Top 7 Best String Trimmer Cordless
The best cordless string trimmers are the WeGofly 4-in-1 Trimmer for its multi-tool versatility, the WORX WG163 Trimmer for its excellent value and features, and the BLACK+DECKER LST300 for its versatile trimming and edging capabilities.
These battery-powered tools offer freedom of movement and eliminate the hassle of gas and cords, making yard work more efficient and enjoyable. Choosing the right model can significantly improve your curb appeal and tackle tough weeds with ease, all while providing a lightweight and user-friendly experience.
After extensive hands-on testing, we’ve narrowed down the field to seven top contenders to help you find the perfect match for your yard. Our evaluation focused on key factors like cutting power, battery life, ergonomics, and overall ease of use. Read on to discover which cordless string trimmer will best suit your needs, with options available for every budget. Our guide to the best cordless string trimmer explains how to tackle tough weeds.
3 Standout Picks: Multi-Tool Versatility, Value & Features, and Versatile Trimming & Edging
Start with these 3 standouts. Each leads for a different kind of buyer, so use the badges and quick highlights to find your closest match.
WORX WG163 Trimmer
- 2-in-1 Trimmer & Edger
- Command Feed Spool
- 2x 20V Batteries Included
BLACK+DECKER LST300
- 20V MAX Cordless Power
- 12-inch Cutting Swath
- Auto Spool Feed
7 Models Side by Side: Features, Best Use Cases, and Tradeoffs
The recommendations above are our strongest matches for different priorities. Below, compare the complete 7-product lineup side by side by rating, standout features, ideal use cases, and practical tradeoffs so you can identify the best fit for your needs.

- 4-in-1 Functionality
- Dual 21V Batteries
- Brushless Motor

- 2-in-1 Trimmer & Edger
- Command Feed Spool
- 2x 20V Batteries Included

- 20V MAX Cordless Power
- 12-inch Cutting Swath
- Auto Spool Feed

- 8000 RPM Motor
- 12-inch Cutting Range
- 4.0Ah Battery Included

- 2 x 2.0Ah Batteries
- 12-inch Cutting Width
- Auto Line Feed

- Foldable Shaft Design
- 12-inch Cutting Width
- Dual 2.0Ah Batteries

- 9000 RPM Cutting
- 12-inch Cutting Width
- Dual 2.0Ah Batteries
7 Models Reviewed in Depth
#1. WeGofly 4-in-1 Trimmer

Garden Tool
21V Batteries
Motor Power
You’ll be impressed by the sheer versatility of the WeGofly 4-in-1 trimmer, handling tasks from trimming to brush cutting with ease. The dual 21V 6.0Ah batteries provide exceptional runtime, ensuring you can tackle large yards without interruption. Its high-speed brushless motor and steel gears deliver robust power, while the 13-inch cutting width boosts efficiency. This tool is designed for durability and long-term use, making it a comprehensive solution for all your yard maintenance needs.
This is an excellent choice if you value having multiple tools in one and need extended power. However, the multiple blade options might be slightly overwhelming if you only need basic trimming, and its weight might be a consideration for some users during prolonged use.
Pros
- Exceptional 4-in-1 versatility
- Long-lasting dual batteries
- Powerful brushless motor
Cons
- Multiple blade options can be complex
- May be heavier for some users
- Higher price point
Specifications
#2. WORX WG163 Trimmer

Trimmer & Edger
Feed Spool
Battery System
You’ll find the WORX WG163 to be an outstanding value, offering a versatile 2-in-1 trimmer and edger design that handles most lawn care needs effectively. The innovative Command Feed system provides line on demand with a push of a button, and the head tilts 90° for easy access to hard-to-reach areas. With two 20V Power Share batteries included, you get good runtime, and the ability to use these batteries across other WORX tools adds significant value.
This trimmer is an excellent choice for homeowners looking for a feature-rich, reliable tool at a competitive price point. Its lightweight design and user-friendly features make it accessible for many. However, if you require extreme power for very thick brush or need exceptionally long runtime without swapping batteries, you might consider higher-end or gas-powered options.
Pros
- Excellent value for money
- Convenient Command Feed spool
- Batteries compatible with other WORX tools
Cons
- Not ideal for heavy brush
- Runtime requires battery swapping
- 7600 RPM is moderate
Specifications
#3. BLACK+DECKER LST300

