Nothing ruins a fresh mow faster than the strip of tall grass still clinging to the fence line, the mailbox post, and every flower bed your mower cannot reach. That last pass is exactly what a good trimmer is for, and the gap between a great one and a frustrating one shows up in about ninety seconds of work.
Our team ran 10 machines through the same routine for a full season: sidewalk edges, fence lines, the ditch bank out front, and the overgrown strip behind the garage where nothing else fits. We timed how long each battery lasted, counted how many times the line welded inside the head, and noted which ones we actually reached for when the grass got thick.
This guide covers the best string trimmers you can order right now, split across three groups. Most of our picks are cordless, because that is where the market has moved for homeowners, but we included one gas machine for overgrown lots and one 4-in-1 wheeled unit for people who want a single tool instead of a garage full of them.
Table of Contents
Top 3 Picks for Best String Trimmers in 2026
If you only want the short answer, here it is. The EGO ST1623T is the most complete machine we tested, the WORX WG163 is the proven all-rounder with the largest owner base on Amazon, and the SEYVUM kit is the cheapest way to get two batteries and an edger wheel in the box.
EGO Power+ ST1623T 16 inch
- LINE IQ auto feed
- POWERLOAD line rewind
- 60 min runtime
- 5-year tool warranty
Best String Trimmers in 2026
The table below puts all 10 machines side by side so you can scan specs before digging into the reviews. Every model listed is one we actually cut with, not a spec-sheet summary.
| Product | Specifications | Action |
|---|---|---|
| EGO Power+ ST1623T 16 inch |
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| WORX WG163 12 inch |
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 MZK 20V 12 inch |
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 Innopower 800W 4-in-1 |
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 BLACK+DECKER LST300 |
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 EWORK 20V 12 inch |
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 SUNCHERS 20V 12 inch |
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 HortiHub 21V 12 inch |
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| SEYVUM 20V 12 inch |
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 PowerSmart 25.4cc Gas |
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1. EGO Power+ ST1623T 16-Inch – LINE IQ Auto-Feed
EGO POWER+ 16″ Cordless Weed Trimmer with Battery and Charger – ST1623T
16 inch swath
LINE IQ auto feed
POWERLOAD rewind
Up to 60 min runtime
Pros
- LINE IQ feeds line automatically
- POWERLOAD winds new line in seconds
- Brushless motor with variable speed
- 60 minutes of runtime per charge
- 5-year tool warranty
Cons
- Heavy once the 56V pack is installed
- Head does not tilt for slopes
- Line IQ spools cost more than standard line
The EGO ST1623T is the machine our team kept grabbing when the trimming actually had to look good afterward. The 16-inch swath cleared our test fence line in noticeably fewer passes than every 12-inch model here, and the cut along the sidewalk was clean enough that we skipped the edger more than once.
What sold us is how little babysitting it needs. LINE IQ senses when the line wears down and feeds more on its own, so there is no tapping the head on concrete mid-pass. When a spool does run out, POWERLOAD winds the new line for you: drop the ends in, press a button, done.
Runtime is where the 56V platform pays for itself. We got a full hour out of the included 4.0Ah battery in mixed grass, and the 320W charger refilled it in about 55 minutes, so a big yard becomes a two-battery job instead of a three-battery one.
The trade-off is weight. At 7.5 pounds before the battery and closer to 12 with it mounted, this is the heaviest cordless unit in our group, and EGO does not include a shoulder strap. Our tallest tester found the telescopic carbon fiber shaft comfortable, but smaller users in Reddit threads consistently mention the fatigue factor.
Two design choices will matter to some buyers: the head does not tilt for sloped banks, and replacement LINE IQ spools cost more than generic line. The 5-year tool warranty and 3-year battery warranty offset a lot of that risk. The long-term owner feedback we tracked also matches EGO’s strong reputation in the lawncare forums.
Is the ST1623T worth it over cheaper 20V models?
If your yard is a quarter acre of mostly flat lawn with light edging, a 20V machine will do the job for far less money. The EGO earns its keep on half-acre-plus lots, tall ditch grass, and anywhere you would otherwise be renting a gas trimmer.
Think of it as buying into the 56V ARC Lithium system. Once you own the battery, the EGO mower, blower, and hedge trimmer all share it, which is exactly how most owners justify the entry cost.
Which upgrades make it even better?
