Tired of dragging extension cords across the yard or messing with gas and oil just to tidy up your lawn? You’re not alone—lawn trimmers cordless are quickly becoming the go-to choice for homeowners who want freedom, simplicity, and hassle-free yard care. With no cords to limit your movement and no gas to spill or mix, cordless trimmers make it easier than ever to keep your lawn looking sharp.

A cordless lawn trimmer is a battery-powered tool designed to trim grass and weeds in areas your mower can’t reach—around fences, flower beds, walkways, and trees. It offers the convenience of cordless mobility while still delivering enough power for everyday lawn maintenance.

But why are so many homeowners switching to lawn trimmers cordless instead of sticking with gas or corded models? The answer is simple: they’re lightweight, quiet, eco-friendly, and easy to start. No more pull cords or tangled wires—just charge the battery and go.

In this guide, we’ll walk you through everything you need to know before buying a cordless trimmer. From detailed product reviews and a helpful buyer’s guide to answers to the most frequently asked questions, you’ll have all the info you need to choose the best cordless trimmer for your yard.

 

What is a Cordless Lawn Trimmer & How Does It Work?

A cordless lawn trimmer is a battery-powered tool designed to trim grass and weeds in areas that are difficult for your mower to reach, such as around fences, flower beds, trees, and pathways. Unlike gas or corded models, lawn trimmers cordless don’t require fuel or an electric outlet. Instead, they run on rechargeable lithium-ion batteries, giving you complete freedom to move around your yard without being tethered or tangled.

Here’s how it works: the trimmer spins a nylon cutting line at high speed, slicing through overgrown grass and weeds with ease. Most cordless trimmers feature a simple push-button start, adjustable handles, and interchangeable batteries, making them user-friendly and convenient for both beginners and seasoned yard enthusiasts.

So, how do lawn trimmers cordless differ from gas or corded versions? Gas trimmers are powerful but noisy, heavy, and require regular maintenance like fuel mixing and spark plug replacements. Corded trimmers eliminate fuel but keep you tied to an outlet, limiting mobility. Cordless trimmers strike the perfect balance—they’re lightweight, quiet, eco-friendly, and need minimal maintenance beyond charging the battery.

Whether you’re tidying up the edges of your lawn, trimming along a fence line, or cutting grass around delicate flower beds, a cordless lawn trimmer offers the flexibility and convenience to get the job done quickly and efficiently.

Types of Cordless Lawn Trimmers

Not all lawn trimmers cordless are created equal—different models are designed for different yard sizes, grass types, and user needs. Let’s break down the three main types of cordless trimmers so you can find the perfect fit for your yard.

1. Light-Duty Cordless Lawn Trimmers

Light-duty cordless lawn trimmers are ideal for smaller yards and for trimming light grass, weeds, and edges. They are designed to be easy to use, lightweight, and efficient for basic lawn care. Here’s a look at some key features and top models that fit the light-duty category:

Key Features:

1. Battery Power:

   • Most light-duty trimmers use a 20V or 40V battery, which provides sufficient power for small lawns and light trimming tasks.

   • The battery life typically ranges from 20 minutes to an hour, depending on the model and type of vegetation.

2. Weight:

   • Light-duty trimmers are usually around 5-7 lbs (2.3-3.2 kg), making them easy to handle for extended periods without tiring out.

3. Cutting Width:

   • The cutting width for light-duty models usually ranges from 10 to 13 inches, making them perfect for smaller areas, garden edges, and tight spaces.

4. String or Line Trimming:

   • These trimmers often come with a nylon string or wire that’s ideal for cutting thin grass, weeds, and small shrubs.

5. Adjustable Handles:

   • Many light-duty models come with adjustable handles for comfort, allowing you to change the height for better ergonomics.

6. Manual or Automatic Feed Line:

   • Some models feature a manual feed system (you need to advance the line yourself), while others have automatic feed, where the string is fed automatically when it gets too short.

Pros:

• Affordable 
• Lightweight and easy to maneuver 
• Quiet operation 
• Great for occasional touch-ups
  

Cons:

• Shorter battery life 
• May struggle with thick weeds or overgrown areas
  

If you have a small lawn or only need a trimmer for light maintenance, a light-duty cordless model is a smart, budget-friendly choice.

2. Heavy-Duty Cordless Lawn Trimmers

Heavy-duty cordless lawn trimmers are ideal for larger lawns, tougher grass, dense weeds, or areas with thicker vegetation. These trimmers offer more power, longer battery life, and are built to handle tougher tasks. They are typically more robust and can handle the demands of extensive lawn care. Here’s what to know about heavy-duty cordless trimmers and some popular models.

