Ultima Boost 20K Mini Powerbank Overview

The Ultima Boost 20K Mini Powerbank is designed for users who want high capacity in a compact and cable-free setup. With a 20,000mAh battery, built-in cables, and 22.5W fast charging, it’s a convenient all-in-one solution for charging multiple devices on the go.

Design and Build

The Ultima Boost 20K Mini features a compact and travel-friendly design, despite packing a large battery inside. Built with durable ABS plastic, it feels sturdy while remaining lightweight enough for everyday carry.

One of its biggest highlights is the built-in cables (Type-C and Lightning), which eliminate the need to carry extra wires. The LED display shows the exact battery percentage, making it more practical than standard indicator lights.

Performance and Charging

The powerbank supports up to 22.5W fast charging via USB-C, allowing quick top-ups for smartphones and other devices.

It also supports multiple fast-charging protocols like PD, QC 3.0, VOOC, and WARP, ensuring compatibility across Android and iOS devices.

Battery and Efficiency

With a 20,000mAh capacity (rated 13,500mAh output), the powerbank can charge smartphones multiple times, making it ideal for travel or heavy usage days.

It uses a Li-Polymer battery, which offers stable performance and improved safety.

Connectivity and Usability

The Ultima Boost 20K Mini is built for convenience. It supports charging up to 3 devices at once, thanks to:

Built-in Type-C cable
Built-in Lightning cable
USB-C port

It also supports two-way charging, so you can charge the powerbank while it charges your device.

Safety and Features

The powerbank includes multi-layer chipset protection, protecting against overcharging, overheating, and short circuits.

It’s designed to be sleek, portable, and easy to use, making it a practical choice for everyday users.