Introduction
Thank you for choosing the INGCO 20V Cordless Lithium-Ion Grass Trimmer, Model CGTLI203285. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new grass trimmer. Please read this manual thoroughly before first use and keep it for future reference.
This cordless grass trimmer is designed for efficient trimming of grass and light weeds in your garden. It features a 30cm cutting diameter, a 45° rotating head for versatile use, and an automatic line feed system for continuous operation. The ergonomic design ensures comfortable handling during use.
Safety Information
General Safety Warnings:
- Always wear appropriate personal protective equipment (PPE), including eye protection, sturdy footwear, long trousers, and gloves, when operating the trimmer.
- Keep children, bystanders, and pets at a safe distance (at least 15 meters) from the operating area.
- Inspect the work area for objects such as stones, wire, or debris that could be thrown or entangled in the cutting line. Remove them before starting.
- Do not operate the trimmer in wet conditions or rain.
- Ensure the battery is removed before performing any adjustments, cleaning, or maintenance.
- Hold the trimmer firmly with both hands during operation.
- Avoid operating the trimmer if you are tired, ill, or under the influence of drugs or alcohol.
Battery Safety:
- Use only the specified battery and charger for this tool.
- Do not expose batteries to extreme heat or fire.
- Do not short-circuit battery terminals.
- Store batteries in a cool, dry place away from metal objects.
Package Contents
Verify that all items are present upon unpacking:
- 1 x INGCO Lithium-Ion Grass Trimmer
- 1 x 2.0 Ah Lithium-Ion Battery
- 1 x Fast Intelligent Charger
- 1 x Instruction Manual
Product Overview
Familiarize yourself with the components of your grass trimmer:

An annotated diagram illustrating the main parts of the grass trimmer, including the anti-self-locking button, adjustable loop handle, reinforced metal rod, large motor, telescopic shaft, 45° rotating head, flower guard, and safety guard.
- Anti-Self-Locking Button: Prevents accidental startup.
- Adjustable Loop Handle: Provides added control and convenience, adjustable up to 180°.
- Telescopic Shaft: Allows adjustment of the shaft length for user comfort.
- 45° Rotating Head: Enables easy and ergonomic edge trimming.
- Flower Guard: Protects delicate plants from the cutting line.
- Safety Guard: Provides protection from flying debris.
- Battery Compartment: Houses the 20V Lithium-Ion battery.
Setup
Follow these steps to assemble your grass trimmer:
- Attach the Safety Guard: Align the safety guard with the slots on the trimmer head and secure it with the provided screws. Ensure it is firmly attached before use.
- Adjust the Loop Handle: Loosen the knob on the loop handle and adjust it to a comfortable position. Tighten the knob securely. The handle can be rotated 180° for optimal comfort.
- Adjust the Telescopic Shaft: Unlock the telescopic shaft mechanism and extend or retract the shaft to your desired length. Lock the mechanism to secure the shaft in place.
- Charge the Battery: Insert the 2.0 Ah Lithium-Ion battery into the intelligent fast charger. Plug the charger into a suitable power outlet. The indicator light on the charger will show the charging status. Once fully charged, remove the battery from the charger.
- Insert the Battery: Slide the charged battery into the battery compartment on the trimmer handle until it clicks into place. Ensure it is securely seated.

A complete view of the INGCO grass trimmer, showcasing its design along with the included 20V battery and charger, ready for assembly.
Operating Instructions
Before operating, ensure you have read the safety information and the trimmer is correctly assembled.
- Starting the Trimmer: Press and hold the anti-self-locking button, then squeeze the trigger switch. The trimmer will start.
- Stopping the Trimmer: Release the trigger switch. The cutting line will stop rotating.
- General Trimming: Hold the trimmer with both hands, keeping the cutting head parallel to the ground. Move the trimmer slowly and steadily across the area to be cut. Avoid hitting hard objects.
- Edging Function: For precise edging along paths or flowerbeds, rotate the trimmer head 90°. The 45° rotating head feature also allows for ergonomic trimming in various positions.
- Automatic Line Feed: This trimmer features an automatic line feed system. If the cutting line becomes too short, it will automatically extend when the trimmer is running.

This image shows the INGCO 20V Cordless Grass Trimmer in use, demonstrating its ergonomic design and ease of handling for general lawn maintenance.

The grass trimmer is shown performing edging tasks along a concrete border, demonstrating its versatility and precision for neat lawn edges.

This composite image shows close-ups of the automatic line feed mechanism, the telescopic shaft adjustment, the 180° adjustable loop handle, and the battery compartment with an inserted 20V battery.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your trimmer.
- Cleaning: After each use, remove the battery and clean the trimmer housing, safety guard, and cutting head with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Replacing the Cutting Line: When the cutting line spool is empty, replace it with a new spool of 1.6mm diameter line. Refer to the product diagram for guidance on accessing the spool.
- Battery Care: Store the battery in a cool, dry place. Do not store fully discharged batteries for extended periods. Charge the battery before long-term storage and recharge every 3-6 months.
- Storage: Store the trimmer in a dry, secure location out of reach of children.
Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Trimmer does not start | Battery not inserted correctly Battery discharged Safety button not pressed | Ensure battery is fully seated Charge the battery Press the anti-self-locking button before squeezing the trigger |
| Cutting line does not feed | Line tangled or jammed Spool empty Line too short to feed | Remove battery and clear any obstructions Replace the spool Allow trimmer to run briefly to activate automatic feed |
| Poor cutting performance | Cutting line worn or too short Trimmer head clogged with debris Battery low | Replace or advance cutting line Remove battery and clean trimmer head Recharge battery |
If the problem persists, contact INGCO customer support.
Specifications
Technical details for the INGCO CGTLI203285 Grass Trimmer:

A detailed table presenting the technical specifications of the grass trimmer, including voltage, no-load speed, cutting diameter, line diameter, total line length, weight, extension lengths, battery usage times, and included accessories.
| Feature | Detail |
|---|---|
| Voltage | 20 V |
| No-load speed | 8200 rpm |
| Cutting diameter | 300 mm |
| Line diameter | 1.6 mm |
| Total line length | 5 m |
| Weight | 3 kg |
| Power Source | Battery Powered |
| Battery Type | Lithium-ion (1 included) |
| Product Dimensions (L x W x H) | 10 x 20 x 37 cm |
| Assembly Required | Yes |
Warranty and Support
INGCO products are manufactured to high-quality standards and are warranted against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official INGCO website.
For technical assistance, spare parts, or any other inquiries, please contact INGCO customer support through their official channels. Keep your purchase receipt and product model number (CGTLI203285) handy when contacting support.





