1. Introduction
This manual provides instructions for the safe and effective use of your onerbl AC Adapter, a compatible replacement power supply designed specifically for the Xiaomi Mi Box MDZ-22-AB 4K TV Media Streaming Player. Please read this manual thoroughly before use and retain it for future reference.
2. Product Overview
The onerbl AC Adapter is a high-quality replacement power supply engineered to meet the power requirements of the Xiaomi Mi Box MDZ-22-AB. It features robust construction and integrated safety mechanisms.
Key Features:
- Input: AC 100-240V, 50/60Hz (Worldwide AC Input compatibility).
- Safety Protections: Includes over voltage protection, over heat protection, short-circuit protection, and over-current protection.
- Durable Design: Constructed with quality materials including copper wire and a PVC jacket for enhanced longevity.
- Cable Length: Approximately 76 inches (6.33 feet) for flexible placement.

Image 1: Front and side view of the onerbl AC Adapter. The adapter is black with a standard US two-prong plug. The front label shows "AC Adapter Input: 100-240VAC0.3A 50/60Hz" and regulatory marks.

Image 2: Dimensions of the onerbl AC Adapter and its cable length. The adapter measures approximately 2.6 inches in length, 1.6 inches in width, and 1.2 inches in height. The cable length is indicated as 76 inches.

Image 3: Illustration highlighting the multiple protection features of the onerbl AC Adapter, including short-circuit protection, over-voltage protection, and over-current protection.

Image 4: Diagram illustrating the durable design of the onerbl AC Adapter's cable, showing the internal copper wire and external PVC jacket for quality and longevity.
3. Setup Instructions
Follow these steps to properly set up your onerbl AC Adapter with your Xiaomi Mi Box MDZ-22-AB:
- Verify Compatibility: Ensure your device is a Xiaomi Mi Box model MDZ-22-AB. This adapter is specifically designed for this model and may not be compatible with others.
- Connect to Device: Insert the DC output plug of the onerbl AC Adapter firmly into the power input port of your Xiaomi Mi Box MDZ-22-AB.
- Connect to Power Outlet: Plug the AC input prongs of the adapter into a standard wall power outlet (100-240V AC, 50/60Hz).
- Power On: Once connected, your Xiaomi Mi Box MDZ-22-AB should receive power and be ready for operation.

Image 5: The onerbl AC Adapter plugged into a power strip, with its cable extending to connect to a device (represented by a laptop in the background). This illustrates a typical connection scenario.
4. Operating Instructions
The onerbl AC Adapter operates as a direct power supply. Once properly connected, it continuously provides the necessary power to your Xiaomi Mi Box MDZ-22-AB.
- No user interaction is required for the adapter's operation after initial setup.
- Ensure the adapter is always plugged into a functional power outlet.
- Disconnect the adapter from the power outlet when not in use for extended periods or during electrical storms.
5. Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Indoor Use Only: This adapter is designed for indoor use. Do not expose it to rain, moisture, or extreme temperatures.
- Proper Ventilation: Ensure the adapter has adequate ventilation. Do not cover it or place it in an enclosed space where heat cannot dissipate.
- Avoid Overloading: Do not plug the adapter into an overloaded power strip or extension cord.
- Handle with Care: Do not drop, disassemble, or attempt to repair the adapter. Refer all servicing to qualified personnel.
- Cable Integrity: Regularly inspect the power cord for any signs of damage. Do not use if the cord is frayed or damaged.
- Keep Away from Children: Store the adapter out of reach of children.
- Correct Voltage: Only plug the adapter into outlets providing the specified voltage range (AC 100-240V).
6. Maintenance
The onerbl AC Adapter requires minimal maintenance. Follow these guidelines to ensure its longevity:
- Cleaning: Disconnect the adapter from the power outlet before cleaning. Use a soft, dry cloth to wipe the exterior. 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 excessive heat.
- Cable Management: Avoid tightly winding the cable or placing heavy objects on it, which can cause damage.
7. Troubleshooting
If you encounter issues with your onerbl AC Adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Adapter feels excessively hot. |
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| Intermittent power to device. |
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8. Specifications
| Feature | Detail |
|---|---|
| Model Compatibility | Xiaomi Mi Box MDZ-22-AB (Not compatible with other models) |
| Input Voltage | AC 100-240V |
| Input Frequency | 50/60Hz |
| Input Current | 0.3A (max) |
| Cable Length | Approx. 76 inches (6.33 feet) |
| Safety Features | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| ASIN | B0CGDJ435S |
9. Warranty & Support
This onerbl AC Adapter is covered by a return policy that allows for refund or replacement within 30 days of purchase. For specific warranty details or technical support, please refer to your purchase documentation or contact the seller directly.
Seller: GreatComputerParts
For further assistance, please contact the retailer from whom you purchased this product.