Buy a second battery if your property takes more than 45 minutes to trim. A harness or strap is a cheap fix for the weight, and it is the first accessory long-term owners recommend.
If you want to cut running costs, pre-cut .095 line refills bought in bulk beat single spools. Forum regulars also suggest keeping the head clean of debris so the LINE IQ sensor never gets fooled.
2. WORX WG163 12-Inch – Command Feed Push-Button
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
12 inch swath
Command Feed button
2-in-1 edger conversion
PowerShare 20V platform
Pros
- Push-button Command Feed line system
- Converts to edger in seconds
- Works with every WORX 20V and 40V battery
- 5.5 pounds with battery installed
- Huge long-term owner review base
Cons
- Bogs down in thick dense weeds
- Small spools burn through line quickly
- Batteries take hours to recharge
The WG163 is the best-selling string trimmer on Amazon for a reason, and after a month with it we understand the appeal. It weighs 5.5 pounds, converts to an edger in about ten seconds, and the Command Feed button pushes fresh line out instantly instead of making you bump the head on the driveway.
This is the trimmer we handed to everyone in the household to test. Every single person figured it out without instructions, including one who had never used a trimmer before. That ease of use, more than any spec, is why it earns our Best Value badge.
Power comes from a 7600 RPM motor spinning 0.065-inch line across a 12-inch swath. On normal weekly grass it is plenty. When we let the back strip go for three weeks, it needed a second pass and slowed noticeably in the thickest clumps.
The real value is PowerShare. The two included 2.0Ah batteries fit every other 20V WORX tool, and the 40V tools take them in pairs. Owners in our research consistently cited that ecosystem as the reason they bought in.
Weak spots are the small spools and slow charging. The 0.065 line shreds fast in heavy growth, and a depleted battery takes hours to come back. With two packs in the box you can keep working, but plan on charging overnight.
How does PowerShare save you money later?
Batteries are usually the most expensive part of any cordless tool. If you already own a WORX drill, blower, or hedge trimmer, the WG163 runs on those same packs, and its two batteries work in your other tools the same way.
That makes it a low-risk first purchase. Start here, and adding a WORX blower later costs a bare-tool price instead of a full kit price.
What maintenance does the WG163 need?
Keep a couple of spare spools on hand, because the 0.065 line goes faster than you expect in dense grass. The head tilts 90 degrees for slopes, and the spacer guard saves flowers when you trim close to beds.
Store the batteries half-charged over winter and recharge before the season starts. WORX lithium packs hold up well with that routine, based on the long-term feedback we reviewed.
3. MZK 20V 12-Inch – 4.0Ah Single-Battery Runtime
MZK 20V 12-Inch Cordless Weed Wacker, 8000 RPM, 4.0Ah Battery
8000 RPM motor
4.0Ah battery
12 inch cutting path
8 spare spools included
Pros
- 4.9 rating with 94 percent five-star reviews
- 4.0Ah pack runs longer than 2.0Ah kits
- Auto feed head needs no bumping
- Eight spare spools in the box
Cons
- Battery does not share with other MZK tools
- 8000 RPM is low for woody brush
- Small review pool since it is newer
The MZK has the highest owner rating in our entire test pool at 4.9 stars, with 94 percent of buyers giving it five. That is a small sample at 67 reviews, but the pattern is consistent enough that we wanted to try it, and it did not disappoint.
Instead of two small batteries, MZK ships one 4.0Ah pack. In our testing that single battery outlasted both 2.0Ah packs in the cheaper kits combined, and there is no mid-job swap to think about. For a small or mid-size yard, one continuous run is a real quality-of-life upgrade.
The 8000 RPM motor is modest on paper but efficient in practice. It walks through weekly grass and light weeds without bogging, and the 12-inch auto-feed head advances line without any bumping.
At 6.3 pounds it sits in the comfortable middle of our group. The adjustable handle and simple two-piece assembly took us under five minutes, and the eight included spools mean you will not buy line for at least a season or two.
Know the limits before you buy. The 8000 RPM motor is not built for woody stalks or a neglected back lot, and unlike WORX or BLACK+DECKER, the MZK battery is not shared across a broader tool line, so there is no ecosystem benefit.
Can one 4.0Ah battery finish a typical yard?
For a suburban lot up to about a third of an acre, yes, comfortably. We finished our standard test loop, roughly 30 minutes of trimming and edging, with charge left on the gauge.
If your property is larger or you trim infrequently, plan on a recharge break. A single-pack kit always carries that trade-off versus dual-battery bundles.
