Joshua Bateman
There are many different weed eater models available on the market. Some are electric while others run on gas-powered engines which provide more power for heavy-duty jobs. Of course, some of the most efficient and effective weed eaters are those that are powered by batteries. For those who have a large yard, or for those who like to keep their lawn neat and tidy without worrying about another gas-powered engine, it’s important to invest in a high quality battery-powered weed eater.
Ready to invest in one of these efficient tools so you can power through your toughest lawn care chores with ease? Here’s how to find the best one for your needs.
Did you know? The 5-Ah battery that comes with the DEWALT 20V MAX weed eater lasts long enough to trim over 2 acres on a single charge. We know this because we tested it!
Benefits of a Battery Powered Weed Eater
Battery-powered weed eaters (also called string trimmers or weed wackers) tend to be much quieter than their gas-powered counterparts. They are also slightly quieter than electric ones. That is a serious benefit for people tending to their lawns in crowded suburban areas – you won’t anger your neighbors with your early morning weedeating!
Since these machines lack combustible engines, that also means less maintenance. Though batteries can be somewhat expensive and they are considered wearable parts, you can often buy other tools from the same company that require the same battery – so you will only need to buy a limited number of batteries to help you save money.
Another benefit of using a battery-powered weed eater, especially compared to an electric one, is that these can often reach where other models cannot. Since there’s no cord to worry about, you can really go the distance!
What To Look For in a Battery Powered Weed Eaters
We’ll give you some recommendations on the best battery-powered weed eaters below, but this list is far from exhaustive. So how do you know what to look for? When you’re shopping, consider these features in your search.
Price
The bad news: these machines tend to be slightly more expensive upfront (due to the cost of most high quality batteries) than their counterparts. Of course, you’ll pay less in the long run, since you won’t have to worry about paying for gas, oil, or expensive maintenance and repairs.
Still, you’ll want to consider your budget as you shop. Bare tools (those without batteries) tend to be less expensive, while all-inclusive kits are more expensive yet still less pricey than piecemealing all required parts together from separate purchases.
If you really want a good deal, consider buying a weed eater that will be compatible with other tools – that way, you can swap out batteries and potentially even parts to help you save money (and garage space!) in the long term.
Brushless Motor
This is a bonus feature that many battery-powered weed eaters have – and it’s definitely one worth noting. A brushless motor will give your machine a longer run time, more power, and a longer lifespan (with less maintenance) than a brushed motor. For anyone with experience using power tools, such as drills, you know how big of a performance improvement brushless motors have.
Line Diameter
If you only plan on trimming a small section of lawn, a smaller line, like a 0.080-inch line, will suit you just fine. However, for tougher areas that need to be trimmed (or for buyers who plan on using their weed eaters for professional use), you’ll want to choose a weed eater that has a 0.096-inch line capacity. This extra thickness will power through tougher weeds and grasses with ease.
Cutting Swath
Look for a battery-powered weed eater that has around 13 to 17 inches of cutting swath – the bigger the task you need to tackle, the wider that swath should be.
Vibration Control & Ergonomics
How comfortable will your weed eater be to use? The good news is that battery-powered machines tend to be far more comfortable to use than gas-powered ones. However, comfort still comes into play here. Look for a machine that offers vibration control so that it’s more comfortable to use as you work around your yard.
Runtime
This is a key consideration to make when you are shopping for a battery-powered weed eater. Some string trimmers can only be operated for around twenty minutes before the battery needs to be recharged – a process that can easily take an hour and a half or more. That can be a serious pain! Look for those with longer runtimes, especially if you have a larger lawn that requires more hands-on time.
7 Best Battery Powered Weed Eaters
1. Greenworks 2101602 12-Inch 40V Cordless String Trimmer
- Power source type: Battery-Powered
- 12 in. cut path with 0.065 dual line auto feed head
- Variable speed trigger for power when you need it
Greenworks is known for offering all kinds of eco-friendly, battery-powered lawn care equipment. This cordless string trimmer holds up to the company’s excellent reputation.
The tool has been designed with you in mind. With a 12-inch cutting path, variable speed trigger for power when needed, ergonomic design and adjustable auxiliary handle to provide superior balance; these tools are not only impressive but comfortable as well.
