Introduction
Thank you for choosing the Gembird Powerbank 10,000 mAh. This portable power bank is designed to provide reliable and convenient charging for your mobile devices on the go. With its high capacity and dual USB outputs, you can charge multiple devices or recharge a single device multiple times. Please read this manual carefully before using the product to ensure safe and optimal performance.
Safety Information
- Do not expose the power bank to extreme temperatures (above 45°C or below -10°C), direct sunlight, or fire.
- Do not immerse the power bank in water or expose it to rain or moisture.
- Do not disassemble, modify, or attempt to repair the power bank yourself. This will void the warranty and may cause damage or injury.
- Keep the power bank away from children.
- Use only certified charging cables and adapters.
- Avoid dropping or subjecting the power bank to strong impacts.
- Dispose of the power bank responsibly according to local regulations. Do not dispose of it with household waste.
Package Contents
Please check the package for the following items:
- Gembird Powerbank 10,000 mAh
- User Manual (this document)
- Note: Charging cable may or may not be included depending on the specific retail package.

Image: The Gembird Powerbank 10,000 mAh shown in its retail packaging, highlighting its features and design.
Product Overview
Familiarize yourself with the components of your Gembird Powerbank.

Image: Front view of the Gembird Powerbank, showcasing its sleek black design and textured surface.

Image: Angled view of the Gembird Powerbank, highlighting the two USB-A output ports on one end.

Image: Side view of the Gembird Powerbank, showing the Micro USB and USB Type-C input ports for charging the power bank itself.
Key Components:
- USB-A Output Ports (x2): Used to charge external devices.
- Micro USB Input Port: Used to charge the power bank.
- USB Type-C Input Port: Used to charge the power bank.
- LED Indicators: Show the remaining battery level of the power bank.
- Power Button: Activates the power bank and checks battery level.
Setup
Before first use, it is recommended to fully charge your Gembird Powerbank.
- Charging the Power Bank:
- Connect a compatible USB charging cable (Micro USB or USB Type-C) to one of the input ports on the power bank.
- Connect the other end of the cable to a USB wall adapter (not included), computer USB port, or other compatible USB power source.
- The LED indicators will illuminate to show the charging progress. All LEDs will be solid when fully charged.
- Checking Battery Level:
- Press the power button once. The LED indicators will light up to show the current battery level.
Operating
Charging Your Devices:
- Ensure the power bank is sufficiently charged.
- Connect your device's charging cable to one of the USB-A output ports on the power bank.
- Connect the other end of the cable to your device.
- The power bank should automatically begin charging your device. If not, press the power button once to initiate charging.
- The LED indicators on the power bank will show its remaining battery level during charging.
- Disconnect your device once it is fully charged or when you no longer need to charge it.
Note: The power bank can charge two devices simultaneously using both USB-A output ports.
Maintenance
- Cleaning: Use a soft, dry cloth to wipe the surface of the power bank. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. If storing for a long period, charge the power bank to about 50-70% capacity every 3-6 months to maintain battery health.
- Avoid Over-Discharging: Do not allow the power bank to completely drain its battery frequently, as this can reduce its lifespan.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging. | Cable is faulty or not properly connected. Power source is insufficient. | Try a different charging cable. Ensure the cable is securely connected. Use a reliable USB wall adapter. |
| Device not charging from power bank. | Power bank battery is low. Device cable is faulty. Power bank is not activated. | Recharge the power bank. Try a different device charging cable. Press the power button on the power bank. |
| Slow charging. | Cable is not suitable. Device requires higher input. | Use a high-quality charging cable. Ensure your device is compatible with the power bank's output. |
| LED indicators not working. | Power bank is completely discharged. Faulty unit. | Charge the power bank for an extended period. If problem persists, contact customer support. |
Specifications

Image: The Gembird Powerbank with its approximate dimensions: 14cm length, 6.8cm width, and 1.6cm thickness.
| Model | PB10-02 |
| Battery Type | Li-polymer |
| Capacity | 10,000 mAh |
| Input (Micro USB) | 5V DC, 2A (Max) |
| Input (USB Type-C) | 5V DC, 2A (Max) |
| Output (USB-A x2) | 5V DC, 2.1A (Max total) |
| Dimensions | Approximately 14 cm x 6.8 cm x 1.6 cm |
| Weight | Approximately 200 g |
| Color | Black |
Warranty and Support
Gembird products are manufactured to the highest quality standards. For information regarding warranty terms and conditions, please refer to the warranty card included with your product or visit the official Gembird website. If you encounter any issues or have questions not covered in this manual, please contact Gembird customer support through their official channels.
For the most up-to-date support information, please visit: www.gembird.com





