Mi Action Camera 4K - Battery Charging; Charging Methods and Indicator

4. Baery Charging
Red
Off
Note:
It is recommended to remove the baery if you connect the camera to a power supply for
a prolonged period during use.
a. You can use a 5V 1A power adapter, PC, or mobile power bank to charge the camera
via a data cable. It is recommended to turn off the camera during charging.
b. The front indicator is solid red while charging, and turns off automatically when the
baery is fully charged.