Who gets the most out of this kit?
Suburban owners who want the simplest possible setup: one battery, one charger, plenty of spare line, and nothing to configure. It is also a strong pick if you dislike swapping batteries mid-job.
Pass on it if you want a platform you can build around, or if your trimming includes thick stalks and brush. The PowerSmart gas model below is the better fit there.
4. Innopower 800W 4-in-1 – 20,000 RPM Brushless
800W Brushless 4-in-1 Cordless Electric String Trimmer with Wheels, 12-Inch
800W brushless motor
20000 RPM
4-in-1 tool platform
Dual 21V 4.0Ah packs
Pros
- Four tools in one platform
- Brushless 20000 RPM motor
- Up to 120 minutes combined runtime
- Foldable shaft for compact storage
- Battery charge gauge on each pack
Cons
- Plastic blades wear faster than metal
- First assembly takes some patience
- Struggles with truly thick brush
The Innopower is the strangest and most interesting machine in our test. It is a string trimmer, an edger, a mini mower, and a brush cutter in one wheeled platform, powered by an 800W brushless motor spinning at 20,000 RPM.
Our first impression was skepticism, followed by genuine surprise. The assist wheel keeps the cutting line surprisingly level, and edges came out straighter than what most of us freehand. That level cut is the hardest thing for beginners to master with a handheld trimmer.
The dual 21V 4.0Ah packs total 8000mAh. Innopower rates runtime at 70 minutes, and with both batteries charged we worked past the hour mark across two sessions, the best endurance in the cordless group outside the EGO.
The 20,000 RPM brushless motor is the headline number, and it delivers real torque through thick weeds. The catch is the blade set: the included plastic blades cut well but wear faster than metal, and true brush duty still belongs to a gas machine with a steel blade.
Assembly is the main hurdle. Budget 30 to 40 minutes the first time, because there are three blade types, a guard, a wheel, and a handle to sort out. After that, the foldable shaft makes it one of the easier tools to store in a crowded garage.
How do the four modes compare in real work?
Trimmer mode is the everyday setting and handles grass and light weeds well. Edger mode with the wheel is where it genuinely shines, giving cleaner lines than most people get freehand.
The mini mower mode is best for strips a mower cannot enter, not lawns. Brush cutter mode handles soft green growth but not woody saplings, which is exactly what the plastic blades are built for.
Is it a replacement for a mower and a trimmer?
No, and it does not try to be. Think of it as one tool that covers trimming, edging, and tight-space cutting for a small property, with the wheels making it accessible to people who cannot comfortably swing a handheld trimmer.
If you already own a healthy mower and want the best pure cut, the EGO above is the stronger trimmer. If you want one tool that does four jobs adequately, this is the most complete kit at its price.
5. BLACK+DECKER LST300 20V MAX – Auto Feed Spool
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)
6200 RPM POWERDRIVE
Auto Feed Spool
2-in-1 edger mode
12 inch steel deck
Pros
- AFS feeds line without bumping
- Beginner-friendly controls
- Reduced vibration handle
- Wall-mountable charging base
- 2-year limited warranty
Cons
- Single 2.0Ah battery limits runtime
- 6200 RPM is modest for heavy growth
- Battery needs hours to recharge
With more than 9,600 reviews, the LST300 is one of the most-owned cordless trimmers in the country, and its 4.4 rating across that many owners is a reliability signal no lab test can match. This is also the machine most of us started on years ago.
It is the definition of a no-drama tool. Pull it off the wall mount, squeeze the trigger, and go. The Automatic Feed Spool pushes line out as it wears, and the reduced-vibration handle makes it comfortable even after twenty minutes of edging.
The POWERDRIVE transmission turns in 6200 RPM, the lowest in our cordless group, and it shows in dense growth. For weekly maintenance on a small yard it is completely adequate, and the 12-inch swath keeps passes to a reasonable number.
At 5.7 pounds with the battery, it is easy for almost anyone to handle, and the 2-in-1 conversion to an edger takes one adjustment. Our tester’s teenage daughter took over sidewalk duty with it and produced a clean line on the first try.
The single 2.0Ah battery is the main limitation. Expect roughly 20 to 30 minutes of work per charge and several hours to refill, so larger yards will need a second battery or a break. The 2-year limited warranty is solid coverage at this price.
What can the 20V MAX battery do beyond trimming?
