Introduction
This manual provides essential information for the safe and effective use of your UpBright 5V AC/DC Adapter. This adapter is designed to provide reliable power for compatible devices, specifically Renpho R3 Mini Massage Guns and similar models. Please read this manual thoroughly before use and retain it for future reference.
Product Overview
The UpBright 5V AC/DC Adapter is a compact and efficient power supply unit. It features a USB Type-C connector for broad compatibility with modern devices requiring 5V DC input.

Figure 1: Front view of the UpBright 5V AC/DC Adapter, showing the input specifications and USB-C cable.

Figure 2: Various Renpho massage gun models (RP-GM171, RP-GM173, R-C001 series) that are compatible with this UpBright AC adapter.

Figure 3: Side view of the UpBright 5V AC/DC Adapter, showing its compact design.

Figure 4: Top-down view of the UpBright 5V AC/DC Adapter, highlighting the product label and certifications.

Figure 5: Examples of international outlet adapters (AU, EU, UK) that may be included with international orders, alongside a sample UpBright Limited Warranty Certificate.
Setup
- Verify Compatibility: Ensure your device requires a 5V DC input and has a USB Type-C charging port. This adapter is specifically designed for Renpho R3 series massage guns (RP-GM171, RP-GM173, R-C001, etc.).
- Connect to Power Outlet: Plug the AC/DC adapter into a standard wall power outlet (100-240VAC, 50/60Hz).
- Connect to Device: Insert the USB Type-C connector of the adapter cable into the charging port of your compatible device.
The adapter is designed for worldwide input voltage, making it suitable for international travel when paired with the appropriate regional plug adapter (if not already included).
Operating Instructions
Once connected, the adapter will begin supplying power to your device. For devices with rechargeable batteries, the adapter will initiate the charging process. The adapter incorporates multiple safety features:
- OVP (Over Voltage output Protection): Protects your device from excessive voltage.
- OCP (Over Current output Protection): Prevents damage from excessive current flow.
- SCP (Short Circuit output Protection): Safeguards against short circuits.
Always ensure the adapter is used in a well-ventilated area and avoid covering it during operation to prevent overheating.
Maintenance
- Keep the adapter clean and dry. Avoid exposure to moisture or extreme temperatures.
- Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
- Inspect the cable and connector regularly for any signs of damage. Discontinue use if damage is observed.
- Unplug the adapter from the wall outlet when not in use for extended periods.
Troubleshooting
Device Not Charging
- Check Connections: Ensure the adapter is securely plugged into both the wall outlet and your device.
- Verify Power Outlet: Test the wall outlet with another device to confirm it is supplying power.
- Inspect Cable/Adapter: Look for any visible damage to the adapter or its cable.
- Device Battery Condition: Rechargeable batteries have a limited lifespan (typically 1 to 3 years). If your device's battery is old or dead, it may not accept a charge, even with a functional adapter. This is a common issue and does not indicate a fault with the charger. A voltmeter can be used to confirm if the charger is outputting power.
- Device Compatibility: Double-check that your device's power requirements match the adapter's output (5V DC, 2A).
Specifications
| Feature | Detail |
|---|---|
| Model Number | Renpho R3 RP-GM171 USB C Power Supply |
| Input Voltage | 100-240VAC, 50/60Hz (Worldwide Compatible) |
| Output Voltage | 5V DC |
| Output Current | 2 Amps (2000mAh) |
| Wattage | 5 Watts |
| Connector Type | USB Type C Connector |
| Product Dimensions | 4 x 3 x 2 inches |
| Item Weight | 3 ounces |
| Special Feature | Power Supply with OVP, OCP, SCP Protection |
Warranty and Support
UpBright stands behind the quality of its products. This adapter comes with the following warranty and support:
- Refund Policy: 30 days refund period from the date of purchase.
- Exchange Policy: 24 months exchange for defective units.
For any inquiries or support, please refer to the contact information provided on your product packaging or the official UpBright website. Please retain your proof of purchase for warranty claims.