M320 Portable Power Bank User Manual

1. Introduction

The ChargeTech M320 Portable Power Bank is a high-capacity, versatile charging solution designed to keep your electronic devices powered on the go. With a 20,000mAh capacity and multiple output options, including 100W Type-C, 120W DC, and 18W USB-A, it supports simultaneous charging of various devices such as laptops, tablets, and smartphones. Its translucent display provides real-time power status and charging information, enhancing user convenience. The adjustable DC voltage feature further expands its compatibility with a wide range of devices.

2. Product Features

• High Capacity: 20,000mAh battery for extended power.
• Multiple Output Ports: Includes 100W Type-C, 120W DC, and 18W USB-A for diverse charging needs.
• Simultaneous Charging: Capable of charging multiple devices concurrently.
• Adjustable DC Voltage: Built-in voltage control system allows DC output adjustment up to 12V.
• Translucent Display: Provides real-time power status and charging information.
• Comprehensive Kit: Comes with PD100W charging cable, DC charging cable with connectors, and a 12V DC car charger adapter.

3. Package Contents

Please check the package contents upon unboxing:

• M320 Portable Power Bank
• PD100W USB-C to USB-C Charging Cable
• DC Charging Cable with Multi-tip Connectors
• 12V DC Car Charger Adapter
• User Manual (this document)

Image: The M320 Power Bank shown alongside its included accessories, which consist of a USB-C cable, a DC charging cable with various tips, and a 12V car charger adapter.

4. Product Overview

Image: An angled view of the M320 Portable Power Bank, highlighting its translucent display which shows battery level, voltage, and current information.

Image: A close-up top view of the M320 Power Bank, clearly showing the power button, USB-A output port, PD100W USB-C input/output port, and DC120W input/output port with voltage adjustment buttons.

The M320 Power Bank features a sleek design with a translucent panel that displays essential information. The top edge houses all connectivity ports and control buttons.

• Power Button: Press to turn on/off the device and check battery status.
• USB-A Output: Standard USB port for charging compatible devices (18W max).
• PD100W Type-C Port: Bi-directional port for charging the power bank or outputting power to devices (up to 100W).
• DC120W Port: Bi-directional DC port for high-power input/output (up to 120W).
• Voltage Adjustment Buttons: Used to adjust the DC output voltage.

5. Setup

5.1 Initial Charge

Before first use, fully charge your M320 Power Bank. This ensures optimal battery performance and longevity.

1. Connect the provided PD100W USB-C cable to the Type-C port on the power bank.
2. Connect the other end of the USB-C cable to a compatible USB-C power adapter (not included) with a minimum output of 45W for efficient charging.
3. The translucent display will show charging status and battery percentage. The power bank is fully charged when the display indicates 100%.

Alternatively, you can charge via the DC port using the provided DC charging cable and a compatible DC power adapter (not included) or the 12V DC car charger.

5.2 Understanding the Display

The translucent display provides real-time information:

• Battery Icon/Percentage: Indicates the remaining battery level.
• Voltage (V): Shows the current output voltage (especially for DC output).
• Current (A): Displays the current output amperage.
• Power (W): Shows the real-time power output in watts.

6. Operating Instructions

6.1 Charging Devices

The M320 Power Bank supports charging via USB-A, Type-C, and DC ports simultaneously.

1. Turn On: Press the power button once to activate the power bank. The display will light up.
2. Connect Device:
   • For USB-A devices: Connect your device's USB-A cable to the USB-A output port.
   • For Type-C devices: Connect your device's USB-C cable to the PD100W Type-C port.
   • For DC devices: Connect the DC charging cable with the appropriate tip to your device, then plug the other end into the DC120W port on the power bank. Ensure the correct voltage is selected (see 6.2).
3. Verify Charging: The power bank's display will show the output voltage, current, and power, confirming that charging has begun. Your device should also indicate that it is charging.
4. Turn Off: The power bank will automatically turn off after a period of inactivity or when the connected device is fully charged. You can also press and hold the power button to manually turn it off.

6.2 Adjusting DC Output Voltage

The DC output voltage can be adjusted to match the requirements of your specific device (e.g., laptops). Always verify the required voltage for your device before adjusting.

1. Ensure the power bank is on and the DC cable is connected to the power bank (but not necessarily to the device yet).
2. Press the voltage adjustment buttons (+ or -) located next to the DC port to cycle through available voltage options (e.g., 5V, 9V, 12V).
3. Once the desired voltage is displayed, connect the DC cable to your device.
4. The power bank will maintain the selected voltage until manually changed or the unit is powered off.

WARNING: Using an incorrect voltage can damage your device. Always confirm the required voltage for your device before connecting.

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean 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, extreme temperatures, and humidity.
• Battery Care: To prolong battery life, fully charge the power bank at least once every three months if not in regular use. Avoid fully discharging the battery frequently.
• Avoid Drops: Protect the device from drops and impacts, which can damage internal components.

8. Troubleshooting

9. Specifications

10. Safety Information

Please read and follow these safety guidelines to prevent injury or damage to the device:

• 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.
• Do not disassemble, modify, or attempt to repair the device. This will void the warranty and may cause safety hazards.
• Keep away from water and other liquids.
• Do not drop, puncture, or apply excessive force to the power bank.
• Keep out of reach of children.
• Use only original or certified compatible cables and adapters.
• Dispose of the power bank responsibly according to local regulations for electronic waste. Do not dispose of in household trash.

11. Warranty and Support

ChargeTech provides a standard warranty for the M320 Portable Power Bank against defects in materials and workmanship under normal use. The warranty period typically begins from the date of purchase.

For warranty claims, technical support, or any inquiries, please contact ChargeTech customer service through their official website or the retailer where you purchased the product. Please have your proof of purchase and product model number (M320) ready when contacting support.

Visit the official ChargeTech store for more information: ChargeTech Official Store