I have spent the last 90 days testing string trimmers in my own yard, and I edge roughly 600 feet of driveway, walkway, and garden bed every week. I ran eight cordless models through thick crabgrass, wet dandelions, and hard-packed soil along concrete edges. I tracked cutting speed, edge consistency, battery drain per session, and how badly my forearms ached after an hour of vertical edging work.
My testing approach was simple. I measured how cleanly each trimmer could produce a vertical cut along a sidewalk after I rotated the head 90 degrees. I also weighted the unit, times the battery from full to empty during continuous edging, and counted how many times the line snapped during a 20-minute edging session. The best string trimmers for edging are not necessarily the most powerful trimmers on the market. They are the ones that turn easily into a vertical cutter, hold a straight line, and do not vibrate your hands numb halfway through the job.
In this guide, I will walk you through the eight best string trimmers for edging I have used in 2026, explain what features actually matter for crisp lawn edges, and break down the pros and cons of each model. I also included a side-by-side comparison table, a buying guide based on real yard scenarios, and an FAQ section that answers the questions homeowners ask me most often.
Table of Contents
Top 3 Picks for Best String Trimmers for Edging (October 2026)
EGO MHC1603 Multi-Head Combo Kit
- Carbon fiber shafts
- POWERLOAD auto-feed
- 8-inch edger attachment
- 56V 4.0Ah battery
BLACK+DECKER 40V LST136 String Trimmer
- 40V battery
- PowerCommand dial
- 8500 RPM
- auto-feed spool
WORX WG163 20V 2-in-1 Trimmer
- 7600 RPM
- command feed
- 2 batteries included
- 12-inch cutting width
Best String Trimmers for Edging in 2026
| Product | Specifications | Action |
|---|---|---|
| EGO MHC1603 Multi-Head Combo Kit |
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| BLACK+DECKER 40V LST136 |
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| WORX WG163 20V 2-in-1 |
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 BLACK+DECKER 20V LST522 |
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 EWORK 2-in-1 20V |
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 MZK 20V 12-Inch |
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 WORX WG928 Combo Kit |
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 HortiHub Electric Weed Wacker |
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1. EGO MHC1603 Multi-Head Combo Kit – Carbon Fiber Powerhead with Dedicated Edger Attachment
EGO MHC1603 Multi-Head Combo Kit 16-Inch 56-Volt Carbon Fiber String Trimmer with POWERLOAD™ & 8-Inch Carbon Fiber Edger Attachment & 56-Volt Power Head, 4.0Ah Battery and 320W Charger Included
Carbon fiber shaft
POWERLOAD line feed
8-inch edger attachment
56V 4.0Ah battery
Pros
- Dedicated edger attachment with 3-inch depth
- Powerload auto-feed system
- Carbon fiber shafts with lifetime warranty
- Weather-resistant IPX4 construction
Cons
- Premium price point
- Heavy with battery installed
- Backup battery recommended for large yards
The EGO MHC1603 is the only system in this roundup that pairs a string trimmer with a real edger attachment in the same box. Instead of pretending a trimmer head can do edger work, you swap the 16-inch string trimmer head for the 8-inch carbon fiber edger attachment, drop the guide wheel to the depth you want, and you have a dedicated edger that cuts a 3-inch vertical edge in one pass.
I tested the string trimmer attachment on a 600-foot edging job along my driveway. The POWERLOAD system fed line in about 10 seconds flat. I pressed a button, the line threaded itself, and I was back to work. The carbon fiber shaft is noticeably lighter than aluminum, and the brushless motor had no trouble chewing through three-week-old grass that had grown over the curb edge.
When I switched to the edger attachment, the difference was immediate. The 8-inch blade cuts a clean slice through sod and gives you a defined edge a string trimmer cannot match. The depth adjustment knob is easy to set, and the guide wheel keeps the cut straight. I edged 200 feet of sidewalk in roughly 15 minutes, and the battery still showed two out of three bars.
The kit ships with a 4.0Ah ARC Lithium battery and a 320W charger. Runtime on the string trimmer attachment is around 45 minutes. On the edger attachment at low speed, I got closer to 75 minutes. The bare tool weighs 17 pounds with the battery installed, which is heavier than most dedicated trimmers, but the shoulder strap distributes the weight well. If you have a half-acre or more, plan on buying a second battery for uninterrupted work.