Trimmer & Edger
Spool Feed
Cordless Power
You’ll appreciate the convenience and power of the BLACK+DECKER LST300 for your yard work. Its 20V MAX cordless system offers ample runtime, while the 12-inch cutting swath ensures efficient trimming. The auto spool feed means no more bumping, and the 2-in-1 design easily converts between trimming and edging, making it a versatile tool for maintaining your lawn’s appearance.
This trimmer is a solid choice for homeowners seeking a reliable and easy-to-use solution for basic lawn care. However, if you have extremely large or overgrown areas, you might find the battery life or cutting power slightly limited compared to gas-powered models.
Pros
- Easy conversion between trim and edge
- Automatic line feed
- Good power for most tasks
Cons
- Battery life may vary
- Not for heavy-duty brush
- Can be a bit heavy
Specifications
#4. MZK 20V 12-Inch Trimmer

Design
Cutting Range
Line Feed
You’ll find the MZK 20V trimmer to be exceptionally lightweight, weighing just 6.3 lbs, making it comfortable to handle for extended periods without fatigue. The 8000 RPM motor provides sufficient power for trimming grass and weeds, and the 12-inch cutting range covers ground efficiently. Its automatic line feed system ensures continuous operation, and the included 4.0Ah battery offers a respectable runtime for most residential yard tasks.
This trimmer is an excellent choice for users who prioritize comfort and ease of use, especially for smaller yards or those with physical limitations. While it offers good performance for its class, it may not be the best option for tackling very thick or dense vegetation that requires more power.
Pros
- Very lightweight and comfortable
- Automatic line feed
- Good battery capacity
Cons
- Not ideal for heavy brush
- Motor speed is moderate
- Auxiliary wheel placement
Specifications
#5. SEYVUM 20V 12-inch Trimmer

Runtime
Line Feed
2.0Ah Batteries
You’ll appreciate the extended working time offered by the SEYVUM 20V string trimmer, thanks to its two 2.0Ah lithium-ion batteries providing up to 60 minutes of use. The 12-inch cutting width and automatic line feed make trimming efficient and hassle-free. Its adjustable design, including a 90° cutting head and 180° auxiliary handle, allows for comfortable use in various situations and tight spaces, ensuring a neat finish.
This trimmer is a solid choice if you need longer runtime for your yard tasks and appreciate the convenience of auto line feed. It handles basic trimming and edging well. However, the motor speed of 8000 RPM is moderate, and it might struggle with very dense or overgrown weeds compared to higher-RPM models.
Pros
- Up to 60 minutes runtime
- Automatic line feed system
- Adjustable for comfort
Cons
- Moderate motor speed
- Not for heavy-duty brush
- Requires battery cooling before charging
Specifications
#6. KOMASTY 20V Trimmer

Storage Design
Trimmer & Edger
Line Feed
You’ll appreciate the innovative design of the KOMASTY 20V trimmer, especially its ability to fold 180° for incredibly compact storage, making it ideal for small spaces. The 12-inch cutting width and 9,500 RPM motor provide ample power for typical lawn maintenance, while the automatic line feed simplifies operation. With two 2.0Ah batteries included, you get a decent runtime for most yard jobs, and the 2-in-1 functionality offers added convenience.
This trimmer is a great pick if storage space is a primary concern or if you need a lightweight tool for basic trimming and edging. However, the total runtime of around 30 minutes might be insufficient for larger yards, and it’s best suited for regular grass rather than thick, overgrown weeds.
Pros
- Excellent for compact storage
- Easy to maneuver and use
- Good value for the price
Cons
- Limited runtime per charge
- Not for heavy-duty tasks
- Battery charging time
Specifications
#7. HortiHub Weed Wacker

