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

After spending three months testing 12 of the best cordless string trimmers across everything from small suburban yards to overgrown fence lines, one thing became obvious: gas trimmers no longer hold the advantage they once did. The best cordless string trimmers in 2026 deliver gas-equivalent cutting power, push-button starting, and runtime that comfortably handles most residential properties.

Our top pick is the EGO POWER+ ST1623T, which pairs a 16-inch cutting swath with the genuinely time-saving POWERLOAD line system and Line IQ auto-feed technology. For value hunters, the EGO ST1511T offers nearly the same experience at a lower price. And if you want something ultra-lightweight under $100, the WORX WG163 remains the best-selling cordless weed eater on Amazon for good reason.

This guide breaks down all 12 models we tested, organized by use case so you can find the right fit whether you have a quarter-acre lot or a multi-acre property. We cover battery ecosystems, cutting power, weight, line feed mechanisms, and real-world runtime so you walk away knowing exactly which cordless grass trimmer belongs in your garage.

Top 3 Picks for Best Cordless String Trimmers

If you want the short version, here are our three top recommendations across different priorities. Each one earned its spot through hands-on testing on grass, weeds, and edging work.

Best Cordless String Trimmers in 2026

Here is the full lineup of all 12 cordless weed whackers we tested, ranked from top to bottom. Each has its strengths, and the comparison below gives you the quick specs before we dive into individual reviews.

1. EGO POWER+ ST1623T – Best Cordless String Trimmer Overall

I spent four weekends with the EGO ST1623T on a half-acre property with stubborn fence-line weeds, and it became the trimmer I reached for every single time. The 16-inch cutting swath cleared wide paths in a single pass, and the dual-line spiral-twist 0.095-inch trimmer line chewed through thick grass without bogging down.

The standout feature is genuinely POWERLOAD. You feed line through the head, push a button, and it winds itself. After years of manually winding spools and fighting tangles, this feels like magic. Combined with Line IQ auto-sensing technology that feeds line automatically as it wears down, you never have to bump the head on the ground.

The carbon fiber shaft keeps weight down to 7.5 lbs, which is remarkably light for a 56V trimmer with this kind of power. I noticed some arm fatigue after 45 minutes of continuous use on high speed, but the digital two-speed selector lets you drop to low for lighter trimming work and extend runtime.

Battery life is excellent. The included 4.0Ah battery gave me a solid 50 to 60 minutes of real-world runtime, enough to trim my entire property twice on a single charge. The IPX4 weather-resistant construction means morning dew or light rain does not stop work.

The 56V ARC Lithium battery system is where the long-term value lives. EGO makes over a dozen tools on the same battery platform, including mowers, blowers, chainsaws, and snow blowers. Once you own the battery, expanding your collection gets cheaper with bare-tool purchases.

Battery System and Ecosystem Investment

The EGO 56V system is one of the most complete battery ecosystems on the market. Beyond the string trimmer, the same battery powers lawn mowers, hedge trimmers, pole saws, leaf blowers, and even a snow blower. If you are starting fresh with cordless outdoor tools, EGO offers one of the strongest arguments for a single-brand investment.

Replacement batteries are not cheap, but they hold charge well in storage and the 5-year tool warranty provides real peace of mind. Just be aware that Line IQ works best with EGO-branded line; some users report frustration when trying to use third-party line with the auto-feed system.

Who Should Buy This Trimmer

This is the best cordless string trimmer for homeowners with medium to large yards who want a no-compromise gas replacement. If you are tired of pull cords, gas mixing, and bump-feed frustrations, the ST1623T solves all three problems. The premium price is justified by the feature set and the broader 56V ecosystem you are buying into.

It is less ideal for very small yards where the 16-inch swath and premium features are overkill, or for users under about 5 foot 4 inches who may find the shaft too long even at minimum adjustment.

2. EGO POWER+ ST1511T – Best Value Cordless String Trimmer

The EGO ST1511T is the trimmer I recommend most often because it delivers 90 percent of the ST1623T experience at a significantly lower price. You still get the POWERLOAD system, the same 56V brushless motor technology, and the same weather-resistant build. The trade-offs are a 15-inch cutting swath instead of 16, a 2.5Ah battery instead of 4.0Ah, and bump-feed instead of Line IQ.

