1. Introduction
Welcome to the world of high-speed remote control vehicles! This manual provides essential information for the safe and optimal operation of your JJRC C8810 1:18 scale 4WD high-speed remote control car. This model is designed for dynamic performance on various terrains, featuring a powerful carbon brush motor, independent suspension, and bright LED headlights. Please read this manual thoroughly before first use and keep it for future reference.
2. Safety Warnings
- Age Restriction: This product is not suitable for children under 36 months due to small parts. Recommended age is 14+ years.
- Battery Safety: Use only the specified 7.4V 1500mAh Lithium-Ion battery. Do not overcharge or short-circuit batteries. Always supervise charging. Remove batteries from the car and remote when not in use.
- Operating Environment: Operate the RC car in open areas, away from people, pets, and obstacles. Avoid operating near water, roads, or in adverse weather conditions.
- Moving Parts: Keep fingers, hair, and loose clothing away from moving parts like wheels and gears to prevent injury.
- Heat: The motor and battery can become hot during operation. Allow them to cool before handling or recharging.
- Modifications: Do not modify the product. Unauthorized modifications may impair safety and performance.
3. Package Contents
Please check the package to ensure all items are present:
- JJRC C8810 RC Car
- Remote Controller
- 7.4V 1500mAh Lithium-Ion Battery (for car)
- USB Charging Cable
- User Manual
Note: 3 x AA batteries for the remote controller are not included and must be purchased separately.
4. Specifications

Figure 4.1: Carbon Brush Version Specifications
| Feature | Detail |
|---|---|
| Model Number | F1337 |
| Scale | 1:18 |
| Frequency | 2.4GHz |
| Motor | 380 Carbon Brush Motor |
| ESC | 25A ESC |
| Servo | 17G Five-wire Servo |
| Car Battery | 7.4V 1500mAh Lithium-Ion |
| Remote Batteries | 3 x AA Batteries (Not Included) |
| Lights | LED Headlights (12 high-brightness LEDs for B-Car version) |
| Control Distance | Over 80m |
| Charging Voltage | 7.4V |
| Charging Time | 3-3.5 hours |
| Operating Time | Approx. 35-40 minutes |
| Dimensions (L*W*H) | 29 x 19 x 12 cm (for B-Car version) |
| Product Weight | 840g (Car only), 880g (with battery) |
| Tire Track | 155mm |
| Wheelbase | 165mm |
| Control Channels | 4 channels |
| Controller Mode | MODE2 |
| Material | Plastic |
| State of Assembly | Ready-to-Go |

Figure 4.2: Internal Components Diagram (Carbon Brush Version)
5. Setup Guide
5.1 Charging the Car Battery
- Connect the 7.4V 1500mAh Lithium-Ion battery to the USB charging cable.
- Plug the USB charging cable into a standard USB power adapter (e.g., phone charger, computer USB port).
- The indicator light on the USB cable will show the charging status (refer to charger instructions for specific light patterns).
- Charging typically takes 3-3.5 hours. Do not leave unattended during charging.
5.2 Installing Batteries in the Remote Controller
- Open the battery compartment cover on the back of the remote controller.
- Insert 3 x AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
5.3 Installing the Car Battery
- Locate the battery compartment on the RC car.
- Carefully place the fully charged 7.4V 1500mAh Lithium-Ion battery into the compartment.
- Connect the battery connector to the car's power port.
- Secure the battery compartment cover.
5.4 Pairing the Remote Controller with the Car
- Turn on the RC car's power switch.
- Turn on the remote controller's power switch.
- The remote controller and car will automatically pair. The indicator light on the remote will stop flashing and remain solid once paired.
- If pairing fails, turn off both devices and repeat the steps.
6. Operating Instructions
6.1 Basic Controls
- Throttle Trigger: Pull to move forward, push to brake/reverse.
- Steering Wheel: Turn left to steer left, turn right to steer right.
- Trim Adjustments: Use the steering trim dial on the remote to fine-tune the steering if the car pulls to one side when driving straight.
6.2 Driving Tips
- The JJRC C8810 features a 4WD system and independent spring shock absorbers for excellent off-road performance.
- Its anti-slip and wear-resistant tires provide strong grip on various terrains.
- The high-brightness LED headlights allow for visibility during low-light conditions.
- Equipped with professional lift wheels, the car is designed to prevent rollovers from excessive starting power.
Video 6.1: JJRC C8810 RC Car in action, demonstrating its speed and off-road capabilities.

Figure 6.2: RC car demonstrating off-road performance.

Figure 6.3: High-speed performance and full proportional control.

Figure 6.4: High-brightness LED front lights for enhanced visibility.

Figure 6.5: Professional lift wheels to prevent rollovers.

Figure 6.6: Four independent spring shock absorbers for smooth handling.

Figure 6.7: Anti-slip and wear-resistant tires for strong grip.
7. Maintenance
7.1 Cleaning
- After each use, especially in dusty or dirty conditions, gently clean the car with a soft brush or cloth to remove dirt and debris.
- Do not use water or chemical cleaners directly on electronic components.
7.2 Battery Care and Storage
- Always disconnect and remove the battery from the car when not in use.
- Store batteries in a cool, dry place, away from direct sunlight and extreme temperatures.
- For long-term storage, it is recommended to charge the battery to approximately 50% capacity.
7.3 Component Check
- Regularly inspect the wheels, suspension, and steering components for any damage or loose connections.
- The car features detachable aluminum plates on the bottom for easy replacement of drive axles, simplifying maintenance.
- Ensure the fully enclosed transmission system is free from debris to maintain smooth driving.

Figure 7.1: Aluminum alloy chassis reinforcement plates for durability.

Figure 7.2: Detachable aluminum plates for easy axle replacement.

Figure 7.3: Upgraded metal front and rear differentials for smoother turns.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote. | 1. Car or remote not powered on. 2. Batteries low or incorrectly installed. 3. Not paired correctly. | 1. Ensure both car and remote are switched ON. 2. Check battery levels and correct installation. Replace if necessary. 3. Re-pair the car and remote (refer to Section 5.4). |
| Short control range or intermittent signal. | 1. Low remote batteries. 2. Interference from other 2.4GHz devices. 3. Obstacles between remote and car. | 1. Replace remote batteries. 2. Move to an area with less interference. 3. Ensure a clear line of sight to the car. |
| Car drives slowly or lacks power. | 1. Car battery low. 2. Motor or gears obstructed. | 1. Recharge the car battery fully. 2. Check for debris in the motor or gear area. |
| Car pulls to one side. | Steering trim needs adjustment. | Adjust the steering trim dial on the remote controller until the car drives straight. |
9. User Tips
- For extended play, consider purchasing an additional 7.4V 1500mAh battery.
- Always perform a quick check of the car's components (wheels, suspension, battery connection) before each use to ensure everything is secure.
- Practice driving in an open, flat area first to get accustomed to the controls before tackling more challenging terrains.
- The LED headlights are great for evening drives, but remember to keep the car within visual range.
10. Warranty and Support
This product comes with a 30-day warranty from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper maintenance.
For warranty claims, technical support, or replacement parts, please contact the seller or the LKCOMO Official Store directly. Provide your purchase details, model number (F1337), and a clear description of the issue to facilitate faster service.