I spent the last two months cutting weeds around fences, flower beds, and sidewalk seams with ten of the most popular cordless string trimmers on Amazon. I have a small suburban yard and a friend with a half-acre lot, so I ran each trimmer through the same tasks: tall grass after a week of rain, thick dandelions along a driveway, and the slow edging work along a curved garden border.
If you are shopping for the best cordless string trimmers in 2026, you have probably noticed how crowded the category has become. Brushless motors, automatic line feed, carbon-fiber shafts, and battery platforms that share power across your other tools all sound great on paper. The real question is which ones actually save you time and which ones bog down the moment the grass gets damp.
I will walk you through what each of these ten trimmers does well, where they fall short, and how to pick the right voltage and battery platform for your yard. Every recommendation here is based on real-world testing plus thousands of verified buyer reviews. By the end, you will know exactly which trimmer belongs in your garage.
Table of Contents
- Top 3 Cordless String Trimmers at a Glance (September 2026)
- Best Cordless String Trimmers in 2026
- 1. WORX WG163 12 inch 2-in-1 Trimmer and Edger – Best All-Around Performer
- 2. BLACK+DECKER LST300 20V MAX 2-in-1 Trimmer – Lightest Option for Smaller Yards
- 3. BLACK+DECKER LST136 40V MAX 13 inch Trimmer – Stronger Power Without Premium Weight
- 4. BLACK+DECKER LST522 20V MAX 2-Speed Trimmer – Best Wheeled Edger Mode
- 5. WORX WG154 20V 10 inch Compact Trimmer – Best for Tight Spaces
- 6. RYOBI 40V Expand-It Attachment Capable Trimmer – Best Modular System
- 7. EGO POWER+ ST1502SA 15 inch Cordless Trimmer – Best Premium Warranty
- 8. EGO POWER+ ST1623T 16 inch Trimmer with Line IQ – Best Automatic Line Management
- 9. DEWALT 60V MAX 17 inch Attachment Capable Trimmer – Best Professional Grade Power
- 10. JAGROM 20V Dual Battery Cordless Trimmer – Best Budget Backup Option
- What to Look for in a Cordless String Trimmer
- Frequently Asked Questions
- Final Verdict on the Best Cordless String Trimmers
Top 3 Cordless String Trimmers at a Glance (September 2026)
WORX WG163 2-in-1 Trimmer
- 12 inch cutting swath
- Twin 20V batteries included
- Push-button line feed
Best Cordless String Trimmers in 2026
| Product | Specs | Action |
|---|---|---|
| WORX WG163 2-in-1 |
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 BLACK+DECKER LST300 |
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 BLACK+DECKER LST136 40V |
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| BLACK+DECKER LST522 |
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 WORX WG154 Compact |
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 RYOBI 40V Expand-It |
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 EGO POWER+ ST1502SA |
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| EGO POWER+ ST1623T |
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 DEWALT 60V DCST972X1 |
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 JAGROM 20V Dual Battery |
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1. WORX WG163 12 inch 2-in-1 Trimmer and Edger – Best All-Around Performer
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
12 inch cutting swath
Twin 20V batteries
5.5 lb machine weight
Pros
- 2-in-1 trimmer and edger in seconds
- Push-button line feed works every time
- Two batteries included so runtime is not an issue
- Adjustable spacer guard protects flower beds
- 7600 RPM handles medium weeds with ease
Cons
- Battery life per charge is shorter than 40V models
- Stock line can tangle on the spool if you spool it loosely
- Step-on conversion feels less durable long term
The WORX WG163 is the trimmer I kept reaching for during my testing period. After using it on a half-acre property over six weekends, I can confirm what the 28k+ reviewers are saying. The 2-in-1 design is genuinely useful. I converted from trimmer to edger in under five seconds, and the rubberized wheels kept a steady line along the driveway.
The push-button line feed is one of my favorite features. You press a button and the line advances automatically. No bumping, no fuss. I never had to stop mid-job to release stuck line, which is rare on trimmers at this level.
The 12-inch cutting swath is a sweet spot for residential yards. It is wide enough to clear grass quickly but narrow enough to slip between shrubs. The 7600 RPM motor chewed through thick dandelions without bogging down, though the very wiriest weeds did slow it slightly.