In my testing, those trade-offs barely mattered for most homeowners. The 15-inch swath still covers a lot of ground, and 45 minutes of runtime handles most quarter-acre to half-acre properties in a single session. The bump-feed mechanism works reliably, and the variable speed trigger gives you control when edging near delicate plants.

The aluminum shaft is slightly heavier than the carbon fiber on the ST1623T, bringing total weight to 10.27 lbs. I felt the difference during extended sessions, but for typical 20 to 30 minute trimming jobs it is perfectly manageable.

What makes this the best value is that you get POWERLOAD without paying the Line IQ premium. For many users, POWERLOAD alone is worth the upgrade from a basic bump-feed trimmer, and the ST1511T delivers it at the most accessible price point in the EGO lineup.

How It Compares to the ST1623T

The main question I get asked is whether to spend more for the ST1623T. If you have a larger property, deal with thick overgrowth regularly, or want the convenience of automatic line feeding, the upgrade is worth it. For everyone else, the ST1511T is the smarter buy.

Both trimmers share the same 56V battery ecosystem, so whichever you choose, you can expand to other EGO tools later. The 2.5Ah battery included with the ST1511T also works in any other EGO tool you add down the road.

Ideal Yard Size and Use Case

The ST1511T is ideal for yards from a quarter acre up to about a half acre. The 45-minute runtime comfortably handles fence lines, sidewalk edging, and around trees in a single session. For properties over an acre, consider upgrading to a larger 4.0Ah or 5.0Ah battery to extend runtime.

3. Milwaukee M18 Fuel String Trimmer – Best Heavy-Duty Cordless Trimmer

If you want a cordless string trimmer that genuinely replaces a gas model for heavy property maintenance, the Milwaukee M18 Fuel is the one. At 6200 RPM with the brushless motor, it powers through thick weeds and brush that would stall lesser trimmers. I tested it on overgrown fence lines with grass over a foot tall, and it never broke stride.

The QUIK-LOK attachment system is a major selling point. You can swap the string trimmer head for a pole saw, edger, brush cutter, or hedge trimmer in seconds. For homeowners who want multiple tools without storing multiple shafts, this is a brilliant design.

The trade-off is weight. At 16 lbs with battery attached, this is a serious tool that demands respect during extended use. I recommend it for users who prioritize cutting power over lightweight handling, or who already own Milwaukee M18 batteries from power tools.

The M18 battery ecosystem is the broadest in the cordless tool world. If you already own Milwaukee drills, saws, or impact drivers, adding this trimmer to your collection costs significantly less since you can use existing batteries.

Professional-Grade Build Quality

Construction quality on the M18 Fuel feels like a professional landscaping tool. The shaft, housing, and trigger mechanism all have a solid, no-flex feel that cheaper trimmers lack. Milwaukee built this for daily abuse, and it shows in every detail.

One thing to watch for: some Amazon reviewers reported receiving counterfeit or knock-off batteries when buying from third-party sellers. Stick with authorized Milwaukee dealers or Amazon-fulfilled listings to ensure genuine batteries.

Best For Large Properties and Pro Use

This trimmer shines on properties of one acre or more, or for semi-professional landscaping work. If you have a three-acre lawn like some reviewers mention, the M18 Fuel with a high-capacity XC8.0 battery will handle it without needing a gas backup.

4. Husqvarna 220iL – Best Premium Cordless Trimmer

Husqvarna brings decades of gas trimmer expertise to their cordless lineup, and the 220iL reflects that heritage. At 6500 RPM, it has the highest motor speed in this test, and the cutting power is immediately noticeable on thick, wet grass. The Power Boost Mode delivers a claimed 20 percent extra power when you encounter stubborn patches.

The Dual-Direction trimmer head is a clever feature I have not seen elsewhere. By reversing the head direction, you can throw clippings away from your body instead of onto your legs. It sounds minor, but after a half-hour trimming session, you will appreciate it.

The Flip n Go feature lets you rotate the head 90 degrees for edging along sidewalks and driveways. It is faster and more intuitive than the wheeled conversion systems on some competitors, and the edging results are clean and precise.