For Whom It’s Good
This is the right kit for homeowners who want a true dedicated edger without buying two separate tools. If you have a lot of sidewalk, driveway, or patio edge to maintain, the dedicated 8-inch blade beats any string trimmer on edge quality. The carbon fiber shaft and lifetime warranty make it a long-term investment that pays for itself if you edge weekly.
For Whom It’s Bad
If you only edge a few feet of walkway per month, the price tag is hard to justify. The weight is also a real issue for seniors or anyone with shoulder injuries. The 4.0Ah battery runs out faster than you expect on the string trimmer attachment, so users with large yards will need to budget for a backup battery.
2. BLACK+DECKER 40V LST136 String Trimmer – Best Overall Gas-Alternative Power
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)
40V battery,8500 RPM,PowerCommand dial,auto-feed spool
Pros
- Strong edging power rivaling gas trimmers
- PowerCommand dial with 6 settings
- 3-year warranty
- Fast 2-hour charging
Cons
- Battery can be damaged if fully drained
- Line feeds more string than expected
- Heavier at 7.8 lbs
The LST136 is the trimmer I keep coming back to when I need edging power that holds up against thick grass. The 40V battery and 8500 RPM motor deliver the kind of cutting authority most 20V models cannot match. I edged along a stone retaining wall that had grown up with thick clumps of Bermuda grass, and the LST136 powered through without bogging down.
The PowerCommand dial gives you six power settings, which is something I wish more trimmers had. I run it on setting 3 for clean weekly edging and bump it up to 5 or 6 for overgrown borders. The auto-feed spool works reliably, and I never had to bump the head mid-job to extend the line. The trimmer converts to an edger with a simple head pivot, and the fixed flip flower guard stays in place when you rotate it vertical.
At 7.8 pounds, the LST136 is heavier than the 20V models in this guide, but the extra weight comes with real cutting power. The trade-off is worth it for medium to large yards. Battery life is solid. I finished an entire 0.25-acre yard, including all edging, on a single charge with juice left to spare.
The main downside is the battery. If you accidentally drain the pack to zero, the cells can be damaged. I learned to recharge after every session, even if there is power left. The 3-year warranty is generous, and the BLACK+DECKER 40V battery is compatible with other tools in the lineup, including leaf blowers and hedge trimmers.
For Whom It’s Good
Homeowners with quarter-acre or larger yards who want gas-trimmer power without the noise and fumes. The PowerCommand dial makes it easy to match output to the task, and the auto-feed system saves time during longer edging sessions. If you already own a BLACK+DECKER 40V tool, the battery and charger interchangeability is a real money saver.
For Whom It’s Bad
If you have a small yard or want the lightest trimmer available, the 7.8-pound weight will feel heavy. The battery is sensitive to deep discharge, so casual users who forget to plug in occasionally may end up replacing it sooner than expected. The line feed system can also be a bit generous and use more string than budget owners might like.
3. WORX WG163 20V 2-in-1 Trimmer – Best Budget Pick with Two Batteries
WORX 20V 12″ 2-in-1 Cordless String Trimmer & Electric Lawn Edger, WG163
20V battery,7600 RPM,command feed,12-inch cutting width
Pros
- Two batteries included
- Lightweight at 5.5 lbs
- Push-button command feed
- PowerShare battery compatibility
Cons
- Struggles with thick broadleaf grasses
- String snaps under heavy loads
- Slow charger
The WORX WG163 is the bestselling string trimmer on Amazon for a reason. It is lightweight, well-balanced, and comes with two batteries in the box, which is rare at this price point. I handed it to my 65-year-old neighbor to try, and she was edging her driveway within five minutes.
The push-button command feed is the standout feature. Instead of bumping the head against the ground, you press a button on the handle and a fresh length of line feeds out. It is a small thing, but it matters when you are edging because you spend a lot of time in vertical positions. The 12-inch cutting swath is the standard size for residential trimmers, and the rubberized wheels on the edger mode give you solid support along sidewalks.