The battery pack is compatible with all Greenworks products. It has a dual-line auto-feed head and comes with a 2Ah battery and charger along with a four-year tool warranty (plus a two-year battery warranty, too).
What We Liked:
- Battery is compatible with all other Greenworks tools
- Has a variable speed trigger for extra power
- Comfortable to use
What We Didn’t Like:
- Not the best customer support
2. DEWALT 20V MAX String Trimmer
- Patented gear drive design of the edger/trimmer powers through tough overgrowth
- The cordless grass trimmer provides 13-inch cutting swath with 0.080-inch line
- Lightweight and ergonomic design of the lawn trimmer maximizes control and minimizes stress on your arms
Another well-known brand in the lawn care world is DEWALT. This battery-powered string trimmer should be included at the top of the list for products to consider when you’re shopping for a battery-powered weed eater. And even better, the battery can be used for more great battery powered yard tools including a chainsaw and hedge trimmer.
The brushless motor, the technology that this trimmer is known for, is the most efficient and durable when it comes to electric motor design. The Dual 0.080″ line has a bump feed with a 13-inch cutting swath that can be controlled by variable trigger speed. This is made possible by patented gear drives designed specifically for this purpose in order to maximize the efficiency and durability of these brushless motors.
This product includes a lithium-ion battery and its own charger with every purchase. It is a low-maintenance weed eater since it has no spark plugs, air filters, or carburetors to worry about. Power through dense overgrowth – and save your back! – by using the DEWALT 20V MAX String Trimmer on your toughest tasks.
What We Liked:
- Has a variable trigger with speed control
- Incredibly efficient, lightweight, and compact
- Easy start with the simple pull of a trigger
What We Didn’t Like:
- At 8.5 lbs, heavier than many other battery-powered weed eaters
3. Earthwise LST02010 20-Volt 10-Inch Cordless String Trimmer
- Powerful 20-volt trimmer with 2.0Ah lithium-ion battery and fast charger included in the package; Durable and reliable motor with...
- Trimmer edger with 10" cutting width with auto-feed; Spool and 0.065" nylon line included; Flip-down edge guard for a more...
- Eco trimmer with an adjustable handle and telescopic pole so you can adjust the shaft based on your preference and comfort
The Earthwise LST02010 is a great product to consider when you’re looking for effortless weed eating. This product is cordless and easy to use – and it’s incredibly lightweight, too. Because it is battery-powered, it requires far less maintenance than your typical gas-powered machine
It comes with a 20-volt battery that is compatible with other Earthwise products, plus it is backed by a generous two-year manufacturer’s warranty.
If you are looking for a reliable and powerful trimmer, this is the one. The 20-volt battery can last up to 75 minutes of continuous use on a single charge.
For your convenience kit comes with an automatic feed that feeds line out as needed while trimming or edging around obstacles – no need to stop periodically so you don’t run out!
This device has 10-inch cutting width which allows more ground coverage in less time – all without having to worry about bumping into plants, because this battery-powered weed eater is equipped with a flip-down edge guard!
What We Liked:
- Comes with spool and nylon line
- Has an edge guard
- Adjustable handle and telescopic pole make it comfortable to use
What We Didn’t Like:
- Not the longest battery life
4. WORX WG163 GT 3.0 20V PowerShare 12″ Cordless String Trimmer & Edger
- [TRIMMER & EDGER 2-in-1] Easily converts from a string trimmer to a wheel edger in just seconds
- [INSTANT LINE FEED] Innovative push button Command Feed spool system for instant line feeding. Plus, Free Spools for Life
- [DO IT ALL WITH THE SAME BATTERY] Worx Power Share is compatible with all Worx 20v and 40v tools, outdoor power and lifestyle...
WORX is a company that is known for selling all kinds of battery-powered lawn gear, from leaf blowers and mowers to everything in between. This product is definitely one to put at the top of your shopping list!
The WORX 20V Power Share Lithium 2-Tool Combo Kit is a must-have for all lawn care enthusiasts. With the innovative, push-button command feed spool system and “Free Spools of Line For Life” included in the box, it’s never been easier to get work done efficiently on your property.
