Charmast 20000mAh 20W Portable Charger (Model C2046S) Instruction Manual

1. Introduction

This instruction manual provides comprehensive guidance for the safe and efficient use of your Charmast 20000mAh 20W Portable Charger, Model C2046S. Please read this manual thoroughly before operating the device and retain it for future reference.

The Charmast portable charger is designed to provide convenient power on the go, featuring built-in charging cables and an integrated wall plug for versatile recharging and device charging.

2. What's in the Box

• Charmast Portable Charger (Model C2046S)
• Mesh Pouch
• Instruction Manual

3. Product Features

The Charmast portable charger offers a range of features for efficient and convenient power delivery:

• High Capacity: 20000mAh battery for extended use.
• Fast Charging: Supports 20W Power Delivery (PD) and 18W Quick Charge (QC 3.0) for rapid device charging.
• Built-in Cables: Integrated cables for various devices, eliminating the need for external cables.
• Integrated Wall Plug: Direct wall charging capability for convenient recharging of the power bank.
• Digital Display: LED screen indicates remaining battery percentage.
• Compact Design: Slim profile and comfortable grip for portability.
• Multiple Safety Protections: Includes over-discharge, short-circuit, over-current, and over-voltage protection.

4. Setup

4.1 Initial Charging of the Power Bank

Before first use, fully charge the portable charger. This ensures optimal battery performance.

1. Using the Built-in Wall Plug: Fold out the integrated AC wall plug. Insert the charger directly into a standard wall outlet. The digital display will show the charging progress.
2. Using the USB-C Input Port: Alternatively, connect a USB-C cable (not included) to the charger's USB-C input port and a compatible USB wall adapter (9V-2A recommended, not included).

The digital display will show '100%' when fully charged.

5. Operating Instructions

5.1 Charging Your Devices

The portable charger can charge multiple devices simultaneously using its various outputs.

1. Using Built-in Cables: Extend the appropriate built-in cable (USB-C or Lightning) and connect it to your device's charging port.
2. Using USB-A Output Port: For devices requiring a standard USB-A connection, use your own USB cable and plug it into the USB-A output port on the charger.

The digital display will illuminate, showing the remaining battery percentage of the power bank. Disconnect your device once it is fully charged or when you no longer require charging.

5.2 Fast Charging Capability

This charger supports 20W Power Delivery (PD) and 18W Quick Charge (QC 3.0) for compatible devices. This allows for significantly faster charging times compared to standard chargers.

6. Safety Information

Your Charmast portable charger is equipped with multiple safety features to protect both the device and your connected electronics:

• Over-Discharge Protection: Prevents the battery from being excessively discharged.
• Short-Circuit Protection: Automatically cuts power in case of a short circuit.
• Over-Current Protection: Safeguards against excessive current flow.
• Over-Voltage Protection: Protects against voltage surges.

Important Safety Precautions:

• Do not expose the device to extreme temperatures, direct sunlight, or water.
• Do not disassemble, modify, or attempt to repair the device.
• Keep out of reach of children.
• Avoid dropping or subjecting the device to strong impacts.
• Dispose of the device according to local regulations for electronic waste.

7. Specifications

8. Maintenance

Proper maintenance ensures the longevity and performance of your portable charger:

• Cleaning: Use a soft, dry cloth to clean the exterior of the charger. Do not use liquid cleaners or aerosols.
• Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge the device to approximately 50-70% every three months to maintain battery health.
• Handling: Avoid bending or stressing the built-in cables excessively to prevent damage.

9. Troubleshooting

If you encounter issues with your Charmast portable charger, refer to the following common problems and solutions:

• Charger not charging devices:
  • Ensure the portable charger itself is sufficiently charged (check the digital display).
  • Verify that the charging cable (built-in or external) is securely connected to both the charger and your device.
  • Try a different cable or device to isolate the issue.
• Charger not recharging:
  • When using the wall plug, ensure it is fully extended and inserted into a live power outlet.
  • When using the USB-C input, ensure the cable and wall adapter are functional and correctly connected.
  • Check if the wall outlet is working by plugging in another device.
• Slow charging:
  • Ensure your device supports fast charging and that you are using a compatible port/cable.
  • Charging multiple devices simultaneously may reduce individual charging speeds.
• Digital display not working:
  • The display should activate when charging or being charged. If it remains off, the unit may be completely discharged or faulty. Attempt to recharge the unit.

If the problem persists after attempting these solutions, please contact Charmast customer service for further assistance.

10. Warranty and Support

Charmast provides a 24-month warranty for this portable charger. We are committed to customer satisfaction and offer 7-day/24-hour friendly customer service.

Should you encounter any issues or have questions regarding your product, please do not hesitate to contact us. We aim to resolve all inquiries within 24 hours.

For support, please refer to the contact information provided on the product packaging or the official Charmast website.