You walk outside on a Saturday morning and the grass along your fence line is halfway to your knees. The gas trimmer in the garage hasn’t started since last fall. You want something that fires up instantly, weighs less than a toddler, and doesn’t require a trip to the hardware store for a spark plug.
A good electric yard trimmer solves that. The right one for you depends on three things: how big your yard is, whether you have an outlet nearby, and what you actually plan to cut. Battery voltage, cutting swath, shaft design, and weight matter far more than marketing labels. Noise levels and battery ecosystem lock-in matter too, and most buying guides skip both.
This roundup covers four trimmers that handle genuinely different jobs. A corded hedge trimmer for shaping shrubs. A 4-in-1 cordless system for mixed yard work. A lightweight 2-in-1 for detail jobs. And a wheeled weed wacker built for people who don’t want to bend or strain. Each section includes honest limitations, not just praise.
Here’s a quick side-by-side of the key specs before we get into the details.
| Features | BLACK+DECKER BEHT150 | WeGofly 13″ Weed Wacker | KOMASTY 2-in-1 Trimmer | ALSO GO 24V Wacker |
|---|---|---|---|---|
| Power Source | Corded 3.2 amp | 2x 21V 6.0Ah batteries | 2.0Ah battery, Type-C cable | 2x 24V 2000mAh batteries |
| Cutting Width | 17-inch blade | 13-inch swath | 4.52-inch width | 6-inch saw blade |
| Weight | Lightweight compact design | 5.2 lbs | Lightweight build | 2.65 lbs |
| Best Use Case | Hedge and shrub shaping | Mixed yard and brush | Detail trimming and edging | Low-effort trimming, slopes |
| Key Advantage | No battery, constant power | 4 tools in one | 60-minute runtime | Built-in wheel, no bending |

In this article
BLACK+DECKER Electric Hed…
BLACK+DECKER
BLACK+DECKER Electric Hedge Trimmer, 17-Inch Corded 3.2 Amp, Dual Action, Reduced Vibration, Cleaner Cut, Lightweight, 3800 Cuts per Min (BEHT150)
- Smooth Cutting Action: The 17-inch dual-action hardened steel blade reduces vibration for comfortable trimming with power hedge tr…
- Reliable Motor Performance: The 3.2 amp motor efficiently trims branches up to 5/8 inch thick, making this a dependable hedge trim…
- Lightweight Convenience: Compact, easy-to-handle design helps minimize fatigue during longer trimming sessions with a small hedge…
The BEHT150 is a corded hedge trimmer, not a string trimmer. That distinction matters. If your main problem is overgrown hedges, boxwoods, or shrubs along a fence, this tool does the job. If you need to knock down tall grass, buy something else. Best for homeowners with a defined hedge line and an outdoor outlet within reach of a standard extension cord.
The 3.2 amp motor cuts branches up to 5/8 inch thick, which covers most routine hedge maintenance. The 17-inch dual-action blade is the real standout here. Dual-action means both blade rows move, which cuts vibration roughly in half compared to single-action designs. That translates to less hand fatigue during a 30-minute shaping session. At 3,800 cuts per minute, it moves through soft growth quickly. The cord retention system is a small feature that prevents a genuinely annoying problem: the cord yanking loose mid-cut.
Here’s the honest part. Corded tools limit your range to the length of your extension cord. You’ll want a 14-gauge cord for runs over 50 feet, or you’ll notice the motor bogging down from voltage drop. The 5/8-inch branch limit also means anything thicker needs loppers first. And there’s no edging or string-trimming function here at all. This is a single-purpose tool.
- 17-inch dual-action hardened steel blade reduces vibration
- 3.2 amp motor handles branches up to 5/8 inch thick
- Cord retention system stops accidental unplugging
- Full-length trigger and T-handle for controlled shaping
- Compact design minimizes fatigue on longer sessions
Best for: Homeowners who need a dedicated hedge and shrub shaper and have an outlet close enough to run a cord.
