The 8 best cordless string trimmers in 2027 balance power, runtime, and comfort. Top picks include the lightweight WORX 20V 12″ 2-in-1, Greenworks 60V 16″ for larger yards, Greenworks 40V 12″ for routine cleanup, EGO POWER+ 15″ for strong performance, and BLACK+DECKER 20V MAX for easy handling. CRAFTSMAN and other budget models also stand out. Each fits different yard sizes, and the details below help narrow the best match.
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
The WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163, is a strong choice for homeowners who want a lightweight, easy-to-handle tool that can switch from trimming to edging in seconds. Weighing 5.5 pounds, it uses a 12-inch cutting diameter and reaches 7,600 rpm no-load speed. The push-button command feed supplies line instantly, while the 90-degree tilt helps on slopes and tight spots. Rubberized wheels improve control, and the adjustable spacer guard helps protect plants. Two 20V Power Share batteries, charger, spool, wheels, and safety guard are included.
Best For: Homeowners who want a lightweight, easy-to-use cordless trimmer and edger for quick yard maintenance, including sloped areas and tight spaces.
Pros:
- Converts from trimmer to edger in seconds for versatile lawn care.
- Lightweight 5.5 lb design with 90° tilt makes it easier to handle in hard-to-reach areas.
- Includes two 20V Power Share batteries, charger, spool, wheels, and safety guard.
Cons:
- 12-inch cutting diameter may be small for larger yards.
- Battery-powered runtime may be limiting for extended trimming sessions.
- Not ideal for heavy-duty or thick overgrown vegetation.
Greenworks 60V 16 in Cordless String Trimmer, 4.0 Ah Battery
With its 4.0 Ah battery and 16-inch cutting width, the Greenworks 60V trimmer suits medium to large yards. The ST60L413 uses a high-efficiency brushless motor to deliver strong cutting power and extended runtime, while the 10,000 rpm speed supports steady trimming performance. Its Load N’ Go head simplifies line replacement, reducing interruptions during yard work. At 18.7 pounds, it includes an adjustable shoulder strap to improve balance and comfort. The package also adds a charger and spool. A 4-year limited warranty covers tool and battery, and the battery works with over 75 Greenworks 60V tools.
Best For: Homeowners with medium to large yards who want a cordless trimmer with strong cutting power, longer runtime, and compatibility with other Greenworks 60V tools.
Pros:
- 4.0 Ah battery and brushless motor provide solid runtime and cutting performance.
- 16-inch cutting width helps cover larger areas more efficiently.
- Load N’ Go head and included shoulder strap make trimming more convenient and comfortable.
Cons:
- At 18.7 pounds, it may feel heavy during longer sessions.
- Battery-powered runtime may still be limiting for very large properties.
- Best value comes if you already use or plan to buy other Greenworks 60V products.
Greenworks 40V 12 in Cordless String Trimmer, 2.0 Ah Battery and Charger
Greenworks’ 40V trimmer suits homeowners needing a lightweight, easy-to-handle tool for routine yard cleanup. Its 12-inch dual-line head with 0.065-inch line handles grass and light weeds efficiently, while the auto-feed system reduces interruptions. Variable speed control adds useful precision for edging and tougher patches. The included 2.0 Ah lithium-ion battery and charger support cordless convenience, and the 7,500 rpm motor helps maintain consistent cutting performance. At 12 pounds, it remains manageable for extended sessions. A three-year limited warranty covers both tool and battery, adding practical reassurance.
Best For: Homeowners who want a lightweight, cordless string trimmer for routine yard cleanup, edging, and light weed control.
Pros:
- 12-inch dual-line cutting head with 0.065-inch line handles grass and light weeds efficiently.
- Auto-feed line system reduces downtime and keeps trimming more continuous.
- Included 2.0 Ah battery and charger, plus a 3-year limited warranty for added value and peace of mind.
Cons:
- 12-inch cutting width may be less efficient for larger yards.
- Best suited for grass and light weeds, not heavy overgrowth.
- At 12 pounds, it may feel a bit heavy for some users during longer sessions.
