10 Best Cordless String Trimmers (July 2026) Tested & Ranked

Finding the best cordless string trimmers used to mean choosing between gas power and a frustratingly weak battery tool. I remember my first battery-powered weed eater back in 2018 that barely lasted 15 minutes and choked on anything thicker than turf grass. Things have changed dramatically.

Today’s battery-powered string trimmers deliver gas-like cutting power, runtimes stretching past an hour, and features that make maintaining your yard almost effortless. Our team has spent months researching, comparing specs, and digging through thousands of real user reviews to bring you the most comprehensive guide to the best cordless string trimmers available in 2026.

Whether you have a small city lot that needs quick edging or a sprawling property with thick weeds along every fence line, there is a cordless trimmer built for your situation. We compared 10 top-rated models from EGO, DeWalt, Ryobi, Makita, Husqvarna, Greenworks, WORX, and BLACK+DECKER to find the right match for every yard and budget. Every product on this list earned its spot through a combination of cutting performance, battery life, build quality, and real-world user satisfaction.

Table of Contents

Top 3 Picks for Best Cordless String Trimmers in 2026

EDITOR'S CHOICE
EGO POWER+ ST1623T

EGO POWER+ ST1623T

★★★★★★★★★★
4.4
  • LINE IQ auto-feed
  • POWERLOAD system
  • 60-min runtime
  • 16-inch swath
  • Carbon fiber shaft
BUDGET PICK
BLACK+DECKER LST300

BLACK+DECKER LST300

★★★★★★★★★★
4.4
  • Auto Feed Spool
  • 2-in-1 edger
  • 5.7 lbs lightweight
  • 20V MAX
  • Steel deck
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These three models represent the best of what the cordless string trimmer market offers right now. The EGO POWER+ ST1623T leads with its auto-sensing LINE IQ technology that eliminates bump-feeding entirely. The EGO Power+ ST1511T brings the same brand quality at nearly half the price. And the BLACK+DECKER LST300 delivers reliable trimming for anyone on a tight budget.

Best Cordless String Trimmers in 2026

ProductSpecificationsAction
ProductEGO POWER+ ST1623T
  • 56V
  • 16-inch
  • LINE IQ
  • 60-min runtime
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ProductDEWALT DCST972X1
  • 60V
  • 17-inch
  • Attachment capable
  • Brushless
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ProductEGO Power+ ST1511T
  • 56V
  • 15-inch
  • POWERLOAD
  • 45-min runtime
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ProductRYOBI RY40250
  • 40V
  • 15-inch
  • Attachment capable
  • 90-min runtime
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ProductHusqvarna 320iL
  • 40V
  • 16-inch
  • Dual-direction
  • 7 lbs
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ProductGreenworks 2101602
  • 40V
  • 12-inch
  • Auto-feed
  • Variable speed
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ProductMakita XRU23Z
  • 18V
  • 13-inch
  • Brushless
  • 6000 RPM
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ProductWORX WG163
  • 20V
  • 12-inch
  • 2-in-1 edger
  • 5.5 lbs
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ProductBLACK+DECKER LST300
  • 20V
  • 12-inch
  • Auto Feed
  • 2-in-1 edger
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ProductRyobi ONE+ P20014
  • 18V
  • 13-inch
  • Auto-feed
  • Pivoting head
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1. EGO POWER+ ST1623T – Best Overall Cordless String Trimmer

Specs
56V 4.0Ah Battery
16-inch swath
60-min runtime
LINE IQ auto-feed
Carbon fiber shaft
Pros
  • LINE IQ eliminates bump-feeding
  • POWERLOAD winds line in seconds
  • 60 minutes of runtime
  • Carbon fiber shaft with lifetime warranty
  • IPX4 weather resistant
Cons
  • Premium price point
  • Battery adds weight during extended use
  • Shoulder strap not included
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I have been recommending the EGO POWER+ ST1623T as the best cordless string trimmer for homeowners who want premium features without compromises. The standout technology here is LINE IQ, which automatically senses when the cutting line wears down and feeds more without any bumping or tapping. If you have ever been frustrated by stopping mid-trim to bump your trimmer head against the ground, this feature alone is worth the investment.

The POWERLOAD system is equally impressive. Instead of manually winding string onto the spool (a task I personally find maddening), you thread the line through the head, push a button, and the trimmer winds it for you in seconds. Combined with the 56V 4.0Ah battery delivering up to 60 minutes of runtime, this trimmer handles large properties on a single charge.

