Introduction
This manual provides essential information for the safe and effective use of your Onerbl AC-DC Adapter. This power supply is designed to operate your SEJOY C91, C91-BLA, C10S, or C10S-BLA Water Flosser and charge its battery from standard electrical power outlets. It converts AC power into the DC power required by your device.
The adapter is manufactured with high-quality materials and includes safety features such as over-voltage and over-heat protection to ensure reliable performance.
Product Overview

Figure 1: Onerbl AC-DC Adapter. This image shows the black AC-DC adapter with its 2-prong plug and the attached USB charging cord, ready for connection to a compatible device.
The Onerbl AC-DC Adapter is a compact power solution featuring a 2-prong USB charging cord. It is specifically designed for compatibility with SEJOY C91, C91-BLA, C10S, and C10S-BLA Water Flossers, providing 5V DC power.
Setup Instructions
- Verify Compatibility: Ensure your device is a SEJOY C91, C91-BLA, C10S, or C10S-BLA Water Flosser. This adapter is designed for these specific models.
- Connect to Device: Plug the USB charging cord from the Onerbl AC-DC Adapter into the charging port of your SEJOY Water Flosser. Ensure the connection is secure.
- Connect to Power Outlet: Insert the 2-prong plug of the AC-DC adapter into a standard AC 100-240V 50/60Hz electrical wall outlet.
- Power On: Once connected, your water flosser should begin charging or be ready for operation, depending on its design. Refer to your water flosser's manual for specific charging indicators.
Operating Instructions
The Onerbl AC-DC Adapter functions as a power source and charger for your compatible SEJOY Water Flosser. Once properly connected to both the device and a power outlet, it will supply the necessary power for operation and facilitate battery charging.
- The adapter automatically adjusts to worldwide AC input (100-240V, 50/60Hz).
- It provides a stable 5V DC output, suitable for your water flosser.
- The adapter is designed for continuous use when powering the device or charging its battery.
Maintenance
Proper maintenance ensures the longevity and safe operation of your Onerbl AC-DC Adapter.
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a dry, soft cloth to wipe the exterior. Do not use liquid cleaners or immerse the adapter in water.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Cable Care: Avoid bending, twisting, or crimping the power cord excessively. Do not place heavy objects on the cord.
- Inspection: Periodically inspect the adapter and cord for any signs of damage, such as frayed wires, cracks, or loose connections. If damage is found, discontinue use immediately.
Troubleshooting
If you encounter issues with your Onerbl AC-DC Adapter, refer to the following common troubleshooting steps:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not powering on or charging. |
|
|
| Adapter feels unusually hot. |
|
|
If troubleshooting steps do not resolve the issue, contact the product seller for further assistance.
Specifications
- Brand: Onerbl
- Input: AC 100-240V, 50/60Hz (Worldwide Compatible)
- Output: DC 5V
- Power: 5W
- Connector Type: 2-Prong USB Charging Cord
- Color: Black
- Special Features: Over Voltage Protection, Over Heat Protection, Short Circuit Protection
- Compatible Devices: SEJOY C91, C91-BLA, C10S, C10S-BLA Water Flosser Cordless Dental Oral Irrigator Floss Water Pick Teeth Clean
Warranty and Support
Specific warranty information for this Onerbl AC-DC Adapter is not provided in this manual. For details regarding warranty coverage or technical support, please refer to the product packaging or contact the seller directly. Amazon's return policy typically allows returns within 30 days of receipt for most new, unopened items.