WeGofly 13″ Electric Weed…
WeGofly
WeGofly 13" Electric Weed Wacker, 4 in 1 Cordless String Trimmer/Lawn Edger/Lawn Mower/Brush Cutter with Steel Gears, 2×21V 6.0Ah Batteries & Charger, 5.2 LBS Lightweight Grass Trimmer for Yard Garden
- 🌿🌿【4-in-1 Multifunctional Garden Tool】:All-in-one design works as string trimmer, lawn edger, mini lawn mower and brush cutter. Pe…
- 🌿🌿【3 Types of Cutting Blades】:The newly designed Weed Wacker can DIY switch between trimmer lines, metal blades, and saw blades to…
- 🌿🌿【2x6.0Ah Long Lasting Battery & No Frequent Charging】:Comes with two upgraded 21V 6.0Ah rechargeable batteries and a matched cha…
The WeGofly is the most versatile tool in this group. It converts between string trimmer, lawn edger, mini mower, and brush cutter. That’s four tools from one purchase, which is genuinely useful if you have a mix of grass, weeds, and small shrubs. Best for renters, first-time homeowners, or anyone who wants one tool to cover most yard tasks without buying a trimmer, edger, and brush cutter separately.
Two 21V 6.0Ah batteries ship in the box. That’s a meaningful amount of capacity for this class. Most budget trimmers include one 2.0Ah battery, so having two 6.0Ah packs means you can finish a full session without a mid-job recharge. The 15,000 RPM brushless motor paired with steel gears gives it more grunt than the voltage number suggests. Brushless motors run cooler and last longer than brushed ones, which addresses the burnout problem common in cheap cordless trimmers. The 13-inch cutting width is wide enough to cover ground efficiently. Three blade types (trimmer line, metal blade, saw blade) let you match the cutter to the job.
The trade-off is weight and complexity. At 5.2 lbs, it’s manageable but heavier than the ALSO GO. Swapping between four modes and three blade types takes practice. The instructions aren’t the clearest, and first-time users may need a few sessions to get comfortable with the conversion process. Battery charge time isn’t specified, so plan around that.
- 4-in-1 design: trimmer, edger, mini mower, brush cutter
- Two 21V 6.0Ah batteries included for extended runtime
- 15,000 RPM brushless motor with steel gear set
- 13-inch cutting width for efficient coverage
- Adjustable head and telescopic pole fit different heights
Best for: Anyone who wants one cordless tool to handle trimming, edging, mowing small patches, and light brush clearing.
2 in 1 Hedge Trimmer Cord…
KOMASTY
2 in 1 Hedge Trimmer Cordless, Electric Bush Trimmer, Type-C Cable Included | 7.2V Lightweight Powered Hedge Shears, Mini Grass Cutter, Handheld Grass Shears, Shrub Trimmer, Yard Tools Gifts for Men, Dad
- [2-in-1 Hedge Trimmer and Grass Shear] This 2-in-1 hedge trimmer and grass shear lets you effortlessly swap heads in seconds—conve…
- [Extended 60 Mins Battery Life] Equipped with a high-capacity 2.0Ah battery, it offers up to 60 minutes of runtime on a single cha…
- [Powerful and Precise Cutting] The powerful 1250 RPM motor drives precision dual-action blades to slice through tender stems and t…
KOMASTY built this for precision work. The 2-in-1 design swaps between a hedge trimmer head and a grass shear head in seconds. That makes it ideal for shaping small hedges, edging sidewalks, and cleaning up flower beds. Best for gardeners who care about detail work and don’t need to clear large areas of tall grass.
The 2.0Ah battery delivers up to 60 minutes of runtime per charge, which is impressive for a tool this size. The 1,250 RPM motor drives dual-action blades through stems and grass without bogging down. A 4.52-inch cutting width and 7.28-inch blade length give you enough reach for thin twigs and overgrown edges. The low-noise design is a real benefit if you have neighbors close by or pets that hate loud equipment. Dual-switch activation prevents accidental starts, and the soft-grip handle keeps wrist strain low.
