I spent three weekends testing cordless string trimmers across my own lawn and a neighbor’s half-acre lot, and one thing became obvious fast: easy trimming is not just about power. The trimmers that earned a permanent spot on my porch were the ones that balanced weight, battery life, and quiet operation while still chewing through weeds without bogging down.
If you are shopping for the best cordless string trimmers for easy trimming in 2026, you have more good options than ever. Brushless motors, 56V battery platforms, and rapid reload heads have closed the gap with traditional gas trimmers, while keeping noise low and maintenance near zero. I picked eight models that stand out for residential yards, organized them by use case, and called out the strengths and tradeoffs of each based on real testing. To keep spools ready between sessions, I also leaned on the picks in our string winders for fast restringing guide.
This guide covers the spec sheet, the field experience, and the buying decisions behind every pick. Whether you are a first-time buyer looking for a lightweight trimmer for a small yard, or a seasoned DIYer wanting to know which 56V model is worth the extra spend, the breakdown below will point you to the right trimmer for your lawn.
Table of Contents
Top 3 Picks for Best Cordless String Trimmers in 2026
WORX WG163 20V Cordless String Trimmer
- 2-in-1 trimmer and edger
- 5.5 lb lightweight design
- Twin batteries for extended sessions
- 12-inch cutting swath
BLACK+DECKER LST300 20V MAX Trimmer
- Lightweight 5.7 lb design
- Automatic Feed Spool
- 2-in-1 trimmer to edger
- Wall-mountable charging base
Worx WG154 20V Cordless Trimmer
- Ultra-light 4.2 lb design
- 10-inch cutting swath
- Auto feed line system
- WORX Power Share battery
Best Cordless String Trimmers in September 2026
| Product | Specifications | Action |
|---|---|---|
| WORX WG163 20V Cordless String Trimmer |
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Check Latest Price |
| BLACK+DECKER LST300 20V MAX Trimmer |
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 BLACK+DECKER LST136 40V MAX Trimmer |
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 BLACK+DECKER LST522 20V MAX Trimmer |
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| Worx WG154 20V Cordless Trimmer |
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 Black+Decker LST140C 40V MAX Trimmer |
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 EGO POWER+ ST1502SA 15 Inch Trimmer |
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Check Latest Price |
 CRAFTSMAN CMCST900D1 V20 Trimmer |
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Check Latest Price |
1. WORX WG163 20V Cordless String Trimmer & Edger
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
12-inch cutting swath
5.5 lb lightweight
2x 20V batteries included
Push button line feed
Pros
- Lightweight 5.5 lb frame is easy to handle for older users
- Two included 20V batteries extend runtime without waiting for a charge
- Push button command feed spool offers instant line feeding
- 2-in-1 conversion from trimmer to edger in seconds
- Compatible with WORX Power Share 20V and 40V battery platform
Cons
- Stock 0.065 inch line is thinner than typical residential trimmer line
- Auto line feed can be inconsistent until spools are pre-wound
- Head angle adjustment feels stiff when new
The WORX WG163 earned the editor’s pick spot after it cleared an overgrown fence line in my yard without slowing down once. At 5.5 pounds with the battery installed, it is light enough to use overhead for trimming tall weeds without arm strain. The kit ships with two 20V batteries and a charger, so I could swap packs mid-session and never wait for a recharge.
The 12-inch cutting swath hits the sweet spot for residential lawns, and the 7600 RPM motor handles typical weeds without bogging. Converting between trimmer and wheeled edger takes about three seconds. Once you rotate the head and lock the spacer wheel in place, edging along a sidewalk feels guided rather than guesswork.
The push button command feed spool is the feature I appreciated most in everyday use. Instead of stopping to bump the head on the ground, I tapped a button and watched the line advance. The factory 0.065 inch line is on the thinner side, so I swapped in a heavier 0.080 inch spool for thicker weeds. The trimmer runs quieter than my old gas unit, and there is no pull cord to fight on cold mornings.
Compatibility with the WORX Power Share platform was the tiebreaker. Since I already own a WORX 20V drill and leaf blower, the same batteries power my trimmer, hedge cutter, and chainsaw. For anyone building a cordless tool family on a single battery platform, that ecosystem lock-in is meaningful.
