Last Updated on August 18, 2021
Gardening is a never ending job, and in addition to mowing your lawns regularly, you’ll also have to keep the weeds in check.
Rather than pulling them out by hand, and pulling out your hair in the process, the weed eater has been invented to make the task easy and satisfying.
There are plenty of names for the modern weed eater including a weed whacker and string trimmer, and on the surface they all do the same thing.
However, if you like your gardening tools to be battery operated, you’ll be looking for one that can rid your lawn of weeds without relying on gas or electricity.
What are the best battery powered weed eater options on the market?
A good battery powered weed eater should have an efficient battery with long life, comfortable weight distribution, ergonomic design, and a powerful line speed to make short work of the weeds. To find one that ticks all of these boxes and suits your gardening and budgetary needs can be hard to do, though.
For that reason, we’ve done the research for you, and helped to handpick some choices for the best cordless weed eaters on the market.
We have weed eaters in all shapes and sizes, as well as being affordable for the average gardener, so you’ll have a great selection to choose from and get your garden in order.
Weeds are stubborn things, and you can’t rely on any old device to get rid of them.
We’ve rounded up the best battery operated weed eater options around to give you the only list you need to choose from. These represent the best of the best in battery efficiency, power, speed, and comfort, to help make light work of the pesky weeds in your garden.
Table of Contents
- Best Battery Powered Weed Eater – Reviews & Buying guide for 2021
- FAQs of Battery Powered Weed Eater
- Whacking Weeds With Ease
Best Battery Powered Weed Eater – Reviews & Buying guide for 2021
Best Overall: Black and Decker 20V Trimmer and Sweeper
- Power: 20V
- Battery: 1.5Ah
- Weight: 4.5lbs
To get your garden in order with two life saving tools, the Black and Decker 20V Trimmer and Sweeper is the way to go.
This our choice for the best battery weed eater and from a trusted name in home and garden tools. With a 20V rechargeable lithium-ion battery and a spare battery to keep on charge, you’ll have no limit to how long you can eat weeds.
The best thing about these weed eater is the comfort of use, and that’s thanks in part to its lightweight 4.5lbs construction.
If you’ve ever used a bulky gas powered weed eater before you’ll know how quickly your arms can get sore, and that’s not the case with this one. Because you can swap out batteries as well, you’re not limited to just 20 minutes of yard work with the Black and Decker.
On the negative side of things, it’s not the largest weed wacker, so don’t expect it to cover as much ground as others. Although it does a good job of stripping the weeds, you might have to spend more time to get it done, because it’s only 10 inches in diameter compared to others that have an extra couple of inches.
The Black and Decker 20V Trimmer and Sweeper kit includes two 20V batteries and a 3.7lbs sweeper that helps to blow the weeds away when you’re done. Both promise low noise levels and easy operation, with a battery that can be recharged time and time again to deliver around 45 minutes of use.
The string trimmer comes with an automatic feed spool so it’s easy for beginners to set up and use, and thanks to the battery power, it has very little ongoing maintenance.
This is the best rated battery powered weed eater for those who like their gardening simple, but it still delivers enough torque to get the job done.
Black and Decker offers a two year limited warranty and Amazon will ship the product for free to your door, as well as handle any returns for free should you need to. For speed and efficiency in a compact package. The Black and Decker Trimmer is our favorite find.
- Power: 20V
- Battery: 2.0Ah
- Weight: 6lbs
The Worx PowerShare Trimmer and Edger is the best lithium battery powered weed eater if you want to do two jobs in one.
With an easy conversion from a string trimmer into a wheel edger, you can tackle the entire garden at once, and with the two included 20V lithium batteries included you’ll have loads of time to do it.
This is the best lithium battery powered weed eater for large spaces and has enough staying power to never run flat.
According to customers, they loved the size and power of this trimmer, with a massive 12-inch cutting space it meant less time spent on the hard work. The average size lawn can be tackled in mere minutes and there’ll be lots of battery power left behind, should you have a larger space to take care of.
On the downside, the edger wasn’t the best quality and seemed to be more of an afterthought rather than the main star. It took a lot of work to get the lines cleaned and was a lot harder to use than the weed eater.
The trimmer is where this product delivers, so as long as you’re not buying it for the edger alone, you won’t be disappointed.
Worx has created this trimmer as part of their PowerShare range, which means you can mix and match the batteries with the rest of the range. The trimmer comes with a spacer guard so you can trim weeds right up against anything without damaging other plants or lawn ornaments as you go.
