Hero image 0 of Firstness String Trimmer Cordless, 20V Electric Weed Wacker with 2 Batteries & Charger, Powerful 8500 RPM, Grass Trimmer & Edger for Lawn Care, Yard, Garden, 3-in-1 Cutting Head, Lightweight 4.85lbs, 0 of 13
Firstness String Trimmer Cordless, 20V Electric Weed Wacker with 2 Batteries & Charger, Powerful 8500 RPM, Grass Trimmer & Edger for Lawn Care, Yard, Garden, 3-in-1 Cutting Head, Lightweight 4.85lbs
Key item features
- Turbo Cutting Power: Turbo Cutting up to 8500 RPM - Get tough trimming done fast with 2 adjustable speed controls.
- Extended Run Time: Run up to 60 minutes, Charge in 60 minutes - Tackle big yards with dual 2.0Ah batteries and a rapid charger included.
- Versatile Edging: Built-in wheel guides you to clean edges along driveways, walkways, and gardens. Instantly switch to edger mode or adjust the guard in seconds, no tools needed.
- Safety Features: Plastic blade eliminates the risk of serious cuts compared to metal blades. Safety lock button prevents accidental starts.
- Lightweight Design: Just 4.85 lbs (tool only) and a rotating handle reduce strain on your arms and wrists.
- 3-in-1 Functionality: 3-in-1 Versatility to switch sing string/ twist strings (11") for grass or blade (9.5") for tougher weeds, all in one trimmer edger.
- Debris Protection: The blade shield deflects debris while you see clearly where you're cutting.
- Convenient Storage: Detachable and durable aluminum shaft stays strong and comes apart for easy carrying and storage.
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Specs
- Power typeBattery
- Cutting width11 in
- Line feedAutomatic
- Volts20 V
- Weight9 lb
- Rec. useResidential
Current price is USDNow $79.99
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was $109.99$109.99
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Sold by FIRSTNESS STORE|Pro Seller
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4.387710712343665 stars out of 5, based on 1842 seller reviews(4.4)1842 seller reviews
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About this item
Product details
Firstness 2 in 1 Electric Cordless String Trimmer equipped with a wheel. Just by simply adjusting the angle of the trimmer head or the rotation shaft, it can be easily converted from a weed wacker to a cordless edger to meet your various needs for different gardening and pruning methods. With a no-load speed of 8500RPM and a cutting width of 11 inches (string cutting head) and 9 inches (blade cutting head), the grass trimmer helps you to complete the pruning and weeding of your garden and yard with ease. Our battery powered weed eater comes with two 2.0Ah batteries and 1 charger. You can get a 60-minute working time, which can meet your need for complete yard work. The cordless weed wacker uses a more ergonomic design, equipped with a 90° adjustable cutting head and 180°adjustable auxiliary handle, and a line cut and wheel, you can choose the cutting angle according to the space and complete the pruning work efficiently. It only requires simple assembly, and then it will be ready to use. The ergonomically designed handle provides a comfortable grip and simple operation.
- Turbo Cutting up to 8500 RPM - Get tough trimming done fast with 2 adjustable speed controls.
- Run up to 60 minutes, Charge in 60 minutes - Tackle big yards with dual 2.0Ah batteries and a rapid charger included.
- Built-in wheel guides you to clean edges along driveways, walkways, and gardens. Instantly switch to edger mode or adjust the guard in seconds, no tools needed.
- Plastic blade eliminates the risk of serious cuts compared to metal blades.
- The blade shield deflects debris while you see clearly where you're cutting.
- Just 4.85 lbs (tool only) and a rotating handle reduce strain on your arms and wrists.
- 3-in-1 Versatility to switch sing string/ twist strings (11") for grass or blade (9.5") for tougher weeds, all in one trimmer edger.
- Safety lock button prevents accidental starts.
- Auto Feed Line System keeps the line ready - just cut.
- Detachable and durable aluminum shaft stays strong and comes apart for easy carrying and storage.
- Package Includes:
Electric Cordless String Trimmer for Lawn*1
Spool Components*4
Cutting Blades*10
Twist Strings *10
Iron Space Guard*1
Battery*2
Charger*1
Goggles*1
Glove*2
User Manual*1
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Power type
Battery
Cutting width
11 in
Line feed
Automatic
Volts
20 V
Warranty
Warranty information
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Showing 1-3 of 18 reviews
Jul 27, 2025
Walmart customer
5 out of 5 stars review
Verified Purchase
Lightweight
This little trimmer comes with 2 batteries that last almost an hour (on a full charge). It edges pretty well and cuts thick weeds with a little patience. It's lightweight and easy to assemble. The only hick up is the green piece keeps popping out of place. Overall I enjoy using this weed walker to keep my yard looking nice.
Helpful?5QO3UJ7ZRBAH16136210475
Jun 11, 2026
Lynn
5 out of 5 stars review
Verified Purchase
Pleasantly surprised!
I have used many a trimmer in my day and cut a thousand acres. While visiting my son, I needed a trimmer for his yard. Nothing too expensive. I was a little wary but decided to purchase this anyway. Boy, I'm glad I did! It's a great little trimmer! The blades never work for me, even at home, but I was amazed at how long the trimmer line lasted! I was shocked! The batteries are decent, gets you through the tough stuff. Good thing there's 2. I am very happy with this purchase and I would recommend for an economical option!
Helpful?5QO3UJ7ZRBAH16136210475
Sep 5, 2025
Den
5 out of 5 stars review
Verified Purchase
Very helpful
This cordless trimmer works very well for my yard, it's lightweight and easy to handle, even for long trimming jobs , it does good on small jobs, I wouldn't do big jobs with it, but for small jobs, it's pretty decent, I use it around my trees and along my fence, it does a good job , I enjoy it !
Incentivized Review
Helpful?5QO3UJ7ZRBAH16136210475