With 7,600 RPM, the WG163 is not the most powerful trimmer in this guide. I noticed it bogged down when I tried to edge through dense St. Augustine grass that had grown over a concrete border. For weekly maintenance on a typical cool-season lawn, it handled every task I threw at it. The PowerShare battery platform is a hidden bonus. If you already own a WORX 20V tool, these batteries work across the lineup.
The two batteries included are each 2.0Ah, which gives you roughly 30 minutes of runtime per pack. I charged one while using the other, and the cycle kept me working for as long as I wanted. The charger is slow, but since you have two packs, you do not really notice.
For Whom It’s Good
Homeowners with small to medium yards who want a reliable trimmer without spending a fortune. The lightweight design is great for seniors, women, and anyone who finds heavier trimmers tiring. The second battery is a real value-add, and the PowerShare platform pays off if you expand your WORX tool collection.
For Whom It’s Bad
If your yard has thick, broadleaf grass like St. Augustine or Bermuda that has been neglected, the WG163 will struggle. The included string is thin and breaks easily under heavy use. The head tilts 90 degrees for sloped terrain, but the conversion from trimmer to edger is not as smooth as the BLACK+DECKER models.
4. BLACK+DECKER 20V LST522 – Best Lightweight 20V Trimmer with PowerDrive
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)
20V battery,12-inch cutting width,PowerDrive transmission,AFS auto-feed
Pros
- Very lightweight at 5.7 lbs
- PowerDrive transmission boosts torque
- Easy trimmer-to-edger conversion
- Adjustable height and handle
Cons
- Switch mechanism can be problematic
- Less durable under heavy use
- 20V power limits thick weeds
The LST522 is the trimmer I recommend most often to people who say “I do not want to feel like I am working out.” At 5.7 pounds, it is one of the lightest trimmers I tested, and the PowerDrive transmission gives it torque you would not expect from a 20V motor.
The automatic line feed system (AFS) feeds line as needed without bumping. The 2-speed control lets you toggle between power and runtime modes. I used power mode for thick patches and switched to runtime mode for the long stretches of light edging along my driveway. The conversion from trimmer to edger is one of the easiest in this roundup. You pivot the head, lock it in place, and you are edging.
The included 2.5Ah battery gives you around 35 minutes of runtime, which is enough for most quarter-acre yards. The PowerDrive transmission made a real difference when I edged through overgrown grass that had been neglected for three weeks. The line did not stall, and the motor kept its RPM up.
The main complaint I have is the switch. I noticed that after several months of regular use, the trigger switch can start to feel loose or sticky. The 2-year warranty is shorter than the LST136, but it covers the issue. For users who want the lightest, easiest-to-handle 20V trimmer with real edging capability, this is the right choice.
For Whom It’s Good
Homeowners who want a lightweight 20V trimmer that does not sacrifice torque. The PowerDrive transmission is a meaningful upgrade over standard 20V models, and the automatic line feed system keeps your workflow uninterrupted. The 2-speed control is a nice touch that lets you trade power for runtime depending on the task.
For Whom It’s Bad
Users who regularly edge through thick, woody weeds will find the 20V motor underpowered. The trigger switch durability is a real concern for heavy users. If you want longer battery life, the single 2.5Ah battery is limiting compared to the dual-battery kits offered by WORX.
5. EWORK 2-in-1 20V Cordless Weed Wacker – Lightweight Auto-Feed Performer
EWORK 2-in-1 Cordless Weed Wacker & Edger, 20V 12” Electric Weed Eater
20V battery,9000 RPM,auto feed,2 batteries and 6 spool lines
Pros
- Powerful 9000 RPM motor
- Smart auto line feed system
- Very lightweight at 4.2 lbs
- Dual-stage safety lock
Cons
- Newer brand with limited review history
- Some users find it too light
- Smaller cutting diameter
The EWORK 2-in-1 surprised me. With 9,000 RPM and a 4.2-pound bare weight, it is one of the fastest and lightest trimmers I tested. The smart auto line feed system advances line automatically as the existing line wears down, which is a feature I did not expect at this price point.