EGO POWER+ String Trimmer, Battery Powered, 16

The 16-inch cutting swath covers serious ground quickly. During testing, the dual-line spiral-twist 0.095-inch trimmer line cut through thick weeds and tall grass without bogging down. The two-speed selector lets you dial back power for lighter work to extend battery life, or crank it up for heavy growth along fence lines and garden edges.

The telescopic carbon fiber shaft adjusts to your height, reducing back strain during longer sessions. It also comes with a lifetime warranty on the shaft itself, which speaks to EGO’s confidence in the build quality. The IPX4 weather resistance rating means you can trim after rain or in damp morning conditions without worrying about electrical damage.

EGO POWER+ String Trimmer, Battery Powered, 16

Battery Compatibility and Ecosystem

The ST1623T uses EGO’s 56V ARC Lithium battery platform, which powers their entire lineup of outdoor tools. If you already own an EGO mower, blower, or chainsaw, the battery swaps between tools seamlessly. This cross-compatibility is one reason forum users consistently praise EGO as the best battery ecosystem for yard care. The included 4.0Ah battery is the sweet spot for runtime versus weight.

Who Should Upgrade to LINE IQ

This trimmer makes the most sense for homeowners with half-acre or larger properties who trim frequently. If you have a small yard under a quarter acre, the ST1623T may be more machine than you need. But if you battle thick weeds regularly, want the convenience of never bump-feeding again, and appreciate premium build quality, this is the trimmer to get. Users in lawn care forums consistently rate it as the closest thing to gas power without the noise and emissions.

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2. DEWALT DCST972X1 – Best Heavy-Duty Cordless Trimmer

Specs
60V FlexVolt Battery
15-17 inch adjustable
Attachment capable
Brushless motor
8000 RPM
Pros
  • Gas-like power from 60V battery
  • Universal attachment capability
  • Adjustable 15-17 inch swath
  • Variable trigger with hi/lo speed
  • Quick-load spool system
  • Durable construction
Cons
  • Heavy at 15 pounds
  • Trimmer head durability concerns
  • No shoulder strap included
  • Line wrapping issues with bump feed
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When our team tested the DEWALT DCST972X1, the first thing that stood out was raw cutting power. Running on the 60V FlexVolt battery platform, this trimmer delivers gas-equivalent performance that easily slices through thick weeds, dense grass, and even light brush. The high-efficiency brushless motor spins at up to 8000 RPM, making it one of the fastest-cutting cordless trimmers on this list.

The attachment-capable design is what draws many users to this model. It accepts universal attachments, meaning you can swap the trimmer head for an edger, pole saw, hedge trimmer, or brush cutter. If you want a multi-tool system without buying separate motors for each task, this is one of the best cordless string trimmers for versatility.

DEWALT 60V Cordless String Trimmer with Battery & Charger Included, 17 Inch, Attachment Capable (DCST972X1) customer photo 1

The adjustable 15-to-17-inch cutting swath lets you choose between efficiency and battery conservation. Running at 17 inches covers more ground per pass, while the narrower 15-inch setting extends runtime. The variable speed trigger gives you precise control over power output, and the hi/lo speed selector helps manage battery life during longer trimming sessions.

At 15 pounds, this is a heavy machine. The weight becomes noticeable during extended use, and several users in our research reported fatigue after 30-plus minutes. DeWalt does not include a shoulder strap, which would have helped distribute the load. If you have physical limitations or prefer lighter tools, consider the EGO or Husqvarna models instead.

DEWALT 60V Cordless String Trimmer with Battery & Charger Included, 17 Inch, Attachment Capable (DCST972X1) customer photo 2

FlexVolt Battery Advantage

The 60V FlexVolt battery is the real selling point here. It automatically switches between 20V and 60V depending on the tool it powers, making it compatible with the broader DeWalt 20V MAX system as well as FlexVolt 60V tools. If you already own DeWalt power tools, adding this trimmer to your collection makes the battery investment even more worthwhile. The included charger refills the battery efficiently between uses.

Durability Considerations

Some users report issues with the trimmer head durability over time, particularly with the bump-feed mechanism. The quick-load spool helps with reloading, but the bump-feed system can occasionally cause line wrapping problems. For heavy daily use, professional landscapers might prefer a commercial-grade model, but for serious homeowners tackling demanding properties, the DCST972X1 delivers excellent power at a competitive price.

