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The smell of mixed fuel, the pull-start that yanks your shoulder, the noise that wakes the neighbor’s dog — none of that belongs in a weekend trimming session. Electric grass trimmers deliver instant-start convenience, far less noise, and zero exhaust fumes right when you step into the yard. The question is which voltage, which head design, and which battery platform actually match the size of your property without leaving you stranded mid-lawn.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. I spend my time breaking down motor specs, comparing cutting swath diameters, analyzing line-feed mechanisms, and cross-referencing thousands of owner reviews to separate real-world performance from marketing claims.
For this guide, I compared 7 models spanning corded, 20V, and 60V platforms to help you find the best electric grass trimmer for your specific yard — whether you’re detailing flower beds or reclaiming a long fence line from overgrowth.
How To Choose The Best Electric Grass Trimmer
An electric grass trimmer is a simple tool on the surface, but the wrong choice leaves you with a unit that bogs down in tall grass, runs out of charge before you finish, or forces you to buy a separate edger. Focus on these four factors to match the trimmer to your specific workload.
Power Source: Corded vs. Cordless
Corded trimmers offer unlimited runtime and consistent power — ideal for small to medium yards near an outlet. They are lighter and cheaper but require managing an extension cord. Cordless models give you total freedom of movement, but battery voltage and Amp-hour (Ah) rating determine runtime and cutting muscle. For most suburban lots, a 20V to 40V system with two batteries is sufficient. For thick weeds or properties over a half-acre, step up to 60V.
Motor Type: Brushed vs. Brushless
Brushless motors are quieter, run cooler, and deliver more torque per watt of battery power compared to brushed motors. They also last longer because there are no brushes to wear down. Every premium trimmer in this guide uses a brushless motor. Brushed motors are found on budget cordless and many corded models — they work fine for light trimming but lose efficiency under sustained load.
Cutting Swath and Line Diameter
A wider cutting swath (15″ to 16″) clears more grass per pass, speeding up work on large areas. Narrower swaths (12″ to 13″) offer better maneuverability around garden beds and fences. Line diameter matters too: 0.065″ line is standard for light grass, 0.080″ handles thicker weeds, and 0.095″ line tackles woody vines and heavy brush. Make sure the trimmer’s head accepts the line gauge you need.
Line Feed System and Ergonomic Features
Bump-feed heads require tapping the head on the ground to release line. Auto-feed systems (like LINE IQ or Command Feed) advance line automatically — convenient but sometimes prone to jamming. Push-button reload heads save the most frustration. Also look at shaft adjustability: telescopic shafts accommodate different user heights, and rotating heads convert the unit into an edger without a separate tool.
Quick Comparison
On smaller screens, swipe sideways to see the full table.
| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Greenworks 60V 16″ | Premium Brushless | Large properties / heavy weeds | 16″ swath, 6000 RPM, 0.095″ line | Amazon |
| EGO POWER+ ST1620T | Premium Brushless | Comfort & auto-feed convenience | 16″ swath, carbon fiber shaft, LINE IQ | Amazon |
| Makita XRU23SM1 | Mid-Range Brushless | Existing Makita 18V users | 13″ swath, 6000 RPM, 4.0Ah battery | Amazon |
| Milwaukee 2825-20ST | Premium Brushless | Pro/commercial use, attachments | 14-16″ swath, 6200 RPM, 0.095″ line | Amazon |
| WORX WG163 20V | Mid-Range Brushed | Small yards / edging detail | 12″ swath, 7600 RPM, 2 batteries | Amazon |
| SUNCHERS 20V | Budget Cordless | Light trimming / first-time buyers | 12″ swath, 2x 2.0Ah batteries | Amazon |
| WORX WG119 Corded | Budget Corded | Unlimited runtime / tight budget | 15″ swath, 7500 RPM, 5.5 AMP | Amazon |
In‑Depth Reviews
1. Greenworks 60V 16″ Brushless Cordless String Trimmer
The Greenworks 60V delivers the most compelling blend of sheer cutting power and runtime in this lineup. Its brushless motor spins at 6,000 RPM and chews through blackberry vines and thick kudzu — verified on Georgia overgrowth — at a level that matches a 26cc gas trimmer. The 16-inch cutting swath clears a 2-mile fence line in a single pass, and at 68 dB, you can run it at dawn without drawing complaints.