Key Features:

1. Battery Power:

   • Heavy-duty trimmers often come with 40V, 56V, or even 80V batteries, providing the extra power needed for tough tasks.

   • Longer battery life is essential, with many models offering 1 hour or more of runtime on a single charge, depending on the vegetation and battery size.

2. Weight:

   • These trimmers tend to be heavier than light-duty models, ranging from 8 to 12 lbs (3.6 to 5.4 kg), due to their larger batteries and more powerful motors.

   • While heavier, the added weight usually results in better performance for thicker grass and tougher weeds.

3. Cutting Width:

   • Heavy-duty trimmers generally have a larger cutting width (up to 15 inches or more) for faster and more efficient trimming over large areas.

4. Motor Type:

   • Most heavy-duty models come with brushless motors, which are more efficient, longer-lasting, and less maintenance-intensive than traditional motors.

   • High power output ensures better cutting performance through thicker or dense grass and vegetation.

5. Cutting Line and Features:

   • Dual-feed lines (two strings instead of one) are common in heavy-duty models to handle tougher conditions.

   • Features like automatic line feed, metal blades, or adjustable cutting heights are common to enhance the overall performance.

Pros:

• More power for thick grass and weeds 
• Longer battery life 
• A wider cutting swath covers more ground faster
  

Cons:

• Heavier than light-duty models 
• Higher price point
  

Heavy-duty lawn trimmers cordless are perfect for homeowners who want the freedom of cordless trimming without sacrificing performance.

3. Multi-Function Cordless Trimmers (Trimmer + Edger Combos)

Multi-function cordless trimmers (or trimmer + edger combos) are fantastic tools that combine the functionality of both a string trimmer and a lawn edger into one convenient device. These versatile tools are designed for those who want to trim the edges of their lawn, around flower beds, sidewalks, fences, and other boundaries with a single tool.

Key Features:

1. Dual Functionality:

   • Trimmer Mode: Use it to cut grass and weeds in hard-to-reach places, such as between plants, along fences, and around garden beds.

   • Edger Mode: Easily switch the tool into an edger to create a clean, defined line along your lawn’s edge, sidewalks, and flower beds.

2. Adjustable Handle and Shaft:

   • Many models have adjustable shafts and rotating handles for better ergonomics. This feature makes it more comfortable to switch between trimming and edging tasks, as well as adjust the height based on user preference.

3. Adjustable Cutting Width:

   • Most combo models allow you to adjust the cutting width, usually between 10 to 13 inches, so you can work in different areas, from narrow spaces to wider, open sections of the yard.

4. Battery Power:

   • These tools are typically powered by 20V to 56V batteries, offering a good balance between power and runtime. The larger the voltage, the more power it delivers, which is ideal for tougher vegetation.

5. Easy Conversion:

   • One of the key benefits of a trimmer + edger combo is that converting between functions (trimming to edging) is usually simple and requires minimal effort. Many models feature a quick-change head or a flip-over design to switch between the two functions.

Pros:

• Saves storage space 
• Easy to switch between trimming and edging 
• Ideal for maintaining clean lawn borders
  

Cons:

• May be less powerful than dedicated trimmers 
• The edging quality is not as sharp as a standalone edger
  

A multi-function cordless trimmer is perfect if you want flexibility for both trimming and edging without buying two separate tools.

 

Top 7 Best Cordless Lawn Trimmers of 2025 (Reviews + Recommendations)

With so many options available, finding the best lawn trimmers cordless can feel overwhelming. To help you choose, we’ve rounded up the top-rated models of 2025, covering everything from lightweight picks to powerful workhorses. Here are our favorites, with something for every yard size and budget.

1. EGO Power+ ST1523S 15-Inch 56V Cordless String Trimmer

The EGO Power+ ST1523S is a premium cordless lawn trimmer that delivers serious power and convenience. Thanks to its 56V battery and innovative POWERLOAD™ technology, loading a new trimming line is as easy as pushing a button.

Specs & Key Features:

• 56V battery 
• 15-inch cutting width 
• Carbon fiber shaft 
• Weather-resistant construction 
• POWERLOAD™ automatic line feed
  

Pros:

• Exceptional power for a cordless model 
• Super easy string loading 
• Durable, high-quality build
  

Cons:

• Pricey 
• Heavier than lower-voltage models
  

Best For: Homeowners with large yards or thick grass who want gas-like performance without the maintenance.

