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3 Best 24V String Trimmers, Compared

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Finding the best 24V string trimmers requires looking at hard specs, not marketing claims. We compared 3 models based on the specifications published on the listings. The Greenworks 24V 12" Cordless Trimmer leads the pack. Its 12-inch cutting width and included battery make it the most versatile option for trimming and edging. This guide helps you decide which tool fits your yard size and power needs. You will see how weight and voltage affect your daily use. We break down the differences so you can choose with confidence. No fluff, just the data you need to make the right choice for your lawn care routine.

Quick picks

#ProductBest forPrice
1 Greenworks 24V 12" Cordless Trimmer Best overall Trimming and edging with USB charging Check price of Greenworks 24V 12" Cordless Trimmer on Amazon
2 Greenworks 48V 17-Inch Brushless Lawn Mower Best budget small yards needing a drill bundle Check price of Greenworks 48V 17-Inch Brushless Lawn Mower on Amazon
3 Greenworks 24V 10-Inch Cordless Trimmer Best 10-inch small yards with existing 24V batteries Check price of Greenworks 24V 10-Inch Cordless Trimmer on Amazon

The best fit for you

Our 3 picks

Best overall

Greenworks 24V 12" Cordless Trimmer

Best for: Trimming and edging with USB charging

Voltage
24V (what this guide is about)
Cutting Swath
12 in
Power Source
battery
Battery Capacity
2.0Ah
Cutting Width
12-Inch
Included Battery
Battery and Charger Included

View on Amazon: Greenworks 24V 12" Cordless Trimmer Affiliate link

This Greenworks 24V string trimmer features a 12-inch cutting width and a telescoping aluminum shaft for height adjustment. It includes a 2.0Ah battery with a built-in USB port for charging devices. The variable speed trigger provides fade-free power. It weighs 9.46 pounds. This model suits users who need edging capabilities and portable power options alongside standard trimming tasks.

Pros

  • Twist-to-edge technology converts to an edger with a button press
  • Telescoping aluminum shaft adjusts to user height
  • Battery includes a 12000 mAh USB power bank
  • Variable speed trigger for on-demand power

Cons

  • Smaller 12-inch cutting width compared to 15-inch options
  • Included 2.0Ah battery offers less runtime than higher capacity options
  • Heavier at 9.46 pounds than bare tool versions

Good fit if

  • You need to switch between trimming and edging quickly
  • You want to charge phones or tablets from the battery
  • You prefer an adjustable shaft for better comfort

Skip if

  • You need a wider cutting path for large areas
  • You prefer a lighter bare tool setup
  • You require a larger battery for extended runtime

Verdict: Greenworks 24V 12" TORQDRIVE String Trimmer fits users who value versatility and portable power. It is ideal for those who need edging features and a USB power bank in one device.

Best budget

Greenworks 48V 17-Inch Brushless Lawn Mower

Best for: small yards needing a drill bundle

Voltage
24V (what this guide is about)
Cutting Swath
17 in
Power Source
battery
Motor Type
brushless
Battery Capacity
4.0Ah
Application
Lawn

View on Amazon: Greenworks 48V 17-Inch Brushless Lawn Mower Affiliate link

This Greenworks bundle pairs a 17-inch brushless mower with a 24V drill and two 4.0Ah batteries. The brushless motor delivers more torque and quieter operation. You get up to 45 minutes of runtime on fully charged batteries. The single-button height adjustment offers six positions from 1.25 to 3.375 inches. The lightweight poly deck resists rust. This kit suits users who need a mower and a drill in one package.

Pros

  • Brushless motor for longer life and quiet operation
  • Two 4.0Ah batteries provide up to 45 minutes of runtime
  • Lightweight rust-resistant poly deck
  • Single-button height adjustment with six positions
  • Includes a 24V drill/driver

Cons

  • Narrow 17-inch cutting swath
  • Mower height only adjusts to 3.375 inches maximum
  • Batteries are 24V, not 48V

Good fit if

  • You want a drill included with your mower
  • You have a small lawn under 5,000 square feet
  • You prefer a lightweight mower for easy maneuverability

Skip if

  • You need a wider cutting deck for large yards
  • You require a higher maximum cutting height
  • You want a dedicated 48V mower without extra tools

Verdict: Greenworks 17" Brushless Mower 4.0Ah is a practical bundle for small yards. It fits users who value the included 24V drill and quiet brushless motor over cutting width.

Best 10-inch

Greenworks 24V 10-Inch Cordless Trimmer

Best for: small yards with existing 24V batteries

Voltage
24V (what this guide is about)
Cutting Swath
10 in
Power Source
battery
Cutting Width
10-Inch
Included Battery
Tool Only
Dimensions
39.6 × 4.3 × 9.8 inches

View on Amazon: Greenworks 24V 10-Inch Cordless Trimmer Affiliate link

This Greenworks 24V string trimmer features a 10-inch cutting swath. It uses a lithium-ion battery for fade-free power. The tool weighs 6.2 pounds and measures 39.6 inches in length. It is sold as a bare tool without a battery or charger. This model suits users with existing 24V batteries who need a compact trimmer for small yards.

Pros

  • 24V lithium-ion power source
  • 10-inch cutting width
  • Lightweight 6.2-pound design
  • Fade-free power delivery

Cons

  • Sold as a bare tool without battery
  • No charger included in package
  • 10-inch cut width is narrower than competitors

Good fit if

  • You already own Greenworks 24V batteries
  • You need a lightweight trimmer for small spaces
  • You prefer a basic cordless string trimmer

Skip if

  • You need a battery and charger included
  • You require a cutting width wider than 10 inches
  • You want a brushless motor option

Verdict: Greenworks 24V 10" Cordless Trimmer is a lightweight option for those with existing batteries. It fits users with small yards who need a simple, compact tool.

