If the indicator is solid green, the battery is fully charged.
If the indicator pulses green, the battery is charging.
If the indicator blinks yellow, the battery's temperature is too high or low, and the battery cannot be charged temporarily (If charging indoors, when the temperature is suitable, the battery charging hub will automatically start charging the battery).
If the indicator is solid yellow, the battery charging hub is in waiting status, and no batteries need to be charged.
If the indicator is solid red, there is an error with the battery.