2. Greenworks 40V 12-Inch Cordless String Trimmer

Affordable, lightweight, and easy to use, the Greenworks 40V trimmer is ideal for small to medium yards. It offers dependable cutting power while keeping things simple.

Specs & Key Features:

• 40V battery 
• 12-inch cutting swath 
• Adjustable telescopic shaft 
• Automatic line feed
  

Pros:

• Lightweight and easy to handle 
• Quiet operation 
• Good battery life for light jobs
  

Cons:

• Not powerful enough for very thick weeds
  

Best For: Small to medium lawns needing light trimming and maintenance.

3. BLACK+DECKER 20V MAX EASYFEED String Trimmer

A budget-friendly option, the BLACK+DECKER 20V MAX is perfect for quick yard touch-ups. The EASYFEED™ system makes line advancement a breeze, especially for beginners.

Specs & Key Features:

• 20V battery 
• 12-inch cutting width 
• EASYFEED™ button feed system 
• Converts to an edger with a wheel guide
  

Pros:

• Very affordable 
• Lightweight 
• Dual trimming and edging functionality
  

Cons:

• Shorter battery life 
• Less powerful for thick grass
  

Best For: Budget-conscious homeowners with smaller yards.

4. WORX PowerShare 20V GT 3.0 Cordless Trimmer/Edger

The WORX GT 3.0 stands out for its versatility—it easily switches between trimming and edging with a quick twist of the head. Its ergonomic design and built-in wheels make edging smooth and easy.

Specs & Key Features:

• 20V battery 
• 12-inch cutting width 
• 2-in-1 trimmer/edger 
• Adjustable handle and telescopic shaft
  

Pros:

• Excellent for edging borders 
• Compact and lightweight 
• Shares batteries with other WORX tools
  

Cons:

• Not ideal for heavy-duty trimming 

Best For: Homeowners looking for a versatile tool that trims and edges in one.

5. DeWalt 20V MAX XR String Trimmer

Built tough, the DeWalt 20V MAX XR is designed for durability and power. It features a brushless motor for extended life and better efficiency.

Specs & Key Features:

• 20V battery 
• 13-inch cutting width 
• Brushless motor 
• Dual line bump feed
  

Pros:

• Sturdy and durable construction 
• Good power for its class 
• Longer battery life than similar 20V models
  

Cons:

• A bit heavier than the other 20V trimmers
  

Best For: DIYers who want a rugged, reliable cordless trimmer.

6. Ryobi 40V Expand-It Cordless Trimmer

If you want flexibility, the Ryobi 40V Expand-It is compatible with multiple attachments, letting you convert it into a pole saw, edger, and more.

 

Specs & Key Features:

• 40V battery 
• 13-inch cutting swath 
• Expand-It attachment capable 
• Variable speed trigger
  

Pros:

• Multi-tool capability 
• Powerful enough for thicker grass 
• Easy to swap attachments
  

Cons:

• Attachments sold separately 
• Slightly heavier
  

Best For: Homeowners wanting one tool for multiple yard tasks.

7. Makita XRU15PT1 36V Cordless String Trimmer

The Makita XRU15PT1 runs on two 18V batteries for 36V power, delivering impressive performance and runtime. It’s a professional-grade cordless trimmer.

Specs & Key Features:

• 36V (2x18V batteries) 
• 15-inch cutting width 
• Brushless motor 
• 3-speed control
  

Pros:

• Powerful and long runtime 
• Quiet operation 
• Durable, pro-level build
  

Cons:

• Expensive 
• Batteries take longer to charge
  

Best For: Large yards or users wanting commercial-grade power in a cordless trimmer.

How to Choose the Best Cordless Lawn Trimmer (Buyer’s Guide)

Choosing the right lawn trimmers cordless isn’t just about picking the most powerful model—you need to match the tool to your yard and your needs. Here are the key factors to consider before buying:

✅ Yard Size
For small yards, a light-duty cordless trimmer with a 20V battery and a 10–12” cutting width will work well. Larger yards or thicker grass may require a 40V or 56V model with a wider cutting path for faster trimming.

✅ Battery Voltage & Runtime
Higher voltage generally means more power and longer runtime. If you have a bigger yard or tougher weeds, aim for 40V or higher. Check if extra batteries are included or need to be purchased separately.

✅ Cutting Width
A wider cutting width lets you cover more ground quickly. For small gardens, 12” is fine, but for bigger spaces, look for 13–15 inches.

✅ Weight & Ergonomics
A lightweight trimmer with an adjustable handle or telescopic shaft reduces fatigue, especially if you have lots of edging to do. Try to balance power with comfort.