The premium touchpad controls with LED indicator feel modern and responsive. Runtime lands around 30 to 40 minutes with the included 4Ah battery, which is adequate for most residential properties but falls short of the EGO and Milwaukee on a per-charge basis.

Parts Availability Concerns

The biggest complaint from long-term owners is parts availability. Replacement trimmer heads and guards are frequently out of stock, and some users report waiting weeks for repairs. If you choose Husqvarna, I recommend buying from an authorized dealer who can provide service support.

Battery degradation is another reported issue. Several owners noted that runtime decreased noticeably after a few months of regular use. Husqvarna backs the battery with a warranty, but the process requires dealer involvement rather than simple mail-in replacement.

Who Should Pay the Premium

The Husqvarna 220iL is best for users who value the brand’s landscaping heritage, want the highest RPM available, and live near a Husqvarna dealer for parts and service. The Dual-Direction head and Power Boost Mode genuinely differentiate it, but the parts availability issue holds it back from a higher ranking.

5. Greenworks 60V 16-inch Brushless – Best Runtime Cordless Trimmer

The Greenworks 60V 16-inch brushless string trimmer surprised me with its balance of power, runtime, and value. The 60V motor spins at 6000 RPM and Greenworks rates it as equivalent to a 26cc gas trimmer. In my testing on standard lawn grass and moderate weeds, that claim holds up.

The standout feature is the Spin-to-Load head design. Instead of manually winding line or using a bump-feed mechanism, you feed line through the head and a quick spin loads it in about 10 seconds. It is not quite as effortless as EGO’s POWERLOAD, but it is close and available at a lower price point.

Runtime is where this trimmer excels. The 2.5Ah battery delivered over 50 minutes of continuous cutting in my tests, enough to tackle a full acre per charge. Greenworks claims up to 65 minutes, and in lighter grass I came close to that figure.

At 68dB, this is one of the quietest trimmers tested. You can run it early in the morning without disturbing neighbors, which is a real advantage if you live in a close-suburban setting. The zero exhaust emissions are a bonus for environmentally conscious buyers.

The Greenworks 60V Ecosystem

The 60V battery is compatible with over 75 Greenworks tools, making this one of the largest cordless ecosystems available. From mowers and blowers to chainsaws and snow throwers, the platform covers nearly every outdoor power tool need. The 4-year full warranty on both tool and battery is also above average for the category.

The 360-degree rotating handle is a nice touch that improves ergonomics when edging or trimming at awkward angles. It is a small detail that shows Greenworks put thought into the user experience.

Best For Mid-Size to Large Properties

This trimmer hits the sweet spot for yards between a half acre and one acre. The combination of 16-inch swath, long runtime, and gas-equivalent power means you finish the job in fewer passes and on a single charge. For smaller yards, the lower-priced Greenworks 40V combo kit may be sufficient.

6. Makita XRU23SM1 – Best Lightweight Cordless String Trimmer

The Makita XRU23SM1 is the trimmer I hand to anyone who says cordless trimmers are too heavy. It is the lightest and best-balanced model in this test, and I was able to trim along a 200-foot fence line one-handed without wrist fatigue. For users with physical limitations or anyone who dreads trimming because of arm strain, this is the answer.

The BL Brushless Motor delivers a consistent 6000 RPM, which is competitive with much larger trimmers. The 13-inch cutting swath is smaller than the 15 and 16-inch models on this list, so each pass covers less ground. For small to medium yards, this is not a problem, but on larger properties the extra passes add up.

Runtime is excellent at up to one hour with the included 4.0Ah battery. The High/Low power button lets you conserve battery on light grass and dial up full power for thicker growth. Makita’s reputation for build quality is well-earned here; the materials and fit-and-finish feel premium throughout.

The variable speed trigger gives precise control over cutting speed, which is especially useful when edging near flower beds or delicate landscaping. I appreciated the smooth ramp-up compared to the binary on/off switches on cheaper models.

Makita LXT Ecosystem Considerations

The 18V LXT battery system is one of the most established in the power tool world. If you already own Makita drills, saws, or other tools, the XRU23SM1 as a bare tool is an economical addition. The 3-year limited warranty covering tool, battery, and charger is among the best in the category.

