1. Introduction
Thank you for choosing the onerbl AC-DC Adapter. This adapter is designed to provide reliable power to various Okin adjustable bed control boxes and control units. It converts standard AC electrical power into the DC power required by your device, ensuring proper functionality and charging capabilities.
This manual provides essential information for the safe and effective use of your new adapter, including setup, operation, maintenance, and troubleshooting.

Figure 1: The onerbl AC-DC Adapter. This image displays the black onerbl AC-DC adapter unit, a rectangular block, connected to its power cord. The cord includes a standard two-prong AC plug for wall outlets and a barrel connector for the device.
2. Product Contents
The package includes:
- 1 x onerbl AC-DC Adapter
3. Specifications
| Brand | onerbl |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
| Connector Type | Barrel Connector |
| Input Voltage | 100 Volts (AC) |
| Power Source | Corded Electric |
| Special Feature | Short Circuit Protection |
| Color | Black |
4. Compatibility
This onerbl AC-DC Adapter is compatible with various Okin adjustable bed control boxes and control units, including but not limited to the following models:
- Okin Adjustable Bed Control Box CB1220 (LT-26975, CB.12.20.02, CB.12.20.19)
- Okin Adjustable Bed Control Box CB4620 (CB.48.20.01)
- Okin Adjustable Bed Control Unit CU358-2-L (JLDP.13.009.000, JLDP 15.001.092, CU358-2, JLDP 15.001.062, JLDP 15.001.064, JLDP.15.005.004)
Please verify your device's model number against this list to ensure compatibility.
5. Setup Instructions
Follow these steps to properly set up your AC-DC adapter:
- Unpack the Adapter: Carefully remove the adapter from its packaging.
- Inspect for Damage: Before use, visually inspect the adapter and its cables for any signs of damage. Do not use if damaged.
- Connect to Device: Locate the power input port on your Okin adjustable bed control box or control unit. Insert the barrel connector of the adapter firmly into this port.
- Connect to Power Outlet: Plug the two-prong AC plug of the adapter into a standard 100V AC electrical wall outlet. Ensure the outlet is easily accessible.
- Verify Connection: Confirm that all connections are secure. The device should now receive power.
6. Operating Instructions
Once the adapter is correctly set up, your Okin adjustable bed control box or control unit should be ready for operation. The adapter provides continuous power to the device.
- The adapter is designed for continuous use within its specified voltage and current limits.
- If your device has a battery, the adapter will also facilitate charging while connected.
- To disconnect power, first unplug the AC plug from the wall outlet, then disconnect the barrel connector from your device.
7. Maintenance
Proper maintenance ensures the longevity and safe operation of your adapter:
- Cleaning: Disconnect the adapter from all power sources before cleaning. Use a soft, dry cloth to wipe the adapter. Do not use liquid cleaners or solvents.
- 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 adapter and its cables for any signs of wear, cuts, or fraying. Replace the adapter immediately if any damage is observed.
8. Troubleshooting
If you encounter issues with your adapter, refer to the following troubleshooting steps:
- 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 adapter is compatible with your specific Okin control box/unit model.
- Adapter Overheating:
- It is normal for adapters to feel slightly warm during operation. However, if it becomes excessively hot to the touch, disconnect it immediately.
- Ensure the adapter is in a well-ventilated area and not covered.
- If overheating persists, discontinue use and contact support.
- Device Not Charging (if applicable):
- Confirm the adapter is providing power to the device.
- Check the device's own charging indicator or manual for specific charging requirements.
If these steps do not resolve the issue, please contact the manufacturer or seller for further assistance.
9. Safety Information
Please read and follow these safety precautions to prevent injury or damage:
- Use the adapter only with compatible devices as specified in this manual.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open, modify, or repair the adapter. This may void any warranty and poses a safety risk.
- Keep the adapter out of reach of children and pets.
- Ensure proper ventilation around the adapter during use to prevent overheating.
- Unplug the adapter from the wall outlet during lightning storms or when unused for extended periods.