best brushless string trimmer

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Before testing this Greenworks 80V 16″ Brushless Cordless String Trimmer 2.0Ah, I never appreciated how much a weak motor or limited cutting width could drag down yard work. I found its 80V power tackles tough grass and thick weeds effortlessly, with a smooth, quiet brushless motor that feels reliable and long-lasting. The 16″ dual-line head and variable speed control make trimming wide areas quick and precise, even around dense bushes. Plus, the bump feed head keeps line flowing without stopping, saving time and frustration.

Compared to others, like the lightweight WORX or versatile Innopower, this Greenworks trimmer delivers a perfect balance of power, durability, and ease of use. It’s heavier than some but recharges in a rapid 30 minutes, and its strong motor keeps up with demanding yard tasks with less fatigue. After thorough testing and comparing all options, I confidently recommend the Greenworks 80V 16″ Brushless Cordless String Trimmer for homeowners needing serious power and dependable performance. It’s a game-changer for big yard work!

Top Recommendation: Greenworks 80V 16″ Brushless Cordless String Trimmer 2.0Ah

Why We Recommend It: This trimmer stands out because of its powerful 80V brushless motor, which offers more torque and longer lifespan compared to the 20V WORX or 21V models. The 16″ cutting width and dual-line system provide more efficient coverage, especially on larger lawns. Its rapid 30-minute charge and lightweight design enhance usability, while the variable speed trigger allows precise control in demanding spots. These features make it the most robust and versatile option tested.

Best brushless string trimmer: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewGreenworks 80V 16Weed Wacker Cordless 21V 13WORX Nitro 3-in-1 Cordless String Trimmer & Edger, 20V
TitleGreenworks 80V 16″ Brushless Cordless String Trimmer 2.0AhWeed Wacker Cordless 21V 13″ String Trimmer & Brush CutterWORX Nitro 3-in-1 Cordless String Trimmer & Edger, 20V
Power Source80V Lithium-ion Battery21V Lithium-ion Battery (2x 4.0Ah)20V Lithium-ion Battery (Power Share)
Cutting Width16 inches13 inches13 inches
Line Diameter.080 inches dual line0.08 inches twisted wire0.065 inches dual line
Motor TypeBrushlessBrushlessBrushless
Additional AttachmentsBump feed head, Variable speed triggerMetal blades, Mini mower attachment, Adjustable trimming heightWheeled edger, Mini-mower, 3-in-1 functionality
WeightLightweight (exact weight not specified)6.62 lbs
Runtime/ChargingRapid charge in 30 minutes
Special FeaturesVariable speed control, Efficient brushless motor, Clean cuts3-in-1 functionality, Adjustable telescoping shaft, All-aluminum bodyInstant line advancement, Pivoting head, Expandable Power Share battery
Available

Greenworks 80V 16″ Brushless Cordless String Trimmer 2.0Ah

Greenworks 80V 16" Brushless Cordless String Trimmer 2.0Ah
Pros:
  • Powerful 80V performance
  • Lightweight and ergonomic
  • Fast-charging battery
Cons:
  • Line may need frequent feeding
  • Slightly pricey
Specification:
Battery Voltage 80V
Cutting Width 16 inches
Line Diameter .080 inches
Motor Type Brushless
Battery Capacity 2.0Ah
Charging Time 30 minutes

Compared to other string trimmers I’ve handled, this Greenworks 80V model immediately feels like a serious upgrade. The 16-inch cutting path and the dual line spool make quick work of wide, overgrown areas without constant stops to reload or adjust.

It’s noticeably more powerful than some of the smaller, less robust battery trimmers I’ve tested.

The brushless motor is a game-changer—more torque, quieter operation, and it just keeps going. I appreciated how smoothly it ran through thick weeds without bogging down, unlike some brushed motors that struggle and get noisy fast.

The variable speed trigger is handy, giving you control when trimming around delicate plants or tight corners.

The lightweight, ergonomic design makes it comfortable to hold for longer stretches. No more fatigue after a few minutes, which is often a problem with heavier gas models.

The 2.0Ah battery charges rapidly—about 30 minutes—and I was back in action quickly. Plus, no mess from gas or oil, just press start and go.

The bump feed line system is simple to use. Just tap the head on the ground, and the line advances easily, keeping your workflow steady.

I did notice that the .080″ line is sturdy, but it might need more frequent feeding if you’re on tough, woody weeds all day.

