Introduction
Thank you for choosing the DayPlus Brushless Electric Lawn Mower. This cordless grass trimmer is designed for efficient and convenient lawn care, featuring a high-power pure copper motor and adjustable settings for various trimming needs. Please read this manual carefully before use to ensure safe and optimal operation.

Safety Information
Always prioritize safety when operating power tools. This device features a double control switch for enhanced safety. Ensure you wear appropriate personal protective equipment, including gloves and safety glasses, as provided in the product package.

Setup and Assembly
Follow these steps to assemble your DayPlus Brushless Electric Lawn Mower:
- Install the Auxiliary Handle: Attach the auxiliary handle to the pole and secure it with the provided knob.
- Install the Anti-Collision Wire: Insert the anti-collision wire into the designated slots on the trimmer head.
- Install the Protective Cover: Secure the protective cover over the trimmer head using the provided screw and tool.
- Install the Saw Blade:
- For long saw blades: Place the long saw blade onto the shaft, followed by the washer and nut. Tighten securely.
- For circular saw blades: Place the circular saw blade onto the shaft, followed by the washer and nut. Tighten securely.
- Insert the Battery: Slide the 21V Lithium battery into the battery slot on the main handle until it clicks into place.

Operating Instructions
Before operating, ensure the battery is fully charged and all components are securely assembled.
Starting and Stopping
To start the lawn mower, you must simultaneously press the anti-touch protection button (lock button) and the power switch. Release both to stop the machine.
Adjusting Length and Angle
- Adjustable Length: The telescopic tube length can be adjusted from 91.5cm (36 inches) to 127.5cm (50 inches) to suit your height and reach. Use the length expansion buckle to extend or retract the pole.
- Rotatable Cutting Angle: The trimmer head angle can be adjusted using the head rotation button. This feature allows for easy trimming in hard-to-reach areas such as under trees, corners, and around flower beds.



Maintenance
Regular maintenance ensures the longevity and performance of your lawn mower.
- Cleaning: After each use, disconnect the battery and clean the trimmer head, blades, and protective cover to remove grass clippings and debris. The waterproof shell allows for easy cleaning.
- Blade Inspection: Regularly inspect the blades for sharpness and damage. Replace dull or damaged blades promptly to maintain cutting efficiency and safety.
- Battery Care: Store the battery in a cool, dry place. Do not expose it to extreme temperatures. Charge the battery fully before long-term storage.
- Telescopic Buckle: The length telescopic buckle can be removed and replaced if damaged. Ensure it is functioning correctly for secure length adjustment.
Troubleshooting
If you encounter issues with your DayPlus Brushless Electric Lawn Mower, refer to the following common problems and solutions:
- Mower does not start:
- Ensure the battery is fully charged and correctly inserted.
- Verify that both the anti-touch protection button and the power switch are pressed simultaneously.
- Poor cutting performance:
- Check if the blades are dull or damaged. Replace them if necessary.
- Ensure the blades are installed correctly and securely tightened.
- Clear any accumulated grass or debris from the trimmer head.
- Battery not charging:
- Ensure the charger is properly connected to both the battery and a working power outlet.
- Check for any visible damage to the charger or battery.
For issues not covered here, please contact customer support.
Specifications
| Feature | Specification |
|---|---|
| Type | Garden Trimmer |
| Brand Name | DayPlus |
| Material | Stainless steel telescopic tube / plastic / all copper motor |
| Color | Blue |
| Power Source | Electricity |
| No-load Speed | 10000rpm/min |
| Battery | 21V, 1500mAh Lithium battery |
| Battery Included | Yes |
| No-load Time | Up to 30 minutes (depending on usage) |
| Charging Time | Approximately 1 hour |
| Weight | 2.5kg / 5.5lbs |
| Body Size (without extending) | 91.5cm / 36 inches |
| Longest Dimension (after extension) | 127.5cm / 50 inches |
| Cutting Diameter | 15.5cm |
| Feature | Telescopic |
| Origin | Mainland China |
User Tips
- The lightweight and portable design makes this trimmer easy to handle for extended periods, suitable for various users.
- Utilize the adjustable telescopic rod and rotatable cutting angle to reach difficult areas and ensure a comfortable posture during use.
- The high-power pure copper motor provides efficient cutting at 10000RPM, making quick work of weeds and long grass.
- Always ensure the battery is fully charged for maximum runtime and consistent power.
- This trimmer is ideal for homes, courtyards, and small gardens, offering versatility for different landscaping tasks.
Warranty and Support
For any questions, technical assistance, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.