With an impressive 30000mAh capacity, the HOCO J101B Astute Power Bank delivers long-lasting power for multiple devices, making it ideal for travel, emergencies, and daily heavy use. Equipped with 22.5W super fast charging, it can rapidly charge modern smartphones and other electronics. A digital LED display shows the exact battery level, while multiple input and output ports provide versatile charging options. Safety is built-in, with overcharge, over-discharge, and short-circuit protection.