The spin-to-load head reloads 0.095-inch line in about 10 seconds without manual winding, which saves repeated frustration compared to traditional bump-feed systems. The 2.5Ah battery delivers up to 65 minutes of runtime, covering about 1.5 acres per charge. The 360-degree rotating handle reduces wrist strain during flower bed detailing, and the unit weighs just 11.2 lbs with the battery installed.
Some owners report that the guard is positioned at an angle that flings debris toward the operator — long pants and eye protection are mandatory. The 2.5Ah battery provides shorter actual runtime than advertised when cutting thick, tall grass, often closer to 30 minutes under heavy load. A 5.0Ah battery upgrade solves this for larger properties. The 4-year warranty on both tool and battery adds long-term confidence.
What works
- Brushless motor delivers gas-equivalent power on thick vines and heavy weeds
- Spin-to-load head changes line in 10 seconds with no winding
- 16-inch swath cuts large properties quickly
- Very quiet operation at 68 dB — no HOA issues
What doesn’t
- Guard design flings debris toward user — wear protection
- Included 2.5Ah battery runs about 30 min under heavy load
- Unit is slightly front-heavy without shoulder strap
2. EGO POWER+ String Trimmer ST1620T
The EGO ST1620T stands out for its focus on ergonomic refinement and line-feed intelligence. The telescopic carbon fiber shaft extends to fit users from 5’5″ to 6’2″+ without stooping or straining, and the lightweight build reduces fatigue over long sessions. The patented LINE IQ system automatically feeds line without bumping — you concentrate on cutting, not on tapping the head.
The POWERLOAD technology lets you reload the 0.095-inch dual spiral-twist line by pressing a button rather than disassembling the head. The 16-inch cutting swath and high-efficiency brushless motor maintain consistent power through tall grass and weeds. The digital 2-speed selector lets you dial back speed for lighter trimming to conserve battery life.
The ST1620T ships without a battery or charger, so total upfront cost is higher if you are not already in the EGO 56V ecosystem. At 7.7 lbs, the trimmer feels light on its own, but adding a 6.0Ah battery makes it noticeably heavier. Taller users at 6’2″ still found the extended shaft slightly short for ideal posture. The strap attachment screw can loosen over time and should be secured with thread-locker.
What works
- Carbon fiber telescopic shaft fits a wide range of user heights
- LINE IQ auto-feed eliminates bumping
- POWERLOAD button reloads line in seconds
- Dual-speed selector saves battery on light trimming
What doesn’t
- Battery and charger sold separately — higher initial investment
- Becomes heavy with larger EGO batteries over 5.0Ah
- Shaft may still be short for very tall operators
3. Makita XRU23SM1 18V LXT Brushless String Trimmer
The Makita XRU23SM1 is the most compelling pick for anyone already invested in Makita’s 18V LXT platform. The brushless motor generates up to 6,000 RPM with enough torque to slice through thick weeds at a pace that rivals gas-powered units. The 13-inch cutting swath is narrower than the Greenworks and EGO, but owners consistently report that the included 4.0Ah battery finishes an entire suburban yard with about 50% charge remaining.
The high/low speed selector and variable-speed trigger give you fine-grained control — low speed for light edging near flower beds, high speed for heavy weeds. The tap-feed head advances line reliably, unlike some auto-feed systems that jam. The kit includes a 4.0Ah battery and charger, so you get everything needed to start trimming immediately.
The most common complaint is the small shield design, which does not block debris effectively — expect to get covered in clippings unless you wear long pants and a face shield. The unit is slightly front-heavy, making one-handed operation possible but tiring after extended use. The 18V platform delivers adequate power for typical home lawns, but it lacks the raw voltage headroom of 60V systems for tackling woody brush.