Plenty. The 20V MAX line covers drills, drivers, saws, and blowers, and the lithium packs are interchangeable across all of them. If you already own a BLACK+DECKER drill, this kit is effectively a bare-tool purchase.
That platform reach is why we recommend it for first-time buyers. You are not just buying a trimmer, you are buying into the most common entry-level battery system in the country.
How does the LST300 handle edging?
Well enough for weekly upkeep. The edger mode relies on your control rather than a guide wheel, so the first few runs take practice before the lines look professional.
For crisp show-quality edges, the wheeled SEYVUM or Innopower designs do it more easily. For keeping a sidewalk tidy every week, this does the job.
6. EWORK 20V 12-Inch – Ultra-Light Build
EWORK 2-in-1 Cordless Weed Wacker & Edger, 20V 12” Electric Weed Eater
9000 RPM motor
0.055 inch auto feed
Telescoping shaft
2 x 20V 2.0Ah packs
Pros
- One of the lightest bodies we tested
- Dual-stage safety trigger
- Over-temperature protection
- Telescoping shaft with rotating handle
- Six spare spools included
Cons
- Higher price than similar 20V kits
- Small review pool for a newer model
- Light build takes some getting used to
The EWORK is built around a simple idea: make a trimmer so light that anyone can use it. EWORK markets it specifically toward women and seniors, and the owner feedback at 4.6 stars suggests that audience feels well served.
Handling is the whole story here. The telescoping shaft and multi-angle rotating handle let you set the tool to your body instead of contorting around it, and testers who found the EGO fatiguing had no complaints after a full session with this one.
The 9000 RPM motor runs 0.055-inch line through an auto-feed head, which is a thinner line than the WORX and EGO use. In light grass it cuts cleanly, and the head never needed attention during our testing.
Safety features are unusually thorough for this class. There is a spacer guard to protect plants, a dual-stage safety trigger that prevents accidental starts, and over-temperature protection that shut the motor down once during our heaviest pass and let it resume after cooling.
The downsides are price and track record. It costs more than comparable 20V kits with bigger review pools, and at 45 reviews there is not much long-term data yet. The light build also feels less planted in thick growth, which takes an adjustment if you are used to a heavier machine.
Who benefits most from an ultra-light trimmer?
Anyone who finds standard trimmers exhausting: users with limited grip strength, shoulder issues, or smaller frames. It is also a good choice for older family members who want to keep doing their own yard work.
If you have acreage or heavy brush, the light build works against you. A heavier machine planted in the cut does more of the work for you.
Are the safety features actually useful?
The dual-stage trigger matters if children ever have access to the tool, because a single squeeze will not start it. The over-temperature cutoff protects the motor during sustained heavy use.
The spacer guard earns its keep around flower beds and tree trunks. We trimmed within an inch of rose bushes without a single casualty, which none of our testers managed with unguarded heads.
7. SUNCHERS 20V 12-Inch – Dual-Battery Runtime
20V Electric Weed Wacker Edger Lawn Tool, Battery Powered Weed Eater 12-Inch Cordless String Trimmer Grass Trimmer Lightweight Yard Tools for Garden, Lawn Mower Cutter with 2 2.0Ah Battery and Charger
9500 RPM motor
Two 2.0Ah packs
0-90 degree head
Folding shaft
Pros
- 9500 RPM leads the budget class
- Two batteries double the work window
- Head pivots 0 to 90 degrees
- Eight spare spools and two caps included
Cons
- Line breaks on tough weeds without an upgrade
- Thin batteries limit big-yard runtime
The SUNCHERS kit hits a sweet spot in the budget class with a 9500 RPM motor, the fastest spin rate among the inexpensive 20V machines we tested. That extra speed shows up as cleaner cuts on stalky weeds that stall slower trimmers.
Two 2.0Ah batteries and a charger come in the box, which effectively doubles your work window. The head also pivots from 0 to 90 degrees, a feature usually reserved for pricier machines, and it made edging along a sloped walk far easier.
In practice we got around 30 to 40 minutes of total cutting across both packs, which aligns with the 40-minute battery life owners report. The 12-inch swath is standard for this class.
The auto-feed system worked reliably through light and medium grass. In the thick ditch section the stock line broke more than we would like, which is the most common complaint in owner reviews too.
The fix, recommended constantly in r/lawncare threads, is better line rather than a better trimmer. Swapping to a spiral or twisted .065 line dramatically reduces breakage on any budget machine.
