Charmast 10000mAh Portable Charger User Manual

1. Introduction

Thank you for choosing the Charmast 10000mAh Portable Charger. This device is designed to provide convenient and versatile power on the go, featuring built-in charging cables and an integrated wall plug for ultimate portability. Please read this manual carefully to ensure proper use and maintenance of your portable charger.

2. What's in the Box

• Charmast 10000mAh Portable Charger with Built-in Cables (x1)
• Mesh Pouch (x1)
• User Manual (x1)

3. Product Overview

Familiarize yourself with the components of your Charmast portable charger:

Image: Front and back view of the Charmast portable charger, highlighting the integrated cables and foldable wall plug.

Image: Diagram illustrating the 6-in-1 functionality, including AC Wall Plug, USB A Port, USB C Port, USB C Cable, Micro Cable, and Cable for iPhone.

• Built-in Cables: Includes USB-C, Micro-USB, and a cable for iPhone, neatly integrated into the device.
• Foldable Wall Plug: Allows direct charging of the power bank from an AC outlet.
• USB-A Output Port: For charging devices using your own USB-A cable.
• USB-C Input/Output Port: For charging devices or recharging the power bank.
• LCD Display: Shows the remaining battery percentage.

4. Setup

4.1 Initial Charging of the Power Bank

Before first use, fully charge your Charmast portable charger.

1. Using the Built-in Wall Plug: Fold out the integrated AC wall plug and insert it directly into a standard wall outlet. The LCD display will show the charging progress.
2. Using a 5V-2.6A Charger (USB-C Port): Connect a USB-C cable to the power bank's USB-C port and the other end to a compatible 5V-2.6A wall charger.

Image: Demonstrates recharging the power bank using its built-in wall plug or via a 5V-2.6A charger connected to the USB-C port.

The LCD display will show '100' when fully charged.

5. Operating Instructions

5.1 Charging Your Devices

The Charmast portable charger offers multiple ways to charge your electronic devices:

• Using Built-in Cables: Select the appropriate built-in cable (USB-C, Micro-USB, or for iPhone) and connect it directly to your device.
• Using USB-A Output Port: Connect your device's charging cable (USB-A end) to the USB-A output port on the power bank, and the other end to your device.
• Using USB-C Output Port: Connect your device's USB-C charging cable to the USB-C port on the power bank, and the other end to your device.

5.2 Pass-Through Charging

The power bank supports pass-through charging, allowing you to charge your phone and the power bank simultaneously. Simply plug the power bank into a wall outlet (using its built-in plug or USB-C port) and connect your device to the power bank. Note that the maximum output will be 1A under this function.

Image: The portable charger plugged into a wall outlet while simultaneously charging a smartphone, demonstrating pass-through charging.

6. Key Features

• Seven-in-One Design: Features built-in USB-C, Micro-USB, and iPhone cables, along with additional USB-A and USB-C ports, providing comprehensive compatibility for various devices.
• Integrated Wall Plug: Eliminates the need for extra wall adapters, making recharging the power bank simple and convenient.
• 10000mAh Capacity: Provides ample power to charge smartphones multiple times, ensuring your devices stay powered throughout the day. For example, it can provide approximately 1.6 charges for an iPhone 13 or 1 full charge for a Samsung S22 Ultra.
• Slim and Compact: Weighing approximately 8 ounces and measuring 5.95" x 2.76" x 0.72", its design is ideal for portability and fits comfortably in a pocket or bag.


Image: The portable charger displayed next to a smartphone, illustrating its compact size and dimensions.

• LCD Digital Display: Provides a clear, real-time indication of the remaining battery percentage.
• Travel-Friendly: Its compact design and integrated features make it an ideal travel companion, reducing cable clutter. It is generally allowed in carry-on bags for air travel.


Image: A visual comparison showing how the Charmast charger simplifies packing by eliminating the need for multiple cables and wall adapters.



Image: Illustration confirming the portable charger is suitable for carry-on bags during air travel, but not for checked bags.

• Multiple Safety Protections: Equipped with safeguards against over-discharge, short-circuit, over-current, and over-voltage to ensure safe charging for both the power bank and your devices.


Image: An internal diagram highlighting the multiple safety protection circuits, including over-discharge, short-circuit, over-current, and over-voltage protection.

7. Maintenance

• Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
• Avoid dropping or subjecting the device to strong impacts.
• Do not disassemble or attempt to repair the power bank yourself.
• Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
• For optimal battery life, fully charge the power bank at least once every three months if not in regular use.

8. Troubleshooting

• Device not charging:
  • Ensure the power bank has sufficient charge (check LCD display).
  • Verify that the charging cable is securely connected to both the power bank and your device.
  • Try a different built-in cable or an external cable with the USB-A/USB-C port.
  • Ensure your device is compatible with the power bank's output specifications.
• Power bank not recharging:
  • Ensure the wall plug is fully inserted into a working outlet.
  • If using the USB-C port for recharging, ensure the cable and wall adapter are functional and correctly connected.
  • Try a different wall outlet.
• LCD display not working:
  • Press the power button briefly to activate the display.
  • If the issue persists, the unit may require service.

If you encounter issues not covered here, please contact customer service.

9. Specifications

10. Warranty and Support

Charmast provides 24-month support for this product. If you have any problems or questions, please contact our friendly customer service team, available 7 days a week, 24 hours a day. We are committed to resolving your concerns within 24 hours.

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