The newly purchased hanging waist fan needs to be charged according to the charging time on the product manual. Generally speaking, the charging time of the hanging waist fan is about 2-4 hours, depending on the product model and battery capacity. When charging for the first time, it is recommended to extend the charging time to 4 hours to ensure that the battery is fully charged and maintain good battery life.
It is best to connect the device to a stable power supply during the charging process to avoid prolonged uninterrupted charging and overcharging to extend the battery life and ensure the safe use of the device.