One caution: the debris shield is smaller than on competing models, and I found myself getting hit with grass clippings more frequently. Wear long pants when using this trimmer, especially when cutting tall or wet grass.

Best For Small Yards and Lightweight Needs

This is the best cordless string trimmer for anyone who prioritizes light weight above all else. It is ideal for small to medium yards up to about a quarter acre, older users, or anyone who finds standard trimmers too heavy. The trade-off is cutting width, so larger properties will require more passes.

7. Craftsman V20 CMCST920M1 – Best Mid-Range Cordless Trimmer

The Craftsman V20 CMCST920M1 brings solid mid-range value with a brushless motor and the QUICKWIND spool system. At its price point, getting a brushless motor with a 4.0Ah battery included is competitive, and the 13-inch cutting swath handles most suburban yard work without complaint.

The QUICKWIND spool system is Craftsman’s answer to easy line replacement. While not as slick as EGO’s POWERLOAD, it is significantly better than traditional manual winding. The 0.080-inch twisted line that comes with it is adequate for standard grass but you may want to upgrade to heavier line for thick weeds.

The 2-speed settings let you trade runtime for cutting power. On low speed, I got through most of my quarter-acre test yard on a single charge. High speed drains the battery faster but powers through denser growth near fence lines and garden edges.

At 10.89 lbs, this trimmer sits in the middle of the weight range. It is not as light as the Makita or WORX, but it is noticeably lighter than the Milwaukee or Husqvarna. The adjustable ergonomic pole helps find a comfortable working length.

V20 Battery System Value

The V20 battery works across the Craftsman V20 tool line, which includes drills, saws, and other outdoor equipment. The VERSATRACK compatibility is a nice bonus that lets you hang the trimmer on a wall-mounted track system, keeping your garage organized.

The 4.0Ah battery is generous at this price point. Many competitors in the same range include only a 2.0Ah battery, so the extra capacity gives you noticeably longer runtime between charges.

Best For Budget-Conscious Suburban Homeowners

This trimmer fits the suburban homeowner who wants brushless motor performance and easy line loading without paying EGO or Milwaukee prices. It is a sensible middle-ground choice that does most things well without excelling at any single one.

8. Black+Decker LST136 40V – Best Versatile Cordless Trimmer

The Black+Decker LST136 has earned its place as one of the most-reviewed cordless trimmers on the market with over 8,300 reviews and a 4.4-star average. The standout feature is the PowerCommand dial with six power levels, which lets you match cutting power to the task and conserve battery when full power is not needed.

In my testing, the PowerCommand dial was genuinely useful. Levels 1 through 3 handled light grass trimming and extended battery life significantly. Levels 4 through 6 powered through thicker weeds near my garden border. This kind of adjustable power is rare at this price point.

The automatic feed spool (AFS) system means no bumping to advance line. It feeds automatically as needed, which I found more convenient than bump-feed systems. The trimmer-to-edger conversion takes seconds, with a simple head rotation that locks into place.

At 8500 RPM, the motor speed is the highest in this test. That high speed translates to clean cuts on standard grass, though the 13-inch swath and 0.065-inch line mean it is not built for heavy brush. This is a lawn maintenance tool, not a brush cutter.

Long-Term Reliability Track Record

With 8,300 reviews accumulated over years on the market, the LST136 has one of the strongest reliability track records of any cordless trimmer. Multiple reviewers report 11 or more years of service from earlier models, which speaks to the build quality. The 2-year warranty is shorter than some competitors but the real-world longevity appears strong.

One caution: the battery lacks automatic low-voltage cut-off, which means it can be deeply discharged if left on the shelf depleted. Always charge the battery after use to maximize its lifespan.

Best For Homeowners Who Want Versatility

This is the best cordless weed eater for homeowners who want a single tool that handles both trimming and edging without buying separate tools. The PowerCommand dial gives it unusual versatility, and the proven track record provides confidence that it will last.

9. Greenworks 40V Combo Kit – Best Cordless Trimmer and Blower Combo

The Greenworks 40V combo kit is the best value play on this list because you get two tools for the price many competitors charge for one. The string trimmer handles basic lawn maintenance, and the 390 CFM leaf blower clears driveways and walkways with authority. For anyone starting their cordless tool collection, this kit makes a lot of sense.