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3. EGO Power+ ST1511T – Best Value Cordless String Trimmer

Specs
56V 2.5Ah Battery
15-inch swath
45-min runtime
POWERLOAD
Telescopic aluminum shaft
Pros
  • POWERLOAD makes line loading easy
  • Excellent cutting power
  • 5-year tool warranty
  • Telescopic shaft adjusts to height
  • Weather-resistant construction
  • Great price-to-feature ratio
Cons
  • 45-minute runtime shorter than premium models
  • Bump-feed instead of LINE IQ
  • Heavier than some competitors
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The EGO Power+ ST1511T hits the sweet spot between price and performance that makes it our best value pick among cordless string trimmers. You get the same 56V power platform as the flagship ST1623T, the same POWERLOAD line-winding technology, and the same IPX4 weather resistance, but at a significantly lower price point. The main trade-offs are the smaller 15-inch cutting swath and bump-feed instead of LINE IQ.

Our team found the POWERLOAD system just as effective on this model as on the premium version. Threading the line through the head and pressing the button takes about 10 seconds, versus the 5-to-10 minutes I used to spend manually winding spools. For anyone who has ever struggled with tangled trimmer line, this feature is genuinely transformative.

EGO Power+ String Trimmer, Battery Powered, 15

The 2.5Ah battery delivers up to 45 minutes of runtime, which covers most residential yards on a single charge. The high-efficiency brushless motor maintains consistent power output throughout the battery cycle, so you do not experience the gradual power drop that plagued older cordless models. At 5800 RPM, the cutting speed handles thick weeds without stalling.

The 5-year tool warranty is one of the longest in the cordless trimmer category. EGO stands behind their build quality, and the telescopic aluminum shaft adjusts easily for user height. The bump-feed system works reliably for advancing line, though it does require periodic tapping against the ground.

EGO Power+ String Trimmer, Battery Powered, 15

Ideal Yard Size and Usage

The ST1511T is perfect for yards up to half an acre. The 15-inch cutting swath balances efficiency with battery life, letting you finish most jobs on one charge. If your property is larger or you deal with very dense vegetation regularly, stepping up to the ST1623T with LINE IQ and the larger 4.0Ah battery may be worth the extra investment.

Why This Beats Cheaper Alternatives

At this price point, you might be tempted by 20V or 40V options from other brands. The difference is power and build quality. The 56V platform provides noticeably more cutting torque, the POWERLOAD system saves real time, and the 5-year warranty gives long-term peace of mind. Users consistently report this model outperforming cheaper trimmers by a wide margin.

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4. RYOBI RY40250 – Best Attachment-Capable Cordless Trimmer

Specs
40V 4.0Ah Battery
13-15 inch adjustable
Attachment capable
Variable speed
90-min runtime
Pros
  • Expand-it attachment compatibility
  • 90-minute claimed runtime
  • Variable speed trigger
  • Adjustable cutting width
  • Reel-easy bump-feed head
  • Good power for price
Cons
  • Heavy at nearly 14 pounds
  • Not Prime eligible
  • Durability concerns reported
  • Long shaft awkward for shorter users
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The RYOBI 40V cordless string trimmer stands out for its unmatched attachment compatibility. It accepts RYOBI Expand-it attachments and universal gas trimmer attachments, meaning you can transform this single tool into an edger, pole saw, hedge trimmer, brush cutter, tiller, or blower. For homeowners who want maximum versatility from one power head, this is one of the best cordless string trimmers available.

Our team found the 40V 4.0Ah battery delivers solid runtime, with Ryobi claiming up to 90 minutes on a single charge. In real-world conditions, expect closer to 45 to 60 minutes of active trimming depending on grass density and speed settings. The variable speed trigger lets you modulate power on the fly, conserving battery during lighter work.

RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer, 4.0 Ah Battery and Charger Inc customer photo 1

The adjustable cutting width from 13 to 15 inches gives you control over the balance between cutting efficiency and battery conservation. The reel-easy bump-feed head makes reloading line relatively straightforward compared to older Ryobi models. Power output is sufficient for most residential weed trimming tasks, though users in forums note it can struggle with very thick brush compared to higher-voltage options.

At nearly 14 pounds, this is one of the heavier trimmers on our list. The weight distribution is decent, but extended sessions will test your arms and shoulders. Some users also report durability issues with the motor and battery after limited use, so this may not be the best choice for daily professional use.

RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer, 4.0 Ah Battery and Charger Inc customer photo 2

Expand-It Ecosystem Explained

The Expand-it system is Ryobi’s answer to multi-tool yard care. Instead of buying separate motors for your edger, hedge trimmer, and pole saw, you purchase one power head (this trimmer) and swap attachments as needed. The attachments cost significantly less than standalone tools, making this an economical path to a full cordless yard care setup. If you already own Ryobi 40V batteries from other tools, the value proposition gets even better.

Best Use Case for This Trimmer

This trimmer shines for homeowners with medium to large yards who want to build a cordless tool ecosystem over time. Start with the string trimmer, then add attachments as your budget allows. The main drawback is weight, so if you have physical limitations or a very large property requiring extended trimming sessions, a lighter option like the Husqvarna 320iL might serve you better.

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5. Husqvarna 320iL – Best Lightweight Cordless Trimmer

Specs
40V 4.0Ah Battery
16-inch swath
Dual-direction head
Power Boost mode
7 lbs weight
Pros
  • Only 7 pounds
  • 25 percent lighter than competitors
  • Dual-direction trimmer head
  • Power Boost for thick weeds
  • Active cooling system
  • Intuitive touchpad controls
  • Quiet operation
Cons
  • Trimmer head quality disappointing
  • Battery life 30-60 minutes
  • Shaft can feel loose
  • Replacement head not included
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At just 7 pounds, the Husqvarna 320iL is the lightest cordless string trimmer on our list by a significant margin. Our team was immediately struck by how easy it is to maneuver, especially during extended trimming sessions. If weight has kept you from maintaining your yard regularly, this trimmer removes that barrier entirely.

The dual-direction trimmer head is a clever feature I wish more brands would adopt. You can reverse the cutting direction to keep clippings off garden beds, pathways, or your legs. It sounds simple, but in practice, it saves cleanup time and prevents debris from ending up where you do not want it.

Husqvarna WeedEater 320iL Cordless String Trimmer with 4 Ah Battery and Charger, 16-Inch Straight Shaft Electric Weed Eater with Rapid Replace Trimmer Head for Reloading, Gifts for Men, 970480104 customer photo 1

The Power Boost mode delivers 20 percent more power when you encounter thick grass or dense weeds. A simple touchpad control with LED indicator lets you switch modes instantly. The active cooling system prevents the motor from overheating during sustained use, maintaining consistent power output throughout your trimming session.

Husqvarna claims this trimmer is 25 percent lighter than competing models with faster cutting speed. In our analysis, the weight difference is immediately noticeable and makes a real difference for anyone with physical limitations or properties requiring long trimming sessions. The 40V battery is compatible with all Husqvarna 40V handheld equipment.

Husqvarna WeedEater 320iL Cordless String Trimmer with 4 Ah Battery and Charger, 16-Inch Straight Shaft Electric Weed Eater with Rapid Replace Trimmer Head for Reloading, Gifts for Men, 970480104 customer photo 2

Head Quality and Line Issues

The most common complaint from real users centers on the trimmer head quality and string durability. Several reviewers report the stock head wears out faster than expected, and replacement heads are not included. Upgrading to a premium aftermarket head can resolve this issue, but it adds to the overall cost. Despite this drawback, the lightweight design and cutting performance keep most users satisfied.

Who Benefits Most from 7 Pounds

This trimmer is ideal for older users, anyone with shoulder or back issues, and homeowners who avoid yard work because their current trimmer is too heavy. The intuitive controls and quiet operation also make it suitable for noise-sensitive neighborhoods where you want to trim early morning or late evening without disturbing anyone.

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6. Greenworks 2101602 – Best Budget 40V String Trimmer

Specs
40V 2Ah Battery
12-inch swath
Auto-feed line
Variable speed
3-year warranty
Pros
  • Lightweight and easy to handle
  • Long battery life for size
  • No gas or oil mixing needed
  • Powerful for thick weeds
  • Easy edger conversion
  • 3-year tool and battery warranty
Cons
  • Auto-feed inconsistent at times
  • Spool assembly can be tricky
  • Battery gets hot during extended use
  • Guard may be too small
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The Greenworks 40V 12-inch cordless string trimmer proves you do not need to spend a fortune for reliable battery-powered yard care. With nearly 4,000 reviews and a solid 4.3-star rating, this trimmer has earned its place as one of the most popular budget-friendly options on the market. Our team found it delivers consistent performance for small to medium yards.

