Best Cheap Weed Wacker: 5 Cordless Trimmers That Actually Earn Their Keep

Every spring, the same ritual plays out. You drag the old gas trimmer from the shed, wrestle with the primer bulb, and pull the cord until your arm aches. When it finally sputters to life, the smoke makes your eyes water, and the vibration numbs your hands. There has to be a better way to keep the edges of your lawn looking sharp without spending a fortune or needing a mechanic’s patience.

That search for an affordable, reliable, and user-friendly trimmer is exactly where most people get stuck. The market is flooded with options, and the spec sheets all look similar on the surface. After digging through the noise and testing the practical realities of budget-friendly cordless models, a clear picture emerges. The best cheap weed wacker isn’t just the one with the lowest price tag; it’s the one that offers the right balance of power, runtime, and ergonomics for your specific yard.

We’ve narrowed the field to five cordless contenders that deliver genuine value without the premium price tag. From the versatile WORX 2-in-1 to the surprisingly capable WeGofly 4-in-1, each of these tools solves a specific problem. We’ll break down who each one is for, where they shine, and the trade-offs you need to know before you click buy. For a deeper look at how these compare to heavier-duty models, check out our guide on the best heavy duty weed wacker for context.

Here is a quick look at how the key specs stack up:

Features	WORX WG163	BeautFirst 12″	WeGofly 13″	SEYVUM 12″	goodjob 20V
Cutting Width	12 inches	12 inches	13 inches	12 inches	12 inches
Battery Included	20V (1 pack)	2x 5.0Ah	2x 6.0Ah	2x 2.0Ah	2x 2.0Ah
Primary Modes	Trimmer & Edger	Trimmer, Edger, Mower	Trimmer, Edger, Mower, Brush Cutter	Trimmer & Edger	Trimmer, Edger, Weed Cutter
Key Feature	GearDrive & Wheels	Foldable Pole	Steel Gears & 3 Blade Types	Auto Line Feed	Ultra-Lightweight
Best Use Case	Precise Edging	Adjustable Heights	Tough Weeds & Shrubs	Small, Tight Lawns	Seniors & Beginners

WORX 20V 2-in-1

The WORX WG163 is the Swiss Army knife of the budget category. It’s a string trimmer and a wheeled edger in one, and the conversion takes seconds without any tools. This is the pick for homeowners who obsess over a crisp, clean line between the grass and the sidewalk or driveway.

What sets this apart is the edger mode. The rubberized wheels guide the machine along the pavement, which takes the guesswork and back strain out of edging. The head tilts 90 degrees, so you can handle sloped terrain that trips up other models. The push-button line feed is a small quality-of-life win, and WORX’s free spools for life program means you will likely never buy trimmer line again.

Honest trade-offs? The 20V battery platform isn’t the most powerful here. It will handle regular weekly maintenance on a small to medium yard, but don’t expect it to chew through overgrown fields. The cutting width is a standard 12 inches, which is fine, but it’s not a speed demon. It feels best in the hands of someone who values precision edging over raw clearing power.

• 2-in-1 design converts between trimming and edging without tools
• Push-button line feed eliminates bumping the head on the ground
• Rubberized wheels on the edger attachment ensure straight lines
• Adjustable spacer guard protects plants and landscape features
• Head tilts 90 degrees for slopes and hard-to-reach spots

Best for: The detail-oriented homeowner who wants a precise, walkable edger that also handles routine trimming, all without needing a separate tool.

BeautFirst 12-Inch Cordless

If the WORX felt like a specialist, the BeautFirst is the opposite. This is a generalist built for adaptability. It brings a 3-in-1 function set (trimmer, edger, and a mini mower attachment) and pairs it with two 5.0Ah batteries. That battery capacity is the headline here, offering over 60 minutes of combined run time, which is substantial for this price tier.

The design philosophy is all about fitting the tool to the user. The pole is detachable and adjustable in length, and the handle rotates up to 180 degrees. The trimmer head itself tilts up to 90 degrees. This level of adjustability means a 6-foot-tall person and a 5-foot-2 person can both use it comfortably without bending over or reaching up. The auto-feed line system keeps the string at the optimal length, so you aren’t constantly stopping to fix it.

There are some limitations to keep in mind. The motor is not a brushless unit, so it won’t have the sheer torque of pricier models. It’s best for regular grass and light weeds, not thick brush. The assembly is simple, but the detachable pole means you should double-check the locking mechanism before tackling a big job. It is a solid, versatile choice, but not a powerhouse.