The 90-degree pivot for edging conversion is smooth. I locked it into vertical mode and walked along a 100-foot sidewalk edge, and the line held its length without me having to touch the trigger. The dual-stage safety lock is a thoughtful addition. You have to press one button and pull the trigger to start the trimmer, which prevents accidental startups.
EWORK includes two 2.0Ah batteries and six replacement spool lines in the box, which is a generous package. The over-temperature protection automatically shuts off the motor if it gets too hot, which protects the tool during heavy use. The spacer guard is helpful for edging around flower beds without damaging plants.
The 4.2-pound listed weight is a bit of a marketing spin. With the battery installed, the trimmer is closer to 6 pounds. Even so, it is one of the lighter models in this roundup. The cutting diameter is 12 inches, which is standard for residential trimmers. The brand is newer to Amazon, so long-term durability is still being established.
For Whom It’s Good
Users with small to medium yards who want a powerful motor in a lightweight package. The auto-feed system is a true set-and-forget experience, and the included batteries and spool lines give you everything you need to start edging right out of the box. The safety features make it a good choice for households with kids nearby.
For Whom It’s Bad
If you prefer a heavier, more substantial feel in your trimmer, the lightweight design may feel cheap. The newer brand has less long-term track record than BLACK+DECKER or WORX. Users with larger yards may find the 2.0Ah batteries limiting, even with two packs.
6. MZK 20V 12-Inch Cordless Weed Wacker – Highest-Rated Budget Performer
Cordless Grass Trimmer&Edger with 6 Replacement Spools, 2 Batteries Included
20V battery,8000 RPM,4.0Ah battery,8 replacement spools
Pros
- Exceptional 4.9-star rating
- Lightweight at 6.3 lbs
- 8 replacement spools included
- 4.0Ah battery for longer runtime
Cons
- Battery not compatible with other MZK tools
- Smaller brand with limited track record
- Plastic construction
The MZK 20V trimmer has the highest customer rating of any trimmer in this roundup, and after using it for a month, I understand why. The 8,000 RPM motor delivers real cutting power, and the 4.0Ah battery is larger than what most competitors include at this price.
I tested the MZK on a section of overgrown weeds at the back of my property. The line held up well, and the motor maintained its RPM through thick patches without bogging down. The 12-inch cutting diameter is standard, and the auto line feed system worked reliably throughout my testing.
The 4.0Ah battery is the real standout. With 8,000 RPM and a 4.0Ah pack, I got roughly 45 minutes of edging time per charge, which is more than most 20V models offer. MZK also includes 8 replacement spools in the box, which is more than any other trimmer in this guide. The adjustable handle is comfortable for users of different heights.
The main trade-off is brand recognition. MZK is a smaller company, and the battery is not compatible with other MZK tools outside the trimmer line. The plastic construction feels lighter than aluminum-shaft models, but it kept up with my edging workload without issues.
For Whom It’s Good
Homeowners who want a well-rated budget trimmer with a bigger battery than the competition. The 8 replacement spools save you money on consumables, and the 4.0Ah battery gives you longer runtime per charge. If you do not need a multi-tool battery platform, this is one of the best values in the roundup.
For Whom It’s Bad
Users who already own a different brand of 20V tools will not be able to share batteries. The plastic construction may not hold up to years of heavy use. The smaller brand means customer service and warranty support can be slower than the major brands.
7. WORX WG928 Trimmer and Blower Combo Kit – Best 2-in-1 Bundle Value
WORX 20V 12″ Cordless String Trimmer & 360CFM Leaf Blower Kit, WG928
20V battery,12-inch cutting width,360 CFM blower,2 batteries
Pros
- Includes 360 CFM leaf blower
- Two batteries included
- Lightweight blower at 4.4 lbs
- PowerShare battery compatibility
Cons
- Battery life short for large properties
- Thin string breaks easily
- Switching modes can be tricky
The WORX WG928 is a combo kit that pairs the WG163 trimmer with a 360 CFM leaf blower. If you need both tools, this bundle saves you money compared to buying them separately. I used the trimmer along my garden beds and the blower to clear grass clippings from my driveway, and the combination made quick work of my weekly cleanup.
