Tired of wrestling with a gas can or being tethered by a power cord? The world of lawn care has been revolutionized by battery-operated weed wackers, offering unparalleled freedom and convenience. These modern tools deliver impressive power without the fumes, noise, and maintenance of their gas-powered counterparts. Whether you’re tidying up a small urban garden or maintaining a larger property, there’s a cordless trimmer designed to meet your needs.
Choosing the right model can be overwhelming with so many options available. This roundup simplifies your search by highlighting the best battery-powered string trimmers for 2025. We’ve evaluated key factors like battery life, cutting power, ease of use, and special features to help you find the perfect tool for a pristine lawn with minimal effort.
The Best Cordless String Trimmers for a Perfect Lawn
- Worx String Trimmer Cordless GT3.0 20V PowerShare
- EGO Power+ String Trimmer, Battery Powered, 15″ with POWERLOAD
- Greenworks 40V Lawn Care Combo Kit, Trimmer & Blower
- BLACK+DECKER 20V MAX Cordless String Trimmer, 12 Inch
- Makita XRU23Z 18V LXT Brushless Cordless 13″ String Trimmer
- Greenworks 24V 12-Inch Cordless String Trimmer
- DEWALT 20V MAX String Trimmer (DCST920B)
- BLACK+DECKER 20V MAX String Trimmer (LST522)
Worx String Trimmer Cordless GT3.0 20V PowerShare
This Worx trimmer stands out with its impressive versatility. It functions as both a string trimmer and an edger, converting between the two modes in seconds. This dual functionality means you only need one tool to achieve crisp, clean lines along your lawn’s borders and walkways.
The innovative Command Feed system provides instant line feeding at the push of a button, eliminating frustrating bumps and pauses. For added convenience, the head tilts a full 90 degrees, allowing you to easily tackle sloped terrain and other hard-to-reach areas without straining your back.
EGO Power+ String Trimmer, Battery Powered, 15″ with POWERLOAD
The EGO Power+ ST1511T is a premium option known for its power and user-friendly design. Its standout feature is the patented POWERLOAD technology, which makes reloading trimmer line a simple, one-button operation. This system removes the common hassle of manually winding the spool.
With a robust 56V battery, this trimmer delivers performance that can rival gas models, offering up to 45 minutes of runtime on a single charge. The telescopic aluminum shaft is adjustable, providing a comfortable and custom fit for users of different heights, which helps reduce fatigue during longer yard work sessions.
Greenworks 40V Lawn Care Combo Kit, Trimmer & Blower
For those looking to tackle multiple lawn care tasks, the Greenworks 40V Combo Kit offers exceptional value. This package includes a commercial-grade 12-inch string trimmer and a powerful 110 MPH blower, both powered by the same 40V battery ecosystem. It’s a complete solution for yard cleanup.
The trimmer is built to handle tough jobs, slicing through thick weeds with its .065-inch auto-feed line. The included blower provides hurricane-force airspeed to clear wet leaves and debris from driveways and gutters. With a 3-year warranty on the trimmer head, this kit is built for long-term reliability.
BLACK+DECKER 20V MAX Cordless String Trimmer, 12 Inch
The BLACK+DECKER LST300 is a fantastic choice for homeowners seeking a straightforward and effective trimming solution. It features the innovative Automatic Feed Spool (AFS) system, which advances the line automatically when needed, so you never have to stop and bump the head to get more line.
Its POWERDRIVE transmission is engineered to deliver increased power from the motor directly to the cutting string, making it more efficient at cutting through dense grass and weeds. This model is an excellent entry-point into the 20V MAX system, offering a good balance of performance and ease of use for typical suburban lawns.
Makita XRU23Z 18V LXT Brushless Cordless 13″ String Trimmer
Professionals and serious DIYers will appreciate the Makita XRU23Z, which is built around a highly efficient brushless motor. This motor is designed to deliver high performance with a longer lifespan and increased runtime, reaching up to 6,000 RPM for effective cutting.
As a tool-only product, it’s perfect for those already invested in the Makita 18V LXT platform. You can use your existing batteries, making it a very cost-effective addition to your tool collection. It offers the quiet, emission-free operation of a battery tool with the power and durability Makita is known for.
Greenworks 24V 12-Inch Cordless String Trimmer
This Greenworks 24V trimmer is an ideal solution for smaller yards and light-duty trimming tasks. Its compact and lightweight design makes it easy to maneuver around flower beds, trees, and tight corners without causing user fatigue. It provides a great balance of power and portability.
Operating on a 24V battery system, it offers a reliable cordless experience free from the restrictions of a power cord. This model is a solid, no-fuss option for weekly lawn maintenance, ensuring your grass edges always look neat and well-kept with minimal effort.
DEWALT 20V MAX String Trimmer (DCST920B)
The DEWALT DCST920B is built to withstand demanding use, featuring a robust construction that professionals and homeowners trust. It is part of the extensive 20V MAX system, allowing you to share batteries with a wide range of other DEWALT tools, which adds tremendous value and convenience.
