Introduction
Thank you for choosing the onerbl 8-Way 12V AC Adapter. This manual provides essential information for the safe and efficient use of your power adapter. Please read this manual thoroughly before installation and operation, and retain it for future reference.
This adapter is designed to provide reliable power to compatible EZVIZ camera systems, including models such as BD-1424B1, BD-2824B1, BD-2826B2, BD-2828B2, BA-221B, BN-1844A2, and BN-1826A2. It is intended for camera power only.
Important Safety Information
- Ensure the power adapter is used with devices that match its voltage and current specifications.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
- Disconnect the power adapter from the outlet during lightning storms or when unused for long periods.
- Keep out of reach of children.
- Ensure proper ventilation around the adapter during operation to prevent overheating.
Package Contents
Verify that all items are present in your package:
- 1 x onerbl 8-Way 12V AC Adapter
- 1 x AC Power Cord

Image: The onerbl 8-Way 12V AC Adapter unit with its attached output cable and the detachable AC power input cord.
Product Features
- Universal Input: Supports AC 100-240V, 50/60Hz for worldwide compatibility.
- Multiple Protections: Equipped with smart chip technology for short-circuit protection, over-voltage protection, and over-current protection.
- Durable Design: Constructed with quality materials including copper wire and a PVC jacket for enhanced longevity.
- Extended Cord: Features an extended cable design for flexible placement.
- Wide Compatibility: Designed for various 12V devices, specifically compatible with EZVIZ 4 and 8 channel camera systems.

Image: Diagram illustrating the smart chip with short-circuit, over-voltage, and over-current protection features.

Image: Cross-section view of the cable showing copper wire and PVC jacket, highlighting the durable design.

Image: Illustration of the extended cord design, showing examples of flexible placement options for the adapter.
Specifications
| Parameter | Value |
|---|---|
| Input Voltage | AC 100-240V, 50/60Hz |
| Output Voltage | 12V DC |
| Output Ways | 8-Way Splitter |
| Compatibility | EZVIZ BD-1424B1, BD-2824B1, BD-2826B2, BD-2828B2, BA-221B, BN-1844A2, BN-1826A2 (for camera ONLY) |
| Protections | Over Voltage Protection, Over Heat Protection, Short-Circuit Protection, Over-Current Protection |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |

Image: Diagram showing the dimensions of the adapter unit and cable lengths. Adapter dimensions: 4.2 inches (length), 1.8 inches (width), 1.2 inches (height). Total cable length: 127.8 inches.
Setup Instructions
- Verify Compatibility: Ensure your camera system requires a 12V DC power input and is compatible with an 8-way splitter. Refer to your camera system's manual for power requirements.
- Connect AC Power Cord: Plug the included AC power cord into the input port of the onerbl 8-Way 12V AC Adapter.
- Connect to Power Outlet: Insert the AC power cord's plug into a standard AC 100-240V wall outlet. The adapter's indicator light should illuminate, confirming power is supplied.
- Connect to Cameras: Connect the 8-way splitter output cables from the adapter to the power input ports of your compatible EZVIZ cameras. Ensure each connection is secure.
- Power On Devices: Once all connections are secure, power on your camera system.

Image: The AC adapter plugged into a wall outlet, demonstrating a typical setup scenario.
Operation
The onerbl 8-Way 12V AC Adapter operates automatically once connected. The adapter provides a stable 12V DC power supply to all connected devices. The blue indicator light on the adapter signifies that it is receiving power and functioning correctly.
- Ensure the adapter is placed in a well-ventilated area to prevent heat buildup.
- Regularly check all cable connections to ensure they are secure and free from damage.
- If the indicator light is off, check the power outlet and all connections.
Maintenance
- Cleaning: Disconnect the adapter from the power outlet before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: When not in use for extended periods, store the adapter in a cool, dry place, away from direct sunlight and moisture.
- Cable Inspection: Periodically inspect the power cords and adapter housing for any signs of damage, such as cuts, fraying, or cracks. Replace if damage is observed.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Adapter indicator light is off. | No power from outlet; loose connection; faulty adapter. | Check if the wall outlet is functional. Ensure the AC power cord is securely plugged into both the adapter and the wall outlet. If the issue persists, the adapter may be faulty and require replacement. |
| Connected cameras are not receiving power. | Loose output connections; incompatible device; faulty camera power input. | Verify that the 8-way splitter cables are securely connected to each camera. Confirm that your cameras are compatible with a 12V DC power supply. Test with a single camera if possible to isolate the issue. |
| Adapter feels excessively hot. | Poor ventilation; overloaded circuit; internal fault. | Ensure the adapter is in a well-ventilated area, not covered. Disconnect some devices if possible to reduce load. If overheating continues, discontinue use and replace the adapter. |
Warranty and Support
The onerbl 8-Way 12V AC Adapter comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the product packaging or contact your retailer. For technical support or inquiries, please reach out to the manufacturer or your point of purchase.