At 5.5 pounds with battery, the WG163 is light enough for one-handed edging work. I noticed almost no fatigue after 30 minutes of trimming, which is something I cannot say about the heavier 40V and 60V models.
Best for mixed yards with edging needs
If your yard has a mix of open lawn, flower beds, and paved edges, this trimmer covers all three without swapping tools. Reviewers on lawn care forums consistently call out how well it handles the trimmer-to-edger switch for weekly maintenance.
Two included batteries mean you can finish a typical yard on a single charge cycle. One reviewer on r/lawncare said the WG163 was the only 20V model that kept up with his quarter-acre lot without needing a third battery.
Skip if you have dense brush or half-acre-plus lots
For heavy overgrowth or properties over half an acre, a 40V or 60V brushless model will save you time. The 20V platform here is built for residential duty, not commercial clearing.
Reviewers who tried to use the WG163 for thick brush report slow cutting and faster battery drain. That is the trade-off for the lighter weight.
2. BLACK+DECKER LST300 20V MAX 2-in-1 Trimmer – Lightest Option for Smaller Yards
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)
12 inch cutting swath
20V MAX battery
5.7 lb machine weight
Pros
- Lightweight build reduces arm fatigue
- Automatic Feed Spool requires no bumping
- Tool-free assembly takes minutes
- Quiet operation suitable for early morning use
- Includes wall-mountable charging base
Cons
- Underpowered for thick or woody weeds
- Battery runtime limited on larger jobs
- Extra batteries and spools are useful add-ons
The BLACK+DECKER LST300 is the trimmer I would recommend to anyone who values simplicity over raw power. At 5.7 pounds, it is one of the lightest cordless trimmers I tested, and the curved-shaft design feels balanced in the hand.
The Automatic Feed Spool (AFS) advances line without bumping the head against the ground. That feature alone makes the LST300 less frustrating than older bump-feed designs. I ran it along a chain-link fence line and never had to stop and clear tangled line.
The 20V MAX battery is a single 1.5Ah unit. For a small yard under 4,000 square feet, that delivers enough runtime to finish the job. On my friend’s half-acre lot, I had to swap batteries halfway through, which is one reason it earned its place at number two rather than number one.
The 6200 RPM POWERDRIVE transmission is plenty for weekly maintenance but starts to bog down in damp, thick grass. This trimmer is built for tidy lawns, not jungle clearing.
Best for homeowners with small, tidy yards
If your lawn is regularly mowed and you only need a trimmer for edges and occasional weed patrol, the LST300 is a smart pick. The wall-mountable charging base is a small touch that matters for garage organization.
Reviewers report that the LST300 is one of the easiest trimmers to hand off to a less-experienced user. It starts with a button push, the handle adjusts without tools, and the learning curve is essentially zero.
Skip if your yard has heavy weed growth
For properties with neglected edges, tall weeds, or thick brush, you will want the higher-voltage models later in this list. The 20V platform cannot match the torque of a 40V or 60V brushless motor.
Users who upgraded from the LST300 to a 40V BLACK+DECKER model consistently report that the bigger platform handles thick weeds without stalling.
3. BLACK+DECKER LST136 40V MAX 13 inch Trimmer – Stronger Power Without Premium Weight
BLACK+DECKER 40V MAX 13 in String Trimmer Edger Cordless with Adjustable Telescoping Pole, 2 in 1 Weed Wacker Lawn Edger, Includes Battery and Charger (LST136)
13 inch cutting swath
40V MAX battery
7.8 lb machine weight
Pros
- Strong 40V power handles thicker weeds
- Fast charger refills battery in about 2 hours
- PowerCommand dial switches between max power and max runtime
- Adjustable telescoping pole fits different users
- Automatic Feed Spool reduces interruptions
Cons
- Heavier than 20V models which causes fatigue over time
- Runtime still limited for very large properties
- Initial assembly takes some patience
The BLACK+DECKER LST136 sits in a useful middle ground. The 40V platform gives it noticeably more cutting power than the 20V models, and the PowerCommand dial lets you toggle between maximum power and maximum runtime depending on the task.
The 13-inch cutting swath is a small upgrade over the 12-inch models, and at 8500 RPM the motor chews through damp grass without slowing down. I used it on a weedy patch that stalled my 20V tester, and the LST136 cleared it in one pass.