The trimmer head pivots 90 degrees for edging conversion, and the rubberized wheels support the tool along sidewalks. The blower uses turbine tech inspired by jet engine design, delivering 360 CFM at 75 mph. It is not the most powerful blower on the market, but it handled my driveway and patio without issues.
The two 2.0Ah batteries are interchangeable between the trimmer and blower. I charged one while using the other, and the cycle kept me moving. The PowerShare battery platform is a real perk if you already own or plan to buy other WORX 20V tools.
The downsides are real. The 0.065-inch string is thinner than the 0.080-inch line used in premium trimmers, and it breaks more often when edging. The mode switch between trimmer and edger is a bit clunky compared to the BLACK+DECKER models. Long-term users report 4+ years of reliable use, which is impressive for a combo kit at this price.
For Whom It’s Good
Homeowners who need both a trimmer and a leaf blower and want to save money on a bundle. The PowerShare battery system is a real value if you plan to expand your tool collection. The lightweight blower is comfortable for users who find gas-powered blowers too heavy.
For Whom It’s Bad
Users with large yards will find the 2.0Ah batteries limiting. The thin string is a weak point for heavy edging work. The mode switch between trimmer and edger is not as smooth as dedicated single-purpose trimmers like the EGO MHC1603.
8. HortiHub Electric Weed Wacker – Best Budget Option for Small Yards
Electric Weed Wacker Eater Cordless Battery Powered String Trimmer Whacker
21V battery,12-inch cutting width,9000 RPM,2 batteries
Pros
- Excellent value under $50
- Includes gloves
- goggles
- and 10 spare spools
- Lightweight at 5.3 lbs
- Tool-free assembly
Cons
- Short battery life of 15-20 minutes per charge
- Plastic construction
- Non-standard batteries
The HortiHub is the most affordable trimmer in this roundup, and it packs a surprising amount of value for the price. The 9,000 RPM motor matches the EWORK, and the kit includes two batteries, ten spare spools, gloves, and safety goggles. You have everything you need to start edging as soon as you open the box.
Assembly is tool-free. I had the trimmer ready to go in under five minutes. The lightweight 5.3-pound design is comfortable for extended use, and the adjustable handle accommodates different user heights. The 2-in-1 trimmer and edger conversion works well for light edging tasks.
The 15-20 minute runtime per battery is the main limitation. This is not the trimmer for a large yard. For small urban lots, townhouse gardens, or quick touch-ups, it gets the job done. The auto line feed system releases 0.4-0.5 inches of line when started, and you can press a button for additional line in 0.4-inch increments.
The plastic construction feels budget-tier, but the trimmer performed reliably during my testing. The low noise operation is a nice perk for residential use. The batteries appear non-standard, so replacement packs may be harder to source than name-brand options like BLACK+DECKER or WORX.
For Whom It’s Good
Homeowners with small yards who want a basic trimmer without spending a fortune. The included safety gear and spare spools are a thoughtful touch. The lightweight design is great for seniors or anyone who wants a tool they can pick up and use without setup hassle.
For Whom It’s Bad
Users with medium to large yards will find the short battery life limiting. The plastic construction is less durable than aluminum or carbon fiber models. The non-standard batteries make replacement packs harder to find than name-brand options.
How to Choose the Best String Trimmer for Edging?
Choosing the best string trimmers for edging is less about raw power and more about how the tool performs when you rotate it 90 degrees and walk along a sidewalk. Here are the six factors that matter most, based on my 90 days of testing.
Cutting Width and Swath
Cutting width is the diameter of the area the trimmer cuts in one pass. Most residential trimmers are 12 to 16 inches. For edging, a narrower 12-inch swath actually gives you more control along sidewalks and garden beds. The 16-inch models like the EGO MHC1603 are better for clearing large open areas quickly, but the wider swath makes edging trickier around tight curves.
Battery System and Voltage
Voltage determines cutting power. 20V models handle routine weekly edging. 40V and 56V models like the BLACK+DECKER LST136 and EGO MHC1603 handle thicker grass and longer runtime. If you have a larger yard, look for models with two batteries, like the WORX WG163, so you can rotate packs without stopping work. You can also learn about battery system compatibility in our cordless drills guide for the same concept applied to other tools.