What works
- Excellent build quality and Makita reliability
- Two-speed selector and variable trigger for precise control
- Battery lasts through a full yard with charge to spare
- Kit includes battery and charger — ready out of the box
What doesn’t
- Small shield design does not deflect debris well
- Slightly front-heavy balance for prolonged use
- 13-inch swath slower on very large properties
4. Milwaukee 2825-20ST 18V Brushless String Trimmer
The Milwaukee 2825-20ST is built for users who need professional-grade durability and the ability to swap attachments — edger, cultivator, pole saw — on the same power head. The brushless motor generates up to 6,200 RPM, and the cutting swath adjusts from 14 to 16 inches to match the task. Owners with M18 12.0Ah batteries report running 3-4 lawns per day over three days with 75% charge remaining, which speaks to both motor efficiency and battery endurance.
The easy-load trimmer head accepts 0.080-inch or 0.095-inch line without tools, and the variable-speed trigger lets you feather the power for delicate edging. The attachment capability means this single power head replaces multiple tools, saving space and cost for landscapers. The tool-only configuration avoids paying for a battery you may not need if you already own M18 batteries.
At 12.7 lbs, this is the heaviest trimmer in the lineup — the weight becomes noticeable during extended overhead trimming or fence-line work. The guard does not fully deflect debris, so long pants and eye protection are essential. The tool-only format means a complete kit with battery and charger requires a significant additional investment, making this a poor entry point for new buyers without existing Milwaukee batteries.
What works
- Attachment-capable power head replaces multiple tools
- Extremely powerful — matches gas trimmer performance
- Easy-load head accepts 0.080″ or 0.095″ line
- Excellent battery efficiency with M18 high-capacity packs
What doesn’t
- Heaviest trimmer reviewed at 12.7 lbs
- Tool-only — batteries and charger sold separately
- Guard does not stop all debris from hitting operator
5. WORX WG163 20V Cordless String Trimmer & Lawn Edger
The WORX WG163 strikes a strong balance between price and practical performance for suburban lawns. The 20V brushed motor spins at 7,600 RPM and handles a well-maintained quarter-acre lot using the two included 20V Power Share batteries. The 12-inch cutting swath is narrower, but the tilt head and rubberized support wheels make edging along driveways and sidewalks very clean and easy.
The Command Feed spool system advances line instantly with a push button — no bumping required. The head tilts 90 degrees for sloped terrain, and the spacer guard prevents damage to plants and landscape features. The 5.5-pound weight makes this trimmer easy to maneuver around flower beds and under decks for extended sessions without fatigue.
The brushed motor lacks the torque of brushless options — it bogs down noticeably in thick weeds or overgrown grass. The included charger is slow, taking about five hours for a full charge; upgrading to a rapid charger costs extra. Some owners note that the edging function feels less balanced than older Worx models, and the 12-inch swath means more passes on larger properties.
What works
- Push-button Command Feed for instant line advancement
- Very lightweight at 5.5 lbs — easy for long sessions
- Converts to edger with tilting head and support wheels
- Two batteries included for extended runtime
What doesn’t
- Brushed motor lacks power for thick weeds and overgrowth
- Slow charger takes about 5 hours to recharge
- 12-inch swath slower on larger lawns
6. SUNCHERS 20V Cordless String Trimmer
The SUNCHERS 20V is the entry-level cordless option that gets the job done for small yards and light trimming tasks. It includes two 2.0Ah batteries and a charger, plus eight extra spools and two spare spool caps — enough consumable line to last through multiple seasons of occasional use. The 12-inch cutting swath and auto-feed system keep operation simple, and the 90-degree adjustable head and 180-degree adjustable auxiliary handle provide basic ergonomic flexibility.
The unit weighs roughly 5 lbs, making it very manageable for beginners, elderly users, or anyone who finds heavier trimmers exhausting. The conversion to edging mode works by rotating the head and deploying a wheel, which helps maintain straight lines along sidewalks. Assembly is straightforward with just a few bolts.
Battery runtime is the main limitation — each 2.0Ah battery lasts about 20-30 minutes under load, so you will need both batteries to finish a medium-sized yard. The shaft is not telescopic, and several tall users (over 6 feet) report that the fixed length forces them to stoop uncomfortably. The motor struggles with anything beyond light grass, and the plastic build quality feels less durable than premium alternatives.