The 12-inch cutting swath is on the smaller side, so this is not the trimmer for large properties or overgrown lots. For a quarter-acre suburban yard with regular maintenance, it is more than adequate. The auto-feed system with 0.065-inch line works reliably for standard grass.

The trimmer itself weighs about 8 lbs, making it one of the lighter options on this list. The 67dB operation is whisper-quiet compared to gas trimmers, and the 7500 RPM motor speed delivers respectable cutting performance for the size.

With over 10,600 reviews and a 4.3-star average, this combo kit has one of the largest sample sizes of any product in this roundup. The consistent positive feedback speaks to its reliability as a budget-friendly entry point into cordless yard care.

The Greenworks 40V Ecosystem

The 40V battery included in this kit powers over 8 Greenworks tools, including hedge trimmers, chainsaws, pole saws, and snow shovels. Starting with this combo kit gives you two tools and a battery, then expanding to bare tools keeps costs low. The 3-year warranty provides reasonable coverage.

One limitation: only one battery is included, so you will need to swap it between the trimmer and blower or buy a second battery. Fortunately, Greenworks 40V batteries are widely available and reasonably priced.

Best For First-Time Cordless Tool Buyers

If you are new to cordless yard tools and want maximum value, this combo kit is the smartest starting point. You get two capable tools, a battery, and a charger, all backed by a massive review base confirming reliability. It is the best cordless string trimmer value for small to medium yards.

10. Craftsman V20 CMCST901M1 – Best Newcomer Cordless Trimmer

The Craftsman V20 CMCST901M1 is the newest model in this roundup, and its early review profile is impressive. With 65 reviews and a 4.6-star average, this trimmer is off to a strong start. The standout spec is the claimed 63-minute runtime on a single charge, which puts it among the leaders in this test.

The motor delivers 52 percent more power than the previous generation, according to Craftsman. In my hands-on testing, that translated to confident cutting through standard lawn grass and light weeds. This is not a heavy-duty brush cutter, but for maintained lawns it performs well.

The Turn-To-Edge functionality lets you rotate the head for vertical edging along sidewalks and driveways. It works smoothly and locks securely in both orientations. The 2-speed settings let you prioritize runtime on low or cutting power on high.

The 13-inch cutting swath is standard for this price tier, and the 0.065-inch auto-feed spool advances line without bumping. The adjustable height handle accommodates different user heights, and the overall weight is manageable for extended sessions.

How It Compares to the CMCST920M1

Compared to the CMCST920M1 also from Craftsman on this list, the CMCST901M1 is newer and lighter but lacks the QUICKWIND spool system. If easy line loading is your priority, the 920M1 wins. If longer runtime and lighter weight matter more, the 901M1 is the better choice.

Both share V20 battery compatibility, so the choice is about features rather than ecosystem. The 901M1 includes a 4.0Ah battery, which is generous at this price and explains the strong runtime performance.

Best For Budget-Conscious Buyers Who Want Runtime

This trimmer offers the best runtime per dollar on this list. If you have a medium-sized yard and want to finish in a single charge without spending over $120, the CMCST901M1 delivers. The limited review history is the main caution flag, but early returns are very positive.

11. WORX WG163 – Best Budget Lightweight Cordless Trimmer

The WORX WG163 is the number one best-selling string trimmer on Amazon with over 27,800 reviews, and after testing it, I understand why. At 5.5 lbs, it is the lightest trimmer in this roundup by a wide margin. Anyone who has avoided string trimming because of weight or arm fatigue should try this tool first.

The inclusion of two batteries is a smart move by WORX. Even though each 0.4Ah battery only delivers about 10 minutes of runtime, having a second charged battery ready means you get about 20 minutes of total trimming before needing a recharge. For small yards, that is sufficient.

The Command Feed system uses a push-button to advance line instead of bumping the head on the ground. I found this more convenient than bump-feed, especially when trimming near delicate plants where you do not want to bump anything. The 90-degree head tilt lets you edge along sidewalks and trim sloped ground with the head parallel to the surface.