• Comes with two 5.0Ah batteries and a fast charger for extended runtime
• Fully adjustable pole length and 180-degree handle rotation
• 3-in-1 functionality includes a wheeled edger and a grinding wheel for mowing
• Auto-feed line system with a protective cover for safety
• Safety lock button prevents accidental starts

Best for: Households with multiple users of different heights who need one lightweight tool that can trim, edge, and handle small mowing touch-ups.

WeGofly 13-Inch Electric

Let’s be clear: the WeGofly is the overachiever in this group. It steps up the game with a 13-inch cutting width and a brushless motor spinning at 15,000 RPM. More importantly, it features a steel gear set, a component usually reserved for more expensive machines. That means it handles thicker weeds and small shrubs without the motor bogging down or burning out.

The 4-in-1 versatility is impressive. Beyond standard trimming and edging, it converts into a brush cutter. You can swap between trimmer line, metal blades, and saw blades. This makes it the only pick here that can genuinely tackle woody, overgrown areas. With two 6.0Ah batteries included, it also has the stamina to match its aggression. The whole unit weighs just 5.2 pounds, which feels surprisingly light for a tool with this much capability.

The trade-off is complexity. With more modes and blade types, there is a learning curve. Swapping blades requires a bit more attention than just clicking in a spool. The 13-inch head is wider, which is great for open areas but can feel slightly less nimble when threading through a tight flower bed. It is a powerful tool that requires a careful hand at lower speeds.

• 4-in-1 design: trimmer, edger, mini mower, and brush cutter
• Brushless motor with premium steel gears for anti-burn durability
• Includes three cutting types: line, metal blade, and saw blade
• Two 6.0Ah batteries provide extended run time for large yards
• 13-inch cutting width improves overall efficiency

Best for: Owners with larger, more demanding yards who want one budget-friendly tool that can transition from neat lawn edges to clearing rough brush.

SEYVUM 20V Cordless

Sometimes, you just need a simple tool that works. The SEYVUM is that tool. It’s a straightforward 2-in-1 trimmer and edger that focuses on doing the basics really well. It feels like a direct competitor to the WORX but simplifies the experience with an automatic line feed system that actually works smoothly without bumping.

This pick is ideal for smaller yards and lighter tasks. The 20V motor is adequate for grass and small weeds. It comes with two 2.0Ah batteries and a one-hour fast charger. The kit also includes eight spools of line, which is a generous inclusion that saves you money right out of the gate—you won’t need to buy replacement line for a long time.

You have to manage your expectations on runtime and power. The 2.0Ah batteries are on the smaller side, so while you get up to 60 minutes total, you’ll likely swap batteries mid-job if you have a larger property. The adjustable head and handle are nice, but the build quality feels a step below the WeGofly. It is not built for heavy abuse, but for light, frequent maintenance, it’s a very dependable workhorse.

• 2-in-1 conversion from trimmer to wheeled edger
• Auto line feed provides a smooth, uninterrupted cutting experience
• Kit includes 8 spare spools of trimmer line
• 90-degree adjustable cutting head and 180-degree auxiliary handle
• Ergonomic, compact design for tight spaces

Best for: Budget-conscious buyers with smaller lawns who want a reliable, no-fuss tool for quick weekly touch-ups and clean edging.

goodjob 20V Cordless

Weight matters. The goodjob trimmer tips the scales at just 3.5 pounds. That makes it the lightest option in this roundup by a significant margin. For older adults, or anyone who finds standard trimmers heavy and unwieldy, this changes the game. You can hold it for extended periods without your arms feeling like rubber.

It doesn’t sacrifice features for that lightness. It offers the standard 3-in-1 functionality (trimmer, edger, weed cutter) with a 12-inch cutting swath. The 180-degree pivoting head is excellent for getting under fences and around obstacles. It also operates below 75 decibels, so you can use it early in the morning without waking the entire neighborhood. The auto-feed system is there, and it works.

The obvious sacrifice is power and runtime. The motor is not brushless, and the 2.0Ah batteries are the smallest in the lineup. It is perfect for light grass, but it will struggle with thick, wet weeds. The 40-60 minute runtime is a best-case scenario; heavy loads will drain it faster. This is a tool designed for comfort and ease of use, not for heavy-duty landscaping marathons.

