Introduction
Thank you for choosing the eeTao 5V USB-C Charger. This power supply adapter is designed to provide reliable and efficient charging for your Invengo PTM-673 3.5L Wireless Cat Water Fountain. Please read this manual carefully before use to ensure proper operation and longevity of your product.
Safety Information
- Ensure the charger is used with compatible devices only (Invengo PTM-673).
- Do not expose the charger to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the charger to severe impacts.
- Do not attempt to disassemble or modify the charger.
- Keep out of reach of children.
- Unplug the charger from the power outlet when not in use for extended periods.
Setup and Connection
Follow these steps to set up and connect your eeTao USB-C Charger:
- Verify Compatibility: Ensure your device is an Invengo PTM-673 3.5L Wireless Cat Water Fountain. This charger is specifically designed for this model.
- Connect to Power Outlet: Plug the charger's AC prongs into a standard wall power outlet (100-240VAC, 50/60Hz).
- Connect to Device: Insert the USB Type C connector into the charging port of your Invengo PTM-673 device.
- Charging Indication: Your device should indicate that it is receiving power or charging. Refer to your device's manual for specific charging indicators.


Operating Instructions
The eeTao 5V USB-C Charger is designed for efficient and safe power delivery:
- Fast Charging: This charger supports fast charging for compatible devices, ensuring your Invengo PTM-673 is powered quickly.
- Protection Features: The charger incorporates multiple safety protections:
- OVP (Over Voltage Output Protection): Prevents damage from excessive voltage.
- OCP (Over Current Output Protection): Safeguards against excessive current flow.
- SCP (Short Circuit Output Protection): Protects against short circuits.
- Overcharge Protection: Prevents battery damage from overcharging.
- Overpower Protection: Manages power output to prevent overload.
- Overtemperature Protection: Monitors and regulates internal temperature.
- Once connected, the charger will automatically begin supplying power to your device.

Maintenance and Care
To ensure the longevity and optimal performance of your charger, follow these maintenance guidelines:
- Cleaning: Use a dry, soft cloth to clean the charger. Do not use liquid cleaners or aerosols.
- Storage: Store the charger in a cool, dry place away from direct sunlight and moisture when not in use.
- Cable Care: Avoid bending or twisting the cable excessively, especially near the connectors. Do not place heavy objects on the cable.
- Inspection: Periodically inspect the charger and cable for any signs of damage, such as frayed wires or cracked casing. Discontinue use if damage is found.

Troubleshooting
If you encounter issues with your eeTao USB-C Charger, please refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Device not charging. |
|
| Charger feels warm during use. |
|
| Slow charging. |
|
Specifications
| Brand | eeTao |
| Model Number | HL05000900 |
| Compatible Devices | Invengo PTM-673 Charger (for 3.5L Wireless Cat Water Fountain) |
| Connector Type | USB Type C |
| Input Voltage | 100-240VAC, 50/60Hz |
| Output Voltage | 5 Volts (DC) |
| Output Current | 0.9 Amps (900mA) |
| Special Feature | Fast Charging, OVP, OCP, SCP Protection |
| Color | Black |
| Item Weight | 3 Ounces |
Warranty Information
Your eeTao 5V USB-C Charger comes with the following warranty:
- 30 Days Refund: Eligible for a full refund within 30 days of purchase.
- 24 Months Exchange: Eligible for an exchange within 24 months of purchase for manufacturing defects.
Please retain your proof of purchase for warranty claims.
Customer Support
For further assistance, technical support, or warranty claims, please contact eeTao customer service through the retailer where you purchased the product or visit the official eeTao store on Amazon: