Holding a small fan for too long is definitely dangerous.
Every year in summer, most parts of our country are hot and hot weather. And electric fans are one of the main ways to cool down. Now the power size and style of electric fans are very much. There are also many brands of electric fans on sale in the market. In recent years, there has been a small handheld rechargeable fan. It works when fully charged. But the batteries in the charger and the fan generate heat when they are charged. It is dangerous if it is charged for a long time. Charging 24 hours is more likely to heat, prone to fire hazard accidents.
It doesn't matter, because it will automatically activate the current protection after a long time