1. Introduction
This manual provides instructions for the safe and effective use of your Onerbl AC-DC Adapter, Model CL2901-E. This adapter is designed as a replacement power supply for specific devices, including the Huanuo HNESD106B-US Ultra-Strong Dual-Motor Sit Stand Electric Standing Height Adjustable Desk Frame JSM-BLDC-01 Motor Driver.
Please read this manual thoroughly before using the product and retain it for future reference.
2. Safety Information
- Ensure the adapter's voltage and current ratings match your device's requirements.
- 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 or repair the adapter. Refer servicing to qualified personnel.
- Unplug the adapter from the power outlet when not in use for extended periods.
- Keep out of reach of children.
3. Package Contents
- 1 x Onerbl AC-DC Adapter (Model CL2901-E)
- 1 x AC Power Cord

Figure 1: The Onerbl AC-DC Adapter (black rectangular unit) connected to its AC power cord (with a 2-prong US plug) and a DC output cable (with a barrel connector), both black and coiled.
4. Setup
- Verify Compatibility: Ensure your device requires a power supply compatible with the Onerbl CL2901-E adapter. This adapter is specifically designed for devices such as the Huanuo HNESD106B-US Ultra-Strong Dual-Motor Sit Stand Electric Standing Height Adjustable Desk Frame JSM-BLDC-01 Motor Driver. Check your device's power input specifications.
- Connect AC Power Cord: Insert the AC power cord into the adapter's AC input port.
- Connect to Device: Plug the DC output connector (barrel connector) of the adapter into the power input port of your compatible device.
- Connect to Wall Outlet: Insert the AC plug of the power cord into a standard 110V AC electrical wall outlet.
The adapter is now ready for operation.
5. Operating Instructions
Once properly connected, the Onerbl AC-DC Adapter will supply power to your device. No further user interaction is typically required for the adapter itself during operation.
- Ensure all connections are secure before powering on your device.
- Monitor your device for proper function after connecting the adapter.
- If your device has an on/off switch, use it to control power to the device.
6. Maintenance
The Onerbl AC-DC Adapter requires minimal maintenance.
- Cleaning: Disconnect the adapter from the power outlet and your device before cleaning. Use a soft, dry cloth to wipe the exterior. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and moisture when not in use.
- Cable Care: Avoid bending or kinking the cables sharply. Do not place heavy objects on the cables.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on. |
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| Adapter feels excessively hot. |
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If troubleshooting steps do not resolve the issue, discontinue use and contact customer support.
8. Specifications
| Model | CL2901-E |
| Brand | Onerbl |
| Input Voltage | 110 Volts (AC) |
| Connector Type | Barrel Connector |
| Special Feature | Short Circuit Protection |
| Compatible Devices | Huanuo HNESD106B-US Ultra-Strong Dual-Motor Sit Stand Electric Standing Height Adjustable Desk Frame JSM-BLDC-01 Motor Driver Model CL2901-E |
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided with your purchase or contact Onerbl customer service through their official channels.
Manufacturer: Shenzhen Waweis Technology Co., Ltd