Two things to know before buying. First, the package includes a Type-C charging cable only. No wall charger. You’ll need a USB power adapter, which most people already have, but it’s worth confirming. Second, the 0.31-inch branch limit is tighter than the BLACK+DECKER’s 5/8-inch capacity. This is a detail tool, not a heavy-duty cutter. The 4.52-inch width also means more passes on larger areas.
- 2-in-1 heads swap between hedge trimmer and grass shear
- 60 minutes of runtime from a 2.0Ah battery
- 1,250 RPM motor with dual-action precision blades
- Quiet operation suitable for suburban neighborhoods
- Dual-switch safety and ergonomic soft-grip handle
Best for: Gardeners who need a quiet, lightweight tool for shaping hedges, edging walkways, and tending flower beds.
ALSO GO 24V Electric Weed…
The ALSO GO stands out for one reason: it has wheels. That changes the ergonomics completely. You push it along the ground instead of holding it in the air. For anyone with back problems, limited grip strength, or who simply tires of carrying a trimmer, this design makes a real difference. Best for seniors, people with mobility concerns, or anyone trimming on slopes and uneven ground.
At 2.65 lbs, it’s the lightest tool here by a wide margin. The telescoping pole adjusts from 92cm to 122cm, so it fits a range of heights. The cutting head rotates 0 to 90 degrees, which helps on slopes and around obstacles. Three blade types cover different jobs: a 6-inch saw blade for branches, stainless steel blades for tough weeds, and plastic blades for regular grass. Two 24V 2000mAh batteries provide enough runtime for most residential yards. The 11,000 RPM motor isn’t the fastest in this group, but the wheel-assisted design means you’re not fighting the tool’s weight while it works.
Speed is the trade-off. At 11,000 RPM, it’s slower than the WeGofly’s 15,000 RPM. Thick, wet grass may require a second pass. The wheel also limits you to relatively flat or gently sloped ground. It won’t work well on steep banks or in dense brush. And the 6-inch saw blade is small compared to a dedicated brush cutter.
- Built-in wheel for stable, fatigue-free operation
- Weighs only 2.65 lbs, the lightest in this roundup
- Three blade types: saw, stainless steel, and plastic
- Telescoping pole adjusts from 92cm to 122cm
- Dual-switch safety system prevents accidental starts
Best for: Seniors, women, and anyone who wants to trim without bending, lifting, or straining their back.
How We Chose These Products
We started with the jobs people actually need to do: trimming grass along fences, edging driveways, shaping hedges, and clearing weeds. Then we looked at which tools solve those jobs without creating new problems. Runtime, weight, cutting capacity, and safety features carried the most weight in our evaluation. A trimmer that cuts well but exhausts you in 10 minutes isn’t a good tool.
We also factored in what’s missing from most buying guides. Battery ecosystem lock-in, cord gauge requirements for corded models, and noise levels all affect long-term satisfaction. A tool with a great motor but a proprietary battery that costs half the trimmer’s price to replace isn’t a bargain. We flagged those issues where they apply. For additional independent testing data, Consumer Reports publishes expert-tested trimmer reviews that complement our hands-on analysis.
Buying Guide: What Really Matters
Voltage gets all the attention, but runtime matters more. A 40V trimmer with a 2.0Ah battery runs about as long as a 20V trimmer with a 4.0Ah battery. Amp-hours tell you capacity. Voltage tells you power. You need both numbers to estimate real-world runtime. For a quarter-acre lot, aim for at least 30 minutes of actual cutting time. That usually means two batteries or one high-capacity pack.
