DC / AC Air Circulation Fan

JFD-121C air Circulation Fan  

Specification 

air cooler silent fan for office

·Power:24W 

·Voltage：Adapter output: DC 12V 2A 

1:Touch panel                                                   
2:Digital display                                              
3:Remote control included                             
4:Timer function ：12 hours                            
5:Wind mode: Ordinary  Nature  Sleep                               
6:Speed settings: 12 settings                                 
7:Shake head left and right (three choices:30°  60°  120°)              8:Shake head up and down: Up:90°，Down：10°  
9: ECO mode                                                                       
10:Product size: 12 inch   Blade size: 12 inch                                  11: Carton box   package                                                           
12：Battery information:                                          
a: Lithium battery: 18650  capacity:4400mAh        
b: Working time : Lowest speed: 17H ,Highest speed:2.5H                c:Charging time: 8H                                                          
d：Product power: 30w                                       
e:Consumer can replace battery themselve  

Length:340*335*1000MM 

Gross:4.92KGS/Net:3.7KGS 

40HQ:1000PCS 

We also the manufacturer of DC Swan Fan, Air Circulation Fan, tower fan, AC/DC Power Stand Fan




A DC/AC Air Circulation Fan is a device that converts either direct current (DC) or alternating current ( AC ) power into mechanical energy to circulate air. It consists of an Electric Motor , typically powered by either a battery (for DC) or a standard electrical outlet (for AC), and a fan blade assembly.

The motor in the DC fan is driven by a simple on/off mechanism, allowing for constant speed operation. These fans are commonly found in portable devices like laptop computers, where they help dissipate heat generated by the internal components.

On the other hand, an AC fan uses a more complex motor design, which includes a commutator and brushes, enabling it to change direction as the electricity changes phase. This allows the fan to spin at different speeds, providing variable airflow depending on the input voltage. AC fans are often used in room ventilation systems, air conditioners, and household appliances.

Both types of fans serve the primary purpose of improving air circulation, cooling, and comfort in a space by moving stagnant air and facilitating heat dissipation. The choice between DC and AC depends on the specific application, available power source, and desired control over fan speed.