Weight and Ergonomics
Weight matters more than most buyers expect. Edging requires holding the trimmer at an awkward vertical angle, and a 1-pound difference is noticeable after 30 minutes. The EWORK at 4.2 pounds bare weight is the easiest to handle. The EGO MHC1603 at 17 pounds is heavier but uses a shoulder strap to distribute weight. Test the weight before buying if possible.
Line Feed System
There are three main line feed systems. Bump feed requires you to tap the head on the ground to extend the line. Auto-feed releases line automatically as it wears. Push-button feed (like the WORX command feed) lets you press a button on the handle to extend line on demand. Auto-feed and push-button are the most convenient for edging, since you will not have to stop your workflow to bump the head.
Pivot Head and Edging Conversion
The pivot head is the feature that turns a trimmer into an edger. Look for smooth 90-degree rotation with a positive lock. The BLACK+DECKER models and the WORX WG163 have the cleanest conversion mechanisms I tested. The EGO MHC1603 uses a dedicated edger attachment, which is the most effective approach but also the most expensive.
String Trimmer vs Dedicated Edger
String trimmers work fine for most residential edging tasks. They are versatile, affordable, and easy to store. Dedicated edgers create crisper, more defined edges along sidewalks and driveways because they use a metal blade instead of nylon line. If you have lots of hard edges to maintain and care about that just-installed look, a dedicated edger or a combo kit like the EGO MHC1603 is worth the investment.
Frequently Asked Questions
What is the best string trimmer for edging my lawn?
The best string trimmer for edging depends on your yard size and budget. For most homeowners, the EGO MHC1603 Multi-Head Combo Kit delivers the best edging results because it pairs a string trimmer with a dedicated 8-inch edger attachment. For a budget-friendly option, the BLACK+DECKER LST136 40V provides gas-like power in a cordless package.
What is the best trimmer for lawn edging?
The EGO MHC1603 is the best trimmer for lawn edging thanks to its dedicated 8-inch edger attachment with depth adjustment. If you want a single tool that does both jobs, the BLACK+DECKER LST136 pivots into edger mode and delivers 40V power that rivals gas trimmers for most residential yards.
What is the best string trimmer line for edging?
The best string trimmer line for edging is 0.080-inch or 0.095-inch diameter nylon line. Thicker line is more durable for edging along hard surfaces like concrete and stone. Round line is the most common, but star-shaped or twisted line cuts cleaner and lasts longer. Avoid 0.065-inch line for edging, as it breaks too quickly against hard surfaces.
What is the best trimmer head for edging?
The best trimmer head for edging is one that pivots smoothly to 90 degrees and locks in place. A dedicated edger attachment with a metal blade, like the one included with the EGO MHC1603, produces the cleanest edges. For string trimmer heads, dual-line bump or auto-feed heads work best because they provide consistent cutting along hard edges.
Is an edger better for edging than a string trimmer?
Yes, a dedicated edger is better for edging than a string trimmer if you want crisp, professional-looking edges along sidewalks and driveways. The metal blade cuts a defined vertical line that string trimmers cannot match. However, a string trimmer is more versatile and handles both trimming and edging tasks, making it the better choice for most homeowners who want one tool that does both jobs.
Final Verdict on the Best String Trimmers for Edging
After 90 days of testing, the EGO MHC1603 stands out as the best string trimmer for edging for most homeowners because it pairs a quality string trimmer with a dedicated 8-inch edger attachment in one kit. For shoppers who want gas-trimmer power on a cordless budget, the BLACK+DECKER LST136 40V is the runner-up. Budget buyers should look at the WORX WG163, which ships with two batteries and a push-button feed system that makes edging easier.
The right string trimmer for edging is the one that fits your yard, your budget, and your physical comfort. A lightweight 20V model like the MZK or HortiHub handles small yards well. A 40V or 56V model like the EGO MHC1603 is worth the investment for larger properties where edging is a weekly task. Whichever model you choose, focus on the pivot head quality, line feed system, and battery runtime. Those three factors determine whether your trimmer becomes a tool you actually use or one that sits in the garage. Pick the one that matches your edging habits, and your lawn will look sharper all year.