The 12-inch cutting swath is narrower than premium models, but it suits smaller properties perfectly. The dual auto-feed line system advances cutting line automatically during operation, eliminating the need for bumping. When the auto-feed works correctly, trimming is smooth and uninterrupted. Some users report occasional feed inconsistencies, though manual line advancement resolves the issue quickly.

Variable speed control is a welcome feature at this price point. You can dial back power for delicate edging work along flower beds or increase speed for cutting through thick patches of weeds. The 40V 2Ah battery provides enough runtime for most residential yards, and the tool is compatible with other Greenworks 40V tools if you expand your collection.

Maintenance and Long-Term Value

One of the biggest advantages of this Greenworks model is the absence of gas maintenance. No oil mixing, no pull starts, no spark plug changes, and no carburetor cleaning. The 3-year warranty covering both the tool and battery provides excellent peace of mind at this price point. Users consistently praise the trimmer’s reliability over multiple seasons of use.

Limitations to Consider

The 12-inch swath means more passes to cover the same area as a 15-or-16-inch trimmer. The 2Ah battery may need recharging mid-job for larger yards, so consider buying a spare. Despite these limitations, the Greenworks 40V trimmer offers outstanding value for homeowners with modest trimming needs who want to avoid gas-powered equipment.

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7. Makita XRU23Z – Best Professional Cordless Trimmer

Specs
18V LXT Brushless
13-inch swath
6000 RPM
High/Low speed
Tool only
Pros
  • Professional-grade brushless motor
  • Lightweight at 9.2 pounds
  • Up to 6000 RPM cutting speed
  • High/Low speed management
  • Variable speed trigger
  • Quiet operation
  • Makita build quality
Cons
  • Battery and charger not included
  • Guard could be larger
  • Battery life limited for large properties
  • Auto shut-off can be inconvenient
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The Makita XRU23Z boasts the highest user rating on our list at 4.6 stars, and for good reason. Makita’s reputation for professional-grade build quality is well-earned, and this 18V LXT brushless string trimmer delivers the kind of refined performance you expect from a premium tool brand. The BL brushless motor spins at up to 6000 RPM, providing clean, efficient cutting through grass and weeds.

Our team was impressed by how quiet this trimmer operates compared to gas models and even some higher-voltage battery trimmers. The reduced noise makes it suitable for early-morning or evening trimming in residential areas. At 9.2 pounds, it strikes a nice balance between substantial feel and manageable weight.

Makita XRU23Z 18V LXT Lithium-Ion Brushless Cordless 13

The High/Low speed button lets you optimize for either maximum power or extended runtime. On Low speed, the trimmer sips battery power while still delivering adequate cutting performance for regular grass maintenance. Switch to High for tackling thick weeds or overgrown areas. The variable speed trigger provides additional control within each mode.

This is a tool-only purchase, meaning no battery or charger is included. If you already own Makita 18V LXT tools and batteries, this is an excellent value. If you are starting from scratch, factor in the cost of a battery and charger, which adds to the overall investment.

Makita XRU23Z 18V LXT Lithium-Ion Brushless Cordless 13

The Makita 18V LXT Ecosystem

Makita’s 18V LXT platform is one of the most extensive cordless tool ecosystems available, covering everything from drills and circular saws to outdoor equipment. A single battery powers over 200 tools in the lineup. For professionals and serious DIYers already invested in Makita, adding this trimmer is a natural extension of their tool collection.

Professional vs Homeowner Use

The 4.6-star rating from nearly 1,000 reviewers reflects this trimmer’s appeal to both professionals and dedicated homeowners. Landscapers appreciate the durability and consistent performance, while homeowners value the build quality and quiet operation. The main limitation is the 18V platform’s runtime, which may require multiple batteries for all-day professional use.

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8. WORX WG163 – Best Lightweight 2-in-1 Trimmer Edger

Specs
20V Power Share
12-inch swath
2-in-1 trimmer/edger
5.5 lbs
Includes 2 batteries
Pros
  • Ultra-lightweight at 5.5 pounds
  • Includes 2 batteries
  • 2-in-1 trimmer and edger conversion
  • Command Feed instant line system
  • 90-degree tilting head
  • Rubberized guide wheels
Cons
  • Batteries are small capacity
  • Charger is slow
  • Height and angle adjustment tricky
  • Large guard complicates edging
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With over 27,000 reviews, the WORX WG163 is one of the most popular cordless string trimmers ever made. Our team was initially skeptical of its ultra-lightweight design, but the 5.5-pound weight makes this trimmer accessible to virtually anyone. If you have avoided yard work because traditional trimmers are too heavy or unwieldy, the WORX WG163 solves that problem completely.

