Lithium battery type 18650. The battery of the small fan is generally a rechargeable lithium battery 18650 with a voltage of 3.7 V. The battery is cylindrical, 18 mm in diameter and 65 mm in length. 18650, where 18 indicates a diameter of 18 mm, 65 indicates a length of 65 mm, and 0 indicates a cylindrical battery.
The capacity is too small.
The capacity of 800 mAh is very low. The specific usage time depends on the number of fan gears and the discharge current of each gear. The discharge current is related to the wind speed of the fan. wind speed. The lower the discharge current, the longer the usage time. Generally, the highest discharge current of a fan is about 0.8A, and the usage time of 800mAh at the highest level is about 1 hour.
How to improve battery life?
1. When cleaning andmaintenance of the exterior of the rechargeable fan, first use kitchen detergent to wipe the fan, then wipe it with a clean, soft cloth.
2. Do not rinse the fan directly with water or use chemicals, alcohol or decontamination powder to remove dirt. These substances may distort or discolor the appearance of the rechargeable fan.
3. When using the rechargeable fan, if there are abnormal phenomena such as hot hands, abnormal burning smell, ineffective shaking of the head, slow speed of bearing heating, etc., you should immediately cut. Turn off the power supply and contact relevant personnel for maintenance.
4. When the fan has just started, set it to fast speed first, wait until the speed is normal, and then set the fan speed to slow speed. This can saveuse electricity and help extend the life of the fan.
5. Clean the fan before storing it during cold seasons. Wipe any oil and dust on the surface with a soft cloth, then wrap the fan with kraft paper or a clean cloth before installing it. the box in a dry, ventilated place.