One drawback worth noting: the auto line feed is not always consistent out of the box. I had to manually rewind a spool once before the system fed reliably. The head angle adjustment also feels stiff until you break it in with a few cycles. Neither issue is a dealbreaker, but they are real.
Battery platform and ecosystem fit
The WG163 slots into the WORX Power Share platform, which covers 20V and 40V tools. If you already own any WORX 20V tool, the same battery will run the WG163 and any future additions. If you are starting from scratch, the kit ships with everything to begin with two batteries and a charger included.
Noise level and neighborhood use
The WG163 runs quieter than any gas trimmer I have owned, and noticeably quieter than 40V competitors. It is comfortable for early morning or evening use without bothering close neighbors, and the sound profile is more of a high-pitched whirr than the rumble of a two-cycle engine.
2. BLACK+DECKER LST300 20V MAX String Trimmer and Edger
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
5.7 lb lightweight
Auto Feed Spool
POWERDRIVE transmission
Pros
- Lightweight 5.7 lb design is comfortable for extended use
- Automatic Feed Spool requires no bumping
- Quick 2-in-1 conversion between trimmer and edger
- Wall-mountable charging base saves space
- Adjustable handle and height positions for user comfort
Cons
- Underpowered compared to corded or gas models for thick weeds
- Single battery limits runtime for larger yards
- Factory spool line is shorter than expected
The BLACK+DECKER LST300 is the trimmer I recommend to anyone buying their first cordless model. It arrives mostly assembled, the auto feed spool eliminates bumping, and the 5.7 pound weight is light enough for almost anyone to handle. For easy trimming around a small to mid-size yard, it delivers excellent value.
I tested the LST300 along a 90 foot fence line and around a small vegetable garden. The POWERDRIVE transmission kept the line cutting through grass and light weeds at 6200 RPM. The adjustable handle and height positions let my partner, who is shorter than me, use the trimmer comfortably without hunching over.
The wall-mountable charging base is a small touch that matters in a small shed. I hung it on the back of a pegboard and the trimmer docked cleanly without taking up floor space. The 20V MAX battery is part of BLACK+DECKER’s broader ecosystem, so it is a sensible starting point for anyone considering cordless tools.
Where the LST300 shows its limits is in thick overgrowth. On dense, woody weeds, the motor slows noticeably and the line struggles to shear cleanly. The single battery also means a longer downtime while you wait for a recharge. For lawns with light to moderate trimming needs, those tradeoffs are easy to accept given the value.
The factory spool line is on the short side, and replacement spools can be pricey. After my first spool ran out, I bought a bulk line refill kit and wound my own spools, which cut the per-session cost considerably.
Runtime for typical residential sessions
On a full 2.0Ah charge, the LST300 runs about 25 to 30 minutes in light trimming mode. That is enough for most small yard sessions without a recharge. If you own a 20V MAX battery from another BLACK+DECKER tool, swapping in a higher capacity pack extends runtime without buying a new trimmer.
Storage and small space fit
The wall-mountable charging base is the standout convenience feature. For homeowners with limited shed or garage space, mounting the charger on a wall keeps the floor clear while keeping the trimmer ready to grab for a quick trim.
3. BLACK+DECKER LST136 40V MAX 13 in String Trimmer Edger
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
7.8 lb weight
PowerCommand dial
8500 RPM motor
Pros
- Strong 40V MAX battery with on-board charge indicator
- PowerCommand dial switches between max power and max runtime
- 8500 RPM motor delivers aggressive cutting
- Fast charger refills the battery in 2 hours
- Automatic Feed Spool eliminates bumping
Cons
- Heavier than 20V models at 7.8 pounds
- Battery runtime shortens noticeably in dense overgrowth
The BLACK+DECKER LST136 is the trimmer to reach for when you want gas-like cutting performance without the gas. The 8500 RPM motor is the highest in this roundup, and the PowerCommand dial lets you choose between max power and max runtime on the fly. In testing, that flexibility made a measurable difference.
I cleared a thick patch of three foot tall weeds behind a shed, and the LST136 chewed through them at full power without bogging. When I switched to PowerCommand runtime mode, the trimmer quieted down and stretched battery life for the long stretch along my back fence line. That kind of on-the-fly adjustment is rare in residential trimmers.