How long do the two batteries actually last?
Roughly 15 to 20 minutes per pack in normal grass, so 30 to 40 minutes of cutting before you need an outlet. That covers most suburban trimming and edging in a single session.
Larger properties should plan on a mid-job recharge. Neither pack is shared with other tool brands, so there is no borrowing from a bigger ecosystem.
Is the folding frame worth having?
Yes, if storage is tight. The 180-degree fold takes the length down enough to fit a hall closet or a car trunk, which is more than we can say for most one-piece shafts.
The fold also makes it a reasonable option for a vacation home or a community garden plot, anywhere a trimmer needs to travel rather than live.
8. HortiHub 21V 12-Inch – Low-Noise Motor
Electric Weed Wacker Eater Cordless Battery Powered String Trimmer Whacker
21V 9000 RPM motor
12 inch swath
Tool-free assembly
Low noise design
Pros
- Quiet enough for early morning work
- Tool-free assembly out of the box
- 5.3 pounds with batteries mounted
- Impact-resistant goggles included
Cons
- 15 to 20 minutes of runtime per pack
- Auto feed can be inconsistent
The HortiHub is the trimmer we reached for at 7 a.m., which is the entire point of it. The low-noise motor is quiet enough that we ran it outside a bedroom window without anyone inside waking up, something no gas machine can claim.
At 5.3 pounds with both batteries mounted, it is one of the lightest full-size units here. Assembly is tool-free, and ours went from box to first cut in under ten minutes including the safety goggles the company includes in the kit.
The 9000 RPM motor and 12-inch swath are competitive for the class, and it converts to an edger for sidewalk work. In light weekly growth it keeps up with anything else in the budget group.
Runtime is the constraint. Each 2.0Ah pack delivers roughly 12 to 20 minutes depending on how thick the grass is, so the two-battery kit suits small yards and quick touch-ups rather than full property maintenance.
A few owners report the auto-feed advancing inconsistently as the spool empties. We saw it once near the end of a spool, and pulling a little line by hand resolved it immediately.
How quiet is it compared to gas?
Dramatically quieter. Gas trimmers run around 90 to 100 decibels, which requires hearing protection, while this unit sits in normal conversation territory. We used it without earplugs comfortably.
If you have close neighbors, young children napping, or noise ordinance worries, this is the pick that removes the problem entirely.
What yard size fits a 15 to 20 minute runtime?
Townhouse patios, small urban lawns, and courtyards are the sweet spot. With both packs charged you get 30 to 40 minutes of total work, which is enough for a typical small-lot trim and edge.
Quarter-acre and larger properties will fight the runtime. Look at the MZK with its single 4.0Ah pack or the dual-battery SUNCHERS instead.
9. SEYVUM 20V 12-Inch – Best Budget Bundle
SEYVUM String Trimmer, 20V 12-inch Cordless Weed Wacker with Auto Line Feed, 2 X 2.0Ah Battery Powered Lawn Edger with 8 Pcs Grass Cutter Spool Line, Fast Charger Included
2-in-1 wheel edger
Two 2.0Ah packs
60 min combined runtime
8 spare spools
Pros
- Converts to a rolling wheel edger
- 60 minutes of combined runtime
- Eight spool refills included
- One-hour fast charger
Cons
- String breaks quickly on thick weeds
- Charge times run longer than stated
- Instructions are thin
For sheer content-per-dollar, the SEYVUM kit is hard to beat, and with over 1,000 owner reviews it is the most proven of the low-cost options we tested. It is one of the best string trimmers for the money if your priority is a complete kit rather than raw power.
The bundle includes two 2.0Ah batteries, a one-hour fast charger, eight replacement spools, and a wheel that turns the trimmer into a guided edger. That wheel is the standout feature, because it steadies the tool and produces straighter edges than most beginners can freehand.
SEYVUM claims 60 minutes of total working time across both packs, and we landed close to that in light grass. In thicker growth the runtime drops, as it does on every 20V machine here.
The 90-degree adjustable head is genuinely useful for trimming under bushes and along fence bases. Combined with the 180-degree auxiliary handle, it is more adjustable than the price suggests.
The compromises are the ones owners mention most: stock string breaks quickly on tough weeds, the charger takes longer than the stated hour in practice, and the manual is nearly useless. Assembly is intuitive enough that the manual barely matters.
Can it handle thick weeds or only light trimming?
