1. Introduction
This manual provides essential information for the safe and effective use of your LKPower AC Adapter. This power supply is designed to meet the power requirements of your device, enabling operation or battery charging from standard electrical outlets. It converts AC power to the DC power necessary for your device. Please read this manual thoroughly before use.
2. Product Overview
The LKPower AC Adapter is a high-quality replacement power charger designed for compatibility with the Lite-On DX-20A4PU External DVD EZ-Dub Burning System. It features built-in over voltage and over heat protection to ensure safe operation.

Figure 2.1: LKPower AC Adapter with integrated power cable.

Figure 2.2: Physical dimensions of the AC adapter unit.

Figure 2.3: Product label indicating input voltage (100-240V AC, 50/60Hz) and a cable length of 76 inches.
3. Setup Instructions
- Verify Compatibility: Ensure your device, such as the Lite-On DX-20A4PU External DVD EZ-Dub Burning System, requires the power specifications provided by this adapter.
- Connect to Device: Insert the barrel connector end of the adapter cable firmly into the power input port of your device.
- Connect to Power Outlet: Plug the AC adapter into a standard electrical wall outlet (100-240V AC, 50/60Hz).
- Power On: Once connected, your device should receive power.

Figure 3.1: AC adapter properly connected to a wall outlet.
4. Operating Instructions
Once the LKPower AC Adapter is correctly connected to both the power outlet and your compatible device, it will automatically supply the necessary power. No further user interaction is required for its basic operation. The adapter facilitates the operation of your device and/or charges its internal battery, if applicable.
5. Safety Information
- Indoor Use Only: This adapter is designed for indoor use in dry locations. Do not expose to water, rain, or excessive moisture.
- Voltage Compatibility: Ensure the wall outlet voltage is within the adapter's specified input range (AC 100-240V).
- Overload Protection: The adapter includes over voltage and over heat protection. Do not attempt to bypass these safety features.
- Proper Handling: Avoid dropping or subjecting the adapter to strong impacts. Do not disassemble or modify the adapter.
- Cable Care: Do not place heavy objects on the power cord or expose it to sharp edges. Avoid bending or twisting the cable excessively.
- Unplug When Not in Use: Disconnect the adapter from the power outlet when not in use for extended periods.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | 180123694 |
| Input Voltage | AC 100-240V |
| Frequency Range | 50/60Hz |
| Connector Type | Barrel Connector |
| Wattage | 5 watts |
| Cable Length | Approx. 76 inches |
| Special Feature | Travel-friendly design |
| Protection | Over Voltage Protection, Over Heat Protection |
7. Troubleshooting
- No Power to Device:
- Ensure the adapter is securely plugged into both the wall outlet and the device.
- Check if the wall outlet is functional by plugging in another device.
- Verify that the device's power input port is clean and undamaged.
- Adapter Feels Hot:
- A slight warmth is normal during operation. If it feels excessively hot, unplug it immediately.
- Ensure adequate ventilation around the adapter; do not cover it.
8. Maintenance
- Cleaning: Disconnect the adapter from power before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Avoid tightly coiling the cable to prevent damage.
9. Warranty and Support
Specific warranty information for this LKPower AC Adapter is not provided in this manual. For warranty details, technical support, or further assistance, please refer to the product packaging or contact LKPower customer service directly through their official website or the retailer where the product was purchased.