Experience the ultimate in charging convenience with the Anker 335 Power Bank (PowerCore 20K). Boasting an impressive 20000mAh capacity, it powers most smartphones over 4 times and tablets at least 1.5 times. Enjoy rapid iPhone 12 charging, reaching 50% in just 30 minutes through its powerful 12W output. Simultaneously charge up to 2 devices, all while staying informed about the battery percentage through the intuitive digital display. Stay powered and connected effortlessly.