You can get all of your weed eating done without having wires hanging around or being inconvenienced by an extension cord. The kit also includes two lithium-ion batteries that can be used with any other tools from the Worx family – no need to purchase additional expensive battery packs!
What We Liked:
- 2 tools in 1 (edger and trimmer)
- Weighs less than six lbs
- Has a 12-inch cutting diameter and spacer guard
What We Didn’t Like:
- Many customers complain about the quality of the spools
5. Black + Decker LST300 20-Volt MAX Lithium String Trimmer & Edger
- 2-in-1 cordless trimmer and edger cuts along borders, sidewalks and flower beds and easily converts between trimmer and wheeled...
- EASY HANDLING: Lightweight and easy to handle with adjustable height handles
- MORE LINE, MORE CONTROL: Automatically feeds more line with no bumping necessary thanks to automatic spool feed technology
Black + Decker is known for its phenomenal lawn care products – and this string trimmer and edger is no exception.
It offers excellent power with minimal noise, making it the perfect choice for the suburban homeowner who wants to tend to the flower beds without having to worry about waking up the neighbors. With one battery, you’ll get endless uses, since these batteries are compatible with all Black + Decker tools and can be switched out between tasks. Just one of these batteries offers 33% more run time with the company’s patented Runtime Extension Technology.
The weed eater has an automatic feed spool so you won’t have to stop and bump the head for more lines. It also has a pivoting handle and adjustable length and height for more comfort. The cordless trimmer and edger is the perfect tool for any job, be it trimming or edging. It can even convert from a trimmer to an edger with just one simple push of a button!
What We Liked:
- 2-in-1 product
- Respools automatically
- Longer run time on the battery
What We Didn’t Like:
- Battery only lasts about 15-20 minutes before needing a charge
6. Ryobi 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer
- Attachment capable: accepts RYOBI expand-it attachments and other universal gas attachments to save time, money and space
- 40-Volt lithium-ion high capacity battery and 90-minutes charger included
- 13 in. to 15 in. adjustable cutting width for longer run time or wider cutting path
This battery-powered weed eater by Ryobi will revolutionize the way you take care of your lawn.
The string trimmer is perfect for trimming around hard edges like sidewalks or planting beds with its compact 13 in. cutting width and bump feed head – making for fast and easy reloading! With 40 volts of power, this machine will last hours at full capacity without running out of battery life. All the while, it is still lightweight enough to maneuver easily – even when fully extended and when using either one or two hands.
It has an adjustable cutting width that will allow you to broaden your swath to 15 inches. It is also compatible with other universal Ryobi attachments to help you save money – and space in your garage.
What We Liked:
- Has a bump-feed string head for quick reloading
- High-capacity battery
- Comes with a charger that gets you back up and running in 90 minutes
What We Didn’t Like:
- Not the best for left-handed users
7. DEWALT Flexvolt 60V MAX String Trimmer
- Gear drive design of the edger/trimmer powers through tough overgrowth
- High-efficiency brushless motor of the cordless grass trimmer maximizes run time and motor life
- Lawn trimmer provides 15-inch cutting swath with 0.080-inch line (also accepts 0.095 inch)
Last but not least on our list of the best battery-powered weed eaters is yet another string trimmer by DEWALT.
The powerful brushless motor and 15-inch cutting swath make this weed whacker the perfect machine for tough terrain. The variable speed trigger with two speeds allows you to maximize your time because it, fortunately, accepts both 0.080-inch line as well as 0.095-inch line.
And don’t worry about durability or ease of use- its lightweight ergonomic design means that comfort is not compromised during even heavy-duty usage!
What We Liked:
- Simple to use hi/lo speed control for added power or longer run time
- Broad cutting swath
- Efficient brushless motor
What We Didn’t Like:
- Ineffective debris guard
Until now, most homeowners have only used gas-powered weed eaters. They are loud and polluting and require a lot of maintenance. The battery weed eater is revolutionizing the way people get rid of weeds in their yards. It’s quiet, doesn’t emit fumes, and has no cords to worry about getting tangled up in.
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