What works
- Very lightweight and easy to assemble
- Comes with two batteries, charger, and eight extra spools
- Auto-feed line system and adjustable head for basic trimming
- Lowest upfront cost for a cordless trimmer kit
What doesn’t
- Batteries only last 20-30 minutes each under load
- Shaft is non-telescopic — too short for tall users
- Limited power for thick weeds or overgrown grass
7. WORX WG119 15″ Corded Electric String Trimmer & Lawn Edger
The WORX WG119 is the budget corded option that delivers unlimited runtime and a wide 15-inch cutting swath for under . The 5.5-amp motor spins at 7,500 RPM, and the rotating shaft converts the unit from trimmer to edger in seconds — no separate tool needed. The telescopic shaft adjusts to accommodate different user heights, and the multi-position handle improves leverage when trimming under bushes or low decks.
The dual-line auto-feed system advances fresh string at the push of a button, and the pivoting head angles up to 90 degrees for sloped terrain. The Flower Guard prevents accidental damage to plants and ornaments. At just 6 lbs, it is light enough to maneuver one-handed around raised garden beds and tight corners.
The string feed mechanism is the weak point — several owners report that the line disintegrates quickly on concrete, the auto-feed is confusing to operate, and replacement spools are expensive relative to generic line. The motor provides adequate power for light duty but struggles in thick grass. You are tethered to an outlet at all times, which means managing a long extension cord across the yard — a significant inconvenience on larger properties.
What works
- Wide 15-inch swath clears grass quickly
- Telescopic shaft and rotating head for easy edging conversion
- Lightweight at 6 lbs — easy to handle
- Unlimited runtime — no battery anxiety
What doesn’t
- String feed mechanism is unreliable and expensive to replace
- Requires a long extension cord — limits range of motion
- Lacks power for thick grass or heavy weeds
Hardware & Specs Guide
Cutting Swath & Line Diameter
The cutting swath (12″ to 16″) determines how much grass you clear per pass. Wider swaths are faster on open lawns but harder to maneuver in tight spaces. Line diameter matters more for cutting ability: 0.065″ line snaps easily in thick weeds, while 0.095″ line chews through woody vines and brambles. Always check the trimmer head’s maximum line diameter before buying replacement spools.
Motor Power & Voltage
Brushless motors dominate the premium tier because they deliver more torque per watt, run cooler, and last longer than brushed motors. Voltage (20V vs. 60V) correlates with raw cutting power — 60V platforms cut through thick overgrowth that stalls 20V brushed units. Corded trimmers bypass voltage limits entirely, delivering consistent power as long as the extension cord reaches.
Battery Platform & Runtime
Battery Amp-hour (Ah) rating is the key runtime spec: a 4.0Ah battery provides roughly double the runtime of a 2.0Ah battery under the same load. Buying into a battery ecosystem (WORX Power Share, EGO ARC Lithium, Makita LXT, Greenworks 60V) lets you share batteries across multiple yard tools. For properties over a half-acre, a 60V system with at least 4.0Ah capacity prevents mid-yard battery swaps.
Line Feed Systems Explained
Bump-feed heads require tapping the head on the ground to release line — simple and reliable but interrupts workflow. Auto-feed systems (LINE IQ, Command Feed) advance line without bumping but can jam if the line welds inside the head. Push-button reload systems (POWERLOAD, Spin-to-Load) make replacing the entire spool fast but require buying proprietary spools. Consider how much you value uninterrupted trimming vs. the convenience of generic replacement line.
FAQ
Can I use an electric grass trimmer on wet grass?
How do I choose between a corded and a cordless electric grass trimmer?
What does the edger function on a 2-in-1 trimmer actually do?
How often should I replace the trimmer line?
Is a brushless motor worth the extra cost on a grass trimmer?
Final Thoughts: The Verdict
For most gardeners, the best electric grass trimmer winner is the Greenworks 60V 16″ Brushless because it combines gas-level cutting power, a generous 16-inch swath, a fast spin-to-load head, and quiet operation — all at a price that undercuts premium competitors by a wide margin. If you want the most comfortable ergonomic package with automatic line feed that never needs bumping, grab the EGO POWER+ ST1620T. And for a budget-friendly cordless pickup that handles a typical suburban yard and converts to an edger, nothing beats the value of the WORX WG163.