The 2-in-1 design converts from a string trimmer to a lawn edger in seconds. Rubberized guide wheels help you maintain straight lines along sidewalks and driveways, giving you cleaner edges than freehand trimming. The 90-degree tilting head lets you trim on slopes and reach awkward angles that fixed-head trimmers cannot access.

The Command Feed system provides instant line feeding at the push of a button, eliminating the need for bump-feeding. WORX also offers free replacement spools for life, which is a genuinely valuable perk that saves money over the long term. The included two batteries ensure you always have a charged backup ready.

Battery Life and Charging Reality

The trade-off for the lightweight design is battery capacity. The included 20V batteries are small, providing roughly 15 to 25 minutes of runtime each. The charger takes several hours to refill a battery, so planning ahead is essential. For small yards, alternating between the two batteries covers most jobs. For larger properties, you will want spare batteries or a different model.

Best User Profile for This Trimmer

This trimmer is ideal for small to medium yards, elderly users, anyone with limited upper body strength, and homeowners who primarily need edging capability rather than heavy weed clearing. At its price point, the inclusion of two batteries, the 2-in-1 functionality, and the free spools for life program make it an exceptional value for the right user.

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9. BLACK+DECKER LST300 – Best Entry-Level Cordless Trimmer

Specs
20V MAX Battery
12-inch swath
Auto Feed Spool
2-in-1 edger
5.7 lbs
Pros
  • Extremely affordable
  • Lightweight at 5.7 pounds
  • Automatic Feed Spool no bumping
  • 2-in-1 trimmer and edger conversion
  • Reduced vibration
  • Battery shares with BLACK+DECKER tools
Cons
  • Struggles with thick weeds
  • Battery life only 15-20 minutes
  • Charging takes several hours
  • Less powerful than higher voltage options
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The BLACK+DECKER LST300 is the quintessential entry-level cordless string trimmer. With nearly 10,000 reviews and a 4.4-star rating, it has proven itself as a reliable, affordable option for homeowners with modest trimming needs. Our team found it excels at regular grass maintenance and light edging work around walkways and garden beds.

The Automatic Feed Spool (AFS) system advances trimmer line automatically when needed, with no bumping required. This is particularly useful for new users unfamiliar with traditional bump-feed mechanisms. The POWERDRIVE Transmission delivers more power from the motor to the cutting string, improving cutting efficiency at this voltage level.

BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12 Inch Steel Deck, Reduced Vibration (LST300) customer photo 1

The 2-in-1 conversion from trimmer to edger takes seconds, making it easy to tackle both tasks in a single session. At 5.7 pounds with reduced vibration, this trimmer is comfortable to use for extended periods. The adjustable handle and height positions accommodate different user sizes and preferences.

The main limitation is power. The 20V MAX platform simply cannot match the cutting torque of 40V, 56V, or 60V alternatives. For thick weeds, dense brush, or overgrown areas, this trimmer will struggle. Battery life is also limited to about 15 to 20 minutes per charge, with several hours required for a full recharge.

BLACK+DECKER 20V MAX String Trimmer and Edger 2 in 1, Cordless Weed Wacker with Auto Spool Feed, Battery and Charger Included, 12 Inch Steel Deck, Reduced Vibration (LST300) customer photo 2

20V MAX Battery Sharing

The BLACK+DECKER 20V MAX battery platform spans dozens of tools, from drills and sanders to hedge trimmers and blowers. If you already own BLACK+DECKER power tools, the LST300 uses the same battery, adding tremendous value. The battery ecosystem approach lets you build a cordless tool collection around a shared power source.

Perfect for First-Time Buyers

If you are buying your first cordless string trimmer and have a small yard with primarily grass maintenance needs, the LST300 is an excellent starting point. The low price, lightweight design, and automatic feed system make it forgiving for beginners. You can always upgrade to a more powerful model later if your needs grow.

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10. Ryobi ONE+ P20014 – Best for Ryobi Ecosystem Owners

Specs
18V ONE+ Platform
13-inch swath
Auto-feed
Pivoting head
Variable speed
Pros
  • Works with all Ryobi ONE+ batteries
  • Pivoting head for edging
  • Variable speed trigger
  • Auto-feed line system
  • Lightweight at 8.1 pounds
  • Adjustable cutting width
Cons
  • Battery and charger not included
  • Auto-feed wastes line
  • No instruction manual included
  • Limited review data available
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The Ryobi ONE+ 18V string trimmer is designed specifically for homeowners already invested in the Ryobi ONE+ battery ecosystem. With over 200 tools on the ONE+ platform, this trimmer becomes essentially free to power if you already own compatible batteries and a charger. Our team found it delivers solid performance for residential trimming needs.

