Delivery Time:3-7 working days for sample, 7-20 working days for bulk.
Certification:CE, ROHS

High Efficiency Solar Powered Ventilation Fan 20-25 Years Manufacturer\'s Warranty
 
 
Quick Detail:
 
 
1. Fix/adjustable solar panel
2. Venting capacity: up to 1255CFM
3. DC brushless motor, low noise
4. ABS material
 
 
Application:
 

 
 
Specifications:

Parts	Technical Parameter	Design Life
Solar panel	Peak power(W)	20W	20-25 years
Peak voltage Vm(V)	17.28
Peak current Im(A)	1.16
Open-circuit voltage Voc(V)	21.24
Short-curcuit current Isc(V)	1.35
Dimensions(mm)	420x420x25
Weight	3kg
BLDC Motor	Initial power	≤0.45W	Continuous work: above 20000 hours
Multi-shift air regulation	Pls follow the instructions to use
without load current	0.20A MAX
Rotor inertia effect	730g*cm2
Noise	45 dB(A)MAX
Weight	390g

solar ventilation fan’s Life & Warranty: 

Fan guard	580x580mm,H 128mm.	5-8 years
Integration of injection molding(ABS).
The sheating material adding anti UV ingredient.
Good weather resistance, durable.
Base plate	1.5mm thick steel plate, outdoors spray.	10-15 years
Fan cover and base firmly together.
High reliability, wind-resistant, anti rain.
Base adjustable angle.
Fan blade	Fan blade manufacture using CFM.	8-10 years
The highest output of five wing.
Diameter 30cm,ultralight,long life.
Precision balance blades, aluminum material.
Be able to all kinds of weather conditions.
Protecting cover	Stainless steel wire screen protection.	10-15 years
Prevent debris, bug, bird and small rodent.
Meanwhile let the air circulate freely.
Thermostat	Metal thermostat.	3-5 years
Attic air temperature: equal to or higher than 25 °C to 30 °C.will setting a temperature point and the corresponding fan switch.
Adjustable support	0-60°	10-15 years
Test result:	Ventilation volume:1255CFM
Wind resistance:170 mph
Weight	9.5KG
Host Dimensions	580x580x210mm, (Note:1*40 feet container Load 432pcs.)

 Features:
 
1. It can be used for workshops, warehouse and various kinds of  attics to ventilate, to refresh and dry air.
 
2. The system is solar-powered. It\'s no need to connect the grid. It works with low DC voltage, safe and reliable.
 
3. Automatically control the air quantity according to the radiation of the sun, the stronger the sunlight is,

    the more powerfuk the wind blows, up to 750m³/h.

4. Intelligent temperature control without manual operation. It starts working when temperature is above

    25 ° C and stops below  23 ° C.
 
5. High-quality solar panel, heat resisting, high pressure resistant, stable, with long service life.
 
6. Sealed shell design. Anti-UV material is added in the outside shell. Perfect weather fastness, durable.
 
7. Multiple protective devices, waterproof, insect prevention, rat proof and sundries proof.
 
 
FAQ:
 
 
Question: How the solar fan keep working after sunset?
 
Answer:  You can choose some Optional accessories  as below:
 
1>>   AC Complementary Controller (Optional):  In cloudy day, it will switch to AC power supply automatically. So the exhausted fan can work properly.
 
2>>   Back-up Power (Optional):  In cloudy day or after sunset, it will backup power supply automatically. The Solar Attic Fan continues to work making