1. Product Overview
The VIYISI Slim Portable Charger Power Bank is designed for convenient and fast charging on the go. Its compact size and built-in USB-C cable make it an ideal travel companion, ensuring your devices stay powered throughout your day.

Image: The VIYISI Slim Portable Charger Power Bank held in a hand, showcasing its compact size.
Key Features:
- Ultra Thin & Portable: Measuring just 4.57 x 2.77 x 0.58 inches and weighing only 5.9 oz, this slim portable charger easily fits in your pocket or bag, perfect for travel, business trips, or everyday use.
- Built-in USB C Cable: Designed specifically for USB C devices, this small power bank is perfectly compatible with iPhone 16/15 series, Samsung Galaxy, Google Pixel, and other Type C devices, always ready without a separate cable.
- Fast Charging Up to 22.5W: Rapidly charge your devices with compatibility for most fast charging protocols. The LED display shows real-time battery status, so you always know how much power is left.
- Reliable All Day Power Bank: With a powerful 10,000mAh capacity, this compact portable charger provides 1.8 charges for the iPhone 15 and 1.5 charges for the Samsung S24. It's the ideal backup battery pack for busy days on the move.
- Functional and Stylish: This portable phone charger combines practicality with a sleek design, available in a variety of stylish colors.
2. What's in the Box
Your VIYISI Slim Portable Charger package includes the following items:
- Slim Power Bank 10000mAh (Blue) x1
- Travel Pouch x1
- USB A to USB C cable x1
- User Manual x1

Image: The VIYISI Power Bank, travel pouch, USB-A to USB-C cable, and user manual laid out.
Video: A quick unboxing video showing the contents of the VIYISI Power Bank package.
3. Setup
Charging the Power Bank
Before first use, it is recommended to fully charge your VIYISI Power Bank. This ensures optimal battery performance.
- Connect the built-in USB-C cable from the power bank to a compatible USB power adapter (not included) or a computer's USB port.
- Alternatively, use the provided USB-A to USB-C cable to connect the power bank's USB-C input port to a USB power adapter.
- The digital LED display will show the charging progress. Once it reaches 100%, the power bank is fully charged and ready for use.

Image: The VIYISI Power Bank connected to a charging cable, indicating it is being recharged.
4. Operating Instructions
Charging Your Devices
The VIYISI Power Bank offers versatile charging options for various devices.
- Using the Built-in USB-C Cable: Extend the built-in USB-C cable and plug it directly into your compatible USB-C device (e.g., iPhone 15 series, Samsung Galaxy, Google Pixel).
- Using Other Ports: For devices requiring a different connection, use your own USB-A to USB-C cable or a USB-C to USB-C cable and connect it to the corresponding output port on the power bank.
- Charging will automatically begin once a device is connected. The power bank's LED display will show its remaining charge.

Image: A smartphone being charged by the VIYISI Power Bank using its built-in USB-C cable.
Checking Battery Level
To check the remaining battery level of your power bank:
- Simply press the power button located on the side of the power bank.
- The digital LED display will illuminate, showing the exact percentage of remaining power.

Image: A close-up view of the VIYISI Power Bank's LED digital display, indicating the battery percentage.
Video: A demonstration of the VIYISI Slim Power Bank's features, including its built-in cable and digital display.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your power bank.
- Cleaning: Use a dry, soft cloth to clean the surface of the power bank. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Battery Care: If the power bank is not used for an extended period, recharge it at least once every three months to maintain battery health.
- Avoid Physical Damage: Do not drop, crush, or expose the power bank to strong impacts.
6. Troubleshooting
If you encounter any issues with your VIYISI Power Bank, please refer to the following common solutions:
- Power Bank Not Charging:
- Ensure the charging cable is securely connected to both the power bank and the power source.
- Verify that the power adapter and wall outlet are functioning correctly.
- Try using a different charging cable or power adapter.
- Device Not Charging from Power Bank:
- Check if the power bank has sufficient charge by pressing the power button.
- Ensure the charging cable connecting your device to the power bank is not damaged and is securely connected.
- Try using a different output port on the power bank.
- Confirm your device is compatible with the power bank's output specifications.
- Slow Charging:
- Ensure both the power bank and your device support fast charging protocols.
- Use a high-quality, fast-charging compatible cable.
- Avoid using your device extensively while it is charging, as this can slow down the charging process.
If the issue persists after trying these steps, please contact customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | G1189 |
| Battery Capacity | 10000 Milliamp Hours |
| Product Dimensions | 4.57 x 2.78 x 0.59 inches |
| Item Weight | 5.9 ounces |
| Special Features | Built-in USB-C Cable, Digital Display, Fast Charging, Thin and Lightweight, Ultra-Compact |
| Connector Type | USB Type A, USB Type C |
| Manufacturer | Dongguan Utopia-Originality Technology Co.,Ltd |
| Date First Available | August 30, 2024 |
8. Warranty & Support
Your VIYISI Slim Portable Charger Power Bank is backed by a commitment to quality and customer satisfaction.
- Verified by Transparency: Each item has a unique code that we verify before shipping, ensuring authenticity.
- For any product inquiries, technical support, or warranty claims, please visit the official VIYISI Store on Amazon.
Visit the VIYISI Store for more information and support.