Cutting swath determines how many passes you make. A 13-inch swath covers ground about twice as fast as a 9-inch swath. For large open areas, wider is better. For detail work around flower beds and tight corners, a narrower swath gives you more control. Line diameter matters too. Thicker line (0.080 inch and up) handles heavier weeds but drains battery faster. Bump feed lets you advance line by tapping the head on the ground. Auto-feed advances line automatically. Manual feed requires stopping to pull line out by hand.
Noise is the forgotten spec. Gas trimmers run 95 to 105 decibels. Electric models typically run 75 to 85 decibels. That’s a noticeable difference, especially if you have close neighbors or an HOA with quiet hours. Corded models are usually quieter than battery-powered ones because there’s no motor controller whine.
For corded trimmers, extension cord gauge matters more than most people realize. A 16-gauge cord works for runs under 25 feet. For 50 feet, use 14-gauge. For 100 feet, use 12-gauge. Undersized cords cause voltage drop, which makes the motor run hot and cut weaker. It’s a cheap fix that prevents premature tool failure.
Our Top Recommendation
The WeGofly 13″ Electric Weed Wacker is our top pick for most people. The 4-in-1 design covers trimming, edging, mowing, and light brush clearing. Two 6.0Ah batteries mean you won’t stop mid-job to recharge. The brushless motor and steel gears address the durability problems that plague budget cordless trimmers. It’s not the lightest or the cheapest option, but it replaces three or four separate tools, which makes the total cost of ownership lower than it first appears.
If you need a dedicated hedge shaper and have an outlet nearby, the BLACK+DECKER BEHT150 is the better choice. Its 17-inch dual-action blade and 5/8-inch cutting capacity outperform the other tools for shrub work. For quiet, precise detail trimming, the KOMASTY 2-in-1 is the pick. And if back strain or mobility is your main concern, the ALSO GO’s wheeled design and 2.65-lb weight make it the most comfortable tool to use for extended periods.
One more consideration: who should not buy electric? If you’re clearing half an acre of overgrown brush or blackberry brambles, a gas brush cutter is still the right tool. Electric trimmers work best for maintained yards under a quarter acre. For everything else, they’re lighter, quieter, and easier to start. LawnStarter’s electric trimmer reviews cover additional models if none of these four fit your specific situation.
Frequently Asked Questions
How long do batteries actually last per charge?
Runtime depends on voltage, amp-hours, and how hard you’re cutting. The KOMASTY’s 2.0Ah battery delivers up to 60 minutes of light trimming. The WeGofly’s two 6.0Ah packs provide enough combined capacity for most residential yards. The ALSO GO’s two 24V 2000mAh batteries handle typical suburban lots. Heavy cutting drains batteries faster than light trimming. Wet grass and thick weeds are the biggest runtime killers.
Are electric trimmers as powerful as gas?
For routine yard maintenance, yes. Modern brushless motors deliver consistent torque without the starting problems, exhaust, and maintenance that gas engines require. The WeGofly’s 15,000 RPM motor cuts through weeds and small shrubs without bogging down. Where gas still wins is sustained heavy clearing: thick brush, saplings, and multi-acre properties. For a typical suburban yard, electric is the better choice.
What size trimmer do I need for my yard?
Under a quarter acre: any of these four will work. A quarter to half acre: look for two batteries or a corded model with a long extension cord. Over half an acre: consider a higher-voltage cordless system or a gas trimmer. Cutting swath matters too. A 13-inch swath covers ground faster than a 4.5-inch one, but the narrower tool gives you more control around landscaping.
Do I need a special extension cord for a corded trimmer?
Yes. Use a 14-gauge outdoor-rated cord for runs up to 50 feet. For 100 feet, step up to 12-gauge. A 16-gauge cord will cause voltage drop on longer runs, which makes the motor run hot and cuts weaker. The BLACK+DECKER BEHT150 draws 3.2 amps, so a 14-gauge cord handles it comfortably at typical residential distances. Always use an outdoor-rated cord with a grounded plug.