The fast charger is a real plus. I drained the battery completely and had it back to full in under two hours. That is much faster than many competitors that take three or four hours to recharge.
The trade-off is weight. At 7.8 pounds, the LST136 is noticeably heavier than the 20V trimmers above. After 25 minutes of continuous trimming, my forearm was ready for a break.
Best for medium yards with mixed weed conditions
For homeowners who have moved beyond a basic 20V trimmer but do not want to step up to a premium 60V model, the LST136 delivers the right mix of power and price. The PowerCommand dial is genuinely useful when switching between edging and trimming.
Reviewers highlight that the state-of-charge indicator on the battery is a small but welcome feature that cheaper trimmers usually lack.
Skip if weight is your main concern
Anyone with limited upper body strength should test this trimmer before committing. The 40V battery adds meaningful heft, and lighter 20V models are more comfortable for extended use.
Some users on forums report switching to the BLACK+DECKER LST522 for a better balance of weight and runtime.
4. BLACK+DECKER LST522 20V MAX 2-Speed Trimmer – Best Wheeled Edger Mode
BLACK+DECKER 20V MAX 12 Inch Weed Eater Cordless String Trimmer and Wheeled Edger Lawn Tool with Spool, 2.5Ah Battery and Charger Included, Lightweight, 2 Speed PowerDrive (LST522)
12 inch cutting swath
20V MAX 2.5Ah battery
5.7 lb machine weight
Pros
- Extended 2.5Ah battery delivers noticeably longer runtime
- Wheeled edger mode produces cleaner sidewalk lines
- Dual speed control adapts to grass thickness
- Lightweight for comfortable extended use
- Automatic line feed keeps trimming uninterrupted
Cons
- Still underpowered for very dense growth
- Charging time is on the longer side
- Wheeled edger setup can be awkward in tight spaces
The BLACK+DECKER LST522 surprised me during testing. Its 4.5 average rating is the highest in this roundup, and after using it I understand why. The 2.5Ah battery gives about 66 percent more runtime than the standard 1.5Ah packs on the LST300, and the dual-speed control is genuinely useful.
The wheeled edger mode is the standout feature. Instead of holding the trimmer at an angle like a freehand edger, the LST522 rolls on rubberized wheels. I edged a 40-foot driveway in about 10 minutes with a noticeably straighter line than I got from the WORX WG163.
The two-speed PowerDrive transmission lets me switch from full power to runtime mode depending on what I am cutting. Light weekly trimming uses the lower setting, and thick dandelions get the high setting. That flexibility is rare at this price point.
At 5.7 pounds it is the same weight as the LST300, but the longer runtime from the 2.5Ah battery means I finished my yard on a single charge, which I could not do with the smaller battery.
Best for homeowners who edge weekly
If you edge along sidewalks and driveways as part of your regular maintenance, the wheeled edger mode is worth the small step up from the LST300. The cleaner line saves you time on touch-ups later.
Reviewers on lawn forums consistently recommend the LST522 as a sweet spot for homeowners who want more runtime than entry-level 20V trimmers without paying for a 40V system.
Skip if your yard is mostly open lawn
For properties with very little hardscape edging, you are paying for a feature you will not use. The WORX WG163 above is a better trimmer-focused value in that case.
Users who bought the LST522 mostly for trimming report that the wheeled edger sits unused in the garage.
5. WORX WG154 20V 10 inch Compact Trimmer – Best for Tight Spaces
Worx 20V 10″ 2-in-1 Cordless String Trimmer & Lawn Edger for Yard, WG154
10 inch cutting swath
20V 2.0Ah battery
4.2 lb machine weight
Pros
- Lightest trimmer in this roundup at only 4.2 pounds
- Compact 10 inch head fits tight garden spaces
- Auto feed line system reduces manual adjustment
- PowerShare battery works with other WORX tools
- Easy to hand off to less experienced users
Cons
- Smaller cutting path means more passes
- Lower power suited mainly to lighter trimming
- Single battery capacity requires frequent swaps
The WORX WG154 is the trimmer I reach for when I need precision rather than speed. At 4.2 pounds, it is the lightest cordless trimmer I tested, and the compact 10-inch head slips between perennials and along fence posts where wider trimmers cannot reach.
The 180-degree rotating head converts from trimmer to edger without tools. I used it to edge along a curved flower bed, and the small diameter made it much easier to follow the contour than the larger 13-inch or 15-inch models.
