1. Introduction
This manual provides essential information for the safe and effective operation, assembly, and maintenance of your Greenworks 80V 13-inch String Trimmer, Model 2123502VT. Please read all instructions carefully before use to ensure proper handling and to prevent injury or damage.
The Greenworks 80V 13-inch String Trimmer is designed for powerful and efficient lawn care, capable of managing tough grass and weeds. It features a 13-inch cutting path with a 0.080-inch dual line bump feed head for convenient line advancement. The TORQDRIVE motor delivers increased torque for demanding tasks, and a 2-speed selector allows adjustment between power and run-time. A variable speed trigger provides precise control during operation.

Figure 1: Greenworks 80V 13-inch String Trimmer (Tool Only)
2. Safety Information
WARNING: Read and understand all instructions before using this product. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury.
- Always wear eye protection, long pants, and sturdy footwear when operating the trimmer.
- Keep children, bystanders, and pets at least 50 feet (15 meters) away from the operating area.
- Inspect the area before and during operation. Remove all objects such as rocks, broken glass, nails, wire, or string that can be thrown or become entangled in the cutting line.
- Do not operate the trimmer in wet conditions.
- Ensure the battery is removed before performing any maintenance, cleaning, or when the tool is not in use.
- Use only Greenworks recommended replacement parts and accessories.
3. Package Contents
The Greenworks 80V 13-inch String Trimmer is sold as a tool-only model. The package typically includes:
- Greenworks 80V 13-inch String Trimmer unit
- Guard assembly
- Auxiliary handle
- Operator's manual
NOTE: Battery and charger are NOT included with this model and must be purchased separately.

Figure 2: Product packaging indicating "Tool Only"
4. Assembly
Follow these steps to assemble your string trimmer:
- Attach the Guard: Align the guard with the trimmer head. Secure it using the provided screws and a Phillips screwdriver. Ensure it is firmly attached to prevent debris from being thrown towards the operator.
- Install the Auxiliary Handle: Slide the auxiliary handle onto the shaft. Adjust its position for comfortable operation and tighten the clamp securely.
5. Setup
5.1 Battery Installation
- Ensure the trimmer is turned off.
- Align the battery pack with the battery port on the trimmer.
- Slide the battery into the port until it clicks into place. Ensure it is securely latched.
5.2 Line Loading (Bump Feed Head)
The trimmer features a 0.080-inch dual line bump feed head for quick line advancement.

Figure 3: Close-up of the bump feed head for line advancement.
To advance the line during operation, gently tap the trimmer head on the ground while the motor is running. The line will automatically extend, and the cutting blade on the guard will trim it to the correct length.
6. Operating Instructions
6.1 Starting the Trimmer
To start the trimmer, press the lock-out lever and then squeeze the variable speed trigger. Release the lock-out lever once the trimmer starts.

Figure 4: Illustration of the double safety protection mechanism, showing the lock-out lever and trigger.
6.2 Variable Speed Control
The trimmer features a variable speed trigger, allowing you to control the cutting speed based on the task. Squeeze the trigger gently for lower speeds and more precise work around plants and shrubs, or fully for maximum power to cut through dense growth.

Figure 5: Close-up of the variable speed trigger for precise control.
6.3 2-Speed Selector
Utilize the 2-speed selector to choose between more power for heavy-duty trimming or extended run-time for lighter tasks, optimizing battery usage.
6.4 Trimming Techniques
- Hold the trimmer firmly with both hands.
- Maintain a steady, sweeping motion.
- Avoid hitting hard objects or surfaces to prevent line breakage and potential damage to the trimmer.
- The 13-inch cutting path allows for efficient coverage.

Figure 6: Visual representation of the 13-inch cutting swath.

Figure 7: Adjustable swath feature for increased runtime or productivity.
6.5 Anti-Collision Protection
The trimmer is designed with anti-collision protection to help prevent accidental cutting of plants and decorations. Exercise caution and maintain awareness of your surroundings.

Figure 8: Anti-collision protection in action near a tree.
6.6 Product Videos
Greenworks String Trimmer Performance
This video demonstrates the Greenworks string trimmer in action, showcasing its ability to clear overgrown areas effectively.
Greenworks 80V Tools: Extreme Yard Control
This video highlights the power and control offered by the Greenworks 80V tool line, including the string trimmer, for various yard tasks.
Greenworks 80V Family Of Tools
This video provides an overview of the Greenworks 80V family of tools, demonstrating their versatility and shared battery platform.
7. Maintenance
7.1 General Cleaning
- After each use, remove the battery.
- Clean the trimmer housing and guard with a damp cloth. Do not use harsh detergents or solvents.
- Remove any grass clippings or debris from the trimmer head and guard to ensure proper function.
7.2 Line Replacement
When the cutting line needs to be replaced, refer to the detailed instructions in the full product manual or visit the Greenworks support website for guidance on reloading the 0.080-inch dual line bump feed head.

Figure 9: Rapid re-load head for quick line replacement.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not installed correctly or discharged | Ensure battery is fully seated and charged. |
| Cutting line does not advance | Line is tangled or too short | Tap the bump head on the ground while running. If still stuck, remove battery and manually untangle/replace line. |
| Reduced cutting performance | Dull or worn cutting line | Advance new line or replace the spool. |
9. Specifications
- Brand: Greenworks
- Model Number: 2123502VT
- Power Source: Battery Powered (80V)
- Cutting Width: 13 Inches
- Line Diameter: 0.080 Inches
- Line Feed System: Dual Line Bump Feed Head
- Motor: TORQDRIVE (Brushless)
- Speed Settings: 2-Speed Selector
- Weight (Tool Only): 10.18 Pounds
- Product Dimensions: 68.5"L x 10.7"W
- Assembly Required: Yes
- UPC: 841821028596
10. Warranty and Support
For detailed warranty information, product registration, or technical support, please visit the official Greenworks website or contact their customer service department. Keep your purchase receipt as proof of purchase for warranty claims.
Greenworks is committed to providing reliable tools and customer satisfaction. For additional resources, including FAQs and instructional videos, please refer to the Greenworks support portal.