• Ultra-lightweight 3.5 lb design reduces fatigue significantly
• 180-degree pivoting head for trimming under fences and around trees
• Low noise operation below 75 dB
• Tool-free assembly and easy line replacement
• Built-in safety switch for secure storage and operation

Best for: Seniors, beginners, or anyone with physical limitations who needs a manageable, quiet, and safe trimmer for basic yard maintenance.

How We Chose These Products

We started this search with a simple filter: cordless, under a reasonable budget, and available on Amazon. From there, we focused on value, not just price. A cheap tool that dies in a season is a waste of money. We looked for models with features usually found on more expensive machines, like brushless motors, steel gears, or multiple battery packs.

We also prioritized ergonomics and real-world usability. A spec sheet can say ‘adjustable,’ but we looked for how easily that adjustment translates to a comfortable working position for different body types. We weighed the importance of runtime against power and considered what type of yard each tool was realistically suited for. The final five represent distinct solutions to the common problem of maintaining a lawn without spending a fortune or breaking your back.

Buying Guide: What Really Matters

Before you pull the trigger, think about the motor type. Standard brushed motors are cheaper and fine for light work. Brushless motors, like the one in the WeGofly, are more efficient, generate less heat, and last significantly longer. If you have tough weeds or a larger yard, the extra cost for a brushless motor is worth it. If you only trim grass for 15 minutes a week, you can save the money.

Battery capacity is the other big variable. A 2.0Ah battery is fine for a small yard. But if you have a quarter-acre or more, you will want larger batteries (like the 5.0Ah or 6.0Ah options) or at least two batteries so you can swap them out when one dies. Look at the total run time, not just the voltage. A 20V trimmer with a 6.0Ah battery will run much longer than a 20V with a 2.0Ah battery.

Don’t ignore the cutting mechanisms. Auto-feed line systems are a huge convenience. Bump-feed systems require you to tap the head on the ground, which is annoying. Check if the head can tilt and if the handle is adjustable—these features determine how well the tool fits your body. For more context on what separates a good value from a bad one, see our analysis of the best weed wacker for the money.

Our Top Recommendation

After all the testing and comparison, the WeGofly 13-Inch Electric Weed Wacker stands out as the top pick. It offers the best combination of power, versatility, and battery life for the price. The brushless motor and steel gears put it in a different class regarding durability, and the ability to switch to a metal blade makes it useful for more than just grass. It’s the closest thing to a ‘do-it-all’ tool in this budget range.

That said, the best choice depends on your specific needs. If your priority is a perfect edging line and you value the wheeled guide, the WORX WG163 is the better fit. If you have physical limitations and need the lightest option available, the goodjob is the clear winner. And if you simply want the best runtime for a larger lawn without breaking the bank, the BeautFirst with its two 5.0Ah batteries is a very strong contender. For a broader view of cordless options, our best battery weed wacker guide covers more ground.

Frequently Asked Questions

How do I convert my trimmer to an edger?

Most 2-in-1 models, like the WORX and SEYVUM, have a simple release latch or button on the shaft. You press it, rotate the head 90 degrees, and lock it back into place. The WeGofly and BeautFirst require attaching a wheeled guide or adjusting the head angle. Always check the manual for the specific mechanism, but the process usually takes less than ten seconds.

Why does my trimmer line keep breaking?

This is usually a sign of using line that is too thin for the job or hitting hard surfaces like concrete edges at full speed. Try slowing down the RPM when edging along a sidewalk. Also, ensure you are using the correct diameter line for your model. The goodjob uses.065-inch line, which is standard, but using thicker line in a motor not designed for it can cause it to snap.

Can I use a metal blade on a trimmer meant for string only?

No, you should never put a metal blade on a trimmer that isn’t explicitly designed for it. The WeGofly is built with steel gears to handle the torque of a blade. Other models, like the WORX or SEYVUM, have plastic gears that will strip or break if you try to cut woody brush with a blade. Stick to string for those models.

How long does a battery actually last before it needs replacing?

Lithium-ion batteries degrade over time, usually lasting between 2 to 3 years of regular use. You’ll notice the runtime getting shorter before the battery completely fails. Storing them in a cool, dry place and avoiding leaving them on the charger for days after a full charge will extend their lifespan. When they do die, replacement costs are a factor to consider when buying a budget model.