The Mi Powerbank 20000 mAh can charge up to 7 times depending on the battery capacity the smartphone has. It supports fast recharging of more than 2 devices. Charge 2 devices simultaneously with its two USB ports. Can also be used to charge USB Type-C devices. Mi Powerbank 20000 mah has ABS plastic casing with aluminum design that makes its surface easy to grip. The casing is made to be scratch-resistant, and can withstand the heat up to 90-degrees Celsius. It offers the largest battery capacity yet following Xiaomi?s 5000mAh and 10000 mAh. The Mi Powerbank 20000 mAh also has four-LED indicators at the top of it that shows the charging status.