✅ Line Feed System
There are bump feed, auto feed, and manual feed systems. Auto feed is the easiest for beginners, while bump feed gives you more control.

✅ Extra Features
Look for features like a rotating head for edging, built-in wheels, or attachment compatibility if you want a multitool.

✅ Budget Range
Light-duty trimmers start around $100, while premium models with higher voltage or brushless motors can exceed $300.

✅ Warranty & Support
A warranty of 2–3 years offers peace of mind. Brands like EGO, DeWalt, and Makita have strong reputations for customer support.

Tips for Using a Cordless Lawn Trimmer Effectively

To get the best results from your lawn trimmers cordless, it’s not just about turning them on and going—you’ll want to follow a few smart practices to ensure clean cuts and longer tool life.

1. Charge the Battery Fully Before Each Use
Starting with a fully charged battery helps you complete the job without interruptions. It also ensures maximum power output throughout the trimming session.

2. Trim in Dry Conditions for Cleaner Cuts
Wet grass can stick to the cutting head and bog down performance. For smoother trimming and less cleanup, use your cordless lawn trimmer on a dry day.

3. Use Proper Stance & Technique
Stand with your feet shoulder-width apart and keep the trimmer at a slight angle, avoiding tilting too low. This prevents scalping (cutting too close to the soil) and keeps your lawn looking even.

4. Store the Battery & Trimmer Properly
After use, remove the battery and store it in a cool, dry place—avoiding extreme heat or cold will extend battery life. Keep the trimmer indoors or in a shed to protect it from the elements.

5. Clean & Maintain After Each Use
Wipe down the trimmer to remove grass buildup. Check for tangled debris around the cutting head and spool area. Inspect the cutting line and replace it as needed to keep your lawn trimmers cordless performing at their best.

By following these simple tips, you’ll keep your trimmer running smoothly and your lawn looking sharp all season long.

 

Frequently Asked Questions (FAQs)

 

1. How long does a cordless lawn trimmer battery last?

Most lawn trimmers cordless come with lithium-ion batteries that last 20 to 60 minutes per charge, depending on voltage and usage. Higher voltage batteries (like 40V or 56V) tend to provide longer runtimes. For large yards, having a spare battery can help avoid downtime.

2. Is a cordless trimmer powerful enough for thick weeds?

Yes—cordless lawn trimmers have come a long way! Higher voltage models (40V and above) can handle thick weeds and overgrown grass almost as well as gas-powered trimmers. For tough jobs, look for a trimmer with a brushless motor and a thicker cutting line.

3. Can I use a cordless trimmer to edge my lawn?

Absolutely! Many lawn trimmers cordless double as edgers by simply rotating the trimmer head. Some models even include a wheel guide to help you follow a straight line along sidewalks or flower beds. It’s a great way to get two tools in one.

4. What’s the difference between 20V and 40V trimmers?

The main difference is power and runtime. A 40V cordless trimmer will deliver more cutting strength and typically run longer than a 20V model. If you have a small yard with light trimming needs, 20V may be fine. For larger yards or thicker grass, go with 40V or higher.

5. How do I replace the string line on a cordless trimmer?

Replacing the string varies by model, but most use a bump feed, auto feed, or manual feed system. Check your user manual for specific instructions. Some brands, like EGO’s POWERLOAD™, make it as simple as threading the line and pressing a button.

6. How long do cordless trimmers last before needing replacement?

A quality cordless lawn trimmer can last 5 to 7 years or more with proper care. Regular cleaning, battery maintenance, and replacing worn parts (like the trimmer line) will extend its lifespan. Investing in a reputable brand with a solid warranty also helps.

Final Verdict

With so many great lawn trimmers cordless available, the right choice depends on your yard size, budget, and needs. For the best budget pick, the BLACK+DECKER 20V MAX EASYFEED stands out—it’s affordable, lightweight, and perfect for light trimming. If you’ve got a small yard, the Greenworks 40V 12-Inch Cordless String Trimmer offers a nice balance of power and ease of use.

Need more muscle? The EGO Power+ ST1523S 56V is the best high-power model, delivering gas-like performance without the fumes or maintenance. And if you want a multi-function trimmer that edges as well as it trims, the WORX PowerShare GT 3.0 is a versatile two-in-one tool that won’t disappoint.

No matter which you choose, a quality cordless lawn trimmer makes yard work faster, easier, and cleaner, without the hassle of cords or gas. Ready to level up your lawn care?