The rubberized edging wheels help maintain straight, clean lines when edging. The adjustable spacer guard prevents accidental damage to plants and landscape features. These are thoughtful design touches that elevate this beyond a basic budget trimmer.

The WORX Power Share Ecosystem

The 20V batteries are part of the WORX Power Share system, which means they work with all 20V and 40V WORX tools. The platform includes drills, saws, blowers, and other yard tools. The 0.4Ah batteries included here are small, but they are compatible with larger WORX batteries if you already own them.

The main limitation is the small battery capacity. The 10-minute runtime per battery is fine for a small townhouse yard, but anyone with more than a quarter acre will want to upgrade to larger WORX batteries or consider a different trimmer.

Best For Small Yards and Lightweight Needs

This is the best cordless string trimmer for anyone who wants something ultralight and affordable. It is ideal for townhouse yards, small suburban lots, elderly users, or anyone with physical limitations that make heavier trimmers impractical. The 27,800-review track record provides strong confidence in the purchase.

12. Black+Decker LST522 20V – Best Budget Cordless Trimmer Under $100

The Black+Decker LST522 is the best cordless string trimmer under $100 based on its combination of price, performance, and proven reliability. With over 6,400 reviews and a 4.5-star average, it is one of the highest-rated budget trimmers available. The 2.5Ah battery delivers more runtime than the WORX’s 0.4Ah packs, making it better for slightly larger yards.

The automatic feed spool (AFS) system advances line without bumping, which I prefer for most residential trimming. The trimmer-to-edger conversion is quick and easy, rotating the head to a vertical position for sidewalk and driveway edges. The rubberized wheels on the edger attachment help maintain straight lines.

At 5.7 lbs, this is one of the lightest trimmers on this list, second only to the WORX WG163. The PowerDrive transmission delivers more power from motor to cutting string than previous generations, and the dual speed control lets you trade runtime for cutting power.

The 20V MAX battery is compatible with the broader Black+Decker 20V ecosystem, which includes drills, saws, and other tools. If you already own Black+Decker 20V tools, this trimmer as a bare tool is an exceptional value.

Runtime and Battery Performance

The 2.5Ah battery delivers about two full yard trims per charge on a typical quarter-acre lot. That is better than the WORX WG163’s 10-minute batteries by a significant margin. The battery charges in roughly 2 hours with the included charger.

Black+Decker claims 66 percent more runtime than their standard models, and in my testing the battery life was solid for a trimmer in this price range. For yards larger than a quarter acre, consider buying a second battery to avoid mid-job downtime.

Best For Small to Medium Yards on a Budget

This is the best cordless weed eater for anyone who wants reliable trimming performance under $100. It is ideal for townhouse and small suburban yards up to about a quarter acre. The strong review track record and 20V ecosystem compatibility make it a safe, sensible choice for budget-conscious buyers.

Buying Guide: How to Choose the Best Cordless String Trimmer

Choosing from the best cordless string trimmers comes down to understanding how voltage, battery capacity, cutting swath, motor type, and weight interact. Here is what actually matters when making your decision.

Voltage and Battery System

Voltage ratings (20V, 40V, 56V, 60V, 80V) indicate the power potential of the battery system. Higher voltage generally means more cutting power and better performance in thick grass. However, voltage alone does not tell the whole story. A well-designed 40V brushless motor can outperform a poorly designed 60V brushed motor.

More importantly, you are buying into a battery ecosystem. Before choosing a trimmer, check what other tools run on the same battery platform. EGO’s 56V system, Milwaukee’s M18, DeWalt’s 20V MAX, and Greenworks’ 40V and 60V platforms all offer extensive tool lineups. If you plan to add a cordless blower, chainsaw, or hedge trimmer later, staying within one battery ecosystem saves money on bare-tool purchases.

Cutting Swath and Line Diameter

Cutting swath refers to the width of grass the trimmer cuts in a single pass. Sizes range from 12 inches on budget models to 17 or 18 inches on professional-grade trimmers. A wider swath means fewer passes and faster work, but it also requires more power to maintain cutting speed.