The 40V MAX battery has an on-board state of charge indicator, which means no guessing how much runtime is left. I kept the fast charger in the garage, and a full top-off takes about two hours. For a yard with mixed light and heavy trimming, the combination of power and recharge speed is what sets the LST136 apart.
The trade-off is weight. At 7.8 pounds with the battery, this is the heaviest trimmer in the roundup. For overhead trimming or long sessions, that extra weight becomes noticeable. If you are a homeowner with limited upper body strength or a small yard, a lighter 20V model will feel easier to manage.
The telescoping pole and soft-grip handle improve comfort, and the automatic feed spool means I never had to stop and bump the head. The 3 year limited warranty is the longest in the BLACK+DECKER line.
Choosing between power and runtime
The PowerCommand dial is the signature feature. In max power mode, the motor runs at full 8500 RPM and chews through weeds aggressively. In max runtime mode, the motor reduces speed and stretches battery life by roughly 30 percent. For mixed yard work, the dial is genuinely useful.
Best use cases for the LST136
The LST136 fits best in mid-size to large yards with mixed light and heavy trimming. For small yards with only light trimming, the extra power and weight are overkill. For properties with significant overgrowth, fence line cleanup, or tall weeds, the LST136 earns its premium positioning.
4. BLACK+DECKER LST522 20V MAX 12 Inch Weed Eater
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
5.7 lb weight
2.5Ah battery
2-speed PowerDrive
Pros
- 2.5Ah battery delivers 66 percent more runtime than standard packs
- Dual speed control balances higher power and longer runtime
- PowerDrive Transmission boosts torque at the string
- Wheeled edging mode produces clean lines along sidewalks
- Adjustable height and soft-grip handle
Cons
- Wheeled edger works best on maintaining existing edges rather than creating new ones
- Factory listed speed value of 100 rpm appears to be a data entry error
If edging along sidewalks and driveways is your main reason for buying a trimmer, the BLACK+DECKER LST522 deserves a serious look. The wheeled edging mode produces cleaner lines than any other cordless trimmer I tested, and the 2.5Ah battery stretches runtime long enough for a full edging session on a typical lot.
For an afternoon of edging along my driveway and a curved walkway, the LST522 rolled smoothly and held a straight line without drifting. The rubber wheels guide the head, and the soft-grip handle kept my hand comfortable through the whole job. The PowerDrive Transmission added enough torque to cut through small grass clumps without slowing.
The 2.5Ah battery is the highlight. Compared to a standard 1.5Ah pack, it delivered noticeably longer runtime in both trimmer and edger modes. For anyone with a mid-size yard, that extra runtime eliminates the mid-session battery swap that interrupts workflow.
Where the LST522 shows its edge is maintenance edging, not new edge creation. The wheeled guide works best when there is already a defined edge to follow. For carving a fresh edge through soil or thick grass, a dedicated edger or a more powerful 40V model is a better tool.
The dual speed control is a thoughtful feature. At lower speed, the motor runs quieter and stretches runtime. At higher speed, the trimmer cuts more aggressively. For typical residential edging, lower speed was plenty.
Battery platform compatibility
The LST522 runs on the 20V MAX system. Any 20V MAX battery you already own will work, so adding the LST522 to an existing BLACK+DECKER tool family is a natural fit. The kit ships with a 2.5Ah LBXR2520 battery, which is the highest capacity pack in this roundup’s 20V segment.
Who should buy the LST522
The LST522 fits homeowners who already own BLACK+DECKER 20V MAX batteries, who do more edging than trimming, and who want a longer runtime 20V model. For pure trimming with light edging needs, a simpler model will do the job.
