The Xiaomi 20000mAh power bank delivers high-capacity performance with 18W two-way fast charging, multiple ports for charging up to three devices simultaneously, and a low-current mode for small accessories.Key Features :High 20000mAh (74Wh) capacity with a rated output of 12000mAh for multiple smartphone charges.18W two-way fast charging via the USB-C port for both fast output and fast recharging.Three ports available: Dual USB-A outputs + USB-C (input/output).Low-current mode for small devices like Bluetooth headsets and smart bands.Supports charging up to three devices at the same time.