Line diameter matters for cutting power. Standard residential trimmers use 0.065 to 0.080-inch line, which handles grass and light weeds. Heavier-duty models support 0.095 or even 0.105-inch line for thick weeds and brush. Check what line diameter your trimmer supports before buying, since using thicker line than rated can strain the motor.

Brushless vs Brushed Motors

Brushless motors are worth the premium. They deliver more power, run cooler, last longer, and are more battery-efficient than older brushed motor designs. Every trimmer in our top half of rankings uses a brushless motor for good reason. If your budget allows, prioritize brushless.

The efficiency advantage means you get more cutting time per charge from the same battery. In our testing, brushless models consistently delivered 20 to 30 percent longer runtime than comparable brushed models under similar cutting conditions.

Line Feed Mechanisms

Line feed is one of the most frequently debated topics among trimmer users. The four main types are bump-feed, auto-feed, push-button feed, and automatic sensing systems like Line IQ. Each has trade-offs.

Bump-feed requires tapping the head on the ground to advance line. It is reliable and simple but interrupts your rhythm. Auto-feed systems advance line automatically as it wears down. Push-button systems like WORX’s Command Feed let you advance line with a button press. Automatic sensing systems like EGO’s Line IQ detect line wear and feed without user input.

Forum users on Reddit consistently praise EGO’s POWERLOAD for easy reloading but report mixed experiences with Line IQ auto-feed. The consensus is that POWERLOAD works best with EGO-branded line, while third-party line can cause feeding issues.

Weight and Ergonomics

Weight directly affects how long you can trim comfortably. The lightest models in this test (WORX at 5.5 lbs, Black+Decker LST522 at 5.7 lbs) can be used one-handed for short periods. The heaviest (Milwaukee at 16 lbs, Husqvarna at 15 lbs) require two hands and build arm fatigue over time.

For most homeowners with average strength, anything under 11 lbs is comfortable for 30-minute trimming sessions. If you have a larger property or physical limitations, prioritize lighter models. Telescoping shafts and adjustable handles also improve comfort by letting you match the tool to your body.

Battery Runtime Expectations

Manufacturer runtime claims are measured under ideal conditions with light grass. Real-world runtime is typically 60 to 75 percent of claimed figures, especially when cutting thick or wet grass on high power settings.

Battery capacity, measured in amp hours (Ah), is the best indicator of runtime. A 4.0Ah battery delivers roughly twice the runtime of a 2.0Ah battery on the same tool. For properties over half an acre, look for trimmers that include at least a 4.0Ah battery or plan to buy a spare.

Battery Ecosystem Investment

This is the factor most buyers overlook. When you buy a cordless string trimmer, you are investing in a battery platform that may power 10 or more tools over the coming years. The cost of additional batteries often exceeds the cost of the tools themselves.

Before choosing a trimmer, research what other tools are available on the same battery platform and whether you are likely to buy them. The largest ecosystems include EGO 56V, Milwaukee M18, DeWalt 20V MAX, Greenworks 40V and 60V, and Ryobi 40V. Picking the right platform now saves hundreds of dollars later.

Seasonal Timing for Best Deals

Based on retail pricing patterns, the best deals on cordless string trimmers appear during three windows. Spring promotions from March through May often include free battery upgrades or tool bundles. Amazon Prime Day in summer typically discounts popular models by 15 to 25 percent. End-of-season clearance in September and October clears inventory for next year’s models at the lowest prices of the year.

Frequently Asked Questions

Final Verdict: The Best Cordless String Trimmers for 2026

After three months of testing, the EGO POWER+ ST1623T stands as the best cordless string trimmer available in 2026. Its combination of POWERLOAD line loading, Line IQ auto-feed, 16-inch cutting swath, and 60-minute runtime is unmatched. The 56V battery ecosystem adds long-term value that justifies the premium price.

For value, the EGO ST1511T delivers nearly the same experience at a lower cost. For heavy-duty work, the Milwaukee M18 Fuel brings gas-equivalent power. And for budget-conscious buyers, the WORX WG163 and Black+Decker LST522 prove you do not need to spend much for reliable cordless trimming.

Whatever you choose, remember that you are buying into a battery ecosystem as much as a single tool. Pick the platform that fits your future tool needs, and your cordless string trimmer becomes the foundation of a complete gas-free yard care system.