EGO POWER+ 15″ Cordless Weed Trimmer with Battery and Charger – ST1502SA
EGO’s 15-inch trimmer suits homeowners wanting strong cutting power and quick battery turnaround. Its 15-inch swath and professional-grade 0.095-inch line handle wider passes than many compact models. The included 2.5Ah battery delivers up to 45 minutes of runtime, while variable speed control helps match output to the job. A brushless motor keeps vibration low and supports long-term reliability. The Rapid Reload head simplifies line changes, and the battery recharges in about 50 minutes with the proper charger. Compatibility across EGO’s 56V ARC Lithium lineup adds flexibility, backed by a 5-year tool warranty and 3-year battery warranty.
Best For: Homeowners who want a powerful, easy-to-use cordless trimmer with solid runtime, quick line reloading, and EGO battery compatibility.
Pros:
- 15-inch cutting swath and 0.095-inch line handle larger areas efficiently.
- Up to 45 minutes of runtime with the included 2.5Ah battery, plus fast 50-minute charging.
- Brushless motor, variable speed control, and Rapid Reload head improve comfort and convenience.
Cons:
- Runtime may be limited for larger yards or extended trimming sessions.
- Included battery is 2.5Ah, which is smaller than higher-capacity options.
- Best performance depends on using compatible EGO charging and battery systems.
BLACK+DECKER 20V MAX Cordless String Trimmer/Edger (LST300)
The BLACK+DECKER LST300 suits homeowners seeking a lightweight, easy-to-handle trimmer for routine yard cleanup. Its 12-inch cutting swath, 6200 RPM motor, and POWERDRIVE transmission provide adequate power for edging and trimming small to medium yards. The automatic feed system removes the need for bumping, while the 2.0 Ah lithium-ion battery delivers 33% more runtime than earlier packs. At 5.7 pounds, it is easy to control, and the adjustable handle improves comfort. Quiet operation, a wall-mountable charger, and 20V MAX battery compatibility add convenience.
Best For: Homeowners with small to medium yards who want a lightweight, quiet, and easy-to-use cordless trimmer/edger for routine yard cleanup.
Pros:
- 12-inch cutting swath and 6200 RPM motor provide solid performance for trimming and edging.
- Lightweight 5.7-pound design with an adjustable handle makes it comfortable to use.
- Automatic feed system and 20V MAX battery compatibility add convenience.
Cons:
- 2.0 Ah battery may be limiting for larger yards or longer trimming sessions.
- Less powerful than gas trimmers for heavy-duty overgrowth.
- 12-inch cutting width is best suited to smaller jobs, not wide-area coverage.
CRAFTSMAN V20 String Trimmer and Edger Kit (CMCST901M1)
With 63 minutes of runtime, the CRAFTSMAN V20 suits homeowners needing long, efficient trimming sessions. Its 13-inch cutting swath helps cover more ground quickly, while the 52% more powerful motor is built to handle thicker grass with less strain. Two speed settings let users balance runtime and cutting force, and the turn-to-edge feature makes switching from trimming to edging straightforward. The adjustable handle improves comfort, and the lightweight build supports easier control. It includes a CMCB204 4.0Ah battery and fits the V20 system, though warranty details require customer service confirmation.
Best For: Homeowners who want a cordless, battery-powered trimmer and edger with long runtime, solid cutting power, and easy switching between trimming and edging.
Pros:
- Up to 63 minutes of runtime per charge for longer yard work sessions
- 13-inch cutting swath and 52% more power for efficient handling of thick grass
- Turn-to-edge feature, adjustable handle, and lightweight design improve convenience and comfort
Cons:
- Battery runtime may still be limited for very large properties
- Warranty details are not clearly stated and require customer service confirmation
- 13-inch cutting width may be less ideal for users wanting a wider trimming path
WORX 20V 12″ 3-in-1 Cordless String Trimmer/Lawn Edger/Mini Mower, WG170
Lightweight versatility defines the WORX WG170 for small-yard owners needing multiple functions in one tool. At 5.5 pounds, the 20V cordless unit shifts between string trimmer, lawn edger, and mini mower with a 12-inch cutting path. Its 7,600 rpm motor and six rotating head positions support precise trimming, while seven handle adjustments improve comfort. Command Feed allows line advance at the push of a button. Two 20V 2.0Ah batteries offer enough runtime for up to a quarter acre, and the included charger, spools, wheels, guards, and Power Share compatibility add practical value.