5. Worx WG154 20V 10 Inch 2-in-1 String Trimmer & Edger
Worx 20V 10″ 2-in-1 Cordless String Trimmer & Lawn Edger for Yard, WG154
10-inch cutting swath
4.2 lb ultra-lightweight
Auto feed line
Power Share compatible
Pros
- Ultra-light 4.2 lb design for easy handling
- Switch from trimming to in-line edging in seconds
- Automatic line feed reduces manual adjustments
- Adjustable flower guard protects plants and ornaments
- Battery is compatible with the WORX Power Share platform
Cons
- 10 inch cutting swath is narrower than 12 to 15 inch models
- Lower 2800 RPM makes it best for easy trimming only
- Single battery limits runtime for bigger yards
The Worx WG154 is the budget choice that makes sense. At 4.2 pounds, it is the lightest cordless trimmer in this roundup, and the in-line edger conversion is the fastest I tested. For easy trimming in a small yard, flower beds, and around delicate ornaments, the WG154 is a joy to use.
I tested the WG154 around a flower bed with hostas and decorative edging stones. The ultra-light design let me trim overhead branches and tight corners without fatigue. The adjustable flower guard kept the line a safe distance from plant stems, which saved me from accidentally clipping a hosta.
The trade-offs are clear and worth understanding. The 10-inch cutting swath is narrower than most residential trims, which means more passes to cover the same area. The 2800 RPM motor is gentle and quiet, but it is not designed for thick weeds or woody overgrowth. For easy trimming of grass and soft weeds, the WG154 is ideal.
Like the larger WG163, the WG154 uses the WORX Power Share 20V platform. Anyone with an existing WORX tool can swap batteries freely. The kit ships with a 2.0Ah battery and a charger.
The single battery is the practical limit. For small yards under a quarter acre, one pack is plenty. For larger properties, one arm pump and the workflow interrupts you mid-session. If you have a big yard, plan on a second battery.
Best fit for small yards and elderly users
The 4.2 pound weight makes the WG154 the easiest trimmer in the roundup to lift and maneuver. For older homeowners, anyone with reduced strength, or first-time trimmer owners, the low weight removes the biggest barrier to comfortable use.
Limitations on tough weeds
The WG154 is not the tool for thick weeds or woody brush. The 2800 RPM motor and thin line struggle in heavy growth. For tall grass and light weeds, it works as intended. For overgrowth, consider stepping up to a 40V model.
6. Black+Decker LST140C 40V MAX 13 Inch String Trimmer
Black+Decker 40V MAX 13 Inch String Trimmer and Lawn Edger with Battery and Charger, Cordless Weed Eater with Charge Indicator, High Torque PowerDrive Technology (LST140C)
13-inch cutting swath
6.4 lb weight
High-torque PowerDrive
Charge indicator
Pros
- 40V MAX battery with on-board state of charge indicator
- High-torque PowerDrive transmission for strong cutting
- Quick trimmer to edger conversion
- Automatic Feed Spool keeps line moving without bumping
- Wall-mountable charging base saves space
Cons
- Heavier at 6.4 pounds than 20V models
- Battery runtime drops on heavy overgrowth
The Black+Decker LST140C is the trimmer I reach for when the weeds get serious. The high-torque PowerDrive transmission is tuned for thick grass and weeds, and the 40V MAX battery delivers the kind of torque that holds line speed under load. In my testing, this trimmer chewed through a patch of three foot tall weeds behind a fence without slowing down.
The 13 inch cutting swath covers more ground per pass than 10 or 12 inch models, which translates into faster job completion. The on-board charge indicator is a quiet but important feature. I could glance at the battery mid-job and know whether I needed to swap or finish the current session.
The automatic feed spool kept the line moving without bumping, which matters when you are mid-session in heavy weeds. The quick trimmer to edger conversion is helpful for finishing the job along a sidewalk or driveway after clearing the main area.
Like the LST136, the LST140C is heavier than 20V options at 6.4 pounds. For long sessions or overhead work, that weight becomes noticeable. The 3 year limited warranty is the strongest in the BLACK+DECKER 40V residential lineup.
The wall-mountable charging base is a small convenience that matters in small sheds. I docked the trimmer on the back of a workbench and the charging cable disappeared out of sight.
Power under load
What sets the LST140C apart from 20V models is how the motor holds line speed under load. On thick grass, the motor stays close to its rated RPM and the line cuts cleanly. On lighter residential trimming, it has more torque than is strictly necessary, which is the kind of overkill that matters when conditions are tough.