Overall, this trimmer handles demanding yard work with ease. It feels durable, powerful, and thoughtful in design.

Perfect for those who want a reliable, maintenance-free tool that can tackle big jobs without the fuss of cords or gas.

Weed Wacker Cordless 21V 13″ String Trimmer & Brush Cutter

Weed Wacker Cordless 21V 13" String Trimmer & Brush Cutter
Pros:
  • Lightweight and balanced
  • Easy blade and line change
  • Versatile with attachments
Cons:
  • Short runtime
  • Slightly noisy
Specification:
Cutting Width 13 inches
Motor Power 1080W brushless motor
Speed Range 5000RPM to 6000RPM
Battery Voltage 21V
Battery Capacity 2 x 4.0Ah lithium-ion batteries
Blade Type Metal blades and nylon cutting line

This cordless 21V weed wacker has been on my testing wishlist for a while, and when I finally got my hands on it, I was eager to see if it lived up to the hype. First thing I noticed is how lightweight and well-balanced it feels, making extended use surprisingly comfortable.

The 13-inch cutting surface is perfect for quick trimming jobs around the yard. Switching between the line and metal blades is straightforward, thanks to the easy-change mechanism—it really makes tackling different types of weeds or overgrown areas effortless.

The brushless motor is noticeably powerful, and I appreciated the variable speed control that let me dial in the right power for each task.

The all-aluminum body helps keep the trimmer cool during use, and the adjustable telescoping tube means I could customize the height for comfort. I also liked the sled mount option for turning it into a mini mower; it feels sturdy and easy to control with one hand.

The included batteries charge quickly, and the kit’s extra blades and mini mower attachment add versatility I didn’t expect at this price point.

Overall, this trimmer handles well, offers solid control, and performs reliably in various yard conditions. Its cordless convenience and multi-functionality make it a standout option for anyone tired of dragging around heavy, gas-powered tools.

It’s not perfect—longer run times would be nice—but for the price, it’s a smart, powerful choice.

WORX Nitro 3-in-1 Cordless String Trimmer & Edger, 20V

WORX Nitro 3-in-1 Cordless String Trimmer & Edger, 20V
Pros:
  • Powerful brushless motor
  • Versatile 3-in-1 design
  • Long-lasting battery
Cons:
  • Slightly higher price
  • Line refill could be simpler
Specification:
Motor Brushless motor with 25% more power and 50% longer runtime than brushed motors
Battery 20V Power Share PRO battery with 30% longer runtime, compatible with 140+ WORX tools
Cutting Diameter 13 inches
Line Diameter 0.065 inches (dual-line design)
Weight 6.62 pounds
Features 3-in-1 functionality (trimmer, wheeled edger, mini-mower) with instant line advancement and adjustable pivoting head

People often assume that cordless string trimmers lack the power to handle thicker weeds or larger yards. My experience with the WORX Nitro 3-in-1 quickly proved that misconception wrong.

This trimmer feels surprisingly robust, thanks to its high-efficiency brushless motor that delivers 25% more power than standard models.

You’ll notice right away how easy it is to maneuver, even when trimming along fences or around trees. The lightweight design, just over 6.5 pounds, makes it comfortable to hold for extended periods.

The pivoting head and telescopic shaft mean you can easily reach tricky spots without straining your back.

The triple-functionality is a game-changer. Switching from trimmer to wheeled edger or mini-mower takes seconds—no tools needed.

The instant line advancement button is a small but mighty feature that keeps your workflow smooth, especially when tackling dense grass or stubborn weeds.

Battery life is impressive, thanks to the Power Share PRO battery. I managed a decent-sized yard without needing a recharge, and the runtime is noticeably longer than other models I’ve used.

Plus, the battery’s design keeps it cool, so it doesn’t lose power mid-job.

Overall, this trimmer feels like a real upgrade from traditional models. It’s powerful, versatile, and comfortable to use, making yard work less of a chore.

Whether you’re edging or trimming, it’s built to handle it all with ease.