Best For: Homeowners with small yards who want a lightweight, all-in-one tool for trimming, edging, and light mowing.
Pros:
- 3-in-1 design handles trimming, edging, and mini mowing in one tool.
- Lightweight 5.5 lb build with adjustable handle and rotating head for comfort.
- Includes two 20V batteries, charger, and useful accessories like wheels and guards.
Cons:
- Best suited for small lawns, with runtime and power limited to about ¼ acre.
- 5-hour charging time is relatively long.
- Battery life and cutting performance may not match more heavy-duty gas models.
20V 12″ Cordless String Trimmer, Electric Weed Wacker & Edger
Powered by dual 20V 4.0Ah batteries, this 12-inch trimmer suits homeowners needing longer runtime and easy edging. Its 8000 RPM upgraded motor drives a 2-in-1 design that shifts between trimming and edging for lawn borders, flower beds, and driveways. An automatic line feed system advances fresh line as needed, reducing interruptions and manual tuning. Weighing only 6.3 pounds, it remains manageable for adults and seniors, while the adjustable grip helps limit arm and back strain. The package includes a charger, eight replacement spools, and customer support for added convenience.
Best For: Homeowners, adults, and seniors who want a lightweight, easy-to-use cordless trimmer that can both trim and edge with longer runtime.
Pros:
- 2-in-1 design easily switches between trimming and edging for versatile lawn care.
- Dual 20V 4.0Ah batteries and a charger provide extended runtime for larger jobs.
- Lightweight 6.3 lb build with an adjustable grip helps reduce fatigue during use.
Cons:
- 12-inch cutting width may be less efficient for larger yards or heavy-duty tasks.
- Battery-powered runtime is limited compared with corded or gas-powered models.
- Automatic line feed and replacement spools may still require occasional maintenance.
Factors to Consider When Choosing Cordless String Trimmers in 2026
When choosing cordless string trimmers in 2026, cutting width, battery runtime, motor power, weight and balance, and the line feed system remain the key factors. A wider cutting width can improve efficiency, while longer battery runtime and stronger motor power help sustain performance across larger jobs. Weight and balance affect comfort, and a dependable line feed system supports smoother, less interrupted trimming.
Cutting Width
Cutting width is one of the most important factors to weigh when choosing a cordless string trimmer in 2026, since it directly affects both efficiency and control. Most models offer widths between 12 and 16 inches. A 12-inch head suits small to medium yards and helps the operator work neatly around flower beds, edges, and fences. A 16-inch head covers more ground per pass, making it a stronger choice for larger lawns or tougher vegetation. Wider widths can shorten trimming time, especially on expansive landscapes, while narrower ones usually improve maneuverability in confined areas. The type of grass or weeds also matters, since thicker, denser growth may benefit from a broader cutting path for cleaner, more consistent maintenance.
Battery Runtime
Battery runtime can make or break a cordless string trimmer’s usefulness, especially for larger yards or heavier cleanup jobs. Runtime varies widely, with some models lasting up to 63 minutes per charge and others closer to 30. Larger 4.0 Ah lithium-ion batteries generally last longer than 2.0 Ah packs, making them better suited to extended trimming sessions. Speed settings also matter, since higher RPM modes usually drain power faster. Features that reduce interruptions, such as automatic line feed systems and efficient brushless motors, can help preserve battery life during work. Charging time is equally important; many trimmers recharge in under an hour, which supports quick resets between tasks and improves overall convenience for users managing repeated yard maintenance.