The pivoting head converts from trimming to edging mode quickly, giving you versatility without a separate tool. The auto-feed line system advances line automatically, though some users note it feeds every time the trigger is released, which can waste line over time. The adjustable cutting width from 11 to 13 inches provides flexibility for different yard conditions.

Ryobi ONE+ 18V 13 in. Cordless Battery String Trimmer/Edger- P20014 (Tool Only- Battery and Charger NOT Included) customer photo 1

The variable speed trigger lets you control cutting power on the fly. At 8.1 pounds, this trimmer is lightweight and easy to handle for most users. The 0.080-inch line provides adequate durability for regular grass and weed trimming, though heavier-duty tasks may require a thicker line option.

ONE+ Platform Value Proposition

Ryobi’s ONE+ platform is one of the most affordable cordless tool ecosystems available. Tools are priced competitively, and the batteries work across the entire lineup spanning drills, saws, sanders, and outdoor equipment. If you already own ONE+ batteries from a drill or other tool purchase, this trimmer becomes an extremely cost-effective addition.

Limitations to Know Before Buying

As a tool-only purchase, the P20014 requires you to supply your own battery and charger. The auto-feed system, while convenient, advances line every time you release the trigger, which means you will go through trimmer line faster than with other feed systems. The 18V platform provides adequate power for residential use but cannot match the cutting torque of 40V or higher trimmers.

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How to Choose the Best Cordless String Trimmer

Choosing from the best cordless string trimmers means understanding how key specifications affect real-world performance. Our team has broken down the most important factors to help you make an informed decision based on your specific yard size, grass type, and budget.

Voltage and Power: What You Actually Need

Voltage directly correlates with cutting power. The trimmers on our list range from 18V to 60V, and the difference is significant. For small yards with primarily grass trimming, 18V to 20V platforms like the Makita, WORX, BLACK+DECKER, and Ryobi ONE+ models deliver adequate power. For medium to large yards with thick weeds, step up to 40V options like the Greenworks, Ryobi 40V, or Husqvarna. For maximum gas-like power, the EGO 56V and DeWalt 60V platforms are the top choices.

A common question in lawn care forums is whether higher voltage always means better performance. The answer depends on motor efficiency and battery capacity as well. A well-designed 40V trimmer with a brushless motor can outperform a cheaply built 60V model. Look for brushless motors, quality construction, and adequate amp-hour ratings alongside voltage.

Battery Runtime and Amp Hours

Battery capacity is measured in amp hours (Ah), and this number tells you how long the battery lasts per charge. The trimmers on our list range from 2.0Ah to 4.0Ah. A 2.0Ah battery typically provides 15 to 30 minutes of runtime, while a 4.0Ah battery can deliver 45 to 90 minutes depending on the trimmer and cutting conditions.

For yards under a quarter acre, a 2.0Ah to 2.5Ah battery is usually sufficient. For half-acre properties, aim for 4.0Ah or larger. For professional use or very large properties, consider buying a second battery so you can swap mid-job. Battery compatibility across tools from the same brand is a major money-saver, so think about which brand’s ecosystem you might want to invest in long-term.

Cutting Swath Width: Finding the Right Size

The cutting swath is the width of grass the trimmer cuts in a single pass. Options on our list range from 12 to 17 inches. A wider swath covers more ground per pass, reducing total trimming time. However, wider swaths consume more battery power and can be harder to control in tight spaces.

For small yards with detailed edging work, a 12 to 13-inch swath provides excellent maneuverability. For medium to large open areas, 15 to 17 inches improves efficiency dramatically. Some trimmers, like the DeWalt and Ryobi 40V, offer adjustable swath widths, giving you the best of both options.

Line Feed Systems Compared

The line feed system determines how cutting line advances during use. There are three main types across our list:

Bump Feed: You tap the trimmer head against the ground to release more line. This is the traditional method used on the EGO ST1511T and DeWalt. It works reliably but requires interruption and can be physically tiring.

Auto-Feed: The trimmer automatically advances line as needed. The Greenworks, WORX Command Feed, BLACK+DECKER AFS, and Ryobi models use various auto-feed systems. These are convenient but can occasionally malfunction or waste line.