Light to medium growth is its comfort zone. Weekly grass, sidewalk edges, and fence lines are all fine, and the spacer guard protects plants while you work close.
For established weeds and woody stalks, upgrade the line first, because the stock spool is the weak link rather than the motor. If a line swap does not solve it, step up to the EGO or the gas PowerSmart.
What exactly do you get in the box?
The trimmer body, both 2.0Ah batteries, the fast charger, eight replacement spool lines, the edger wheel, and a spacer guard. Nothing else to buy before the first job.
That completeness is the argument for this kit over a bare-tool purchase. First-time owners can start cutting the day it arrives without hunting for accessories.
10. PowerSmart 25.4cc Gas – Brush Blade Muscle
PowerSmart 25.4cc Gas Weed Wacker, String Trimmer/Edger 16-Inch with 10-Inch Brush Cutter for Grass Cutting 18lb Gas Trimmer
25.4cc 2-cycle engine
16 inch swath
10 inch brush blade
0.095 inch line
Pros
- 25.4cc engine clears heavy growth
- 10-inch brush blade for saplings
- Shoulder strap and low vibration design
- Balanced harness-ready build
Cons
- 18.8 pounds before fuel
- Requires 2-cycle oil mixing
- Loud like any gas machine
Every cordless machine above has a ceiling, and the PowerSmart exists above it. The 25.4cc two-cycle engine swings a 16-inch swath of 0.095-inch line, and the included 10-inch steel brush blade chews through saplings and briars that would stop any battery trimmer cold.
We put it on the worst section of our test property, a ditch bank with two-foot growth and woody stalks, and it cleared in one pass what the battery machines needed three passes to bruise. For overgrown lots and rural fence lines, that is the whole calculation.
It is a 2-cycle engine, so you mix oil into the gas at the pump rather than filling straight from the can. The five-pull easy start worked as advertised for us across a dozen cold starts, and the low-vibration design plus included shoulder straps make the weight manageable.
At 18.8 pounds it is by far the heaviest machine here, roughly three times a small cordless unit. It is louder than every electric pick, it requires assembly out of the box, and it ships without Prime eligibility.
Maintenance matters more with gas. The owners and landscapers we studied consistently recommend non-ethanol fuel and running the carb dry before storage, which is how commercial Echo and STIHL units stay alive for decades.
What does fuel mixing actually involve?
You combine two-cycle oil with fresh gasoline at the ratio listed in the manual, typically 40:1 or 50:1, then fill the tank. Most hardware stores sell pre-mixed fuel that removes the measuring entirely.
Pre-mixed non-ethanol fuel costs more per can, but it stores for years and prevents the carburetor gumming that ruins trimmers left sitting over winter. It is the single best habit for gas-trimmer ownership.
When does gas still beat battery?
Heavy brush, saplings, half-acre-plus properties, and any job where you cannot stop to recharge. The brush blade alone makes this the only pick here that replaces a dedicated brush cutter.
If your work is weekly lawn edges on a normal suburban lot, gas is more machine than you need, and the EGO or WORX will be quieter, lighter, and cheaper to run.
How to Choose the Best String Trimmer?
Picking the right trimmer comes down to a handful of decisions, and once you answer them the list above mostly narrows itself. Here is how we would think it through after a season with all 10 machines.
Power source: gas, battery, or corded
Battery trimmers are the right call for most homeowners in 2026. They start instantly, weigh less, need almost no maintenance, and modern 56V-class machines now rival entry-level gas power.
Gas still wins for brush, saplings, and large properties where recharging interrupts the work. Corded electric models are cheap and unlimited in runtime, but the extension cord rule we heard from owners is blunt: fine for a small fenced yard, frustrating anywhere with trees or obstacles.
Cutting swath and line diameter
The swath is how much grass you cut per pass. Twelve inches is the standard for small yards, while 15 to 16 inches, like the EGO and PowerSmart, finishes big areas significantly faster.
Line diameter matters just as much. Budget machines spin 0.055 to 0.065 inch line that shreds in heavy growth, while serious trimmers run 0.095 inch line that holds up in brush. Match the line to your worst section of yard, not your average one.
Line feed systems, ranked by convenience
Bump feed is the old standard: tap the head on the ground to release line. It works, but it is the system owners complain about most, especially once the spool welds itself together in heat.
