Introduction
This instruction manual provides important information regarding the safe and proper use of your LEDLightsWorld 12V 9W 0.75A Class 2 Power Supply. Please read this manual thoroughly before installation and operation, and retain it for future reference.
Safety Information
- UL Listed: This power supply is UL listed, ensuring it meets recognized safety standards.
- Voltage Compatibility: Ensure the voltage, current, and wattage of your device are compatible with this power supply (Input: 100V-240V, 50-60HZ, 0.2A; Output: 12V, 0.75A, Rated Watts 9W).
- IP44 Waterproof: The power supply has an IP44 waterproof rating, making it suitable for indoor and outdoor use. However, it is not completely waterproof. Avoid submerging it in water or using it outdoors in heavy rain.
- Connector Type: Verify that the barrel connector type and polarity (+/-) of this power supply match your device before connecting.
- Inspection: Regularly inspect the power supply and cord for any signs of damage. Do not use if damaged.
- Ventilation: Ensure adequate ventilation around the power supply during operation to prevent overheating.
Package Contents
- 1 x Class 2 LED power supply
- 1 x Cord
Specifications
| Feature | Detail |
|---|---|
| Input Voltage | 100V-240V, 50-60HZ, 0.2A |
| Output Voltage | 12V |
| Output Current | 0.75A |
| Rated Watts | 9W |
| Waterproof Level | IP44 |
| Certifications | UL Listed |
| Color | Black |
| Item Weight | 1.76 ounces |
| Package Dimensions | 3.94 x 2.17 x 1.65 inches |
| Cord Length | 3.9 Ft |
| Connector Type | Barrel Connector |
Key Features:
- Overload Protection
- Short Circuit Protection
- Overcurrent Protection
- Overheat Protection

Image: The power supply unit displaying various safety certifications and protection features, including UL certification, overload, short circuit, overcurrent, overheat protection, and waterproof rating.
Setup Instructions
- Verify Compatibility: Before connecting, ensure your LED device requires a 12V DC power input and has a current draw of 0.75A or less (9W maximum). Also, confirm that the connector type and polarity (+/-) of your device match the power supply.
- Connect the Cable: Attach the provided cord to the power supply unit. The cord features bare wire ends for connection to your LED device. Ensure a secure and correct polarity connection.
- Plug into Outlet: Once the power supply is securely connected to your device, plug the power supply into a standard 100-240V AC electrical outlet.

Image: The black 12V 9W Class 2 Power Supply unit shown with its detachable cable, illustrating the connection point.

Image: Detailed view of the female plug on the power supply and the matching male cable connector, including dimensional measurements for compatibility.

Image: A close-up of the male cable's bare wire ends, clearly indicating the positive and negative poles for correct wiring.
Video: A demonstration of connecting the power supply to a device and plugging it into a wall outlet, showcasing its use with various lighting applications.
Operating Instructions
The LEDLightsWorld 12V 9W Power Supply operates automatically once connected and plugged in. It provides a constant 12V DC output to power compatible LED devices. There are no user-adjustable settings.

Image: The power supply shown in context with various applications such as yard decor, holiday inflatables, and string lights, demonstrating its versatility.
Maintenance
- Cleaning: Wipe the power supply with a dry, soft cloth. Do not use liquid cleaners or sprays.
- Storage: When not in use, store the power supply in a cool, dry place away from direct sunlight and moisture.
- Inspection: Periodically check the power supply and its cable for any signs of wear, cuts, or damage. Replace immediately if any damage is found.
Troubleshooting
- Device Not Powering On:
- Ensure the power supply is securely plugged into a working electrical outlet.
- Verify that the power supply is correctly connected to your LED device, checking both the physical connection and polarity.
- Confirm that your LED device is compatible with the 12V 9W output of this power supply.
- Test the power supply with another compatible device, if available, to determine if the issue is with the power supply or the original device.
- Intermittent Power:
- Check all connections for looseness.
- Inspect the cable for any kinks or damage.
- Overheating:
- Ensure the power supply is not covered and has adequate airflow.
- Confirm that the connected device's power requirements do not exceed the power supply's 9W rating.
Warranty and Support
While specific warranty details are not provided in this manual, LEDLightsWorld is committed to customer satisfaction. If you encounter any problems during the use of this product, please do not hesitate to contact us for assistance. We recommend checking the product packaging or the retailer's website for the most current warranty information.