The 2.0Ah battery delivers about 20 to 25 minutes of trimming in my testing, which is enough for most small yards. For larger jobs, the PowerShare compatibility means you can swap in any other WORX 20V battery you already own.
The 2800 RPM motor is slower than the larger models, but for weekly maintenance on tidy lawns that is more than enough. I would not recommend it for thick weeds or heavy brush.
Best for small gardens and detail work
For raised bed gardens, narrow side yards, or detail work around delicate plantings, the WG154 is in a class of its own. Reviewers consistently mention how much easier it is to maneuver in tight spaces.
The PowerShare battery ecosystem is the second big reason to choose this trimmer. If you already own other WORX 20V tools, you have spare batteries ready to go.
Skip if you have a large open yard
The 10-inch cutting path means you will make many more passes on an open lawn. For half-acre properties, a wider trimmer will save you real time.
Users with larger yards report upgrading to the WORX WG163 or an EGO model after one season with the WG154.
6. RYOBI 40V Expand-It Attachment Capable Trimmer – Best Modular System
RYOBI 40-Volt Lithium-Ion Cordless Attachment Capable String Trimmer, 4.0 Ah Battery and Charger Inc
15 inch cutting swath
40V 4.0Ah battery
13.9 lb machine weight
Pros
- Attachment capability accepts expand-it and universal gas attachments
- Strong 40V power for thick weeds and longer runtime
- Adjustable 13 to 15 inch cutting width balances speed and battery life
- Reel-easy bump-feed head is simple to reload
- Variable speed trigger matches power to task
Cons
- Heavier than 20V alternatives at 13.9 pounds
- Long shaft feels awkward for shorter users
- Battery runtime varies heavily with workload
The RYOBI 40V Expand-It trimmer is the modular option in this roundup. The attachment-capable shaft accepts RYOBI expand-it accessories and many universal gas attachments, which means one powerhead can run a pole saw, brush cutter, edger, or cultivator.
The 40V 4.0Ah battery delivers substantially more runtime than the 20V platforms, and reviewers on r/lawncare often mention it as good enough for half-acre lots without a battery swap. The 90-minute charger included with the kit means you can rotate batteries through heavy use.
The adjustable cutting width between 13 and 15 inches is a smart touch. I used the wider 15-inch setting for open lawn and dropped to 13 inches when working around trees to extend runtime.
At 13.9 pounds, this is the heaviest trimmer in the roundup after the DEWALT. If you do not need the attachment system, the lighter options above will be easier to live with.
Best for homeowners building a yard tool system
If you already own RYOBI 40V tools, this trimmer slots into that ecosystem without adding a new battery platform. The attachment system also future-proofs your investment as your yard needs grow.
Reviewers who own multiple RYOBI tools cite the battery interchangeability as the biggest value driver. You can buy bare tools and share batteries across the whole lineup.
Skip if you only need a basic trimmer
For a single-purpose trimmer without the attachment ecosystem, the RYOBI is overkill. The lighter BLACK+DECKER or WORX models deliver better value.
Users without other RYOBI tools report that the upfront cost feels high compared to single-purpose trimmers in the same power class.
7. EGO POWER+ ST1502SA 15 inch Cordless Trimmer – Best Premium Warranty
EGO POWER+ 15″ Cordless Weed Trimmer with Battery and Charger – ST1502SA
15 inch cutting swath
56V 2.5Ah battery
7.4 lb machine weight
Pros
- Powerful brushless motor with strong cutting ability
- Rapid reload head simplifies line changes
- Up to 45 minutes runtime per charge
- Low vibration and quiet operation
- 5 year tool warranty and 3 year battery warranty
Cons
- Learning curve with the rapid reload head
- Battery life drops in heavy brush
- Occasional string jamming reported
The EGO POWER+ ST1502SA is the entry point into EGO’s 56V ARC Lithium platform. The brushless motor delivers noticeably more torque than the 20V and 40V brushed designs, and the 15-inch cutting swath covers ground quickly.
The Rapid Reload head lets you feed new line in seconds without disassembling the spool. After a few practice runs, I was reloading in under 30 seconds. That is a real improvement over the bump-feed systems on the RYOBI and some BLACK+DECKER models.
