VANYUST Portable Charger S2121 User Manual

1. Introduction

Thank you for choosing the VANYUST Portable Charger S2121. This 10000mAh power bank features 22.5W fast charging capabilities and a versatile USB-C input/output port, designed to keep your devices powered on the go. This manual provides essential information for safe and efficient use of your portable charger.

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 high humidity.
• Avoid dropping, disassembling, or attempting to repair the device yourself. This may void the warranty and pose safety risks.
• Keep the power bank away from water and other liquids.
• Use only certified charging cables and adapters.
• The device is equipped with an intelligent chip providing multiple protection mechanisms against overcharging, overvoltage, overheating, and short circuits.

Image: The VANYUST Portable Charger is designed with multiple safety features, including protection against overcharging, overvoltage, overheating, and short circuits, ensuring reliable and secure power delivery.

3. Package Contents

Please check the package for the following items:

• VANYUST Portable Charger S2121
• USB-C Charging Cable
• User Manual

4. Product Overview

The VANYUST S2121 Portable Charger is a compact and lightweight power solution. It features a clear LED display to show the remaining battery percentage and multiple ports for charging various devices.

Image: The VANYUST Portable Charger S2121 in black, showcasing its sleek design and integrated LED battery display.

Ports and Indicators:

• USB-C Port: Functions as both input for charging the power bank and output for charging devices.
• USB-A Ports: Additional output ports for charging devices.
• LED Display: Shows the current battery percentage of the power bank.

Image: A visual representation of the USB-C port on the VANYUST Portable Charger, highlighting its dual functionality for both input (charging the power bank) and output (charging devices).

5. Setup

Initial Charging of the Power Bank:

1. Before first use, fully charge your VANYUST Portable Charger.
2. Connect the provided USB-C charging cable to the power bank's USB-C port.
3. Connect the other end of the cable to a compatible USB wall adapter (not included) or a computer's USB port.
4. The LED display will show the charging progress. Charging may take some time to reach 100%.

6. Operating Instructions

Charging Your Devices:

1. Connect your device's charging cable to one of the output ports (USB-C or USB-A) on the VANYUST Portable Charger.
2. Connect the other end of the cable to your device.
3. The power bank will automatically begin charging your device. The LED display will show the remaining battery level.
4. The 22.5W fast charging technology allows for quicker charging times compared to standard chargers.

Image: The VANYUST Portable Charger demonstrating its 22.5W fast charging capability, rapidly powering a smartphone.

Checking Battery Level:

The integrated LED display shows the precise percentage of remaining battery power. This allows you to monitor the power bank's charge status at any time.

Image: A user charging multiple devices, including a tablet and smartphone, with the VANYUST 10000mAh portable charger, highlighting its capacity and the visible LED display.

Charging Multiple Devices:

The VANYUST S2121 can charge up to three devices simultaneously using its multiple output ports.

Image: The VANYUST Portable Charger actively charging three devices concurrently: a tablet, a smartphone, and wireless earbuds, demonstrating its multi-device charging capability.

7. 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 extended periods, charge the power bank to approximately 50% every three months to maintain battery health.
• Handling: Avoid physical shocks or drops, as these can damage internal components.

8. Troubleshooting

Power Bank Not Charging:

• Ensure the USB-C cable is securely connected to both the power bank and the wall adapter.
• Try a different USB-C cable or wall adapter to rule out faulty accessories.
• Verify that the wall outlet is functioning correctly.

Device Not Charging from Power Bank:

• Check if the power bank has sufficient charge indicated by the LED display.
• Ensure the charging cable connecting your device to the power bank is functional and properly connected.
• Try a different output port on the power bank.
• Some devices may require specific charging protocols; ensure compatibility.

Slow Charging:

• Ensure you are using a fast-charging compatible cable and your device supports fast charging.
• Charging multiple devices simultaneously may reduce the charging speed for individual devices.
• High ambient temperatures can affect charging efficiency.

9. Specifications

10. Warranty and Support

For warranty information and customer support, please refer to the documentation included with your purchase or visit the official VANYUST website. If you encounter any issues not covered in this manual, please contact VANYUST customer service for assistance.

Manufacturer: Shenzhen Vanyust Technology Limited