"Weed eater," "weed wacker," "string trimmer" — they're all the same tool. If you've been searching for the best electric weed eater and getting confused by the jumble of names, marketing buzzwords, and 50+ models on the shelf, you're in the right place.
This guide cuts through the noise. We'll clear up the name confusion in 30 seconds, then walk through the five specs that actually matter when picking an electric weed eater, the features that sound impressive but don't, and the Greenworks 80V model most homeowners should consider first.
Weed Eater vs Weed Wacker vs String Trimmer — A Quick Clarification
All three names describe the same tool: a handheld lawn tool with a spinning head that uses thin nylon string to cut grass and weeds in places a mower can't reach.
"Weed Eater" is actually a brand name from the 1970s — one of the first companies to mass-market the tool. The brand became so popular that "weed eater" turned into a generic term, the way "Kleenex" replaced "facial tissue." "Weed wacker" (also Weed Wacker®) is another brand name that did the same thing. The technical name is "string trimmer."
For this guide, we'll use "electric weed eater" since that's what most homeowners search for — but everything we say applies equally if you call it a string trimmer, weed wacker, or grass trimmer.
Why Electric Weed Eaters Took Over
Five years ago, the conventional wisdom was: gas weed eaters were more powerful and electric ones were for small yards. That's no longer true. Three things changed:
- Brushless motors close the torque gap with gas. Modern 80V cordless trimmers deliver the cutting power of a 27cc gas engine.
- Lithium-ion batteries got smaller, lighter, and more powerful. A single battery now runs a trimmer for 45+ minutes — enough for most quarter-acre to half-acre yards.
- Quality of life. No fuel mixing, no pull-starting, no gas fumes, no oil changes, no spark plugs to replace. Push a button and go.
The result: electric weed eaters now match gas on performance for residential use, and they beat gas on convenience, noise, and total cost of ownership. That's why the category exploded.
The 5 Specs That Actually Matter
Walk into any home improvement store and you'll see weed eaters advertised on dozens of features. Most don't matter. These five do:
1. Power Source: Corded vs. Battery
"Electric" can mean either:
- Corded electric: Plugs into a wall outlet. Cheaper, unlimited runtime, but tethered to an extension cord (most cap at 100 feet). Fine for small yards near an outlet.
- Battery (cordless): Removable lithium-ion battery. More expensive upfront, but completely portable. Best for almost everyone.
This guide focuses on battery powered weed eaters since that's what most homeowners want today.
2. Voltage
Voltage is the closest thing to a "horsepower" rating for cordless tools. More voltage = more torque, longer runtime, better performance under load.
- 20V to 40V: Light-duty. Small yards, regular maintenance only. Will bog on thick weeds.
- 60V: Mid-range. Handles most residential trimming including occasional heavy work.
- 80V: Gas-equivalent power. Tackles anything a homeowner will face — weeds, brush, thick grass.
3. Cutting Width
How wide a path the trimmer cuts per pass. Wider = faster, but heavier and harder to maneuver in tight spots.
- 12"–14": Tight yards with lots of landscaping
- 15"–16": The sweet spot for most homeowners
- 17"+: Larger properties, open spaces
4. Line Diameter
This is the underrated spec. Thicker line cuts tougher material:
- 0.065": Light grass and edging only
- 0.080": Standard residential — handles weekly maintenance plus weeds
- 0.095" and up: Heavy duty — thick weeds and brush
5. Weight
You'll be holding this thing at arm's length, sometimes for 30+ minutes. Lighter trimmers feel dramatically better over time. Most quality cordless trimmers land between 8 and 12 pounds. Front-mounted motors put the weight forward, which feels lighter in use even at the same total pound count.
Features That Sound Good But Don't Matter
Marketing teams know what gets attention. Here's what you can safely ignore:
- LED lights on the trimmer. You're not trimming weeds at night.
- "Telescoping" shafts. Adjustable length sounds useful but most homeowners set it once and forget. Sturdy beats adjustable.
- "Auto-feed" line systems. Sounds convenient but failure-prone. A simple bump-feed head is more reliable and easier to maintain.
- Bluetooth, app integration, "smart" features. A weed eater doesn't need a phone connection. These add cost without value.
- Excessive accessory bundles. Hedge trimmer attachments, edger attachments, blower attachments — they sound versatile but most homeowners use one or two attachments and forget the rest. Buy what you'll actually use.
