1. Introduction
The ZIZEV Portable Car Heater 12V 600 is designed to provide efficient heating, defrosting, and defogging for various vehicles. Constructed from high-quality ABS and aluminum alloy, this compact unit offers reliable performance with low energy consumption and noise. It is suitable for cars, trucks, buses, motor homes, campers, caravans, construction vehicles, and boats, ensuring warmth during cold weather conditions.

Image 1.1: Front view of the ZIZEV Portable Car Heater, showing the three air outlets.
2. Safety Information
Please read all safety instructions carefully before installing and operating the heater. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Power Source: This heater is designed for 12V DC vehicle electrical systems only. Do not connect to any other voltage.
- Wiring: Ensure all wiring connections are secure and properly insulated to prevent short circuits. Connect directly to the generator or battery as specified.
- Placement: Mount the heater in a location where it will not obstruct the driver's view or interfere with vehicle controls. Ensure adequate clearance around the air inlets and outlets for proper airflow.
- Overheating: Do not cover the heater during operation. Avoid placing flammable materials near the heater.
- Water Exposure: Do not expose the heater to water or excessive moisture.
- Children and Pets: Keep the heater out of reach of children and pets.
- Maintenance: Disconnect power before performing any maintenance or cleaning.
3. Package Contents
Verify that all items listed below are present in your package:
- 1 x Three-Hole Heater Unit
- 3 x Fixed Metal Rings (Hose Clamps)
- 3 x Air Conditioning Pipes (Ducting Hoses)
- 1 Pack of Fixing Screws

Image 3.1: The heater unit shown with its accompanying air pipes, metal rings, and screws.
4. Setup and Installation
The ZIZEV Portable Car Heater is designed for flexible installation. It can be mounted at the bottom of a seat, next to the footwell, or in any suitable location within the vehicle that allows for proper airflow and does not interfere with vehicle operation.
- Choose a Mounting Location: Select a flat, stable surface for mounting. Ensure the location provides sufficient space for the heater unit and the air conditioning pipes.
- Secure the Heater: Use the provided fixing screws to secure the heater unit to the chosen surface. It can be fixed on a workbench or in a concealed place.
- Connect Air Pipes: Attach the three air conditioning pipes to the heater's outlets. Secure each pipe with a fixed metal ring (hose clamp) to ensure a tight seal.
- Route Air Pipes: Route the air pipes to direct warm air to desired areas for defrosting, defogging, or general heating.
- Electrical Connection: Connect the heater's power wires directly to your vehicle's 12V DC electrical system. This typically involves connecting to the generator or battery. Ensure correct polarity (red wire to positive, black wire to negative) and secure connections. It is recommended to use an appropriate fuse (not included) for circuit protection.

Image 4.1: Side view of the heater, illustrating the power switch and wiring connections.
5. Operating Instructions
The heater features a double-gear switch for adjustable temperature control.
- Power On: After installation, ensure all connections are secure. Locate the double-gear switch on the side of the heater.
- Select Heat Setting:
- First Gear: Activates the heater to produce an air outlet temperature of approximately 50-55°C (122-131°F).
- Second Gear: Activates the heater to produce an air outlet temperature of approximately 75-80°C (167-176°F).
- Warm-Up Time: The heater typically takes about 5 minutes to reach its operating temperature.
- Adjust Airflow: Position the air conditioning pipes to direct the warm air as needed for defrosting windows or heating specific areas of the vehicle.
- Power Off: To turn off the heater, set the switch to the 'Off' position.

Image 5.1: Detail of the double-gear switch for controlling heater operation.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your heater.
- Cleaning: Periodically wipe the exterior of the heater with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure the air inlets and outlets are free from dust and debris.
- Inspection: Regularly check the power cables and connections for any signs of wear, damage, or loose connections. Ensure the mounting screws remain tight.
- Storage: If storing the heater for an extended period, disconnect it from the power source and store it in a dry, cool place.
7. Troubleshooting
If you encounter issues with your ZIZEV Portable Car Heater, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power supply; Loose wiring; Blown fuse (if installed). | Check vehicle's 12V power source. Verify all wiring connections are secure. Inspect and replace fuse if necessary. |
| Insufficient heat output. | Incorrect gear setting; Blocked air inlets/outlets; Low vehicle voltage. | Ensure heater is set to Second Gear for maximum heat. Clear any obstructions from air vents. Check vehicle battery voltage. |
| Unusual noise during operation. | Loose mounting; Debris in fan. | Check mounting screws and tighten if loose. Disconnect power and carefully inspect air inlets for foreign objects. |
If the problem persists after attempting these solutions, please contact customer support.
8. Product Specifications
| Feature | Detail |
|---|---|
| Brand | ZIZEV |
| Model Number | ZIZEVg9f831wduh |
| Voltage | 12 Volts DC |
| Power | 400-600W |
| Adapter Current | 15-25A |
| Heating Elements | PTC ceramic constant temperature heating |
| Switch | Double Gear (Adjustable Temperature) |
| Air Outlet Temperature (First Gear) | 50-55°C (122-131°F) |
| Air Outlet Temperature (Second Gear) | 75-80°C (167-176°F) |
| Warm Up Time | Approximately 5 minutes |
| Wind Speed | 4.4 m/s |
| Number of Air Outlets | 3 |
| Material | ABS, Aluminum Alloy |
| Product Dimensions | Approx. 12 x 8.8 x 18.5 cm (4.7 x 3.5 x 7.3 in) |
| Item Weight | 1.61 pounds |
| Functions | Defrosting, Heating |
| Power Source | Battery Powered (12V Vehicle System) |
9. Warranty and Customer Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your proof of purchase for warranty claims.
If you have questions or require assistance, please reach out to the ZIZEV customer service department through the platform where the product was purchased.





