Ultima Boost 20K Pro 20000mAh Powerbank Overview

The Ultima Boost 20K Pro Powerbank is a reliable mid-capacity option built for users who want fast charging, portability, and everyday convenience. With a 20,000mAh battery and 22.5W fast charging, it strikes a solid balance between performance and ease of use.

Design and Build

The Ultima Boost 20K Pro features a strong ABS plastic build, making it durable enough for daily use while keeping the weight manageable. Its sleek and compact design ensures it’s easy to carry in a backpack or travel bag.

An LED display is included to show the battery percentage, helping you monitor usage more accurately instead of relying on basic indicator lights.

Performance and Charging

This powerbank supports up to 22.5W fast charging via USB-A and 20W Power Delivery via USB-C, making it suitable for quickly charging smartphones and smaller devices.

It is compatible with multiple fast-charging protocols like PD, QC 3.0, VOOC, and WARP, ensuring wide device support across Android and iOS devices.

Battery and Efficiency

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

Charging the powerbank itself takes around 8–10 hours using an 18W charger, which is typical for this battery size.

Connectivity and Usability

The Ultima Boost 20K Pro includes three ports:

1× USB-C (input/output)
1× USB-A output
1× USB-C input

It supports multi-device charging, allowing you to charge two devices simultaneously.

The two-way charging feature adds convenience, letting the powerbank charge while also powering another device.

Safety and Features

Safety is handled with multi-layer chipset protection, protecting against overcharging, overheating, and short circuits. It also operates within a wide temperature range (-10°C to 55°C), making it dependable in various environments.