1. Important Safety Information
Please read and understand all safety instructions before using this AC-DC adapter. Failure to follow these instructions may result in electric shock, fire, or damage to the product or connected device.
- Indoor Use Only: This adapter is designed for indoor use in dry locations. Do not expose to rain, moisture, or extreme temperatures.
- Proper Voltage: Ensure the wall outlet voltage matches the adapter's input specifications (AC 100-240V).
- Avoid Overloading: Do not overload electrical outlets or extension cords.
- Cable Care: Do not pinch, bend, or place heavy objects on the power cord. Inspect the cord for damage before each use.
- Disconnect Safely: Always grasp the plug, not the cord, when disconnecting from the power outlet.
- Protection Features: This adapter includes Over Voltage Protection, Over Heat Protection, and Short Circuit Protection to safeguard your device. However, do not intentionally expose the adapter to conditions that would trigger these protections.
- Children and Pets: Keep the adapter and its cord out of reach of children and pets.
- No User Serviceable Parts: Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
2. Product Overview
The onerbl AC-DC Adapter is a replacement power supply designed to provide reliable power to your Anjou Water Flosser. It converts standard AC wall power to the DC power required by your device, enabling both operation and battery charging.

Figure 1: onerbl AC-DC Adapter. This image shows the compact black adapter with its 2-prong plug for wall outlets and the attached cord terminating in a barrel connector, ready for connection to compatible Anjou Water Flossers.
Key Features:
- Universal Input: AC 100-240V, 50/61Hz for worldwide compatibility.
- Output: 5V DC (5 VDC) for Anjou Water Flossers.
- Connector Type: Barrel Connector.
- Safety Protections: Over Voltage Protection, Over Heat Protection, Short Circuit Protection.
- Compatibility: Specifically designed for Anjou AJ-PCA026, AJ-PCA028, AJ-PCA033 Water Flossers.
3. Setup Instructions
Follow these steps to properly connect and use your onerbl AC-DC adapter with your Anjou Water Flosser.
- Inspect the Adapter: Before connecting, visually inspect the adapter and its cord for any signs of damage. Do not use if damaged.
- Connect to Water Flosser: Locate the charging port on your Anjou AJ-PCA026, AJ-PCA028, or AJ-PCA033 Water Flosser. Insert the barrel connector of the adapter firmly into the charging port.
- Connect to Power Outlet: Plug the 2-prong end of the adapter into a standard AC 100-240V wall power outlet.
- Verify Connection: Once connected, your Anjou Water Flosser should indicate that it is receiving power or charging (e.g., a charging indicator light may illuminate).
Note: This adapter is a direct replacement and is designed to work seamlessly with the specified Anjou Water Flosser models. Ensure your device is compatible before use.
4. Operating the Adapter
The onerbl AC-DC adapter operates automatically once connected. It provides a stable 5V DC power supply to your Anjou Water Flosser for both direct operation and battery charging.
- Charging: When connected, the adapter will charge the internal battery of your water flosser. Refer to your water flosser's manual for specific charging times and battery indicators.
- Direct Power: The adapter can also power your water flosser directly while it is plugged in, allowing you to use the device even if the battery is low or depleted.
- Automatic Voltage Adjustment: The adapter automatically adjusts to input voltages between 100V and 240V, making it suitable for use in various regions without a voltage converter.
5. Maintenance and Care
Proper care will extend the life of your onerbl AC-DC adapter.
- 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 solvents.
- Storage: When not in use, store the adapter in a cool, dry place, away from direct sunlight and moisture. Avoid tightly winding the cord to prevent damage.
- Environmental Conditions: Do not operate the adapter in excessively hot, cold, or humid environments.
6. Troubleshooting
If you encounter issues with your onerbl AC-DC adapter, refer to the following common problems and solutions.
- Problem: The Anjou Water Flosser is not charging or receiving power.
Solution:- Ensure the adapter is securely plugged into a working wall outlet. Test the outlet with another device.
- Verify that the barrel connector is fully inserted into the charging port of the water flosser.
- Check the adapter cord for any visible damage (cuts, kinks). If damaged, discontinue use and replace the adapter.
- Confirm that your Anjou Water Flosser model (AJ-PCA026, AJ-PCA028, AJ-PCA033) is compatible with this adapter.
- Problem: The adapter feels unusually hot during operation.
Solution:- A slight warmth is normal. However, if it's excessively hot, disconnect it immediately.
- Ensure the adapter is in a well-ventilated area and not covered.
- If the issue persists, discontinue use and contact support.
If these steps do not resolve the issue, please contact the seller or manufacturer for further assistance.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | onerbl |
| Product Type | AC-DC Adapter / Power Supply |
| Input Voltage | AC 100-240V, 50/61Hz (Worldwide Auto Input) |
| Output Voltage | DC 5V |
| Connector Type | Barrel Connector |
| Compatible Devices | Anjou AJ-PCA026, AJ-PCA028, AJ-PCA033 Water Flosser Cordless Teeth Cleaner Professional Dental Oral Irrigator |
| Special Features | Over Voltage Protection, Over Heat Protection, Short Circuit Protection |
| Color | Black |
| Manufacturer | Shenzhen Waweis Technology Co., Ltd |
8. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or contact the seller directly. The manufacturer, Shenzhen Waweis Technology Co., Ltd, stands behind the quality of this product.
If you have any questions or require assistance, please reach out to the retailer from whom you purchased this onerbl AC-DC adapter.