Ultima Boost 20K Ultra Max Powerbank

Ultima Boost 20K Ultra Max Powerbank Overview

Design and Build

The Ultima Boost 20K Ultra Max features a premium, compact frosted aluminum alloy chassis designed for durability and sleek portability (measuring 106 × 48 × 48 mm). It is engineered with advanced 12-layer safety protection against short circuits, overcurrent, and overheating. It also includes an integrated real-time digital LED display that provides clear, precise readings of your remaining battery status.

Battery and Charging Speed

It houses a high-capacity 20,000 mAh (74 Wh) battery with a 13,500 mAh rated output capacity. Capable of delivering up to 100W total output—powerful enough to charge phones, tablets, and laptops—it supports fast two-way charging and fully recharges in about 6.5 hours when using a 65W PD fast charger.

Ports, Connectivity and Others

It comes equipped with a multi-port configuration including a high-speed Type-C port (65W max input / 100W max PD output), a Type-A port (up to 22.5W output), and two additional USB output ports (up to 18W max each). It supports simultaneous charging for up to 3 devices at once alongside broad fast-charging protocol compatibility, all backed by a 6-month brand warranty and a 30-day replacement guarantee.