A day to a week or so. Mi 10 is the flagship mobile phone listed in August 2020 of the Xiaomi brand, with a battery capacity of 4500 mah, support for 120 watts of wired fast charging, and 50 watts of wireless charging, wired charging can be fully charged in about 30 to 40 minutes, 4500 mah battery life, generally speaking, if heavy use may be 5-8 hours. If used lightly or just on standby, it usually lasts 5 to 7 days.
It should be fully filled in a little over an hour.