1. Introduction
This manual provides instructions for the safe and efficient use of your Power4Laptops DC Adapter Laptop Car Charger, model 1621108. This device is designed to power your laptop and charge its battery from a vehicle's cigarette lighter socket.
Please read this manual thoroughly before using the product and retain it for future reference.
Package Contents:
- Power4Laptops DC Adapter Laptop Car Charger (Model: 1621108)
- User Manual (this document)
2. Important Safety Instructions
- Do not expose the charger to moisture or extreme temperatures.
- Do not disassemble the charger. Refer all servicing to qualified personnel.
- Ensure the vehicle's cigarette lighter socket is clean and free of debris before inserting the charger.
- Do not use the charger if the cable or connector is damaged.
- Keep out of reach of children.
- Always ensure your laptop's power requirements match the charger's output specifications.
3. Setup
Follow these steps to set up your Power4Laptops DC Adapter Laptop Car Charger:
- Identify the correct port: Locate the DC input port on your laptop.
- Connect to laptop: Insert the charger's output plug (5.5mm X 2.5mm) firmly into your laptop's DC input port.
- Connect to vehicle: Insert the car charger's input plug into your vehicle's 12V DC cigarette lighter socket. Ensure it is fully seated.
- Verify connection: A power indicator light on your laptop (if available) should illuminate, indicating that power is being supplied.

Image: The Power4Laptops DC Adapter Laptop Car Charger. This image shows the charger's main unit with its cables, ready for connection to a laptop and a vehicle's power outlet.
4. Operating Instructions
Once connected, the charger will automatically begin to supply power to your laptop and charge its battery. The charger operates with an input voltage of 12V DC and provides an output of 19V at 4.74A.
- Powering the laptop: The charger allows you to operate your laptop directly from your vehicle's power supply.
- Battery charging: If your laptop's battery is installed and requires charging, the adapter will charge it and then maintain its charge level.
- Charging when off: If the laptop is turned off, the DC adapter will charge the battery until full and then maintain its charge.
Note: Always ensure your vehicle's engine is running or the accessory power is active to provide sufficient power to the charger and avoid draining your vehicle's battery.
5. Maintenance and Care
- Cleaning: Disconnect the charger from both the laptop and the vehicle before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the charger in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid tightly coiling the cables to prevent damage.
- Inspection: Periodically inspect the cables and connectors for any signs of wear, cuts, or damage. If damage is found, discontinue use immediately.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Laptop not receiving power. |
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| Charger gets excessively hot. |
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7. Specifications
| Feature | Specification |
|---|---|
| Brand | Power4Laptops |
| Model Number | 1621108 |
| Input Voltage | 12V DC |
| Output Voltage | 19V |
| Output Amperage | 4.74A |
| Plug Size | 5.5mm X 2.5mm |
| Wattage | 90.00W |
| Item Weight | 9.2 ounces (262 Grams) |
| Color | Black |
8. Warranty Information
This product is covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact Power4Laptops customer support. Please retain your proof of purchase for warranty claims.
9. Customer Support
If you encounter any issues or have questions regarding your Power4Laptops DC Adapter Laptop Car Charger, please contact Power4Laptops customer support. Visit the official Power4Laptops website for contact details and further assistance.
Note: For the most up-to-date support information, please refer to the manufacturer's official website.