Introduction
This user manual provides essential information for the safe and effective use of your onerbl 12V AC/DC Adapter. This power supply is designed to provide stable 12V DC power for various electronic devices, including ZWO ASIAIR Plus, ASIAIR Pro, and ASIAIR Mini Smart WiFi Controllers for astrophotography, as well as other compatible devices requiring a 12VDC power source.

Figure 1: onerbl 12V AC/DC Adapter and included cables.

Figure 2: The adapter is suitable for a wide range of applications, including set-top boxes, routers, batteries, LED strips, oxygen machines, Roomba, game players, depilators, cameras, humidifiers, and digital frames.
Safety Information
Please read and understand all safety instructions before using this product. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Use only with devices that require a 12V DC input and have a compatible power port.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Do not disassemble, modify, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Ensure the power outlet is easily accessible and unplug the adapter during lightning storms or when unused for long periods.
- Avoid placing heavy objects on the power cord or adapter.
- This adapter is designed with multiple protection features, including over voltage protection, over heat protection, short-circuit protection, and over-current protection.

Figure 3: The adapter features a smart chip for multiple electrical protections, including short-circuit, over-voltage, and over-current protection.
What's in the Box
- 1 x Power Adapter
- 2 x Cables (AC input cable and DC output cable)
Setup
Follow these steps to set up your onerbl 12V AC/DC Adapter:
- Connect the AC Input Cable: Insert the 2-prong connector of the AC input cable into the corresponding port on the power adapter.
- Connect the DC Output Cable: Ensure the DC output cable is securely connected to the power adapter.
- Plug into Power Outlet: Insert the AC plug of the input cable into a standard 100-240V AC wall outlet.
- Connect to Device: Plug the DC output connector into the 12V DC input port of your compatible device (e.g., ZWO ASIAIR).

Figure 4: The power adapter connected to a wall outlet and powering a device.
Operating Instructions
Once properly connected, the onerbl 12V AC/DC Adapter will automatically supply power to your device. The adapter is designed for continuous operation within its specified voltage and current limits.
- A blue indicator light on the adapter signifies that it is receiving power and operating correctly.
- Ensure your device is turned off before connecting or disconnecting the power adapter to prevent potential damage.
Maintenance
To ensure the longevity and optimal performance of your power adapter, follow these simple maintenance guidelines:
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use, store the adapter 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 adapter for any signs of damage, such as frayed wires, cracks, or bent pins. If damage is found, discontinue use immediately.
Troubleshooting
If you encounter issues with your onerbl 12V AC/DC Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to device / Adapter indicator light is off. |
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| Device not charging or powering on correctly. |
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If the problem persists after trying these solutions, please contact the seller for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz (Worldwide AC Input) |
| Output Voltage | 12V DC |
| Protection Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection |
| Cable Length (Total) | Approximately 127.8 inches (324.6 cm) |
| DC Output Cable Length | Approximately 44.3 inches (112.5 cm) |
| AC Input Cable Length | Approximately 79.3 inches (201.4 cm) |
| Adapter Dimensions (approx.) | 4.2 inches (length) x 1.8 inches (width) x 1.2 inches (height) |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Figure 5: Detailed dimensions of the power adapter and its cables.

Figure 6: The adapter cables feature durable copper wire and a PVC jacket for quality and longevity.

Figure 7: Illustration of the extended cord design, showing different cable length options.
Warranty and Support
This product is manufactured by Shenzhen Waweis Technology Co., Ltd. For specific warranty details, please refer to the terms provided by your retailer at the time of purchase.
For technical support or inquiries, please contact the seller directly through the platform where the product was purchased. They will be able to provide assistance regarding product functionality and troubleshooting.