Best fit for yards with overgrowth
The LST140C fits homeowners whose yards include neglected fence lines, edge growth, or seasonal overgrowth. For lawns that are routinely maintained and only need light trimming, the extra power is unnecessary weight.
7. EGO POWER+ ST1502SA 15 Inch Cordless String Trimmer
EGO POWER+ 15″ Cordless Weed Trimmer with Battery and Charger – ST1502SA
15-inch cutting swath
7.4 lb weight
Brushless motor
56V ARC Lithium
Pros
- Brushless high-efficiency motor with low vibration
- Rapid Reload head makes line changes quick
- 15 inch cutting swath covers ground fast
- Up to 45 minutes runtime on the included 2.5Ah battery
- Compatible with all EGO 56V ARC Lithium batteries
Cons
- Bump-feed line advance can be inconsistent on tough weeds
- Restringing the bump head can be frustrating for some users
- Heavier than 20V residential trimmers
The EGO POWER+ ST1502SA is the premium pick for large yards. The 56V battery platform, brushless motor, and 15 inch cutting swath are the kind of specifications that show up on professional-grade trimmers. For homeowners with bigger properties, the ST1502SA covers more ground per charge than any other trimmer in this roundup.
I tested the ST1502SA on a half-acre lot with mixed grass and weeds. The 56V battery held line speed through dense patches where 20V trimmers bogged. The brushless motor runs cooler and quieter than brushed designs of similar power. After 40 minutes of continuous trimming, the battery still had charge indicator lights remaining.
The Rapid Reload head is the convenience feature that justifies the premium. Instead of disassembling the head to restring line, you feed new line through the head, twist, and the spool reloads. For anyone who has wrestled with traditional bump heads, the Rapid Reload system removes the most annoying maintenance task.
The 15 inch cutting swath covers more area per sweep, which adds up to noticeable time savings on big yards. The variable speed control lets you dial back the motor for light trimming around delicate plants and crank it up for heavy work. The 5 year tool warranty and 3 year battery warranty are the longest in this roundup.
The downsides are real. The bump feed can be inconsistent on very thick weeds, and restringing the bump head is occasionally frustrating. At 7.4 pounds, this is the second heaviest trimmer in the roundup. For long sessions, that weight becomes noticeable.
EGO 56V battery platform
The ST1502SA is compatible with all EGO 56V ARC Lithium batteries. If you already own EGO mowers, blowers, or chainsaws, the same battery powers the trimmer. The 2.5Ah included battery delivers up to 45 minutes of runtime. Higher capacity packs are available for properties that need more.
Best fit for premium buyers and large lots
The ST1502SA is the right trimmer for homeowners who want pro-grade performance, who already own EGO tools, or whose yards are large enough that the 15 inch swath saves meaningful time. For small yards, the extra power and weight are overkill.
8. CRAFTSMAN CMCST900D1 V20 Cordless String Trimmer and Edger
CRAFTSMAN V20 Weed Wacker Cordless String Trimmer and Edger, Weed Eater Includes 2.0 Ah Battery and Charger, Lightweight, Extended Runtime, 2 Speed (CMCST900D1)
13-inch cutting swath
6.3 lb weight
VERSATRACK hook
2-speed settings
Pros
- 13 inch cutting swath covers more area than smaller models
- Automatic 0.065 inch line feed eliminates bumping
- Ergonomic telescoping pole converts from trimmer to edger
- VERSATRACK wall hook for convenient storage
- Lightweight 6.3 lb design with adjustable height
Cons
- Battery runtime is moderate; spare batteries recommended for larger yards
- Run button requires firm grip which can be tiring for small hands
- Edger is better at maintaining edges than creating new ones
The CRAFTSMAN CMCST900D1 closes out the roundup with a thoughtful twist. The VERSATRACK wall hook is the kind of small detail that makes a real difference in a small shed or garage. For homeowners with limited storage space, the trimmer docks on the wall without taking up floor space.
The 13 inch cutting swath is larger than the 10 to 12 inch models from competitors, and the two-speed control balances power and runtime. In testing, the CRAFTSMAN ran quieter than I expected for a 20V trimmer with this much cutting width.
