ROMOSS 40000mAh 65W Portable Laptop Charger User Manual

Introduction

The ROMOSS 40000mAh 65W Portable Laptop Charger is a high-capacity external battery pack designed to keep your devices powered on the go. With its versatile charging options and robust safety features, it provides a reliable power solution for a wide range of electronic devices, from laptops to smartphones.

Key Features

• 65W Fast Charging: Equipped with a 65W USB-C port, compatible with most fast charging protocols, capable of charging laptops rapidly.
• 3 Outputs + 3 Inputs: Features three output ports (USB-C, USB-A *2) and three input ports (Micro, Lightning, USB-C) for versatile charging and recharging.
• Wide Device Compatibility: Supports a broad range of devices including laptops, smartphones, tablets, smartwatches, and more.
• Massive 40000mAh Capacity: Provides ample power for extended use, ideal for travel, work, or outdoor activities.
• Safety Guaranteed: Undergoes rigorous safety testing and certifications, ensuring reliable and secure charging.
• Digital Display: An integrated digital display shows the remaining power percentage, charging status, voltage, and current.

Package Contents

• ROMOSS 40000mAh Power Bank
• 3.28ft/1m Charging Cable (USB-C to USB-C or USB-C to USB-A)
• User Manual

Product Overview

The ROMOSS PEA40 Pro power bank is designed for convenience and efficiency. Below are details on its ports and display.

Figure 1: Overview of the power bank's 3 input and 3 output ports.

Figure 2: Detailed specifications for single port input and output.

Charging Status Display

The integrated digital display provides real-time information about the power bank's status:

• Battery Indicator: Shows the remaining battery percentage.
• Charging Voltage: Displays the current charging voltage.
• Charging Current: Shows the current charging amperage.

Figure 3: Examples of the digital display showing various charging statuses.

Setup: Initial Charging

Before first use, it is recommended to fully charge your ROMOSS power bank.

1. Connect the provided charging cable (USB-C to USB-C or USB-C to USB-A) to the power bank's input port (USB-C, Micro, or Lightning).
2. Connect the other end of the cable to a compatible wall adapter (not included). For fastest charging, use a 65W USB-C PD adapter.
3. The digital display will show the charging progress. The power bank is fully charged when the display shows 100%.

Charging times vary depending on the adapter used:

• With a 65W USB-C Max adapter: Approximately 2 hours for a full charge.
• With an 18W Micro/Lightning Max adapter: Approximately 6.5 hours for a full charge.

Figure 4: Power bank charging time comparison.

Operating Instructions: Charging Devices

To charge your electronic devices using the ROMOSS power bank:

1. Connect your device's charging cable to one of the power bank's output ports (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 digital display will show the charging status.
4. You can charge up to three devices simultaneously. Note that charging multiple devices, especially a laptop, may slightly reduce the charging speed for each device.

Figure 5: 65W Fast Charging for Laptops.

Figure 6: Charging three devices at once.

Universal Compatibility

The ROMOSS PEA40 Pro power bank is designed to be compatible with a wide array of electronic devices, ensuring you can power almost anything you need.

• USB-C 65W: Ideal for laptops such as MacBook, Dell XPS, HP, and various tablets including iPad Pro.
• USB-A 18-20W / SCP 22.5W: Suitable for smartphones like iPhone, Samsung, Google Pixel, and other devices such as AirPods.
• Other Devices: Compatible with drones, gaming consoles (e.g., Steam Deck), earphones, smartwatches, and more.

Figure 7: Universal compatibility with various devices.

Figure 8: Wide compatibility across different power delivery standards.

Massive Capacity

With an impressive 40000mAh capacity, the ROMOSS power bank provides multiple charges for your devices, ensuring long-lasting power.

• Approximately 8.1 charges for an iPhone 15.
• Approximately 1.4 charges for a MacBook Pro 14.
• Approximately 5.6 charges for a Samsung S24.
• Approximately 3.2 charges for an iPad 10.

Figure 9: 40000mAh Huge Capacity charge examples.

Safety Information

The ROMOSS power bank is built with multiple safety protections to ensure safe and reliable operation for both the device and your connected electronics.

• Over Charge Protection
• Over Current Protection
• Over-discharge Protection
• Over Power Protection
• Over Voltage Protection
• Short Circuit Protection
• Over Heat Protection
• Electromagnetic Field Protection

Figure 10: Multiple Safety Protection features.

Maintenance

To ensure the longevity and optimal performance of your ROMOSS power bank, follow these maintenance guidelines:

• Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
• Avoid dropping or subjecting the power bank to strong impacts.
• Do not expose the power bank to water or other liquids.
• Clean the exterior with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
• If not used for extended periods, charge the power bank at least once every three months to maintain battery health.

Troubleshooting

If you encounter issues with your ROMOSS power bank, refer to the following common problems and solutions:

Specifications

Figure 11: Product dimensions and weight.

Figure 12: Usage scenarios for the power bank.

Warranty & Support

ROMOSS products are manufactured to high-quality standards. For warranty information, technical support, or any product-related inquiries, please refer to the official ROMOSS website or contact their customer service directly. Keep your purchase receipt for warranty claims.