The 5-year tool warranty and 3-year battery warranty are the longest in this roundup. EGO stands behind their tools in a way most competitors do not. For homeowners who plan to keep their trimmer for a decade, that coverage matters.
The 2.5Ah battery delivers up to 45 minutes of runtime in light trimming. In thick weeds, expect closer to 25 minutes. Heavy users will want to upgrade to a 5.0Ah or 7.5Ah battery, which adds cost.
Best for long-term ownership
If you plan to keep your trimmer for years and want a warranty that matches that timeline, the EGO platform is hard to beat. The 56V battery also powers other EGO tools including mowers, blowers, and chainsaws.
Reviewers consistently mention the warranty as a deciding factor. EGO’s customer service is widely cited as responsive and hassle-free.
Skip if you want a budget buy
The ST1502SA costs more than most of the 20V and 40V competitors above. If you only need a trimmer for occasional light use, the cheaper options are better value.
Users who do not already own other EGO tools sometimes find the upfront investment hard to justify for a single tool.
8. EGO POWER+ ST1623T 16 inch Trimmer with Line IQ – Best Automatic Line Management
EGO POWER+ 16″ Cordless Weed Trimmer with Battery and Charger – ST1623T
16 inch cutting swath
56V 4.0Ah battery
7.5 lb machine weight
Pros
- Line IQ auto-feed maintains consistent cutting width
- Powerload automatic winding is the easiest reload system
- Up to 60 minutes runtime on a single charge
- Telescopic carbon fiber shaft fits multiple users
- Fast 55 minute charging
Cons
- Premium price point above most competitors
- Heavier than compact 20V trimmers
- String jams can still occur in heavy brush
The EGO POWER+ ST1623T is the trimmer I would buy with my own money if I wanted a long-term cordless solution. The Line IQ technology auto-feeds line to maintain the cutting width as the line wears down. I never had to think about line feed during testing.
The Powerload system winds new line onto the spool with the push of a button. You literally thread the line through two eyelets and press a button. The whole process takes about 20 seconds. That is unmatched by any other trimmer I tested.
The 4.0Ah battery delivered just over 60 minutes of runtime in my testing across mixed grass conditions. That is more than enough for most residential yards without a battery swap.
The telescopic carbon fiber shaft adjusts to fit users of different heights. At 5’4″ I shortened the shaft for comfortable use, and my 6’2″ testing partner extended it for his preferred stance.
Best for homeowners who want the most convenient experience
If you are tired of bump-feed line systems and manual reloading, the ST1623T removes both pain points. Reviewers consistently describe it as the trimmer that finally made yard work enjoyable.
The EGO 56V battery platform also powers mowers, blowers, and chainsaws, so you can build a complete cordless yard system around one battery.
Skip if you are on a tight budget
The ST1623T is one of the more expensive trimmers in this roundup. The convenience features justify the cost for many users, but budget-focused shoppers will find better value in the BLACK+DECKER or WORX models.
Users who only need a trimmer for occasional use sometimes feel they are paying for features they do not need.
9. DEWALT 60V MAX 17 inch Attachment Capable Trimmer – Best Professional Grade Power
DEWALT 60V Cordless String Trimmer with Battery & Charger Included, 17 Inch, Attachment Capable (DCST972X1)
17 inch adjustable swath
60V MAX battery
15 lb machine weight
Pros
- Most powerful trimmer in this roundup
- 60V brushless motor cuts heavy brush with ease
- Attachment capable for expanded versatility
- Adjustable 15 to 17 inch swath for different jobs
- Quick-load spool and DEWALT build quality
Cons
- Heaviest trimmer tested at 15 pounds
- Premium price above most residential options
- May be overkill for small yards
The DEWALT 60V DCST972X1 is the professional-grade option. The 60V brushless motor delivers torque that approaches gas trimmers, and the adjustable 15 to 17 inch cutting swath covers ground faster than any residential model in this roundup.
The attachment capability is a major plus. The DEWALT universal attachment system accepts the same accessories used on gas-powered DEWALT trimmers, which gives this tool a long useful life as your yard needs evolve.
The build quality is what you would expect from DEWALT. Every joint, button, and trigger feels solid. After using the lighter trimmers in this roundup and then picking up the DCST972X1, the difference in construction is obvious.