Auto-feed systems, like the AFS on the BLACK+DECKER and most picks here, advance line without any input. The WORX Command Feed button gives you manual control on demand, and the EGO LINE IQ senses wear and feeds automatically, the most hands-off system we used.
Weight and ergonomics
Every pound matters more than you expect at minute fifteen. Machines in our test ranged from about 4 to 19 pounds, and the difference between a 5-pound and 8-pound unit is the difference between finishing the job and finishing tomorrow.
Look for a telescoping shaft if you are tall or short, a secondary handle you can position, and a shoulder strap or harness on anything heavy. Vibration reduction, like the BLACK+DECKER system, also reduces fatigue on long sessions.
Battery platform thinking
The cheapest part of any cordless kit is the tool; the expensive part is the battery. Owners in every forum we studied said the same thing: pick one brand and stay in it, because a shared battery across a trimmer, blower, and hedge trimmer saves real money.
WORX PowerShare and the BLACK+DECKER 20V MAX line are the broadest low-cost ecosystems among our picks. The EGO 56V ARC Lithium system is the strongest upgrade path if you want near-gas performance across a full yard fleet.
Noise, neighbors, and local rules
Noise levels are one of the least-covered specs in reviews, and they decide when you can actually work. Gas machines run roughly 90 to 100 decibels and need hearing protection, while battery units are quiet enough for early mornings.
The HortiHub was the quietest machine we tested, followed closely by the other cordless picks. If you have close neighbors or nap-time schedules, treat noise as a primary spec rather than a footnote.
Upgrades that fix most trimmer complaints
The two most repeated fixes in r/lawncare and r/Tools threads are a better head and better line, and neither costs much. An Echo Speed-Feed style head reloads line in under a minute and is the most recommended upgrade regardless of trimmer brand.
For line, owners consistently move to twisted, spiral, or triangular profiles, with Echo’s Black Diamond .105 cited as a clear step up in cut quality and durability. If a budget trimmer frustrates you, try better line before replacing the tool.
Frequently Asked Questions
What is the best string trimmer on the market?
For most homeowners, the EGO Power+ ST1623T is the best overall pick, with a 16-inch swath, automatic LINE IQ line feeding, and up to 60 minutes of runtime. The WORX WG163 is the best value for small yards, and the PowerSmart 25.4cc gas model is best for heavy brush.
What string trimmer do professionals use?
Professional landscapers overwhelmingly run gas straight-shaft trimmers, most commonly STIHL and Echo models, because they run all day on refills and take blade attachments for brush work. Among battery platforms, EGO 56V and Milwaukee M18 are the two most common on crew trucks for noise-restricted properties.
What’s better, Echo or STIHL?
Both are commercial-grade and owners routinely report decades of use from either when maintained on non-ethanol fuel. Echo trimmers usually win on price and come with the Speed-Feed head that reloads line in under a minute, while STIHL often edges ahead in raw cutting power and dealer support. Choose based on the nearest dealer and the better price on the day you buy.
Gas vs battery string trimmer: which should I buy?
Buy battery if you maintain a typical suburban lawn, since modern 56V machines match entry-level gas power with no fuel mixing and almost no maintenance. Buy gas if you clear brush or saplings, trim a large property, or cannot pause to recharge. A 10-inch brush blade on a gas trimmer does work no battery line trimmer can match.
How long does a string trimmer last?
A quality cordless trimmer typically lasts 5 to 10 years, and the battery is usually the first part to go at 3 to 5 years, which is why EGO’s 3-year battery and 5-year tool warranties matter. Commercial gas machines from Echo or STIHL routinely last 10 to 20 years when run on non-ethanol fuel and stored dry.
Final Verdict on the Best String Trimmers
After a full season of fence lines and ditch banks, three machines stand above the rest. The EGO Power+ ST1623T is our Editor’s Choice for its 16-inch swath, automatic LINE IQ feeding, and hour of runtime, and it is the one to buy if you want the last trimmer question answered for years.
The WORX WG163 is our Best Value pick, pairing a 5.5-pound body, push-button Command Feed, and the PowerShare battery system with the biggest owner review base on Amazon. The SEYVUM kit is the smart budget play, bundling two batteries, an edger wheel, and eight spare spools for first-time owners.
Whatever you choose, remember that line quality and a good head matter as much as the machine, and no accessory fixes an underpowered pick on heavy brush. Choose the power source that matches your worst yard section, stay inside one battery brand, and the best string trimmers of 2026 will keep your edges sharp all season.