1. Introduction
Thank you for choosing the TWING 300W Car Power Inverter. This device is designed to convert 12V DC power from your vehicle's battery into 110V AC household power, along with multiple USB charging ports. It is ideal for powering various electronic devices on the go, such as laptops, tablets, smartphones, and small appliances.
Please read this manual thoroughly before using the inverter to ensure safe and optimal performance. Keep this manual for future reference.
2. Safety Information
Important Safety Precautions:
- Do not expose the inverter to water, rain, or snow.
- Do not operate the inverter if it has been dropped or damaged.
- Ensure the inverter is used in a well-ventilated, dry area to prevent overheating.
- Keep out of reach of children.
- Do not insert foreign objects into the AC outlets or USB ports.
- Always connect the inverter to a 12V DC power source. Do not connect to 24V DC or higher.
- Ensure the total power consumption of connected devices does not exceed the inverter's continuous power rating (300W).
The TWING 300W Car Power Inverter incorporates multiple safety protections:
- Low Voltage Protection: Automatically shuts down if input voltage drops below 10V.
- High Voltage Protection: Automatically shuts down if input voltage exceeds 15V.
- Overload Protection: Shuts down if connected load exceeds 300W.
- Short Circuit Protection: Protects against short circuits in the output.
- Overheating Protection: Shuts down if internal temperature exceeds 105°C.
Figure 2.1: Inverter Safety Features
This image illustrates the smart chip technology within the inverter, which automatically identifies device current and provides comprehensive protection against low voltage, high voltage, overload, short circuit, and overheating, ensuring safe charging.
3. Product Features and Components
The TWING 300W Car Power Inverter is equipped with multiple output options and safety features for versatile use.
- Continuous Power: 300 Watts
- Peak Power: 600 Watts
- AC Outlet: 1 x 110V AC outlet (up to 280W surge capacity)
- USB Ports:
- 1 x QC 3.0 (18W) port for fast charging compatible devices.
- 1 x PD (Type-C) (30W) port for fast charging compatible devices.
- 1 x 2.4A USB port for standard charging.
- Cooling Fan: Integrated cooling fan for efficient heat dissipation.
- Digital Display: Smart digital display for monitoring status.
- Material: Durable aluminum alloy casing.
Figure 3.1: Multi-Functional Inverter Components
This image provides a detailed view of the inverter, labeling its key components including the cooling fan, various USB ports (2.4A, PD 30W, QC 3.0), the power switch, and the 110V AC outlet.
Figure 3.2: USB Ports and AC Outlet
This close-up image focuses on the inverter's output interfaces, specifically highlighting the QC 3.0, PD (Type-C), and 2.4A USB ports, along with the 110V AC outlet, demonstrating their function for powering compatible devices.
4. Setup
The TWING 300W Car Power Inverter is designed for easy setup in your vehicle.
- Vehicle Compatibility: Ensure your vehicle has a 12V DC power outlet (cigarette lighter socket).
- Placement: Place the inverter in a stable, well-ventilated, and dry location within your vehicle. Avoid areas that are exposed to direct sunlight, excessive heat, or moisture. Ensure the cooling fan is not obstructed.
- Connection: Insert the inverter's cigarette lighter plug firmly into your vehicle's 12V DC power outlet. Ensure a secure connection to prevent power loss or overheating at the connection point.
- Power On: Once connected, switch the inverter's power button to the "ON" position. The digital display will illuminate, indicating the inverter is ready for use.
Note: For optimal performance and safety, ensure your vehicle's engine is running when using the inverter for extended periods or with high-power devices to prevent draining the vehicle's battery.
5. Operating Instructions
Once the inverter is set up and powered on, you can begin connecting your devices.
- Connecting AC Devices:
- Plug your 110V AC device into the inverter's AC outlet.
- Ensure the device's power consumption does not exceed 300W continuous power.
- Examples of compatible AC devices include laptops, small fans, string lights, and DVD players.
- Connecting USB Devices:
- Connect your USB-powered device to one of the inverter's USB ports (QC 3.0, PD Type-C, or 2.4A).
- The inverter automatically detects the optimal charging current for your device.
- Compatible USB devices include smartphones, tablets, Kindles, and digital cameras.
- Monitoring: The smart digital display provides real-time information, such as input voltage or output wattage, depending on the model.
- Powering Off: When you are finished using the inverter, switch the power button to the "OFF" position and then disconnect it from the vehicle's power outlet.
Figure 5.1: In-Car Usage Example
This image demonstrates the practical application of the inverter, showing a user conveniently powering a laptop inside a vehicle, highlighting its utility for mobile productivity.
Figure 5.2: Wide Range of Applications
This visual illustrates the broad compatibility of the inverter, showcasing its ability to power a diverse array of electronic devices, from personal gadgets like phones and tablets to specialized equipment such as drones and breast pumps, making it suitable for various needs.
6. Troubleshooting
If you encounter issues with your TWING 300W Car Power Inverter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter does not power on. |
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| Inverter shuts down during operation. |
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| No output from AC outlet or USB ports. |
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7. Specifications
Detailed technical specifications for the TWING 300W Car Power Inverter:
Figure 7.1: Product Parameter Table
This table provides a comprehensive overview of the inverter's technical specifications, including power ratings, input/output voltages, protection thresholds, and physical dimensions.
| Model Number | 300w inverters (LK-U300) |
| Output Waveform | Modified Sine Wave |
| Material | Aluminum Alloy |
| Dimensions (L x W x H) | 4.5 x 2.7 x 1.8 inches |
| Item Weight | 14 ounces |
| Rated Input Voltage | DC 12V |
| Input Voltage Range | DC 12V (10V-15V) |
| Rated Power | 240W |
| Maximum Continuous Power | 300W |
| Peak Power | 600W |
| Output Voltage | AC 110V-120V, USB 5V |
| USB Output Current | QC3.0 (18W), PD (30W), 5V 2.4A |
| Output Frequency | 60Hz |
| Low Voltage Protection | <10V (alarm twice) |
| Over Voltage Protection | >15V (alarm 3 times) |
| Overload Protection | >300W (alarm 4 times) |
| Overheating Protection | >105°C |
Figure 7.2: Inverter Dimensions
This image provides a clear visual representation of the inverter's physical dimensions, including its length, width, height, and the length of its attached cigarette lighter cable.
8. Maintenance
Proper maintenance ensures the longevity and reliable operation of your inverter.
- Cleaning: Periodically wipe the exterior of the inverter with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Ventilation: Ensure the cooling fan and ventilation openings are free from dust and debris. Blocked vents can lead to overheating.
- Storage: When not in use for extended periods, store the inverter in a cool, dry place, away from direct sunlight and extreme temperatures.
- Connections: Regularly check the cigarette lighter plug and any connected cables for signs of wear or damage. Ensure connections remain secure.
9. Warranty and Support
The TWING 300W Car Power Inverter comes with a 12-Month Hassle-Free Warranty.
We are committed to providing excellent customer service and satisfaction. If you have any questions, concerns, or require technical assistance, please do not hesitate to contact our customer support team.
The product is certified with CE, FCC, and ROSH, ensuring compliance with international safety and environmental standards.
Customer Service:
Please refer to your purchase platform or the TWING official website for contact information.