To work your way through the garden, you can rely on the 90-degree head tilt that allows you to cut evenly on sloped terrain and places that are usually hard to reach.
This trimmer from Worx features an instant line feeder that operates with the push of a button and makes it a good choice for people who are brand-new to using a weed eater in the garden.
If you want a large and in charge battery operated weed eater to make light work of the problem areas in your garden, the Worx PowerShare Trimmer and Edger is a good choice. It comes with Amazon’s promise of free shipping and free delivery, it’s pretty great value for money.
This complete set is ideal for larger gardens that prefer to rely on battery power, and it comes with the quality and durability that Worx is well known for.
Alternative: Greenworks 24V String Trimmer
- Power: 24V
- Battery: 2.0AH
- Weight: 8.82lbs
If you want a powerful trimmer capable of doing so much more, but still prefer the cordless kind, the Greenworks String Trimmer is the one for you.
With a massive 24V of power and a 2.0AH lithium-ion rechargeable battery, it’s a lot heftier than other battery powered tools on the market, and you can sense that as soon as you pick it up.
People could feel right away that this was no average weed eater, and everything from its bulky weight to the sizeable battery proved that you were getting your money’s worth. If you’re someone who prefers not to use a flimsy or lightweight gardening tool, you’ll love everything about the Greenworks model.
The biggest letdown of all was the fact that this trimmer didn’t come with an auto-feeding function for the line. This means a lot of frustration and hard work when you have to try to feed it through, and something that made many customers mad.
Considering most modern trimmers have this automatic function, this has lost some major points for the Greenworks Trimmer, and if you’ve never used one before, you might find yourself giving up.
Aside from this issue, there is still a lot worth talking about with the Greenworks. The powerful weed eater is capable of cutting a huge 12-inch patch with ease and uses a 0.65 single line with a replacement spool available should anything go wrong. You’ll get the battery and charger included, as well a wrap around handle connected to the unit for easy maneuvering.
This string trimmer comes with one included battery and it can be used with the rest of the Greenworks 24V range. Although it’s a little more costly at first, this ends up paying for itself if you have a few tools to buy, and the brand is considered one of the best.
To start it up, simply press a button, and it powers up instantly ready to go. For those who like to garden edging as well, the Greenworks trimmer can be turned on its side to perform a controlled cut thanks to the built-in wheel that’s been added on.
If you want something hefty and powerful to eat your weeds, investing in the Greenworks 24V String Trimmer is a smart choice. This weed eater doesn’t play around, and if you can handle the extra torque, it’ll make light work of the weeds in your yard.
Best Budget Battery Powered Weed Eater: PowerSmart 20V String Trimmer
- Power: 20V
- Battery: 1.5Ah
- Weight: 7lbs
Taking care of your garden can be expensive, and when you add up all of the essential tools you need to keep it in order, it’s overwhelming.
If you’re looking for a budget friendly battery operated weed eater to get the job done, our favorite choice is the PowerSmart String Trimmer. Although cheap, it’s still powerful and comes with a whopping 20V of power and a 1.5Ah lithium-ion battery included.
Aside from the low cost, customers were most thrilled to find that this is a lightweight weed eater, and one of the easiest to maneuver thanks to its small 7lbs size.
Even if you have tricky terrain, sloped areas, or hard to reach places, it can fit right in with ease and take care of the weeds in seconds, without any straining or stretching from you.
However, it’s not the biggest weed eater either and has a cutting radius of just 10 inches. If your home has a lot of lawn to mow and you need to tackle a large space with your trimmer, you’ll need to upgrade to something else.
This can add some serious time to the job, even if it does make the process easier because it’s light and easy to use.
The PowerSmart String Trimmer has a 1.5Ah lithium-ion battery included, and the total charge time is just one hour. If you have a big day of gardening planned, that’s great news, and you should get around 30 minutes of run time from a single charge to start with.
Also included is an edging tool with a rubberized wheel to keep things sharp, giving you even more value for money.
The automatic feed spool allows you to have a low maintenance experience, and it means you never have to try and do this daunting job yourself. The line diameter is 0.065 and can be easily replaced, with a speed of around 8200RPM which makes it pretty impressive for something of its size.
If you don’t want to spend a fortune investing in a weed eater you’ll only use now and then, something compact and budget friendly like the PowerSmart is your best choice. You won’t find anything cheaper at this level.
