There are two possibilities, one is the fan itself malfunction, the other is a foreign body inside the fan, causing it can not turn

In summer, the weather temperature gradually rises to 20-38 degrees. When the battery is charged, a high temperature of more than 40 degrees will occur, which will make the thermal effect of the charger out of control, resulting in the battery is not fully charged, and the green light will not change

Battery capacity failure, charging is always charged so it is always displayed in charging; Or the charging protection circuit of the charger is broken and the protection function is lost.