Never run out of battery! The best 20,000mAh power banks of 2025

Is your phone dying in the middle of the afternoon? A 20,000 mAh portable charger is your savior. We review the most powerful and fastest on the market.

A 20,000mAh (milliamp-hour) power bank lets you charge your smartphone multiple times, and even tablets or other gadgets. Look for models with multiple USB ports (ideally USB-C with Power Delivery for fast charging), LED battery indicators, and a compact design.

Brands like Anker, Xiaomi, and Belkin offer reliable options. Compare charging speed (watts), weight, and extra features (wireless charging?) before purchasing. A must for travelers and power users!