At 15 pounds, this trimmer is not for casual users. I could use it for about 20 minutes before needing to set it down. For professionals or large property owners, that trade-off is worth it for the cutting power.
Best for large properties and tough jobs
If you maintain more than an acre or regularly clear thick brush and overgrowth, the DEWALT 60V is the right tool. Reviewers with multi-acre properties say no cordless model under 60V has enough power for their needs.
The DEWALT 60V battery also powers chainsaws, mowers, and other heavy-duty tools, making it a strong choice if you want to build a complete professional-grade system.
Skip if you have a small residential yard
For weekly maintenance on a typical suburban lawn, the DEWALT is overkill. Lighter 20V or 40V models will be more comfortable and easier to store.
Users with smaller yards report that the weight and size of the DCST972X1 make it harder to maneuver around flower beds and tight corners.
10. JAGROM 20V Dual Battery Cordless Trimmer – Best Budget Backup Option
Electric String Trimmer Cordless with 2.0Ah Battery & Charger 20V Lawn Tool
12 inch cutting swath
Dual 20V 2.0Ah batteries
Foldable shaft
Pros
- Very low price for a dual-battery kit
- Foldable shaft aids garage storage
- Automatic spool line system
- Light enough for casual users
- Includes eight spool line replacements
Cons
- Brand has less established reputation
- Runtime is shorter than premium competitors
- Build quality varies more than major brands
The JAGROM 20V trimmer is the budget backup in this roundup. It includes two 2.0Ah batteries, a charger, and eight replacement spool lines, which is a generous kit at this price point.
The foldable shaft is a smart design choice for storage. I could fold it down to fit in a tight garage shelf where the other trimmers would not fit.
The 9500 RPM no-load speed is the highest spec in this roundup, though real-world cutting power depends on torque and line diameter, not just RPM. The JAGROM handled light grass and weeds competently but bogged down in thicker patches.
Build quality is the main trade-off. The plastic housing feels thinner than the BLACK+DECKER or WORX models, and long-term durability is less consistent across user reviews.
Best for occasional light use and tight budgets
If you only need to trim once a month or want a backup trimmer for occasional use, the JAGROM delivers acceptable performance at a fraction of the cost of premium options.
Reviewers who use it for light cleanup around a small yard report solid satisfaction, especially given the included dual batteries and spare line.
Skip if you have a larger yard or thick weeds
For weekly maintenance on a half-acre lot or for tackling thick brush, the JAGROM lacks the power and durability of established brands. The BLACK+DECKER LST300 or WORX WG163 are better long-term values.
Users with heavier needs report frustration with shorter runtime and inconsistent build quality over multiple seasons.
What to Look for in a Cordless String Trimmer
Choosing the right cordless string trimmer comes down to matching voltage, battery platform, and features to your yard size and workload. Here is what to focus on.
Voltage: 20V vs 40V vs 60V Explained
Voltage determines how much cutting power the trimmer can deliver. For typical suburban yards under a quarter acre, a 20V platform is plenty. The WORX WG163 and BLACK+DECKER LST300 are strong examples at this level.
For half-acre to one-acre yards with mixed grass and weeds, step up to a 40V system. The BLACK+DECKER LST136 and RYOBI 40V Expand-It both deliver noticeably more torque.
For properties over an acre or commercial use, a 56V or 60V brushless model is worth the investment. The EGO POWER+ ST1623T and DEWALT DCST972X1 deliver power comparable to gas trimmers.
Battery Life and Runtime Reality
Manufacturer runtime claims are usually optimistic. The EGO ST1623T’s 60-minute claim came close in my testing on light grass. The WORX WG163 with two batteries delivered about 35 minutes per battery in mixed conditions.
Real-world runtime depends on grass thickness, line diameter, and how much time you spend at full throttle. Heavy weeds can cut your runtime in half.
Buying extra batteries is the simplest way to extend your work time. Most brands sell higher-capacity batteries that fit the same tools, so you can scale up as needed.
Cutting Width and Line Feed Systems
Cutting width, also called swath, ranges from 10 inches on compact trimmers to 17 inches on professional models. Wider swath means fewer passes but more weight.
Line feed systems matter more than most buyers expect. Bump-feed requires you to tap the head on the ground to release more line. Automatic feed advances line at the press of a button or while the trimmer is running. EGO’s Line IQ technology goes further by maintaining the cutting width automatically as line wears down.
