Three hours
In general, rechargeable electric fans should be charged for about three hours, according to the battery capacity and battery classification.
1, one is the nickel-metal hydride battery, there is a memory effect, when used to run out of electricity, charging will be sufficient, so as to ensure the capacity of the battery, the newly bought nickel-metal hydride battery generally after 3 to 4 times of charging and use, the performance can play to the best state, one is the lead battery, the advantage of the battery is that the electromotive force is more stable when discharging. Stable operating voltage, wide range of operating temperature and current, can charge and discharge hundreds of cycles, good storage performance.
2, according to the battery capacity and charger power, generally speaking, the capacity of the rechargeable electric fan is 2500 MA, at rated power and rated voltage, it takes about 3 hours to be full.