Introduction
Thank you for choosing the Cygnett Boost Power Bank. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
The Cygnett Boost Power Bank is designed to provide portable power for your mobile devices. With its high capacity and multiple charging ports, it ensures your devices remain charged on the go.
Product Features
- High Capacity: Up to 20,000 mAh for extended power.
- Fast Charging: Provides up to 15W of charging output.
- Multiple Ports: Equipped with 1x USB-C and 2x USB-A ports for charging up to 3 devices simultaneously.
- Digital Display: Clear digital display to show remaining battery percentage.
- Portability: Compact design with an integrated lanyard for easy carrying.
Package Contents
Please ensure all items are present:
- Cygnett Boost Power Bank (20,000 mAh, White)
- Charging Cable (USB-A to USB-C)
- User Manual
Setup
Initial Charging of the Power Bank
Before first use, it is recommended to fully charge your Cygnett Boost Power Bank. This ensures optimal performance and battery longevity.
- Connect the provided USB-A to USB-C charging cable to the USB-C (in/out) port on the power bank.
- Connect the other end of the cable (USB-A) to a compatible USB wall adapter (not included) or a computer's USB port.
- The digital display on the power bank will illuminate, showing the current charge percentage. It will continue to increase until it reaches 100%, indicating a full charge.

Image: Top view of the Cygnett Boost Power Bank, highlighting the USB-A and USB-C ports, and the integrated lanyard. The digital display is visible.
Operating Instructions
Charging Your Devices
The Cygnett Boost Power Bank can charge up to three devices simultaneously using its USB-C and two USB-A ports.
- Identify the correct charging cable for your device.
- Connect one end of your device's charging cable to the appropriate port (USB-C or USB-A) on the power bank.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. The digital display will show the remaining battery percentage of the power bank.
Note: For optimal charging speed, use the original charging cable that came with your device or a certified high-quality cable.
Understanding the Digital Display
The integrated digital display provides real-time information about the power bank's battery status.

Image: Front view of the Cygnett Boost Power Bank, clearly showing the digital display indicating "100%" charge.
- The number displayed represents the percentage of charge remaining in the power bank (e.g., "100%" means fully charged).
- The display will activate when a device is connected for charging or when the power bank itself is being charged.
Maintenance and Care
- Keep the power bank dry. Do not expose it to moisture or liquids.
- Clean the power bank with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the power bank to strong impacts.
- If the power bank will not be used for an extended period, charge it to approximately 50-70% every three months to maintain battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Cable not connected properly; faulty cable/adapter; power bank battery depleted. | Ensure cables are securely connected. Try a different cable or wall adapter. Allow power bank to charge for a few minutes to see if display activates. |
| Device not charging from power bank | Power bank battery depleted; faulty cable; device not compatible; power bank in standby. | Check power bank's charge level. Try a different charging cable. Ensure your device is compatible with USB charging. Disconnect and reconnect the device. |
| Digital display not working | Power bank battery depleted; internal fault. | Charge the power bank. If the issue persists after charging, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | CY4752PBCHE |
| Capacity | 20,000 mAh |
| Color | White |
| Product Dimensions (L x W x H) | 10 x 5 x 3 cm |
| Item Weight | 100 g |
| Input Ports | 1x USB-C (in/out) |
| Output Ports | 1x USB-C (in/out), 2x USB-A |
| Max Output Power | 15W |
| Special Features | Digital Display, Fast Charging |
| Material | Polycarbonate |
Safety Information
Please observe the following safety precautions to prevent damage to the power bank or injury to yourself:
- Do not disassemble, open, or shred the power bank.
- Do not expose the power bank to heat or fire. Avoid storage in direct sunlight.
- Do not short-circuit the power bank.
- Do not expose the power bank to mechanical shock.
- In the event of a leak, do not allow the liquid to come into contact with the skin or eyes. If contact has occurred, wash the affected area with copious amounts of water and seek medical advice.
- Keep the power bank out of reach of children.
- Do not use the power bank if it has been damaged or modified.
- Dispose of the power bank in accordance with local regulations. Do not dispose of it with household waste.
Warranty and Support
Cygnett products are designed and manufactured to the highest standards. For warranty information or technical support, please refer to the official Cygnett website or contact their customer service directly.
For further assistance, you may visit the Cygnett Store on Amazon.