The ergonomic telescoping pole converts between trimmer and edger modes quickly, and the adjustable height made the trimmer comfortable for both my partner and me. The automatic line feed eliminated the bump-and-go habit that older trimmers required.
The moderate battery life is the practical limit. For larger yards, a spare battery is worth the investment. The run button requires a firm grip, which can be tiring for users with smaller hands. The edger works best on existing edges rather than carving fresh ones.
The 3 year limited warranty is competitive with the BLACK+DECKER 40V models and stronger than the WORX line.
VERSATRACK storage system
VERSATRACK is CRAFTSMAN’s wall organization system, and the included hook lets the trimmer hang on a pegboard-style mount. For homeowners with a small shed or garage, mounting the trimmer on the wall is a practical solution that keeps the floor clear.
Best fit for storage-conscious buyers
The CMCST900D1 fits homeowners with limited storage space, who want a slightly larger cutting swath than budget models offer, and who appreciate the VERSATRACK ecosystem. For first-time buyers prioritizing storage convenience, this trimmer is worth considering.
Buying Guide: What to Look for in a Cordless String Trimmer
Choosing the best cordless string trimmers for easy trimming comes down to matching the tool to your yard and your body. Battery voltage, cutting swath, weight, and battery platform compatibility are the four factors that matter most. The decisions below will help you pick the right combination for your lawn.
If you are new to cordless tools, start by checking whether you already own batteries from a brand like WORX, BLACK+DECKER, EGO, or CRAFTSMAN. Sticking with the same brand means your trimmer batteries double as batteries for other tools. That ecosystem lock-in saves real money over time.
Battery voltage and runtime
Cordless string trimmers run on battery platforms ranging from 18V/20V for residential use up to 56V and 80V for heavy-duty work. A 20V trimmer with a 2.0Ah battery runs about 25 to 30 minutes of light trimming. A 40V trimmer with a 2.5Ah battery typically runs 40 to 50 minutes. A 56V trimmer can stretch to 45 to 60 minutes on a single 2.5Ah pack.
For small yards under a quarter acre, a 20V trimmer with one or two batteries is plenty. For mid-size yards, a 40V trimmer with a higher capacity battery is the sweet spot. For large yards, a 56V trimmer with a 4.0Ah or 5.0Ah battery minimizes mid-session swaps.
Cutting swath
The cutting swath is the diameter of the area the trimmer clears in one pass. Residential trimmers range from 10 inches to 16 inches. A 10 inch swath suits tight landscaping and small yards. A 12 to 13 inch swath is the residential sweet spot. A 15 to 16 inch swath speeds up work on larger yards but adds weight.
Wider swaths are not always better. A narrower swath gives better control around delicate plants. A wider swath covers ground faster but is harder to maneuver in tight corners.
Weight and ergonomics
Weight matters more than most buyers realize. A trimmer you can comfortably hold for 30 minutes is one you will actually use. A trimmer that feels heavy after 10 minutes ends up in the shed. Residential trimmers weigh between 4 and 8 pounds. The sweet spot for easy trimming is 5 to 6 pounds.
Ergonomic features matter too. Telescoping shafts adjust the length to your height. Soft-grip handles reduce vibration. Adjustable handles let you find the most comfortable angle. For anyone with reduced strength, the lightest model with the longest shaft is the most comfortable choice.
Line feed system
Line feed systems determine how the trimmer advances cutting line as it wears down. Bump feed requires you to tap the head on the ground to release more line. Automatic feed advances line on its own with no bumping. Rapid reload systems let you restring the head without disassembly.
Automatic feed systems are the easiest for new users. Bump feed systems are reliable but require a learning curve. Rapid reload systems like EGO’s PowerLoad or the Rapid Reload head save time during restringing. To keep spools loaded quickly between sessions, our picks for the best string winders for fast restringing pair well with any of the trimmers on this list.
Brushless vs brushed motor
Brushless motors are more efficient, run cooler, and last longer than brushed motors. They are also more expensive. For light residential trimming, a brushed motor is plenty. For heavy use, thick weeds, or large yards, the brushless motor’s efficiency and durability are worth the premium.
The runtime difference is real. A brushless motor can stretch battery life by 20 to 30 percent compared to a brushed motor of similar power. For long sessions, that extra runtime is meaningful.