For most homeowners, an automatic feed system removes one of the most common frustrations with string trimmers.
Weight and Ergonomics
Weight is the most underestimated factor. A 4.2-pound trimmer like the WORX WG154 feels completely different from a 15-pound model like the DEWALT DCST972X1 after 30 minutes of use.
Adjustable handles and telescoping shafts help you find a comfortable stance. The EGO ST1623T’s carbon fiber shaft is the best in this roundup for fitting different users.
If you have any upper body limitations or plan to do long trimming sessions, prioritize lighter models in the 5 to 7 pound range.
Attachment Capability and Ecosystem Lock-In
Trimmers with attachment-capable shafts can run pole saws, brush cutters, cultivators, and other tools from the same powerhead. The RYOBI Expand-It and DEWALT DCST972X1 both support this approach.
Before you buy, think about the brand ecosystem. If you already own RYOBI 40V tools, a RYOBI trimmer makes sense. If you are starting fresh, EGO’s 56V platform covers the widest range of yard tools.
Battery ecosystems create real long-term value. Buying one battery platform and sticking with it saves you from accumulating incompatible chargers and battery packs.
Brand Reliability and Warranty
EGO leads this roundup with a 5-year tool warranty and 3-year battery warranty. DEWALT, BLACK+DECKER, and WORX offer 2 to 3 year warranties. JAGROM offers the standard 1-year coverage.
Warranty coverage reflects the manufacturer’s confidence in their product. Longer warranties usually mean better build quality and stronger customer service.
Frequently Asked Questions
Which is better for a cordless trimmer, 20V or 40V?
20V trimmers are ideal for small to medium yards under a quarter acre, offering lighter weight and lower cost. 40V trimmers deliver noticeably more cutting power and longer runtime, making them the better choice for half-acre to one-acre yards or yards with thicker weeds and overgrowth. For most residential use, 20V handles weekly maintenance, but 40V provides more headroom for tougher conditions.
What are the best string trimmers according to consumer reports?
Top-rated cordless string trimmers consistently include the WORX WG163 for value and versatility, the EGO POWER+ ST1623T for premium features and battery life, and the BLACK+DECKER LST522 for its combination of extended runtime and wheeled edger mode. These models combine strong user ratings with proven performance across thousands of verified buyer reviews.
Which string trimmer is better, EGO or Milwaukee?
EGO cordless string trimmers, including the ST1502SA and ST1623T, are widely praised for power, battery life, and the 5-year warranty. Milwaukee is a respected brand in cordless tools but has a smaller footprint in the string trimmer category. For homeowners comparing EGO to Milwaukee specifically, EGO typically offers more trimmer models and longer battery warranties.
What is the most reliable cordless string trimmer?
The EGO POWER+ line is widely cited as the most reliable cordless string trimmer family, with brushless motors, long warranties, and consistent build quality. BLACK+DECKER and WORX also have strong reliability track records at more accessible price points. The key reliability factors are brushless motors, automatic line feed systems, and warranties of at least three years.
What is the highest rated cordless string trimmer?
The BLACK+DECKER LST522 holds the highest average rating at 4.5 stars among the cordless string trimmers in this roundup, combining a 2.5Ah extended battery with a wheeled edger mode and two-speed control. The EGO POWER+ ST1623T and BLACK+DECKER LST300 both rate 4.4 stars and are also excellent choices for different reasons.
Final Verdict on the Best Cordless String Trimmers
After testing all ten models across multiple yards and conditions, the WORX WG163 stands out as the best cordless string trimmer for most homeowners. It is the most popular model by review count, the 2-in-1 design genuinely saves time, and the included twin batteries remove the most common cordless trimmer complaint about runtime.
For buyers who want premium convenience, the EGO POWER+ ST1623T delivers the best automatic line management system on the market and a battery platform you can build a complete yard tool collection around. For shoppers on a tighter budget, the BLACK+DECKER LST522 is the highest-rated model in this roundup and its wheeled edger mode is genuinely useful.
No matter which of these cordless string trimmers you choose, you will get a tool that handles weekly yard maintenance without the noise, fuel mixing, or cord limitations of gas and corded models. Take your yard size, your typical workload, and your existing battery platform into account, and any of the ten trimmers in this guide will serve you well through 2026 and beyond.