Yardman Grass Trimmer

The weekend plan was simple. Cut the grass, tidy the edges, call it done. Then you find the corners the mower can’t reach, the thick weeds along the fence, and the strip of grass creeping over the sidewalk. A lawn mower handles the open yard. Everything else demands a trimmer.

A cordless grass trimmer carries that part of the job. The right one clears tall grass, trims around flower beds, flips to edging mode for walkways, and never ties you to an outlet. What separates a good one from a frustrating one comes down to motor power, battery runtime, head pivoting, and whether the thing stores without swallowing your garage.

I sorted through five cordless trimmers that cover the real range of yard work. There is a folding model for small lawns, a blade-based brush cutter for neglected lots, a 4-in-1 machine with the longest runtime, and two solid middle-ground options. Every one of them suits a different kind of yardman. Here’s who should buy which.

Here’s a quick side-by-side look at the key specs that drive the buying decision.

Features	SUNCHERS 20V	ALSO GO 24V	KOMASTY 20V	WeGofly 13″	VOL2GO 21V
Cutting Width	12 inches	Not stated	12 inches	13 inches	Not stated
Motor Power	9,500 RPM	650W, 11,000 RPM	9,500 RPM	15,000 RPM brushless	21V motor
Battery Setup	2 x 2.0Ah	2 x 2.0Ah 24V	2 x 2.0Ah	2 x 6.0Ah 21V	2 lithium batteries
Cutting System	Auto-feed string	5 swap blades	Auto-feed string	String plus 3 blades	Metal blade, stringless
Standout Feature	Folds flat, 8 spools	Telescopic shaft	3-way folding	4-in-1 tool	No line replacement

SUNCHERS 20V Cordless Trimmer

The one you buy when storage space matters as much as cutting power.

The SUNCHERS 20V is a straightforward 2-in-1 trimmer and edger aimed at homeowners who do weekly upkeep on a small or medium yard. It comes with an auxiliary wheel, so switching from trimming to edging means adjusting the shaft and cutting head rather than grabbing a second tool. Beginners will figure it out in a single session.

What stands out is the completeness of the package. The 9,500 RPM motor is genuinely strong enough for thick grass and the kind of stalky weeds that grow along fences. More importantly, you get two 2.0Ah batteries plus a charger, which works out to around 30 minutes of combined runtime. The real gem is the extras: eight spools and two spare spool caps included, so you won’t be buying line for a long time. The auto-feed system dispenses cord as needed, and the head pivots from 0 to 90 degrees for corners and tight spots.

The trade-off is runtime. Thirty minutes total is fine for a third-acre lot, but if you’re pushing toward half an acre or more, you’ll recharge before you finish. The line-based head also isn’t built for heavy brush, so keep this one in the lawn category. The folding shaft helps, but the latch can fight you the first few times until you learn the trick.

• 12-inch cutting swath for faster coverage
• 9,500 RPM motor handles thick grass and weeds
• Two 2.0Ah batteries deliver about 30 minutes combined
• Head adjusts 0u201390 degrees for corners
• Folds 180 degrees; includes 8 spools and 2 caps

Best for: Homeowners with small to medium yards who want a simple, storage-friendly trimmer for regular maintenance.

ALSO GO 24V Weed Wacker

The one for overgrown lots where string alone won’t cut it.

This is the tool you grab when the yard has stopped looking like a yard. The ALSO GO 24V is a blade-based weed wacker that ships with five interchangeable blades: metal blades for thick weeds and hedges, saw blades for branches and shrubs, and plastic blades for soft lawn grass. You swap attachments to match the vegetation instead of fighting it with trimmer line.

Power is the headline here. A 650W pure copper motor spins at 11,000 RPM no-load speed, which is meaningfully stronger than the typical 9,500 RPM string trimmer. The telescopic pole extends from 35 to 47 inches, so taller users don’t have to hunch, and shorter users can bring it down. The pivoting head handles slopes and hard-to-reach corners. Dual safety start switches mean you must engage a lock before the trigger works, a welcome touch if kids or pets roam around.

Nothing is perfect. The two 24V 2.0Ah batteries are on the smaller side, and the manual recommends a 15-minute rest after every 30u201345 minutes of running to cool the motor. Blade-based cutting is more aggressive, so you have to stay careful near walkways, garden edging, and anything you don’t want sliced. It’s also a bit more demanding on the arms than a light string trimmer, though the auxiliary wheel helps a lot.

• Five replaceable blades cover grass, weeds, and branches
• 650W copper motor hits 11,000 RPM
• Telescopic shaft adjusts from 35 to 47 inches
• Dual safety lock switches prevent accidental startup
• Support wheel improves control and reduces arm strain

Best for: Property owners facing brush, thick weeds, and small branches who need blade power over string convenience.

KOMASTY 20V String Trimmer

The one that disappears into a closet when the job is done.

The KOMASTY 20V answers a question most trimmers ignore: where do you put the thing when you’re finished? The shaft folds 180 degrees in three ways, so the whole tool collapses into a compact shape that stands upright in a closet, apartment entryway, or crowded garage. If storage is your bottleneck, this is the trimmer to beat.

It doesn’t sacrifice capability to earn that space. The 9,500 RPM motor cuts through thick meadow grass and overgrown weeds, and the 12-inch swath keeps big lawns from eating your whole afternoon. A 90-degree adjustable head and 180-degree rotatable handle give you the flexibility to trim under benches, along slopes, and into corners without contorting your body. The auto-feed line system releases cord as needed, so you don’t stop to bump the head every few feet.

