The Mi 11 Ultra battery capacity is 5000 mah, after testing, Internet browsing, listening to music, playing games and other daily use, a night (8 hours) power loss of about 15%-20%. The specific power failure situation will also be affected by personal habits, screen brightness, signal strength and other factors. It is recommended to close unnecessary applications, reduce screen brightness, and turn off Bluetooth, Wi-Fi and other functions in daily use to extend battery life. At the same time, the Mi 11 Ultra supports 67W wireless charging and 67W wired fast charging, which can be quickly charged in a short time to meet user needs.