Specifications side by side

Spec Greenworks 24V 12" Cordless Trimmer Greenworks 48V 17-Inch Brushless Lawn Mower Greenworks 24V 10-Inch Cordless Trimmer
Voltage 24V 48V 24V
Cutting Swath 12 in 17 in 10 in
Power Source battery battery battery
Motor Type not stated brushless not stated
Battery Capacity 2.0Ah 4.0Ah not stated
Cutting Width 12-Inch not stated 10-Inch
Application not stated Lawn not stated
Included Battery Battery and Charger Included not stated Tool Only
Dimensions 39.6 × 4.3 × 9.8 inches not stated 39.6 × 4.3 × 9.8 inches
Weight 9.46 pounds not stated 6.2 pounds
Size 12" (Battery Included) 17" Mower + Drill (2 x 4.0Ah) 10" Gen 1 (Bare Tool)
Color Green not stated Green
Model ST24B212 b656596e-7641-4623-99dc-ff927ba570ea ST24B03

Key Specs to Compare for 24V Trimmers

  1. Check cutting width for your yard

    Cutting width determines how many passes you need to cover your lawn. A wider deck clears more grass per swipe, reducing total mowing time. The Greenworks 24V 12" Cordless Trimmer offers a 12-inch cut, which is efficient for small to medium areas. If you have a tighter space, a 10-inch width, like the Greenworks 24V 10-Inch Cordless Trimmer, provides better maneuverability. Choose the width that matches your yard size to balance speed and control.

  2. Verify included battery status

    Always check if the battery and charger come with the tool. Starting fresh requires buying these separately, which adds cost and setup time. The Greenworks 24V 12" Cordless Trimmer includes both the battery and charger, allowing immediate use. In contrast, the Greenworks 24V 10-Inch Cordless Trimmer is listed as a bare tool, meaning you must already own compatible 24V batteries. Ensure your purchase includes the necessary power source to avoid delays.

  3. Consider weight for comfort

    Tool weight affects fatigue during extended use. Lighter models are easier to handle and maneuver around obstacles. The Greenworks 24V 10-Inch Cordless Trimmer weighs just 6.2 pounds, making it a lightweight option for users who prefer less strain. The larger 12-inch model weighs 9.46 pounds. If you plan to trim for long periods or have limited strength, the lighter bare tool may offer better comfort and control during daily tasks.

  4. Look for brushless motor benefits

    Brushless motors offer longer life and more power than brushed versions. They also run quieter and require less maintenance. The Greenworks 48V Brushless Lawn Mower features this technology for efficient performance. While this guide focuses on 24V trimmers, understanding motor type helps you evaluate longevity. A brushless design ensures consistent power output and reduces wear on internal components, making it a practical choice for frequent users who want reliability over time.

  5. Match voltage to your system

    Stick to one voltage platform to share batteries across tools. All listed products operate on 24V, ensuring compatibility if you already own Greenworks gear. The Greenworks 24V 10-Inch Cordless Trimmer is ideal for users with existing 24V batteries. This approach saves money and reduces clutter. Verify that any new tool matches your current battery voltage to maximize utility and avoid purchasing redundant power sources for different brands or systems.

Frequently asked questions

Which 24V string trimmer has the widest cutting deck?

The Greenworks 24V 12" Cordless Trimmer offers the widest cutting width at 12 inches. This specification allows you to clear more vegetation per pass compared to narrower models. The 12-inch deck is ideal for users who want to reduce the total time spent trimming edges and borders around their yard.

Does the top-rated trimmer come with a battery included?

Yes, the Greenworks 24V 12" Cordless Trimmer includes both the battery and a charger. You do not need to purchase additional power sources to start using the tool. This inclusion makes it a complete package for immediate use, unlike bare tool options that require separate battery investments.

What is the lightest 24V string trimmer on this list?

The Greenworks 24V 10-Inch Cordless Trimmer is the lightest option, weighing just 6.2 pounds. Its compact design reduces user fatigue during extended trimming sessions. This weight makes it particularly suitable for users with smaller yards who need a simple, maneuverable tool for tight spaces and delicate edging work.

Can I use existing 24V batteries with these trimmers?

The Greenworks 24V 10-Inch Cordless Trimmer is sold as a bare tool, meaning it requires a separate 24V battery. If you already own Greenworks 24V batteries, you can use them with this model without buying a new power source. This compatibility is ideal for users expanding their existing tool ecosystem.

Are there any brushless motor options in this guide?

The Greenworks 48V 17-Inch Brushless Lawn Mower features a brushless motor. While this is a mower rather than a string trimmer, it demonstrates the availability of brushless technology in the 24V and 48V ecosystem. Brushless motors typically offer longer life and higher efficiency compared to brushed alternatives.

What are the physical dimensions of the 12-inch trimmer?

The Greenworks 24V 12" Cordless Trimmer measures 39.6 inches in length, 9.8 inches in height, and 4.3 inches in width. The total weight with the battery included is 9.46 pounds. These dimensions provide a balance between reach and manageability for standard residential yard maintenance tasks.

Is there a model best for small yards with existing batteries?

The Greenworks 24V 10-Inch Cordless Trimmer is best for small yards with existing batteries. Its 10-inch cutting width is sufficient for smaller lawns, and the bare tool design allows you to use your current 24V power sources. This combination keeps costs down and reduces clutter for users with limited storage.

See also