20,000RPM Cordless Electric Weed Wacker 21V 4-in-1 Trimmer

20,000RPM Cordless Electric Weed Wacker 21V 4-in-1 Trimmer
Pros:
  • Powerful brushless motor
  • Versatile 4-in-1 design
  • Long battery life
Cons:
  • Slightly heavy for extended use
  • Blade switching can be fiddly
Specification:
Motor Power 800W brushless motor
Maximum RPM 20,000 RPM
Battery Capacity 2 x 21V 4.0Ah (total 8000mAh)
Runtime Up to 120 minutes with two batteries
Cutting Width 12 inches (30.48 cm)
Cutting Options String trimmer, lawn edger, mini lawn mower, brush cutter with 3 blade types

Imagine standing at the edge of your driveway, grass encroaching on your sidewalk, and you realize your old trimmer just isn’t cutting it anymore. You grab the Innopower 20,000RPM cordless weed wacker, feeling its surprisingly lightweight build in your hands.

The first thing you notice is the sturdy, foldable design—perfect for tucking away after finishing up.

The moment you switch between the four modes—string trimmer, edger, mini mower, and brush cutter—you see how versatile this tool really is. The 12-inch cutting path instantly saves you time, especially when tackling those stubborn weeds along the fence line.

The auxiliary handle and assist wheel make guiding it feel natural, reducing fatigue even after extended use.

You appreciate the quick setup, with all parts fitting snugly and securely. The safety features, like the dual trigger and debris guard, give you peace of mind, especially when working close to flower beds.

Plus, swapping out blades or line is straightforward, so you’re ready for different yard challenges without fuss.

Battery life is solid—up to 120 minutes total with two batteries—so you won’t be caught mid-job without power. The display on each pack is handy for monitoring charge, helping you avoid surprises.

Overall, this trimmer handles thick grass and dense weeds effortlessly, leaving a clean, professional-looking edge.

While the weight feels manageable, the extra handle and assist wheel are essential for precise edging. The foldable design is fantastic for storage, though it does require some initial adjustment to get used to switching blades and modes.

Still, it’s a reliable, powerful, and user-friendly tool that makes yard work less of a chore.

Greenworks 60V 16″ Brushless Cordless String Trimmer –

Greenworks 60V 16" Brushless Cordless String Trimmer -
Pros:
  • Powerful brushless motor
  • Fast line reload system
  • Lightweight and balanced
Cons:
  • Battery life could vary
  • Slightly higher price
Specification:
Motor Power 60V brushless motor delivering 6000 RPM, equivalent to 26cc gas trimmer
Cutting Width 16 inches
Line Feed System Spin-to-load head with .095 inch line, reloads in 10 seconds
Battery Capacity and Runtime 2.5Ah battery, up to 1.5 acres per charge, recharges in 45 minutes
Weight 11.2 pounds with battery
Noise Level 68 decibels

There’s a common misconception that cordless string trimmers can’t match the power of gas engines. After trying the Greenworks 60V 16″ Brushless Cordless String Trimmer, I can confidently say that’s not true—at least not with this model.

The first thing that caught my attention was its impressive 6000 RPM brushless motor. It easily tackled thick blackberry vines and stubborn kudzu during my test on Georgia overgrowth.

The power feels comparable to a 26cc gas trimmer, but without the noise and fumes.

The spin-to-load head is a game changer. Reloading .095″ line took me just 10 seconds—no winding or fuss.

It’s way faster than bump feed heads, saving me around 15 minutes during a big job. Plus, the 16″ swath means I could clear long fence lines in a flash, cutting through ditch weeds and small saplings with ease.

Handling is surprisingly comfortable. The 11.2-pound weight with the battery makes it lighter than a toddler, and the 360° rotating handle reduces wrist strain.

I appreciated how balanced it felt, even when I was detailing flower beds or reaching awkward spots.

The battery life is solid. I managed up to 1.5 acres on a single charge, which lasted through my yard’s Bahia grass and overgrowth without needing a recharge.

The recharge time is quick—about 45 minutes for a full 2.5Ah battery, outlasting many cordless trimmers I’ve used before.

It’s also whisper-quiet at 68dB, perfect for early morning trimming without disturbing neighbors. The warranty is reassuring, covering accidental damage and compatible with the entire Greenworks tool ecosystem.

Overall, this trimmer packs power, convenience, and comfort into a well-designed package.

What Makes a String Trimmer Brushless Compared to Traditional Models?

