A perfectly manicured lawn is the hallmark of a well-kept home, and a reliable battery grass trimmer is the secret weapon to achieve those crisp, clean edges. Ditching the cord and the fumes of gas models, modern cordless trimmers offer unparalleled freedom and power. They allow you to navigate your entire yard with ease, tackling everything from overgrown weeds to delicate trimming around flower beds.
With so many options on the market, from lightweight handheld shears to powerful brushless models, choosing the right one can be a challenge. This roundup simplifies your search by highlighting ten of the best battery-powered grass trimmers available. We have considered a range of needs, from small urban gardens to larger properties, to help you find the ideal tool for a neat lawn finish.
The Best Battery Grass Trimmers for Your Yard
- WORKPRO Cordless Grass Shear & Shrubbery Trimmer
- ALSO GO Cordless Weed Wacker, Electric Grass Trimmer
- Greenworks 40V 13-Inch Cordless String Trimmer / Edger
- DEWALT 20V MAX XR String Trimmer, 14-Inch, Tool Only
- EGO POWER+ String Trimmer, Battery Powered, 15″ trimmer
- BLACK+DECKER 20V MAX Cordless String Trimmer
- Makita XRU15PT1 36V LXT Brushless String Trimmer Kit
- RYOBI 40-Volt HP Brushless Cordless String Trimmer
- Milwaukee Electric M18 Fuel String Trimmer W/Quik-LOK
- WORX WG163 20V Power Share Cordless String Trimmer
WORKPRO Cordless Grass Shear & Shrubbery Trimmer

For precision trimming in tight spaces, the WORKPRO 2-in-1 tool is an excellent choice. It functions as both a grass shear and a shrubbery trimmer, making it perfect for detailed work around garden beds, fences, and pathways. Its incredibly lightweight design, at just 0.82 pounds, allows for easy one-handed operation, reducing fatigue and making it accessible for users of all strength levels, including those with smaller hands.
The upgraded power motor provides ample strength for routine pruning tasks, and the top-mounted safety button is a user-friendly feature that enhances control. This trimmer is an ideal gift for gardeners who appreciate a tool that is both effective and easy to handle for smaller, more delicate jobs.
ALSO GO Cordless Weed Wacker, Electric Grass Trimmer

The ALSO GO trimmer stands out with its innovative wheeled design, which significantly reduces user fatigue by allowing for a smooth, push-style motion. This 3-in-1 tool operates as a stringless trimmer, an edger, and a brush cutter, offering remarkable versatility for various lawn care tasks. Its powerful 21V brushless motor and high no-load speed ensure it can cut through thick grass and stubborn weeds with ease.
Included with two batteries, this model provides extended runtime for larger yards. The telescopic shaft and 90-degree rotatable cutting head make it simple to adjust for different user heights and to tackle complex terrain, from expansive lawns to narrow corners.
Greenworks 40V 13-Inch Cordless String Trimmer / Edger

For those already invested in or considering the Greenworks 40V ecosystem, this trimmer is a smart addition. It is part of a system where one battery can power over 75 different tools, offering great value and convenience. The 2-in-1 design allows it to quickly convert from a string trimmer to an edger with just the push of a button, streamlining your lawn maintenance workflow.
The 90-degree pivoting head is a key feature, enabling you to trim and edge at multiple angles without straining your wrists. This model is a solid, reliable choice for homeowners looking for a versatile and capable tool that integrates into a broader battery-powered tool system.
DEWALT 20V MAX XR String Trimmer, 14-Inch, Tool Only

Built with the durability and power that professionals and serious DIYers expect from the DEWALT brand, this 20V MAX XR trimmer is designed for demanding tasks. Its 14-inch cutting swath covers a wide area efficiently, reducing the time needed to trim your lawn. The tool is constructed to be robust and reliable, ensuring it can handle tough weeds and prolonged use.
A significant practical feature is the folding hinge, which allows the trimmer to collapse for easy transportation and compact storage. This is an ideal tool for users who need powerful performance and also value space-saving design in their garage or shed.
EGO POWER+ String Trimmer, Battery Powered, 15″ trimmer

