Motor Technology which is an intelligent technology to replace gas. A prismatic high-energy power cell operates in line with circuitry to enable this weed trimmer to work for a longer time compared to others.

It also comes with high performance and light operating modes for conserving battery life. The Core CGT400’s high energy power rechargeable battery lasts an average of 70 minutes which is at par with the standard string trimmer utilizing a gas tank. It includes a 3 hour charger.

Its torque output is a constant  high of 5000RPM regardless of the head speed, with no vibration resulting to less fatigue and more comfort.


  • Efficient, longer lasting battery.
  • Solid performance in the field.


  • Longer recharge time.


Bearing in mind that the best battery powered weed eater is the one that matches your specific requirements, having a clear mind of what you need,can save you a lot of headache in the future.

From analyzing and reviewing the performance of the various battery powered weed eaters, I would conclude the Black+Decker LCC420 as the favorite for most users. Its battery efficiency, automatic feed system and fast charging system, it rivals no other.

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