This trimmer is designed for power and endurance, capable of handling overgrown grass and tough weeds. Its ergonomic design helps reduce vibration and user fatigue, making longer trimming sessions more comfortable. It’s a tool that focuses on performance and integration within a larger tool ecosystem.
BLACK+DECKER 20V MAX String Trimmer (LST522)
The BLACK+DECKER LST522 is another strong contender in the 20V MAX lineup, offering enhanced features for efficient lawn care. It is designed to make yard work simpler with user-centric innovations that streamline the trimming process.
This model is known for its easy line advance system and a powerful motor that provides consistent cutting performance. Its lightweight design ensures it is easy to handle and store, making it a practical choice for regular lawn maintenance that keeps your property looking its best.
Buying Guide: How to Choose the Best Battery Operated Weed Wacker
I’ve used my fair share of string trimmers, and making the switch to a battery-powered model was a game-changer for me. No more wrestling with a pull cord or dealing with the smell and noise of gas. But with so many options on the market, how do you pick the right one for your yard? I put together this buying guide to walk you through the key things I consider before making a purchase.
First, think about your battery ecosystem. If you already own other cordless tools from a brand like DeWalt, Makita, or Ryobi, it makes a ton of sense to stick with that same brand for your weed wacker. The batteries are interchangeable, which saves you a significant amount of money and reduces clutter. You won’t need to buy a new charger or a separate battery, making the whole system more convenient and cost-effective.
Next, pay close attention to the battery’s voltage and Amp-hour (Ah) rating. Voltage, like 18V, 20V, or 40V, generally relates to power. For small lawns with just grass, an 18V or 20V model might be plenty. For larger properties or tougher weeds, I’d look at a 40V or even 80V model for that extra muscle. The Amp-hour (Ah) rating tells you about runtime. A 2.0Ah battery will run out faster than a 5.0Ah battery. For most average-sized yards, a 4.0Ah or 5.0Ah battery is a good sweet spot to get the job done on a single charge.
The cutting system is another big one. Most of these tools use a monofilament line, but how you advance that line matters. Bump-feed heads are common and work well—you just tap the head on the ground to release more line. Auto-feed heads advance the line automatically at the push of a button, which is convenient but can sometimes use more line. For the toughest jobs, some models offer a “power load” head or the ability to use metal blades for thick brush, which is a feature I really appreciate for my property’s edges.
Finally, don’t overlook comfort and usability. A tool-free adjustable shaft is fantastic for getting the perfect height for your stance. A well-balanced design makes a huge difference in reducing arm fatigue. If you have a lot of trimming around flower beds and trees, look for a model that can easily convert to an edger. Weight is also a factor; while battery wackers are lighter than gas, some high-power models can still be a bit heavy after a while. Considering these factors will help you find the perfect match for your needs, and our 8 best battery operated weed wacker reviews for 2025 list highlights models that excel in these areas.
FAQ
How long does the battery last on a single charge?
This is probably the most common question I get, and the answer really depends on the battery’s capacity and the power setting you use. A smaller 2.0Ah battery on a 20V tool might give you 15-20 minutes of runtime, which is fine for a tiny lawn. A larger 5.0Ah battery on a 40V model can often last 45 minutes to an hour, which is enough for most suburban yards. Using a higher power setting will drain the battery faster, so for light grass, I always start on a lower setting to conserve power.
Are battery-powered weed wackers as powerful as gas models?
For most residential tasks, yes, absolutely. Modern battery technology has come a long way. The higher-voltage models (40V and above) have plenty of power to cut through thick grass and even light brush. They might not have the raw, sustained power of a commercial-grade gas trimmer for all-day use on a huge property, but for the average homeowner, the power is more than sufficient. The convenience of no gas, oil, or pull cords more than makes up for any slight power difference in my opinion.
Can I use the same battery for other tools from the same brand?
In almost all cases, yes, and this is one of the biggest advantages! Brands design their “tool platform” so that the same battery pack fits into all their cordless tools. So, if you buy a weed wacker that uses a 20V MAX battery from a specific brand, that same battery will work in their drills, leaf blowers, and chainsaws. This interoperability saves you a lot of money and is a key factor to consider when building your collection of yard tools.
What is the difference between a trimmer and an edger?
This is a great question because many people use the terms interchangeably. A string trimmer (or weed wacker) is designed to cut grass and weeds in places your lawn mower can’t reach, like along fences, walls, and around trees. An edger is specifically made to create a clean, vertical cut along the edge of a sidewalk or driveway to define the border of your lawn. Many battery-operated string trimmers have a feature that allows you to pivot the head to function as an edger, which gives you two tools in one.
How do I replace the cutting line?
It’s generally a simple process, but it varies by model. The most common method is a “bump feed” head, where you gently tap the spinning head on a hard surface to release more line. When you need to fully replace the spool, most modern heads are designed to be “tool-free,” meaning you can open them up by hand, remove the old line, wind new line onto the spool following the directional arrows, thread the ends through the eyelets, and snap it back together. It seems tricky the first time, but you get the hang of it quickly. Our research for the 8 best battery operated weed wacker reviews for 2025 paid close attention to which models have the easiest line-reload systems.