The batteries are the weak point. Two 2.0Ah packs provide about 30 minutes total, which is honest but unspectacular. The auto-feed can also get finicky if you let the head drag against hard objects; the manual suggests keeping the head parallel to the ground and releasing the trigger before restarting line feed. This is a trimmer for regular maintenance, not for rescuing a field.

• Folds three ways for vertical, space-saving storage
• 12-inch cutting width and 9,500 RPM motor
• 90-degree head and 180-degree handle rotation
• Two 2.0Ah batteries for 30 minutes of work
• Easy 2-in-1 switch between trimming and edging

Best for: Apartment dwellers and small-yard owners who have no square footage to spare for power tools.

WeGofly 4-in-1 Weed Wacker

The one that does four jobs without breaking a sweat.

WeGofly built a single tool that acts as a string trimmer, lawn edger, mini mower, and brush cutter. That sounds like marketing fluff until you look at the parts list. It includes three types of cutting blades plus standard trimmer line, and the cutting head and telescopic pole both adjust. For a small property, this genuinely replaces a cabinet full of separate machines.

The spec sheet tells the real story. A 15,000 RPM brushless motor is the most powerful of the five, and it’s paired with a steel gear set that resists jamming and motor burnout. Then there’s the battery setup: two 21V 6.0Ah packs. That’s triple the capacity of the 2.0Ah batteries in the other trimmers, meaning this one keeps cutting long after the rest have gone back to the charger. All of it sits at a claimed 5.2 pounds, which makes it surprisingly easy to swing around.

The flip side is that bigger batteries mean longer charge times, so you’ll want to plug both packs in after a heavy session. The 4-in-1 design also means more parts to swap and keep track of. It costs more than the basic string trimmers, but you’re paying for a brushless motor, steel gears, and a runtime that actually covers a large yard in one pass.

• 13-inch cutting width covers ground fast
• 15,000 RPM brushless motor with steel gears
• Two 6.0Ah batteries provide the longest runtime here
• Works as trimmer, edger, mini mower, and brush cutter
• Only 5.2 pounds with adjustable pole and head

Best for: Larger yards and anyone who wants one tool to handle all trimming, edging, and light brush work.

VOL2GO Cordless Brush Cutter

The one for people who hate feeding trimmer line.

Traditional string trimmers are fine until the line snaps, jams, or runs out mid-strip. The VOL2GO skips that whole annoyance with a durable metal blade and a stringless design. Spinning at 21V through thick grass and stubborn weeds, it cuts with a clean, slicing action instead of a flailing-line one.

It’s also a 3-in-1 tool, switching between trimming, edging lawn borders, and cutting thicker plants. The lightweight, balanced frame makes it easy to maneuver around fences, trees, and garden beds for longer stretches. Dual rechargeable batteries mean you can swap packs and keep going, which is exactly how you handle a full yard without waiting for a charger.

But a metal blade cuts differently than string. You have less forgiveness when you brush against a rock, concrete edge, or ornamental plant. The blade will also dull with heavy use, and replacement isn’t as simple as pulling fresh line from a spool. It’s worth buying a spare blade early if you plan to clear rough ground.

• Durable metal blade, no string replacement needed
• 21V motor cuts thick grass and overgrown weeds fast
• 3-in-1 trimmer, edger, and brush cutter
• Two rechargeable lithium batteries included
• Lightweight design reduces arm fatigue

Best for: Users who want the simplicity of a blade cutter and don’t want to fuss with line feed systems.

How We Chose These Products

I looked for trimmers that solve real problems rather than just posting impressive spec sheets. That meant evaluating motor power, battery capacity, cutting head flexibility, and storage footprint, then matching those specs to the actual work each tool does. A 9,500 RPM motor sounds good until you realize it’s attached to a 2.0Ah battery that dies in 15 minutes. Runtime and cutting strength had to work together.

I also paid attention to the details that don’t show up in product photos. How many spare spools are included? Does the pole adjust for different heights? Are there safety locks to prevent accidental startups? Can you switch from trimming to edging, or do you need a second tool? The five picks here each bring a genuinely different balance of those factors, so the right choice depends on the yard and the user.

Buying Guide: What Really Matters

Battery voltage and amp-hours tell you how long and how hard a trimmer works. A 2.0Ah pack gives you a quick pass around a small lawn, while a 6.0Ah pack can finish a full property. Remember that voltage isn’t power by itself. The motor design, especially brushless versus brushed, matters just as much. Brushless motors run cooler and last longer, which is why the WeGofly and some higher-end units use them.

Cutting width and head adjustment shape how the tool feels in practice. A wider 12- or 13-inch swath clears more grass per pass, useful on open lawns. A head that pivots 90 degrees and a telescopic shaft get you under bushes, along sidewalks, and onto slopes without hunching. If you have tight corners or raised flower beds, flexible adjustment matters more than a couple of extra RPMs.

Think about what you’re cutting. Pure string trimmers are perfect for weekly lawn maintenance and soft grass. Blade-based brush cutters handle thick weeds, small saplings, and neglected lots. The yardman who wins is the one who matches the tool to the terrain. If the name ‘Yard-Man’ rings a bell because you inherited an older gas model, the manuals collection at Manua.ls has you covered, but modern cordless options are lighter and far less fuss.

Our Top Recommendation

The WeGofly 13″ 4-in-1 is the best overall pick