PowerSmart offers a huge two year limited warranty on their tools and access to a dedicated customer service staff should you have any issues. This trimmer proves you don’t have to spend big to get a lot, and it’s a battery powered weed eater you can feel proud to own.
Best 3 in 1 Battery Powered Weed Eater: Black and Decker 3 in 1 Mower Trimmer and Edger
- Power: 20V
- Battery: 2.0Ah
- Weight: 14.4lbs
For those who like to multi-task and prefer a gardening tool that can keep up with their pace, choosing a 3 in 1 model is ideal.
The Black and Decker 3 in 1 Lawn Mower, String Trimmer, and Edger is our favorite choice, and although you’re getting three tools in one, you’re only paying half the price. This battery powered dynamo can do it all and is ideal for people trying to save space with dimensions of 15.25 x 40.5 x 7.38 inches.
The best thing about this tool is the convenience, whether you want to utilize the mower or get the weed eater out. With such a small footprint it can be stored away with ease and because it’s battery operated you don’t have to worry about keeping oil and gas with it.
Although convenient, it’s not the best choice for every home, and only designed for small yards. Some customers found it far too small and instead just used the trimmer and edger for their home, having to spend more money investing in a larger mower.
Keep this in mind if your yard is over 1,000 square feet, as you’ll probably be faced with the same dilemma.
The Black and Decker 3 in 1 comes with everything you need to take care of your garden, as well as two 20V MAX lithium-ion rechargeable battery. This battery can be used with the rest of the PowerRange line, so if you have more of their tools, you’ll have plenty of spare charges.
The trimmer has a 12-inch radius to cut more space and features a gear drive transmission that helps it maintain a good speed. To put it back in the mower, you simply use the foot pedal, and you can switch between tasks in seconds, so you can stay on track with the yard work.
Black and Decker are no strangers to gardening tools, and if convenience is your goal, this is the way to go. This device comes with a two year limited warranty and the promise of buying a trusted brand, so if you’re looking to multitask when you’re out in the garden, this is the way to do it.
FAQs of Battery Powered Weed Eater
Shopping for a new battery powered weed eater can be made easier with some background knowledge on how these tools work.
To help you out, we’ve answered a few questions that newcomers to this gardening tool have, and some further insight into how they operate.
How Do I Choose A Battery Powered Weed Eater?
Battery powered weed eaters are categorized by many specifications including their battery size, running time, speed, trimming area, weight, and safety features, so there’s a lot to choose from.
The best approach is to think about your lawn’s specific needs and find one that can meet those requirements.
Is 40v Better Than 20v?
40V refers to 40 volts, which is the size of the power capability of the weed eater, and so a 40V model will be more powerful than a 20V.
However, not everyone needs an appliance with this much power behind it, so a 20V might be ideal for smaller gardens and those with minimal lawncare requirements.
Should I Buy A Gas Or Battery Weed Eater?
The modern range of battery weed eaters has come a long way, and many can now stand up against the power and speed of a gas-operated one.
There are pros and cons on either side, so it depends on your personal preference, but gas options are usually considered more powerful with unlimited running time, whereas a battery weed eater is more energy efficient and easier to use.
How Long Does A Battery Powered Weed Eater Battery Last?
The length of running time you’ll get from a battery powered weed eater depends entirely on the power of its battery.
Most models come with rechargeable lithium-ion batteries with an average running time of 45 minutes for every 20V battery included. This time may differ depending on the speed it runs at and how thick the weeds are it’s cutting through.
How Do I Replace The Battery Of A Weed Eater?
Most weed eaters come with manuals or instructions from the manufacturer that demonstrate how to change the rechargeable battery when it needs replacing.
This is usually as easy as pulling out the old one and clicking in the new one into the battery holder, but it can depend on the model you own.
Whacking Weeds With Ease
The modern weed whacker or weed eater has certainly made life a lot easier for the average gardener, and with battery-powered options now on the market, it’s even better.
With our help and expert and the best battery powered weed eater reviews, you can get this convenience for yourself, and put an end to the usual headache and backache of pulling weeds by hand.
We’ve selected some of the top performers in all categories, and each one is driven by energy efficient batteries. This is a greener and more efficient way to keep your garden looking beautiful, and we guarantee that you’ll be amazed at just how powerful a battery powered weed eater can be.