Two hours. The specifications of the small battery fan are 3400 mAh, 3.7V/4.2V lithium battery. The small fan consumes 0.01 kilowatt hours of electricity per hour. Normal battery life should be between 100 and 120 minutes. -The small powered fan can be used for two hours. The small portable fan is small in size and can be carried anywhere. It is an essential item for going out in summer.
How long can a small fan with a 3400 mAh battery last?
Introduction How long can a small fan with a 3400 mAh battery last two hours? The specifications of the small battery fan are 3400 mAh lithium battery, 3.7V/4.2V, the small fan consumes one hour.