VANYUST 10000mAh Portable Charger (Model S2121) User Manual

1. Product Overview

The VANYUST 10000mAh Portable Charger, Model S2121, is a compact and efficient power bank designed to provide fast charging for a wide range of devices. Its slim profile and versatile charging options make it an ideal companion for on-the-go power needs.

Image 1: VANYUST 10000mAh Portable Charger, Model S2121, shown with included USB-A to USB-C cable.

Key Features:

• 3A Fast Charging: Delivers 3A charging speed, significantly faster than standard 2.1A power banks.
• USB-C In & Out: Features a versatile USB-C port for both recharging the power bank and charging compatible devices.
• Wide Device Compatibility: Compatible with various smartphones (iPhone, Android), tablets (iPad), and other USB-powered devices.
• Ultra-Slim Design: Measures just 0.5 inches thick, offering a powerful 10000mAh capacity in a highly portable form factor.
• Multiple Safety Protections: Incorporates graphene cooling technology and durable housing for enhanced safety and longevity.

2. Package Contents

Please check the package for the following items:

• 1 x VANYUST 10000mAh Power Bank (Model S2121)
• 1 x USB-A to USB-C Charging Cable (for recharging the power bank)
• 1 x User Manual

3. Setup and Initial Use

3.1 Charging the Power Bank

Before first use, fully charge your VANYUST power bank. This ensures optimal performance and battery longevity.

1. Connect the provided USB-A to USB-C cable to the USB-C port on the power bank.
2. Plug the USB-A end of the cable into a compatible USB wall adapter (not included) or a computer's USB port.
3. The LED display on the power bank will show the charging progress. It is fully charged when the display shows 100%.

Image 2: Close-up view of the VANYUST power bank's ports, highlighting the USB-C input/output and dual USB-A outputs.

Note: Charging time may vary depending on the power source. For fastest charging, use a 5V/3A compatible wall adapter.

4. Operating Instructions

4.1 Charging Your Devices

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

1. Connect your device's charging cable to one of the available output ports on the power bank (USB-A or USB-C).
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 percentage of the power bank.
4. To stop charging, simply disconnect your device from the power bank.

Image 3: The VANYUST power bank connected to and charging multiple devices, demonstrating its multi-port capability.

4.2 Checking Battery Level

Press the power button on the side of the power bank once to activate the LED display. The display will show the current battery percentage, indicating the remaining charge.

Image 4: The VANYUST power bank's LED display showing the remaining battery percentage.

5. Maintenance and Care

• Keep the power bank away from extreme temperatures, direct sunlight, and liquids.
• Avoid dropping or subjecting the power bank to strong impacts.
• Clean the device with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
• Store the power bank in a cool, dry place when not in use. For long-term storage, ensure it is charged to approximately 50-70% to preserve battery health.
• Do not attempt to disassemble or modify the power bank. This will void the warranty and may cause damage or injury.

6. Troubleshooting

6.1 Power Bank Not Charging

• Ensure the charging cable is securely connected to both the power bank and the power source.
• Verify that the wall adapter or USB port is functional. Try a different adapter or port.
• Use the original USB-A to USB-C cable provided with the power bank.

6.2 Device Not Charging from Power Bank

• Check if the power bank has sufficient charge. Press the power button to view the battery level.
• Ensure your device's charging cable is properly connected to both the power bank and your device.
• Try using a different charging cable or a different output port on the power bank.
• Some devices may require a specific charging protocol. If your device is not charging, consult its manual.

6.3 Slow Charging

• Ensure you are using a fast-charging compatible cable and device.
• Verify that the power bank itself is sufficiently charged.
• If charging multiple devices, the total output current is shared, which may result in slower charging for individual devices.

7. Specifications

8. Warranty and Support

8.1 Warranty Information

The VANYUST 10000mAh Portable Charger comes with a 24-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures the product meets its specified performance standards under normal use.

Please retain your proof of purchase for warranty claims.

8.2 Customer Support

For any questions, concerns, or technical assistance regarding your VANYUST portable charger, please contact our customer support team. We aim to address your inquiries within 24 hours.

Contact information can typically be found on the product packaging or the official VANYUST website.

9. Official Product Videos

Below are official product videos from the seller, demonstrating features and usage of the VANYUST portable charger.