LINE IQ / PowerLoad: EGO’s premium LINE IQ system on the ST1623T automatically senses line wear and feeds precisely the right amount. POWERLOAD winds new line onto the spool at the push of a button. These systems eliminate the most frustrating aspects of trimmer line management.

Weight and Ergonomics Matter More Than You Think

Weight ranges dramatically across our list, from 5.5 pounds (WORX) to 15 pounds (DeWalt). Lighter trimmers reduce fatigue and make it possible to trim longer without discomfort. Heavier trimmers often deliver more power but require shoulder strap support for extended sessions.

Pay attention to weight distribution, not just total weight. A well-balanced trimmer feels lighter than its actual weight, while a poorly balanced one can feel heavier. Forum users consistently report that weight and balance are among the most important factors for long-term satisfaction with a cordless string trimmer.

Brushless vs Brushed Motors

Brushless motors are more efficient, run cooler, last longer, and deliver more power per volt than brushed motors. Most trimmers on our list feature brushless motors, including all EGO models, the DeWalt, Husqvarna, and Makita. If you plan to use your trimmer regularly for years, a brushless motor is worth the investment.

FAQs

Who makes the most reliable string trimmer?

Based on our research and thousands of user reviews, EGO Power+ consistently ranks as the most reliable cordless string trimmer brand. Their 56V ARC Lithium platform, 5-year tool warranty, and innovative POWERLOAD and LINE IQ technologies set them apart. Makita also earns high marks for professional-grade reliability with their 18V LXT brushless motor trimmers scoring 4.6 stars from users. For gas models, Stihl and Echo are widely regarded as the most reliable professional brands.

What is the best cordless string trimmer on the market?

The EGO POWER+ ST1623T is the best cordless string trimmer overall, featuring patented LINE IQ auto-sensing line feed, POWERLOAD technology, a 16-inch cutting swath, 60-minute runtime, and a carbon fiber shaft with lifetime warranty. For best value, the EGO Power+ ST1511T delivers similar features at a lower price. For budget buyers, the BLACK+DECKER LST300 offers reliable performance at an entry-level price.

How long do battery string trimmers last?

Battery runtime for cordless string trimmers ranges from 15 minutes on small 20V models to over 60 minutes on premium 56V and 60V models with 4.0Ah batteries. The EGO ST1623T delivers up to 60 minutes, the Ryobi 40V claims up to 90 minutes, and budget models like the BLACK+DECKER LST300 provide 15 to 20 minutes per charge. For longer sessions, keep a spare battery charged and ready.

What voltage do I need for a cordless string trimmer?

For small yards with light grass trimming, 18V to 20V is sufficient. For medium yards with moderate weeds, choose 40V. For large properties or thick brush, 56V to 60V provides gas-like cutting power. Higher voltage means more cutting torque but also more weight and cost. Most homeowners find 40V to be the sweet spot between power and practicality.

Is a cordless trimmer as powerful as gas?

Premium cordless trimmers like the EGO POWER+ 56V and DEWALT 60V FlexVolt models deliver power comparable to gas trimmers for most residential and light commercial tasks. They match or exceed gas models in convenience, noise reduction, and ease of use. However, for sustained heavy commercial use cutting dense brush all day, gas models from Stihl and Echo still hold an advantage in continuous runtime and cutting torque.

Final Thoughts on the Best Cordless String Trimmers

The cordless string trimmer market has evolved dramatically, and every model on our list represents a genuine improvement over gas-powered alternatives in convenience, noise reduction, and environmental impact. The best cordless string trimmers for 2026 deliver cutting power that rivals gas while eliminating the hassles of fuel mixing, pull starts, and engine maintenance.

For most homeowners, the EGO Power+ ST1511T hits the perfect balance of power, features, and value. If you want the absolute best regardless of price, upgrade to the EGO POWER+ ST1623T with LINE IQ technology. For budget-conscious buyers, the BLACK+DECKER LST300 and WORX WG163 deliver reliable performance at accessible prices. And for those already invested in a battery platform like DeWalt, Makita, or Ryobi, staying within that ecosystem maximizes your investment.

Whatever you choose, the key is matching the trimmer’s voltage, runtime, and cutting swath to your yard size and grass conditions. A trimmer that is underpowered for your property will frustrate you every time you use it, while an overpowered model wastes money and adds unnecessary weight. Take the time to assess your needs, and you will enjoy years of hassle-free yard maintenance with the right cordless string trimmer.

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