1. Introduction
Thank you for choosing the UGREEN Nexode 67W 20000mAh Power Bank. This portable charger is designed to provide efficient and reliable power for your electronic devices on the go. Please read this manual carefully to ensure proper use and to maximize the lifespan of your device.
2. Product Overview
2.1 Package Contents
- UGREEN Nexode 67W 20000mAh Power Bank (Model PB550)
- User Manual
2.2 Device Features
- High Capacity: 20000mAh internal battery.
- Fast Charging: Supports up to 67W output (PD 65W, Xiaomi 67W).
- Integrated USB-C Cable: Convenient 17.8cm built-in USB-C cable.
- Multiple Ports: One integrated USB-C cable, one USB-C port, and one USB-A port for simultaneous charging of up to three devices.
- LED Display: Real-time battery level indicator.
- Safety Protections: Built-in safeguards against over-voltage, over-current, over-charge, over-heat, and short-circuits.
- Low Current Mode: Optimized for charging low-power devices like smartwatches and earbuds.
- Portable Design: Compact and airplane-friendly (72Wh).

3. Setup
3.1 Initial Charging of the Power Bank
Before first use, fully charge your UGREEN Nexode Power Bank. This ensures optimal battery performance.
- Connect a compatible USB-C charger (65W or higher recommended, not included) to the power bank's USB-C input port.
- The LED display will show the charging progress.
- Charging is complete when the LED display shows 100%. A full charge takes approximately 2 hours with a 65W+ charger.

4. Operating Instructions
4.1 Charging Your Devices
The power bank can charge various devices, including smartphones, tablets, and laptops.
- Using the Integrated USB-C Cable: Pull out the integrated USB-C cable and connect it to your device's USB-C port.
- Using the USB-C Port: Connect your device to the power bank's USB-C port using a compatible USB-C to USB-C cable (not included).
- Using the USB-A Port: Connect your device to the power bank's USB-A port using a compatible USB-A to device-specific cable (not included).
- The power bank will automatically begin charging your device. The LED display will show the remaining battery level.


4.2 Low Current Mode
For charging low-power devices such as Bluetooth earbuds, smartwatches, or fitness trackers, activate the low current mode to prevent overcharging and ensure stable power delivery.
- To activate: Press and hold the power button for 3 seconds. The LED indicator may change to signify low current mode is active.
- To deactivate: Press the power button once, or the mode will automatically turn off after a period of inactivity.
5. Safety Information
The UGREEN Nexode Power Bank is equipped with multiple safety features to protect both the device and your connected electronics.
- Over-Voltage Protection: Prevents damage from excessive voltage input.
- Over-Current Protection: Safeguards against excessive current flow.
- Over-Charge Protection: Stops charging once the battery is full to prevent overcharging.
- Over-Discharge Protection: Prevents the battery from being fully depleted, extending its lifespan.
- Over-Temperature Protection: Monitors and regulates internal temperature to prevent overheating.
- Short-Circuit Protection: Automatically cuts power in case of a short circuit.

5.1 Airplane Travel Compatibility
The UGREEN Nexode 67W 20000mAh Power Bank has a capacity of 72Wh, which complies with most airline regulations for carry-on luggage. Always check with your specific airline before traveling.

6. Maintenance
- Keep the power bank away from water, fire, and extreme temperatures.
- Avoid dropping or subjecting the device to strong impacts.
- Clean the device with a dry, soft cloth. Do not use corrosive cleaners.
- Store in a cool, dry place when not in use for extended periods.
- Recharge the power bank at least once every three months to maintain battery health.
7. Troubleshooting
7.1 Device Not Charging
- Ensure the power bank has sufficient charge.
- Check if the charging cable is securely connected to both the power bank and the device.
- Try a different charging cable or port.
- Verify that your device is compatible with the power bank's output specifications.
7.2 Power Bank Not Recharging
- Ensure the charging adapter is properly connected to a power outlet.
- Use a compatible USB-C charging cable and a power adapter with sufficient wattage (65W+ recommended).
- Try a different wall adapter or outlet.
7.3 Slow Charging
- Ensure your device supports fast charging protocols (PD, QC, etc.) and that you are using a compatible cable.
- If multiple devices are connected, the total output power is shared, which may reduce individual charging speeds.
- Check if low current mode is accidentally activated.
8. Specifications
| Model Number | PB550 |
| Battery Capacity | 20000mAh (72Wh) |
| Max Output Power | 67W |
| Input (USB-C) | PD 65W (Max) |
| Output (Integrated USB-C Cable) | PD 67W (Max) |
| Output (USB-C Port) | PD 67W (Max) |
| Output (USB-A Port) | 33W (Max) |
| Total Output (Multiple Ports) | 65W (Max) |
| Dimensions (L x W x H) | 13.9 x 8.0 x 2.7 cm |
| Weight | 393 grams |
| Manufacturer | Ugreen Group Limited |
| Country of Origin | China |
8.1 Compatibility
Supports various fast charging protocols including Xiaomi 67W, Galaxy 45W, PD 65W, QC4.0, SCP, UFCS. Compatible with:
- Xiaomi Poco M8/M7/M6 series, Redmi Note 15/14/13/12 series
- iPhone 17/16/15/14/13 series
- Galaxy S25/S24/A56/A16 series, Galaxy Tab S11/S10
- Pixel 10/9/8 series
- MacBook Pro/Air, iPad Pro/Air/Mini
- AirPods, iWatch, and other low-power devices (via low current mode)

9. Warranty and Support
This UGREEN product comes with a 24-month warranty from the date of purchase. For technical support, warranty claims, or any product-related inquiries, please contact UGREEN customer service through their official website or the retailer where the product was purchased.
Please retain your proof of purchase for warranty service.