Best Electric Weed Eaters by Yard Size
The right weed eater depends on what you're cutting:
| Your Yard | What You Need | Why |
|---|---|---|
| Townhouse / small lot | 20V–40V corded or compact battery, 12"–14" cut | Light grass only, short sessions |
| Standard suburban yard | 60V or 80V battery, 15"–16" cut, 0.080" line | Weekly maintenance + occasional weeds |
| Half-acre+ with weeds or brush | 80V battery, 16"–17" cut, 0.080"–0.095" line | Heavy trimming, gas-equivalent power |
The Best 80V Electric Weed Eater from Greenworks
For most Canadian homeowners with a standard suburban yard or larger, the Greenworks 80V 16" Brushless Front-Mounted String Trimmer is the sweet spot — gas-equivalent power without the gas hassle. Here's how it stacks up against the framework above:
| Spec | Greenworks 80V 16" Front-Mounted |
|---|---|
| Power source | 80V battery (2.0Ah included) |
| Gas equivalent | 27cc |
| Cutting width | 16" |
| Line diameter | 0.080" dual-line bump feed |
| Motor | Brushless, front-mounted |
| Shaft | Straight aluminum |
| Trigger | Variable speed |
| Weight | ~9.8 lbs |
| Runtime | Up to 45 minutes per charge |
| Charge time | 30 minutes |
| Warranty | 4-year tool + battery |
Why this model for most homeowners. It hits all five "specs that matter" in the right zone for residential use. The 80V brushless motor delivers torque equivalent to a 27cc gas trimmer — handles weeds without bogging. The 16" cutting width is wide enough to finish fast but small enough to maneuver around landscaping. The 0.080" dual-line bump feed is the right durability level for residential weekly use. The variable-speed trigger gives you fine control around plants and full power on weeds. And the front-mounted motor balances the trimmer forward, so it feels lighter than its 9.8 lbs in actual use.
Battery platform advantage. The 80V battery in this trimmer works across all 75+ Greenworks 80V tools — mowers, blowers, chainsaws, hedge trimmers, snow throwers. Buy into the platform once and you skip the battery cost on every future tool purchase.
FAQ
Can an electric weed eater handle thick weeds?
The right one can. Look for 60V or higher voltage, 0.080" line minimum, and a brushless motor. The Greenworks 80V 16" Front-Mounted has all three, plus 27cc gas-equivalent power. It handles thick residential weeds without bogging.
Is 20V or 40V enough for a small yard?
For light grass trimming on a small lot, yes. For anything beyond simple maintenance — weeds, edges, occasional thicker grass — you want at least 60V. Most homeowners regret going too low on voltage within the first season.
How long does the battery last per charge?
Depends on voltage, battery amp-hours, and grass conditions. The Greenworks 80V on a 2.0Ah pack delivers up to 45 minutes — enough for most quarter-acre to half-acre yards. A larger 4.0Ah or 8.0Ah pack roughly doubles or quadruples that.
How long do the batteries last over the years?
A quality lithium-ion battery lasts 3–5 years of regular homeowner use before noticeable capacity loss. Store it indoors at room temperature, keep it charged during winter, and check the charge every couple months for maximum lifespan.
What's better — front-mounted or rear-mounted motor?
Front-mounted motors balance the trimmer forward, making it feel lighter and giving better cutting visibility. Rear-mounted motors are more common on entry-level trimmers and shift weight back into your hands. Front-mounted is the upgrade.
Should I get a corded or battery weed eater?
Battery for almost everyone. Corded is cheaper upfront and has unlimited runtime, but the extension cord is a hassle and limits your range. Unless your yard is very small and right next to an outlet, battery is the better long-term buy.
Make the Right Pick
If your yard has any meaningful weeds, edges, or trimming work, an 80V battery weed eater with a 16" cut path and 0.080" line is the right tool. The Greenworks 80V 16" Brushless Front-Mounted String Trimmer is built for exactly that homeowner — gas-equivalent power, front-mounted balance, 4-year warranty, and full compatibility with the 80V tool ecosystem.
Keep reading:
- One Battery System Saves You Money — The Greenworks Ecosystem — Why staying inside one battery platform saves Canadian homeowners hundreds.
- Greenworks 80V vs EGO 56V — The Battery Showdown — Battery technology, power delivery, and ecosystem compared.
- Greenworks vs Ryobi — A Canadian Buyer's Comparison — Power, price, and value compared head-to-head.
- Greenworks Lawn Mower Review — Every Model for 2026 — Pairing your trimmer with the right mower.