1. Product Overview
The Greenworks 24V Battery Grass Trimmer ST24DA2 is a versatile cordless garden tool designed for efficient lawn and garden maintenance. It features a dual function, allowing it to be used as a grass trimmer or easily converted into a wheeled edger. The tool supports both plastic blades and nylon cords, offering flexibility for various cutting needs. Its adjustable shaft and head angle ensure comfortable operation tailored to the user and specific work area conditions.
This package includes a 2.0Ah battery and a 4.0Ah charger, providing a complete solution for immediate use.
2. Important Safety Instructions
Always follow basic safety precautions when using electric garden tools to reduce the risk of fire, electric shock, and personal injury.
- Read all instructions: Familiarize yourself with the controls and proper use of the tool.
- Wear appropriate attire: Always wear safety glasses or goggles, long pants, heavy-duty gloves, and sturdy footwear. Avoid loose clothing or jewelry that could get caught in moving parts.
- Keep area clear: Ensure the work area is free of debris, rocks, wires, or other objects that could be thrown by the cutting line. Keep bystanders, children, and pets at a safe distance (at least 15 meters).
- Inspect the tool: Before each use, check for damaged parts, loose fasteners, or any other condition that may affect its safe operation.
- Use the right tool: Do not force the tool; use it only for its intended purpose.
- Battery safety: Use only the specified battery pack and charger. Do not charge the battery in damp or wet conditions.
- Avoid dangerous environments: Do not use the tool in rain or wet conditions. Do not operate in gaseous or explosive atmospheres.
- Maintain balance: Always maintain proper footing and balance. Do not overreach.
- Disconnect power: Remove the battery pack when not in use, before cleaning, or when changing accessories.
3. Package Contents
Verify that all items listed below are included in your package. If any parts are missing or damaged, contact Greenworks customer service.
- Greenworks 24V Battery Grass Trimmer (Main Unit)
- 2.0Ah Lithium-Ion Battery (BAG708)
- 4.0Ah Charger (CAG809)
- Replacement Blades x 20
- Plastic Blade KIT x 1
- Nylon Cord (1.6mm x 3M) x 1
- Instruction Manual

4. Assembly and Setup
4.1 Attaching the Handle
Attach the loop handle to the main shaft. Ensure it is securely fastened at a comfortable height for operation.
4.2 Installing the Cutting Attachment
The trimmer supports both nylon cord and plastic blades. Choose the appropriate cutting attachment for your task.
- Nylon Cord: The nylon cord spool is typically pre-installed. Ensure the cord extends properly.
- Plastic Blades: If using plastic blades, carefully attach them to the cutting head according to the instructions provided with the Plastic Blade KIT.
4.3 Adjusting Shaft Length and Head Angle
The trimmer features an adjustable shaft length and a 7-step angle adjustable head for optimal comfort and performance.
- Shaft Adjustment: Loosen the locking collar on the shaft, adjust to your desired length, and tighten securely.
- Head Angle Adjustment: Press the angle adjustment button and pivot the head to one of the 7 available positions. Release the button to lock the head in place. This allows for easier trimming on slopes or reaching difficult areas.

5. Operating Instructions
5.1 Charging the Battery
Before first use, fully charge the 2.0Ah lithium-ion battery using the included 4.0Ah charger. The charging time is approximately 30 minutes.
5.2 Inserting the Battery
Align the battery pack with the battery port on the trimmer and slide it in until it clicks into place. Ensure it is firmly seated.
5.3 Starting and Stopping the Trimmer
- To Start: Press and hold the safety lock-off button, then squeeze the trigger switch.
- To Stop: Release the trigger switch.
5.4 Trimming and Edging
The ST24DA2 can be used for both grass trimming and edging.
- Grass Trimming: Hold the trimmer with both hands, keeping the cutting head parallel to the ground. Move the trimmer in a sweeping motion to cut grass.
- Edging: To convert to an edger, rotate the trimmer head 90 degrees and engage the integrated wheels. This allows for precise cutting along edges of lawns, driveways, and flowerbeds.




5.5 Operating Time
The approximate operating time on a single charge (no load) is 25 minutes. The estimated work area per charge is 15 m².
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tool.
6.1 Cleaning
- Always remove the battery pack before cleaning.
- Clean the tool with a damp cloth and mild soap. Do not use harsh chemicals.
- Remove any grass clippings or debris from the cutting head and ventilation slots.
6.2 Blade and Cord Replacement
Replace cutting attachments when they become worn or damaged.
- Plastic Blades: Replacement resin blades (20 pieces) are available (Part No: AFB20PKA1). Follow the instructions in the Plastic Blade KIT for replacement.
- Nylon Cord: Replacement spools (3 pieces) are available (Part No: 1830002JP). Refer to the manual for specific instructions on replacing the nylon cord spool.
6.3 Storage
Store the tool in a dry, secure place out of reach of children. Remove the battery pack before storing for extended periods.
7. Troubleshooting
This section addresses common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not charged or improperly inserted. Safety lock-off not engaged. | Ensure battery is fully charged and correctly inserted. Press safety lock-off button before squeezing trigger. |
| Reduced cutting performance | Worn or damaged cutting line/blade. Grass wrapped around cutting head. | Replace cutting line or blade. Remove battery, then clear grass from cutting head. |
| Excessive vibration | Damaged or unbalanced cutting attachment. Loose components. | Inspect and replace cutting line/blade if damaged. Check all fasteners for tightness. |
| Battery not charging | Charger not plugged in. Faulty battery or charger. | Ensure charger is properly plugged into a working outlet. Contact customer service if issue persists. |
8. Product Specifications
| Specification | Detail |
|---|---|
| Brand | Greenworks |
| Model | ST24DA2 |
| Power Source | DC (Battery-powered) |
| Color | Green |
| Product Weight | 2.83 kg |
| Cutting Width | 30 cm |
| Blade Width | 30 cm |
| Number of Batteries | 1 Lithium-Ion Battery (Included) |
| Cordless | Yes |
| Handle Type | Loop Handle |
| Operating Time (No Load) | 25 minutes |
| Approx. Work Area per Charge | 15 m² |
| Charging Time (with included charger) | 30 minutes |
| Country of Origin | China |
9. Warranty and Support
Greenworks products are manufactured to high-quality standards and are guaranteed for domestic use against manufacturing defects. For specific warranty details, including duration and coverage, please refer to the warranty card included with your product or visit the official Greenworks website.
For technical support, spare parts, or service inquiries, please contact Greenworks customer service. Contact information can typically be found on the product packaging, the official website, or your purchase receipt.







