Introduction
Thank you for purchasing the Greenworks 24V Battery Grass Trimmer ST24BA2. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new grass trimmer. Please read this manual thoroughly before use and keep it for future reference.
The Greenworks 24V Battery Grass Trimmer ST24BA2 is a simple model designed for cutting with a single plastic blade. Its shaft can be separated and folded, making it convenient for transport and storage. This package includes 20 replacement blades to ensure continuous performance.
Important Safety Instructions
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury when using this product. Read all instructions before operating the trimmer.
- Wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and sturdy footwear, during operation.
- Ensure the battery is removed before performing any assembly, maintenance, or cleaning tasks.
- Keep children and bystanders away from the operating area.
- Inspect the work area for debris, rocks, or other objects that could be thrown by the blade.
- Do not operate the trimmer in wet conditions or rain.
- Always maintain a firm grip on the trimmer with both hands during operation.
Package Contents
Verify that all items are present and in good condition upon unpacking. If any parts are missing or damaged, contact Greenworks customer support.
- Main Unit (Grass Trimmer)
- Plastic Blade Kit (1 blade)
- Replacement Blades (20 pieces)
- 2.0Ah Lithium-ion Battery (BAG708)
- 4.0Ah Charger (CAG809)
- Instruction Manual

Image: Standard accessories included with the Greenworks 24V Battery Grass Trimmer ST24BA2.
Setup and Assembly
Follow these steps to assemble your Greenworks 24V Battery Grass Trimmer ST24BA2.
1. Prepare for Assembly
- Ensure the battery is removed from the trimmer to prevent accidental startup.
- Wear protective gloves during assembly.
Video: How to Assemble the Greenworks 24V Battery Grass Trimmer ST24BA2.
2. Attach the Trimmer Guard
- Using a Phillips head screwdriver, remove the screw from the trimmer guard.
- Align the trimmer guard with the trimmer head and secure it by tightening the screw firmly.
3. Assemble the Shaft
- Remove all rubber cushions from the shaft.
- Insert the middle shaft into the upper shaft.
- While pressing the pin, slide the shaft until the pin emerges from the hole, ensuring it is securely locked.
- Repeat the same procedure to connect the lower shaft.
4. Attach the Auxiliary Handle
- Remove the knob and bolt from the auxiliary handle.
- Attach the auxiliary handle to the main unit, adjusting the angle for comfortable use.
- Insert the bolt and firmly tighten the knob to secure the handle.
5. Install the Battery
- Align the battery with the battery slot on the trimmer.
- Slide the battery into place until it clicks, indicating it is securely locked.
Operating Instructions
Learn how to safely operate your Greenworks 24V Battery Grass Trimmer ST24BA2.
1. Starting and Stopping the Trimmer
- The trimmer is equipped with a lock button to prevent accidental operation.
- To start, press the lock button and then squeeze the trigger.
- To stop, release the trigger.
Video: How to Use the Greenworks 24V Battery Grass Trimmer ST24BA2.
2. Replacing the Blade
When replacing a worn blade, ensure the battery is removed from the trimmer.
- Remove the old plastic blade from the trimmer head.
- Take a new replacement blade.
- Mount the new blade by inserting the large hole onto the mount, then pull it outwards to lock it into place.
- Confirm that the small hole of the blade is securely engaged.

Image: The 20 replacement blades included with the trimmer.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your trimmer.
1. Cleaning
- Always remove the battery before cleaning.
- Use a dry cloth to wipe down the exterior of the trimmer.
- Remove any grass clippings or debris from the trimmer head and guard.
- Do not use water or harsh chemicals to clean the trimmer.
2. Storage
- After use, remove the battery and store it separately.
- Clean the trimmer thoroughly before storing.
- Store the trimmer in a dry, secure location, out of reach of children.
- The shaft can be separated for compact storage.
3. Battery Care
- Charge the battery fully before first use.
- Do not store the battery in direct sunlight or extreme temperatures.
- If storing for extended periods, charge the battery to approximately 50% capacity.
- Use only the Greenworks charger provided with the product.
Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not installed correctly Battery is discharged Lock button not pressed | Ensure battery is fully inserted Charge the battery Press the lock button before squeezing the trigger |
| Reduced cutting performance | Blade is dull or damaged Excessive grass/debris buildup | Replace the blade Clean the trimmer head and guard |
| Trimmer stops during operation | Battery is low Overload protection activated | Recharge the battery Reduce load, allow motor to cool |
Specifications
Detailed technical specifications for the Greenworks 24V Battery Grass Trimmer ST24BA2.
| Feature | Specification |
|---|---|
| Brand | Greenworks |
| Model Number | ST24BA2 |
| Power Source | DC (Battery-powered) |
| Voltage | 24V |
| Handle Type | Loop Handle |
| Cutting Width | 25 cm |
| Operating Time (No Load) | Approx. 40 minutes |
| Work Guideline per Charge | Approx. 55 m² |
| Charging Time (with included charger) | Approx. 30 minutes |
| Product Weight | 2.3 kg |
| Battery Type | Lithium-ion |
| Included Battery Capacity | 2.0Ah (BAG708) |
| Included Charger Model | 4.0Ah (CAG809) |
| Color | Green |
| Country of Origin | China |
Warranty and Support
Greenworks products are designed for durability and performance. For warranty information, product registration, or technical support, please visit the official Greenworks website or contact their customer service department.
Please retain your proof of purchase for warranty claims.