ROMOSS 45W USB C Power Bank User Manual

Product Overview

The ROMOSS 45W USB C Power Bank is a high-capacity portable charger designed to provide efficient and fast charging for a wide range of devices, including laptops, smartphones, and tablets. Its compact design and multiple output ports make it an ideal companion for travel, work, or daily use.

Image: The ROMOSS 45W USB C Power Bank, showcasing its sleek black design and integrated LED display.

Key Features

• Portable Huge Charging Power: Max 50W USB-C port for full-speed laptop charging, plus 2 USB-A ports for optimized phone/tablet charging. Supports QC3.0, PD 3.0, AFC, FCP protocols.
• 20000mAh Capacity: Provides multiple charges for various devices, suitable for extended use during travel or daily activities.
• Dual Fast Charging with 3-Output: Equipped with PD and QC ports, supporting Type-C two-way fast charging. Charges 3 devices simultaneously.
• Safety & Reliability: Built-in intelligent safety system protects against over-heat, over-charge, over-current, over-discharge, and short-circuit.
• LED Display: Accurate LED power display to check remaining battery percentage.

Package Contents

Verify that all items are present in the package upon unboxing.

Image: The power bank, its external packaging, user manual, and the included 2-in-1 USB charging cable.

• 1 x ROMOSS Power Bank (Model: PPD20)
• 1 x 2-in-1 USB Charging Cable (USB-C to USB-C/USB-A)
• 1 x User Manual

Note: Wall charger is NOT included.

Setup Guide

Initial Charging

Before first use, it is recommended to fully charge your ROMOSS Power Bank. This ensures optimal battery performance and accuracy of the LED display.

1. Connect the included 2-in-1 USB charging cable to the Type-C input/output port on the power bank.
2. Connect the other end of the cable to a compatible 45W (or higher) USB wall charger.
3. The LED display will show the charging progress. A full charge typically takes around 3.5 hours with a 45W wall charger.

Image: The power bank connected to a wall charger via its USB-C port for hyper-fast recharging.

Checking Battery Level

The integrated LED display provides a clear indication of the power bank's remaining battery percentage.

• Briefly press the power button on the side of the power bank.
• The LED screen will illuminate, displaying the current battery percentage.

Image: A close-up view of the power bank's LED display, indicating a 100% charge, along with its Type-C and USB-A output ports.

Operating Instructions

Charging Devices

The power bank features three output ports (one USB-C and two USB-A) allowing for simultaneous charging of multiple devices.

1. Connect your device's charging cable to the appropriate output port on the power bank (USB-C or USB-A).
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. To charge a laptop via the USB-C port, ensure you use a USB-C to USB-C data cable. Original laptop data cables are highly recommended for optimal performance.

Image: The power bank connected and charging three different devices (a tablet, a smartphone, and another smartphone) at the same time.

Image: The power bank connected to and charging a laptop, highlighting its 50W quick charging capability.

Supported Devices

The ROMOSS 45W USB C Power Bank is compatible with a wide range of devices, including but not limited to:

• Samsung: Note 10/Note 10+/Note 20/Note 20 Ultra/S20/S20+/S20 Ultra
• iPhone: iPhone 8-13 series (e.g., iPhone 8/iPhone X/iPhone 11/iPhone 12/iPhone 13)
• iPad: iPad Pro 2017/iPad Pro 2020/iPad Air 2020/iPad 2020
• Switch: Nintendo Switch
• Laptops: MacBook Air/MacBook Pro/Dell XPS 13/HP Spectre x360/Lenovo Thinkpad X1 (and other notebooks supporting PD protocol)

Image: The power bank placed on a laptop, with a detailed list of compatible Samsung, iPhone, iPad, Switch, and laptop models.

Maintenance and Care

Proper care and maintenance will extend the lifespan of your power bank.

• Keep the power bank away from extreme temperatures (hot or cold), direct sunlight, and humid environments.
• Avoid dropping or subjecting the power bank to strong impacts.
• Do not disassemble, modify, or attempt to repair the device yourself.
• Clean the power bank 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 extended periods.

Safety Precautions

The ROMOSS Power Bank is equipped with an intelligent safety system to ensure safe operation. However, always observe the following precautions:

• Do not expose the power bank to water or other liquids.
• Do not use the power bank if it is damaged or appears swollen.
• Keep out of reach of children.
• Dispose of the power bank responsibly according to local regulations for electronic waste.

Image: A cutaway view of the power bank's internal circuitry, illustrating the intelligent chip responsible for safe and efficient charging.

Troubleshooting

Common Issues and Solutions

• Power Bank Not Charging:
  • Ensure the charging cable is securely connected to both the power bank and the wall charger.
  • Verify that the wall charger is functioning correctly and provides sufficient power (preferably 45W PD).
  • Try a different charging cable or wall adapter.
• Devices Not Charging from Power Bank:
  • Check if the power bank has sufficient charge.
  • Ensure the charging cable connecting the device to the power bank is not damaged and is securely connected.
  • Try a different output port on the power bank.
  • Verify that your device's charging port is clean and undamaged.
• Slow Charging:
  • Ensure you are using a fast-charging compatible cable and device.
  • For optimal charging speed, use the USB-C PD port for compatible devices.
  • Charging multiple devices simultaneously may reduce individual charging speeds.
• LED Display Not Working:
  • Press the power button firmly.
  • If the power bank is completely depleted, the display may not light up until it receives some charge.

Specifications

Warranty and Support

ROMOSS products are manufactured to the highest quality standards. For warranty information, technical support, or any product-related inquiries, please refer to the contact details provided on the official ROMOSS website or the warranty card included in your package.

Please retain your proof of purchase for warranty claims.