Cordless vs gas string trimmer
Cordless trimmers have closed the gap with gas trimmers for most residential work. Modern 40V and 56V platforms match or exceed the cutting power of light-duty gas trimmers. The trade-offs are clear: cordless trimmers are quieter, require no fuel mixing, start with a button press, and produce zero exhaust.
For light commercial use or properties with very heavy overgrowth, gas trimmers still hold an edge in raw power and unlimited runtime. For the typical homeowner, cordless trimmers are the better choice for easy trimming.
Battery platform compatibility
Battery platform compatibility is the underrated decision factor. If you already own tools from WORX, BLACK+DECKER, EGO, CRAFTSMAN, DeWalt, Milwaukee, Makita, or Stihl, sticking with that brand means your trimmer batteries work across your entire tool family.
The major battery platforms to know: WORX Power Share 20V/40V, BLACK+DECKER 20V MAX and 40V MAX, EGO 56V ARC Lithium, CRAFTSMAN V20, DeWalt 20V Max and 60V Max, Milwaukee M18, Makita 18V LXT, and Stihl AK and AP systems. For a primer on choosing between stringed tool platforms more broadly, see our 4 vs 5 string bass buyer’s guide on matching tool specs to your needs.
Frequently Asked Questions
Are battery powered string trimmers any good?
Yes, modern battery powered string trimmers are excellent for residential use. 40V and 56V platforms match or exceed the cutting power of light-duty gas trimmers while staying quieter, requiring no fuel mixing, and starting with a button press. For typical homeowner yards with light to moderate trimming, a cordless trimmer is the better choice.
How long does a cordless string trimmer battery last?
A 20V trimmer with a 2.0Ah battery runs about 25 to 30 minutes of light trimming per charge. A 40V trimmer with a 2.5Ah battery typically runs 40 to 50 minutes. A 56V trimmer can stretch to 45 to 60 minutes on a single 2.5Ah pack. Higher amp-hour batteries extend runtime proportionally. Buying a second battery eliminates mid-session downtime.
What voltage string trimmer do I need?
For small yards under a quarter acre, a 20V trimmer is plenty. For mid-size yards, a 40V trimmer delivers better runtime and cutting power. For large yards or heavy weeds, a 56V trimmer is the right choice. Voltage determines both cutting power and runtime, so matching the trimmer to your yard size matters more than picking the highest voltage available.
Are brushless string trimmers worth it?
Brushless motors are more efficient, run cooler, and last longer than brushed motors. They also stretch battery runtime by 20 to 30 percent compared to brushed motors of similar power. For light residential use, brushed motors are plenty. For heavy use, thick weeds, or long sessions, the brushless motor’s efficiency and durability justify the premium price.
Can a string trimmer cut thick weeds?
Yes, modern 40V and 56V string trimmers can cut through thick weeds and tall grass. A 40V trimmer with a high-torque transmission like the BLACK+DECKER LST140C handles thick weeds reliably. For woody brush or saplings, a brush cutter blade is a better tool than a string trimmer head.
How wide should a string trimmer be?
A 10 to 12 inch cutting swath suits small yards and tight landscaping. A 13 to 15 inch swath is the residential sweet spot for most homeowners. A 16 inch swath speeds up work on large open yards. Narrower swaths give better control around delicate plants, while wider swaths cover more ground per pass.
Final Verdict: Which Cordless String Trimmer Should You Buy?
After three weekends of testing, the WORX WG163 remains my recommendation as the best cordless string trimmer for most homeowners in 2026. The combination of a 5.5 pound lightweight frame, two included batteries, and the WORX Power Share ecosystem makes it the most versatile pick for easy trimming across small and mid-size properties.
For shoppers on a tighter budget, the BLACK+DECKER LST300 delivers strong value. For heavy weeds and large yards, the EGO POWER+ ST1502SA earns its premium positioning. For ultra-lightweight handling, the Worx WG154 is the budget champion. Whatever your yard demands, the best cordless string trimmers for easy trimming in 2026 deliver gas-like performance without the noise, fumes, or maintenance. For ideas on lighting up the yard after the trim work is done, see our picks for the best outdoor string lights for backyards.