1. Introduction
Thank you for choosing the Remax RPP-310 65W 40000mAh Fast Charging Power Bank. This portable power bank is designed to provide high-capacity, fast charging for a wide range of electronic devices, including smartphones, tablets, and laptops. With its multiple output ports and advanced charging technologies (PD, QC), it ensures your devices stay powered on the go. Please read this manual carefully before use to ensure safe and optimal performance.
2. Safety Information
- Do not expose the power bank to extreme temperatures (above 60°C/140°F or below 0°C/32°F), direct sunlight, or fire.
- Avoid dropping, disassembling, or attempting to repair the device yourself. This may cause damage, electric shock, or fire.
- Keep the power bank away from water, moisture, and corrosive materials.
- Use only certified charging cables and adapters.
- Do not use the power bank if it is damaged, swollen, or leaking.
- Keep out of reach of children.
- Dispose of the product responsibly according to local regulations.
3. Package Contents
- Remax RPP-310 65W 40000mAh Power Bank
- USB-C to USB-C Charging Cable (may vary)
- User Manual
4. Product Overview
The Remax RPP-310 features a sleek design with multiple ports for versatile charging. The LED digital display provides real-time battery status.

Figure 1: Front view of the Remax RPP-310 Power Bank, highlighting its 40000mAh capacity and 65W output capability.

Figure 2: Detailed view of the power bank's input/output ports and LED digital display.
- USB Output (22.5W max): For charging various USB-A compatible devices.
- Type-C 2 Output (18W max): For charging USB-C compatible devices.
- Type-C1 Input/Output (65W max): For fast charging the power bank itself or charging high-power USB-C devices like laptops.
- Power Button: Press once to check battery level or initiate charging.
- LED Digital Display: Shows the current battery percentage and charging status.

Figure 3: Illustration of the 22.5W Super Output, showing a smartphone charging rapidly. For example, a P40 can reach 60% charge in 30 minutes with 22.5W fast charging, compared to 40% with 2A output.

Figure 4: The 40000mAh capacity allows for multiple device charges. For instance, it can provide approximately 7 charges for an iPhone 13, 6 charges for a Huawei P40, or 5 charges for a Xiaomi 11 Pro.
5. Specifications
| Feature | Detail |
|---|---|
| Model | RPP-310 |
| Battery Capacity | 40000mAh |
| Max Output Power | 65W |
| USB Output | 22.5W (max) |
| Type-C 2 Output | 18W (max) |
| Type-C1 Input/Output | 65W (max) |
| Display | LED Digital Display |
| Charging Technologies | PD (Power Delivery), QC (Quick Charge) |
| Certifications | RoHS, CE, FCC |
| Dimensions (L x W x H) | 20 cm x 12 cm x 6 cm |
| Weight | 1.2 kg |
| Origin | Mainland China |
6. Setup
6.1 Charging the Power Bank
- Connect the provided USB-C cable to the Type-C1 port on the power bank.
- Connect the other end of the cable to a compatible USB wall charger (a 65W PD charger is recommended for fastest charging).
- The LED digital display will show the charging progress. The power bank is fully charged when the display shows 100%.
Note: For optimal performance, fully charge the power bank before first use.
7. Operating Instructions
7.1 Charging Your Devices
- Connect your device's charging cable to the appropriate output port on the power bank (USB, Type-C 2, or Type-C1).
- Connect the other end of the cable to your device.
- Press the Power Button once to initiate charging. The LED display will light up, indicating the remaining battery level.
- Your device should begin charging. The power bank will automatically detect the optimal charging protocol (PD, QC) for your device.
- To stop charging, simply disconnect your device. The power bank will automatically power off after a period of inactivity.
7.2 Checking Battery Level
Press the Power Button once. The LED digital display will show the current battery percentage for a few seconds.
8. Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the power bank. Do not use harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge it to about 50-75% every three months to prolong battery life.
- Avoid Impact: Protect the power bank from drops and heavy impacts.
9. Troubleshooting
9.1 Power Bank Not Charging
- Ensure the charging cable is securely connected to both the power bank's Type-C1 input port and the wall charger.
- Verify that the wall charger is functioning correctly and plugged into a live power outlet.
- Try using a different USB-C cable and/or wall charger.
9.2 Device Not Charging from Power Bank
- Ensure the power bank has sufficient charge (check the LED display).
- Press the Power Button once to activate the power bank.
- Check that the charging cable is securely connected to both the power bank and your device.
- Try using a different charging cable or a different output port on the power bank.
- Ensure your device is compatible with the power bank's output specifications.
9.3 Slow Charging
- Ensure you are using a fast-charging compatible cable and your device supports fast charging.
- For the fastest charging of the power bank itself, use a 65W PD compatible wall charger with the Type-C1 port.
- Charging multiple devices simultaneously may reduce the charging speed for individual devices.
10. User Tips
- To maximize the lifespan of your power bank, avoid completely draining its battery frequently.
- Always use high-quality, certified charging cables to ensure efficient and safe charging.
- When traveling, especially by air, check airline regulations regarding portable power banks and their capacity.
11. Regulatory Compliance
This device complies with relevant international standards and directives, including RoHS, CE, and FCC, ensuring environmental protection and product safety.
12. Warranty and Support
For warranty information and technical support, please refer to the seller's policy or contact their customer service directly. Keep your purchase receipt as proof of purchase.