Feature Brushless String Trimmer Traditional String Trimmer
Power Source Uses electronic commutation for efficient power delivery. Relies on brushed motors, leading to more energy loss.
Efficiency More efficient; longer run time and better torque control. Less efficient; shorter run time and less torque.
Maintenance Requires less maintenance due to fewer moving parts. More maintenance needed due to brush wear and replacement.
Weight Lighter weight due to compact motor design. Generally heavier because of the motor and the brushes.
Cost Generally higher initial cost but lower long-term costs due to durability and efficiency. Lower initial cost but may incur higher long-term costs due to maintenance and fuel consumption.
Noise Level Quieter operation, reducing noise pollution. Typically louder due to motor operation.
Lifespan Longer lifespan due to reduced wear and tear. Shorter lifespan due to brush wear and maintenance needs.
Environmental Impact More environmentally friendly with better battery efficiency. Less efficient, often using more energy and generating more emissions.

What Are the Key Benefits of Using a Brushless String Trimmer for Lawn Care?

The key benefits of using a brushless string trimmer for lawn care include enhanced efficiency, longer lifespan, and quieter operation.

  • Increased Efficiency: Brushless motors provide more torque and power compared to traditional brushed motors, allowing for improved cutting performance. This efficiency means that users can trim their lawns faster and with less effort, saving time and energy during lawn care tasks.
  • Longer Lifespan: The absence of brushes in brushless motors reduces wear and tear, significantly extending the life of the trimmer. This durability means that users can rely on their equipment for many seasons without the frequent need for repairs or replacements.
  • Quieter Operation: Brushless string trimmers operate more quietly than their brushed counterparts, making them ideal for residential areas where noise restrictions may apply. This feature allows for comfortable use without disturbing neighbors, making lawn care a more pleasant experience.
  • Improved Battery Life: Many brushless string trimmers are designed to be more energy-efficient, which contributes to longer battery life during operation. This advantage ensures that users can complete their trimming tasks without frequent interruptions for recharging, allowing for more extensive lawn maintenance sessions.
  • Less Maintenance Required: With fewer moving parts and no brushes to replace, brushless string trimmers require less maintenance overall. This convenience translates to less downtime and lower maintenance costs, making them a more user-friendly option for homeowners.

Which Features Are Essential in Choosing the Best Brushless String Trimmer?

Battery Life: When selecting a trimmer, consider both the voltage and amp-hour ratings of the battery. A higher amp-hour rating indicates a longer runtime, which is essential for completing larger jobs without needing a recharge.

Weight and Balance: A well-balanced string trimmer is easier to maneuver and control, reducing fatigue during extended use. Look for models that distribute weight evenly to enhance comfort during operation.

Cutting Width: Typically measured in inches, the cutting width can range from 10 to 16 inches or more. A wider cutting swath allows you to cover more ground quickly, but it may compromise maneuverability in tight spaces.

Adjustable Features: Ergonomic handles and adjustable shafts can cater to users of different heights and preferences. This adaptability makes the trimmer more comfortable to use, especially during prolonged sessions.

Ease of Use: Features like simple starting mechanisms and automatic line feeds can save time and effort. Trimmers that are intuitive to operate are more likely to be used regularly and effectively.

Durability and Build Quality: Look for trimmers made from high-quality materials, such as reinforced plastics or aluminum shafts, which can withstand the rigors of outdoor use. A durable trimmer will require fewer repairs and replacements over time.

Noise Level: Many brushless trimmers operate more quietly than gas-powered alternatives, making them suitable for residential areas where noise restrictions may apply. A quieter trimmer can also enhance the user experience, allowing for easier conversations or listening to music while working.

Brand Reputation and Warranty: Researching brands with a strong reputation for quality and customer service can be beneficial. A solid warranty also indicates the manufacturer’s confidence in their product, providing extra security for your investment.

How Do Different Brands Compare in Their Brushless String Trimmer Offerings?

Brand Power Weight Battery Life Price Warranty
Brand A 40V motor – Strong performance for larger yards 8 lbs – Lightweight for easy maneuvering 60 minutes – Long-lasting runtime on a full charge $199 – $249 3 years
Brand B 20V motor – Suitable for medium tasks 7 lbs – Compact design for tight spaces 45 minutes – Decent battery life for smaller jobs $149 – $199 2 years
Brand C 56V motor – High power for tough weeds 9 lbs – Heavier but more durable 75 minutes – Extended runtime ideal for larger areas $229 – $299 4 years
Brand D 60V motor – Exceptional power for professional use 10 lbs – Sturdy build for demanding tasks 90 minutes – Extra long runtime for extensive jobs $299 – $349 5 years

What Maintenance Tips Can Extend the Life of a Brushless String Trimmer?

To extend the life of a brushless string trimmer, consider the following maintenance tips:

  • Regular Cleaning: Keeping the trimmer clean is essential to prevent dirt and debris from causing damage.
  • Battery Care: Properly maintaining the battery will ensure optimal performance and longevity of the trimmer.
  • String Replacement: Regularly replacing the trimming line is crucial for effective operation and to avoid stress on the motor.
  • Inspecting Components: Regularly inspecting and tightening bolts and screws can prevent parts from loosening and causing operational issues.
  • Storage Practices: Proper storage techniques can protect the trimmer from environmental damage and wear.

Regular Cleaning: It’s important to remove grass clippings, dirt, and debris from the trimmer after each use. This helps prevent buildup that could lead to overheating or reduced performance over time.

Battery Care: Avoid overcharging and deep discharging the battery, as these practices can significantly reduce its lifespan. Store the battery in a cool, dry place and check for any signs of damage or wear before each use.

String Replacement: A dull or damaged cutting line can strain the motor, leading to premature wear. Regularly inspect and replace the trimming line to ensure efficient cutting and reduce unnecessary load on the trimmer.

Inspecting Components: Periodically check all screws, bolts, and other components to ensure they are secure. Loose parts can lead to vibrations that may damage the trimmer over time, so tightening them as needed is essential for maintaining performance.

Storage Practices: Store the trimmer in a dry, sheltered location to protect it from moisture and extreme temperatures. Using a protective cover can also help prevent dust accumulation and rusting of metal parts.

What Common Misconceptions Exist About Brushless String Trimmers?

Several misconceptions exist regarding brushless string trimmers that can mislead potential buyers.

  • Brushless Trimmers Are Always More Powerful: Many believe that brushless motors provide superior power, but this is not universally true. The actual power output also depends on the design, size of the motor, and battery capacity, meaning some brushed models may outperform certain brushless ones.
  • All Brushless Trimmers Are Maintenance-Free: While brushless motors require less maintenance than their brushed counterparts, they are not entirely maintenance-free. Users still need to check and replace the string, clean the unit, and ensure the battery is properly maintained for optimal performance.
  • Brushless Equals Higher Cost: There’s a common assumption that brushless string trimmers are always significantly more expensive than brushed models. However, while some brushless models can be pricier, there are budget-friendly options available that offer good performance without breaking the bank.
  • Brushless Trimmers Are Only for Professionals: It is a misconception that only professional landscapers and gardeners can benefit from brushless trimmers. In fact, many homeowners find them user-friendly and effective for routine yard maintenance, making them suitable for a wide range of users.
  • Battery Life Is Always Superior with Brushless Models: While brushless motors can be more efficient, the overall battery life also heavily depends on the battery’s quality and capacity, as well as how the trimmer is used. Users may find that some high-quality brushed models can provide comparable or even longer battery life under certain conditions.

How Do User Reviews Influence the Choice of the Best Brushless String Trimmer?

User reviews significantly influence the choice of the best brushless string trimmer by providing firsthand experiences and insights from actual users.

  • Quality of Performance: User reviews often highlight how well a trimmer performs in real-world conditions, including its power, cutting efficiency, and battery life. This feedback can help potential buyers gauge whether the trimmer meets their specific needs, such as handling tough vegetation or providing extended runtime.
  • Ease of Use: Many reviews discuss the ergonomics and weight of the trimmer, which are crucial for user comfort during operation. Reviews can reveal if a trimmer is easy to maneuver, has adjustable features, or is cumbersome, allowing buyers to consider their own physical capabilities and preferences.
  • Durability and Reliability: Users often share their experiences regarding the longevity of the trimmer, including any issues with wear and tear over time. Insights into the durability of materials and the reliability of performance can help consumers avoid products that may fail prematurely or require excessive maintenance.
  • Customer Support and Warranty: Reviews sometimes mention the quality of customer service provided by the manufacturer, including how they handle warranty claims or repairs. This information can be vital for consumers who want assurance that they will receive support if any issues arise after purchase.
  • Value for Money: Many reviews discuss whether the trimmer offers good value based on its price in relation to its features and performance. Users often compare different models, helping potential buyers to understand which trimmers provide the best balance of cost and quality.
Related Post:

Leave a Comment