EGO is renowned for its high-performance lawn equipment, and this string trimmer lives up to that reputation. It features the patented POWERLOAD technology, which simplifies the often-frustrating task of reloading trimmer line. With the push of a button, the line is wound automatically, getting you back to work in seconds.
The carbon fiber shaft is both lightweight and exceptionally durable, backed by a limited lifetime warranty. When paired with a compatible EGO 56V battery, this trimmer can deliver up to 30 minutes of robust runtime, making it a top-tier choice for maintaining medium to large-sized yards.
BLACK+DECKER 20V MAX Cordless String Trimmer

This BLACK+DECKER model is a fantastic value, as it comes complete with a battery and charger, so you can start using it right out of the box. It is equipped with the POWERDRIVE Transmission, which effectively transfers more power from the motor to the cutting string, allowing you to tackle tough jobs more quickly.
A major convenience feature is the Automatic Feed Spool (AFS), which advances the trimmer line as needed with no bumping required. This eliminates guesswork and interruptions, providing a smooth and continuous trimming experience. It’s a user-friendly and reliable option for everyday lawn care.
Makita XRU15PT1 36V LXT Brushless String Trimmer Kit

For users who demand professional-grade power and runtime, the Makita 36V trimmer is a formidable contender. It operates on two 18V LXT batteries, providing the muscle of a 36V system without the weight of a single large battery. The brushless motor is engineered for efficiency and longevity, delivering high power and increased torque.
Its Automatic Torque Drive Technology intelligently adjusts the speed between 3,500 and 6,500 RPM to optimize performance and battery life. With three selectable speed settings, you have full control over power management for different tasks, from light trimming to cutting through dense vegetation.
RYOBI 40-Volt HP Brushless Cordless String Trimmer

This RYOBI 40V HP brushless trimmer is designed for efficiency and power. The brushless motor technology ensures longer runtime, more power, and a longer tool life compared to brushed motors. Its 16-inch cutting path is well-suited for efficiently managing larger areas of grass and weeds.
As part of RYOBI’s extensive ONE+ system, this tool-only option is perfect for those who already own compatible batteries. The carbon fiber shaft is lightweight, reducing overall weight without sacrificing durability, making it easier to use for extended periods.
Milwaukee Electric M18 Fuel String Trimmer W/Quik-LOK

