Overview

Designed for everyday carry and travel, this 20,000mAh pack combines high-capacity cells with an efficient 30W USB-C PD output to deliver rapid top-ups when you need them most. A USB-C in/out port handles fast charging for your phone and quick recharging for the bank itself, while additional USB-A ports keep accessories covered. Built-in safety circuitry maintains stable, cool operation, and the pocket-friendly housing makes it a dependable companion for commutes, classes, and weekend trips.

Frequently asked questions

Does the ROMOSS 20,000mAh power bank support 30W USB-C PD fast charging?

Yes. The USB-C port supports up to 30W Power Delivery for compatible devices.

How many devices can I charge at once?

You can power multiple devices simultaneously using the USB-C and USB-A ports; total output is shared across ports.

How long does it take to recharge the power bank?

With a USB-C PD wall charger and quality cable, the bank recharges significantly faster than standard 5V chargers (time varies by charger wattage).

Is it airline carry-on friendly?

At ~20,000mAh (≈74Wh), it’s typically within airline carry-on limits (under 100Wh). Always follow your airline’s rules.

Is it compatible with iPhone 15, Samsung, Pixel, and iPad?

Yes. It works with most USB-C/PD devices; charging speed will depend on each device’s PD profile and cable quality.