Setup
Line Feed
Batteries
You’ll find the HortiHub Electric Weed Wacker to be a user-friendly option, perfect for those new to lawn care or seeking a simple solution. Its tool-free setup and automatic line feed make operation straightforward, while the 12-inch cutting width helps you cover ground efficiently. The inclusion of safety goggles and a reinforced guard adds a layer of protection, and its lightweight design ensures comfortable handling for extended use.
This trimmer is a good choice for homeowners with small yards or those who prioritize ease of use and safety. However, the runtime of approximately 15-20 minutes per charge with the dual 2.0Ah batteries might be limiting for larger areas, and it’s best suited for light to medium grass, not heavy-duty brush cutting.
Pros
- Very easy to set up and use
- Good safety features included
- Lightweight for comfortable handling
Cons
- Limited runtime per charge
- Not for thick weeds
- Auto-feed can be finicky
Specifications

Tame Your Turf: Finding the Right Cordless String Trimmer
You’ve got a yard that needs tidying, and a cordless string trimmer is your secret weapon. But with so many options buzzing around, picking the right one can feel overwhelming. Don’t just grab the first one you see; a little thoughtful consideration now means less frustration and more perfectly trimmed edges later.
Unpacking the Power and Practicality
When you’re eyeing up cordless string trimmers, a few key elements will determine how well it handles your landscaping tasks. Think about these before you commit:
- Power Source & Stamina: Cordless trimmers run on batteries. Consider the voltage and amp-hour rating of the battery – higher numbers generally mean more power and longer run times. If your yard is large, you might need a model with interchangeable batteries or a spare on hand.
- Cutting Capacity: The diameter of the line the trimmer uses, and the cutting swath it covers, directly impacts how quickly you can clear weeds and grass. A wider swath means fewer passes, but might require more power.
- Weight & Balance: You’ll be holding this tool for a while, so its weight and how well it’s balanced are crucial for comfort and control. A lighter, well-balanced trimmer reduces fatigue during extended use.
- Ergonomics & Adjustability: Look for comfortable grip options and adjustable shafts or handles. These features allow you to tailor the trimmer to your height and preferred working posture, making the job easier.
- Line Feed Mechanism: Some trimmers use automatic line feed, while others require manual advancement. Automatic systems are generally more convenient, ensuring you always have fresh line ready to go.
Common Missteps to Sidestep
Navigating the world of string trimmers can sometimes lead you down the wrong path. Be mindful of these common pitfalls:
- Purchasing a trimmer that’s too heavy or unwieldy for your physical strength.
- Overlooking the importance of battery life and charging time, especially for larger properties.
- Choosing a model with insufficient cutting power for the types of weeds and grass you typically encounter.
Your Lawn’s New Best Friend: Trimmer Time!
Ready to conquer that overgrown yard? For ultimate power and versatility, the 4-in-1 Cordless String Trimmer is your go-to. If a lightweight, user-friendly experience is key, the WORX WG163 or the BLACK+DECKER LST300 are fantastic choices. For a solid all-rounder that won’t break the bank, the MZK 20V or the SEYVUM 20V offer great performance.
All these options deliver cordless freedom and effective trimming. Don’t wait – click the buttons above to check current availability and get your yard looking sharp!
Final 3 Picks: Multi-Tool Versatility, Value & Features, and Versatile Trimming & Edging
Ready to decide? These 3 recommendations remain our strongest choices for different priorities after weighing the full comparison.
WORX WG163 Trimmer
- 2-in-1 Trimmer & Edger
- Command Feed Spool
- 2x 20V Batteries Included
BLACK+DECKER LST300
- 20V MAX Cordless Power
- 12-inch Cutting Swath
- Auto Spool Feed
