1. Introduction
This manual provides instructions for the safe and effective use of your eeTao 5V Replacement Power Adapter. This adapter is specifically designed to be compatible with the TOONIOOS W2 Cat Dog Pet Water Fountain, providing reliable power and charging capabilities for its 2000mAh battery via a USB Type C connection.
Please read this manual thoroughly before using the product and retain it for future reference.
2. Safety Information
To ensure safe operation and prevent damage, please observe the following safety precautions:
- Use the adapter only with compatible devices, specifically the TOONIOOS W2 Cat Dog Pet Water Fountain.
- Do not expose the adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to severe impact.
- Do not attempt to disassemble, modify, or repair the adapter yourself. Refer all servicing to qualified personnel.
- Ensure the power outlet voltage matches the adapter's input voltage (100-240 VAC).
- Unplug the adapter from the power outlet when not in use for extended periods.
- Keep out of reach of children and pets.
- The adapter is equipped with Over Voltage Protection (OVP), Over Current Protection (OCP), and Short Circuit Protection (SCP) for enhanced safety.
3. Product Overview
The eeTao 5V Replacement Power Adapter is a compact and efficient power supply designed for your pet water fountain. It features a standard US plug and a USB Type C connector for reliable power delivery.

Image 3.1: The eeTao 5V Replacement Power Adapter. This image shows the compact black power adapter with its attached cable, featuring a standard two-prong US plug.

Image 3.2: Power Adapter compatibility with TOONIOOS W2 Pet Water Fountain. This image illustrates the power adapter's intended use, showing a pet water fountain with the text "Machine Not Included" to clarify that only the adapter is being sold.
4. Setup Instructions
Follow these steps to set up your eeTao 5V Replacement Power Adapter:
- Unpack the Adapter: Carefully remove the power adapter from its packaging.
- Inspect for Damage: Before use, visually inspect the adapter and cable for any signs of damage. Do not use if damaged.
- Connect to Device: Locate the USB Type C charging port on your TOONIOOS W2 Cat Dog Pet Water Fountain. Insert the USB Type C connector of the eeTao adapter firmly into this port.
- Plug into Power Outlet: Insert the two-prong plug of the adapter into a standard 100-240 VAC wall outlet. Ensure the outlet is easily accessible.
- Verify Connection: Once connected, your TOONIOOS W2 water fountain should begin charging or receive power. Refer to your fountain's manual for indicators of charging status.
5. Operating Instructions
The eeTao 5V Replacement Power Adapter operates automatically once connected. It provides a stable 5V DC output at 1 Amp, suitable for charging and powering the TOONIOOS W2 Cat Dog Pet Water Fountain.
- The adapter is designed for continuous use, but it is recommended to unplug it when the device is fully charged or not in use for extended periods.
- The adapter features a robust cable design for durability and efficient power transfer.

Image 5.1: Internal structure of the premium cable. This diagram illustrates the cable's construction, highlighting the inner insulator, coarsening core, and TPE protective layers for durability and safety.
6. Maintenance
Proper maintenance ensures the longevity and performance of your power adapter:
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or abrasive materials.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and extreme temperatures when not in use. Avoid tightly coiling the cable to prevent damage.
- Cable Care: Do not bend, twist, or pull the cable excessively. Avoid placing heavy objects on the cable.
7. Troubleshooting
If you encounter issues with your power adapter, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging/powering on. |
|
|
| Adapter feels unusually hot. |
|
|

Image 7.1: Security protection features of the adapter. This graphic highlights the multiple safety features including temperature protection, overcharge protection, lightning protection, short circuit protection, and anti-interference protection, all designed to ensure safe charging.
8. Specifications
Key technical specifications for the eeTao 5V Replacement Power Adapter:
- Brand: eeTao
- Model Number: TOONIOOS W2 5V Charger
- Input Voltage: 100-240 VAC, 50/60 Hz
- Output Voltage: 5 Volts DC
- Output Current: 1 Amps
- Connector Type: USB Type C
- Compatible Devices: TOONIOOS W2 Cat Dog Pet Water Fountain
- Special Features: Over Voltage Protection (OVP), Over Current Protection (OCP), Short Circuit Protection (SCP)
- Item Weight: Approximately 4 Ounces
9. Warranty and Support
Your eeTao 5V Replacement Power Adapter comes with the following warranty and support:
- Warranty: 30 Days Refund - 24 Months Exchange.
- For warranty claims or technical support, please contact eeTao customer service through the retailer where the product was purchased or visit the official eeTao store page on Amazon: eeTao Store.