The Milwaukee M18 FUEL string trimmer is built for performance, featuring a POWERSTATE brushless motor that delivers more power than a 31cc gas engine. This makes it an excellent cordless alternative for those who need gas-like performance without the maintenance and noise. Its core strength lies in the QUIK-LOK attachment system.
This system allows the tool to be compatible with over a dozen different attachments, including edgers, brush cutters, and pole saws. This transforms the tool from a simple string trimmer into a versatile, multi-functional outdoor power equipment system, offering tremendous value.
WORX WG163 20V Power Share Cordless String Trimmer
The WORX WG163 is a capable and user-friendly trimmer that benefits from the Power Share platform, meaning its 20V battery is interchangeable with other WORX tools in the same line. This adds great flexibility and reduces the number of batteries and chargers you need to own. It is designed to be lightweight and well-balanced, which helps minimize arm and wrist fatigue during use.
This model is an effective solution for general trimming tasks around the yard. Its straightforward design and compatibility with a wide ecosystem of tools make it a practical and economical choice for the average homeowner.
Buying Guide: How to Choose Your Battery Grass Trimmer
When I started looking for a battery grass trimmer, I was overwhelmed by the options. It’s not just about picking the one with the prettiest colors; you need to think about what will actually work for your yard. After testing a bunch and talking to other homeowners, I’ve figured out the key things that make a real difference in getting that clean, professional-looking edge.
First, consider your lawn’s size. This is the biggest factor. If you have a small, city lot, a trimmer with a smaller battery, like a 2.0Ah, might be all you need. But if you’re dealing with an acre or more, you’ll want a tool with a much larger battery capacity—think 4.0Ah or higher—or a system that lets you swap in a fresh battery without stopping your work. Running out of power halfway through the job is a sure way to get a half-finished lawn.
Next, think about power and performance. Voltage is a good general indicator of power. Models around 18V to 20V are great for light grass and trimming, while 40V, 56V, or even 80V models handle thicker weeds and more demanding tasks with ease. I also look at the cutting swath—the width of the path the trimmer cuts. A wider swath means you cover more ground with each pass, which speeds up the work on larger areas.
Then there’s the design and comfort. You’re going to be holding this thing, so it needs to feel good. A balanced design that isn’t too heavy at the head is crucial. Look for features like an adjustable shaft so you can set the perfect height for your posture. A pivoting head that follows the contours of your landscape makes edging along flower beds and walkways a breeze. For me, a bump-feed automatic line advance is a must-have; it means I can tap the head on the ground to get more line without stopping and fiddling with it.
Finally, don’t forget about the battery ecosystem. If you already own other cordless tools from a brand like DeWalt, Ryobi, or Milwaukee, it often makes the most sense to stick with that brand. This way, you can share batteries and chargers between your tools, which saves money and reduces clutter in your garage. Picking the right one from the list of the 10 best battery grass trimmers for a neat lawn finish comes down to matching these features to your specific needs. It’s about finding the perfect partner to keep your lawn looking sharp all season long.
Frequently Asked Questions
How long does the battery typically last on a single charge?
This is the question I had, and the answer really varies. For a smaller yard, a trimmer with a standard 2.0Ah battery might run for about 20-30 minutes, which is often plenty. For larger properties, higher-capacity batteries (4.0Ah to 5.0Ah) can last 45 minutes to over an hour. The type of grass and how thick it is also plays a huge role. If you’re constantly cutting through dense overgrowth, the motor works harder and drains the battery faster. My advice is to buy a model that comes with, or is compatible with, a larger battery than you think you’ll need.
Can I use my battery grass trimmer for edging?
Many modern battery grass trimmers can double as edgers, which is a fantastic space-saver. Lots of models have a head that can be tilted or rotated 90 degrees, locking into a position that lets you create a clean vertical edge along your driveway or sidewalk. It’s a feature I use every single time I mow. When you’re looking at the 10 best battery grass trimmers for a neat lawn finish, check the product description to see if it specifically mentions an edging function—it’s a game-changer for a polished look.
What is the difference between a bump feed and an automatic feed head?
This is all about how the trimmer line is advanced when it wears down. A bump feed system requires you to gently tap the head of the trimmer on the ground while it’s spinning. This “bump” releases a fresh length of line. It gives you full control and is very common. An automatic feed head (sometimes called Auto-Feed) senses when the line is short and advances it for you without any tapping. While convenient, some systems can be wasteful with the line. I personally prefer the control of a bump feed, but automatic is great if you want to minimize interruptions.
Are battery-powered trimmers as powerful as gas-powered ones?
For the vast majority of residential lawns, yes, absolutely. The high-end battery models, especially those running on 40V or more, have more than enough power to handle common grasses and weeds. They start instantly with the pull of a trigger, are much quieter, and require virtually no maintenance—no oil, no spark plugs, no stale gas. The only time I’d still recommend gas is for someone who needs to clear massive, overgrown fields for hours on end. For a typical homeowner, a good battery trimmer is more than capable.
How do I know which replacement line to buy?
The easiest way is to check your trimmer’s user manual; it will specify the correct line diameter (like .065 or .080 inches) and shape (round, squared, twisted, etc.). Using the wrong size can cause jams and poor performance. I always keep a spare spool or two of the recommended line on hand. When you need to reload, make sure you wind it tightly and evenly onto the spool, following the directional arrows inside the head to avoid any feeding issues later on.