1. Introduction
This manual provides essential instructions for the safe and effective use, installation, and maintenance of your Fanhua replacement Li-ion battery. This battery is designed for compatibility with Narwal T10, J1, J2, YJCC010, YJCC003, and YJCC001 robot vacuum cleaners. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Instructions
Observe the following safety precautions to prevent damage to the battery, the robot vacuum cleaner, and to ensure personal safety:
- Do not disassemble, open, or shred the battery pack.
- Do not expose the battery to heat or fire. Avoid storage in direct sunlight.
- Do not short-circuit a battery pack. Do not store battery packs indiscriminately in a box or drawer where they may short-circuit each other or be short-circuited by other metal objects.
- Do not subject battery packs to mechanical shock.
- In the event of a battery leaking, do not allow the liquid to come into contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Do not use any charger other than that specifically provided for use with the equipment.
- Keep the battery clean and dry.
- Do not leave a battery on prolonged charge when not in use.
- Dispose of batteries properly according to local regulations.

Image: The Fanhua replacement battery features multiple protection mechanisms including over-voltage, short-circuit, over-temperature, and over-charge protection to ensure safe operation. The battery label shows identifier FH021022210940.
3. Product Overview
The Fanhua replacement battery is a high-capacity Li-ion battery designed to provide extended runtime for your Narwal robot vacuum cleaner. It features advanced lithium electronics technology for comprehensive protection.
Key Features:
- High Capacity: 6800mAh for longer operating times.
- Voltage: 14.4V nominal voltage.
- Battery Type: Li-ion (Lithium-ion).
- Safety Protections: Built-in safeguards against over-discharge, over-current, over-voltage, short-circuit, over-temperature, and overcharging.
- Compatibility: Specifically designed for Narwal T10, J1, J2, YJCC010, YJCC003, YJCC001 robot vacuum cleaner models.

Image: This chart illustrates the higher capacity of the Fanhua 6800mAh battery compared to a standard 5200mAh battery, resulting in extended operational duration.

Image: The Fanhua replacement battery is shown, explicitly stating its compatibility with Narwal T10, J1, J2, YJCC010, YJCC003, and YJCC001 robot vacuum cleaner models.
4. Installation
The Fanhua replacement battery is designed for easy installation. Please follow the steps below to replace the battery in your Narwal robot vacuum cleaner. Always ensure the robot vacuum is powered off and unplugged from its charging base before beginning installation.
- Power off your Narwal robot vacuum cleaner and disconnect it from any power source.
- Locate the battery compartment on the underside of your robot vacuum. Refer to your robot vacuum's original user manual for the exact location and how to open it.
- Carefully remove the screws securing the battery compartment cover, if applicable.
- Gently disconnect the old battery's connector from the robot's port.
- Remove the old battery.
- Insert the new Fanhua replacement battery into the compartment, ensuring it fits securely.
- Connect the new battery's connector to the robot's port. Ensure the connection is firm and correctly oriented.
- Replace the battery compartment cover and secure it with screws.
- Place the robot vacuum back on its charging base to initiate the first charge.
Note: If you encounter any difficulties, consult your Narwal robot vacuum cleaner's original manual or contact customer support.

Image: This image displays the physical dimensions of the Fanhua replacement battery and the design of its connector, crucial for ensuring proper fit and installation.
5. Operating Instructions
Initial Charge:
After installing the new battery, it is recommended to fully charge the robot vacuum cleaner before its first use. Place the robot on its charging base and allow it to charge until the charging indicator shows a full charge, as per your robot vacuum's instructions.
Regular Use:
Operate your robot vacuum cleaner as you normally would. The Fanhua replacement battery is designed to provide a longer runtime due to its higher capacity. The robot's charging system will manage the battery's charging cycles automatically.

Image: The Fanhua replacement battery is shown alongside a Narwal robot vacuum cleaner, demonstrating its intended use and compatibility within a home environment.
6. Maintenance
Proper maintenance can extend the lifespan of your battery and robot vacuum cleaner:
- Regular Charging: Always return the robot vacuum to its charging base after use to ensure the battery remains charged.
- Storage: If the robot vacuum will not be used for an extended period, fully charge the battery before storing it in a cool, dry place. It is advisable to periodically charge the battery every 3-6 months to prevent deep discharge.
- Cleaning: Keep the battery contacts on both the battery and the robot vacuum clean and free of debris to ensure efficient charging.
- Avoid Extreme Temperatures: Do not expose the battery or robot vacuum to extreme hot or cold temperatures, as this can degrade battery performance and lifespan.
7. Troubleshooting
If you experience issues with your Fanhua replacement battery, consider the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Robot not powering on after battery replacement. | Battery not properly connected or not charged. | Ensure the battery connector is firmly seated. Place the robot on its charging base for an initial full charge. |
| Reduced runtime after replacement. | Battery not fully charged or incorrect installation. | Perform a full charge cycle. Re-check battery installation to ensure proper connection. |
| Robot not charging. | Charging contacts are dirty or battery not seated correctly. | Clean the charging contacts on both the robot and the charging base. Verify the battery is correctly installed. |
| Error messages related to battery. | Battery issue or robot sensor malfunction. | Refer to your Narwal robot vacuum's original manual for specific error codes. If the issue persists, contact Fanhua customer support. |
8. Specifications
| Attribute | Value |
|---|---|
| Model Compatibility | Narwal T10, J1, J2, YJCC010, YJCC003, YJCC001 Robot Vacuum Cleaner |
| Battery Type | Li-ion Cylindrical Rechargeable Battery |
| Nominal Voltage | 14.4V |
| Charging Limited Voltage | 16.8V |
| Nominal Capacity | 6800mAh |
| Rated Capacity | 6700mAh (14.4V 96.48Wh) |
| Dimensions (Approx.) | 4.69 x 3.78 x 2.36 inches (Package) / 2.87 x 2.67 x 1.41 inches (Battery) |
| Item Weight | 15 ounces |
| Manufacturer | Fanhua (FH ENERGY SYSTEMS (SHENZHEN) CO.,LTD) |

Image: This image highlights the battery's key specifications: Li-ion cell type, 16.8V charging voltage, and 6800mAh capacity, emphasizing its eco-friendly design. The battery label shows identifier FH021022210940.
9. Warranty and Support
Fanhua provides reliable customer service for its products. If you have any questions or require assistance, please contact our local after-sales support team. We guarantee a 7/24 response to online messages.
For warranty claims or technical support, please refer to the contact information provided with your purchase or visit the official Fanhua website.