Motor Power
Motor power is one of the clearest indicators of how well a cordless string trimmer will perform in real yard conditions. It is usually expressed in RPM, and most cordless models fall between 6,200 and 10,000 RPM. Higher speeds generally improve cutting efficiency and help the trimmer move through thicker grass and weeds with fewer passes. Brushless motors are increasingly common because they deliver more torque and typically extend runtime compared with brushed designs, adding usable cutting strength. Variable speed settings can further improve control by matching output to the task, conserving battery power when full performance is unnecessary. Motor size and construction also affect how the trimmer feels in use, making power an important specification to review before purchase.
Weight And Balance
Weight and balance can make a cordless string trimmer feel manageable or exhausting over time, with most models weighing roughly 5.5 to 18.7 pounds. Lighter units often help reduce fatigue during long trimming sessions, while heavier models may demand more strength and stamina. A well-balanced design matters just as much as raw weight, because even distribution improves control, comfort, and maneuverability. This is especially important in tight areas and on sloped ground, where stability affects precision. Adjustable handles and ergonomic grips can further ease arm and back strain by improving handling. Selecting the right trimmer consequently depends not only on performance, but also on how well its weight suits the user’s physical capacity and intended tasks.
Line Feed System
Beyond weight and balance, the line feed system has a major effect on how smoothly a cordless string trimmer works in real use. Automatic and instant feed designs let the line advance as needed, reducing the need for manual bumping or frequent adjustments. That means less interruption and more consistent cutting, especially during larger yard tasks. Some trimmers use a push-button command feed, which delivers fresh line immediately and can simplify maintenance in tight areas or around edging. Advanced feed systems often make trimming feel faster and more efficient because they cut downtime between line advances. For buyers comparing cordless models, the feed mechanism is an important performance detail. It affects convenience, productivity, and the overall ease of keeping a yard neat.
Warranty Coverage
Warranty coverage can be a useful signal of a cordless string trimmer’s long-term value. Coverage varies widely, with some models protected for only two years and others backed for up to five years on both tool and battery. Battery protection often stands apart, commonly lasting three years, which matters because the battery is one of the most expensive parts to replace. Buyers should read the fine print carefully, since many warranties apply only to defects in materials or workmanship and exclude normal wear. A strong policy may include free repairs or replacements during the coverage period, improving overall value. Some brands also provide a voluntary return window, usually 30 days, offering a refund if the trimmer does not meet expectations.
Frequently Asked Questions
How Long Do Cordless String Trimmer Batteries Typically Last?
Cordless string trimmer batteries typically last 20 to 60 minutes per charge, depending on battery size, grass thickness, and power setting. Higher-voltage packs and lighter use can extend runtime considerably.
Can Cordless String Trimmers Handle Thick Weeds and Overgrown Grass?
Yes, cordless string trimmers can tackle thick weeds and overgrown grass, though they often nibble rather than devour. Heavier-duty models with strong batteries and thicker line perform better; especially dense, woody growth may need repeated passes.
What Is the Average Charging Time for a Trimmer Battery?
Charging time typically ranges from 30 minutes to 2 hours, depending on battery capacity and charger speed. Larger batteries and standard chargers take longer, while fast chargers shorten downtime considerably for most trimmer users.
Are Replacement Line Spools Easy to Find for Cordless Trimmers?
Are replacement line spools easy to find? Usually, yes; most cordless trimmers use common sizes sold at hardware stores and online. Compatibility varies by brand and model, so checking the manual prevents mismatched purchases.
How Much Maintenance Do Cordless String Trimmers Require?
Cordless string trimmers require minimal maintenance: keep the cutting line stocked, clean debris from the head, charge batteries properly, and inspect for wear. Occasional lubrication and tightening help, but they generally need far less upkeep than gas models.
Conclusion
Choosing the right cordless string trimmer in 2026 may seem simple—until the first overgrown corner, stubborn edge, or dwindling battery tests your patience. From lightweight 2-in-1 models to powerful 60V options, each trimmer on this list offers a different path to a cleaner yard. The best choice often depends on one quiet question: which tool will still feel reliable after the season’s toughest trim? The answer may surprise more than one homeowner.
