Solar Exhaust Fan for Home Ventilation Looking for an affordable and effective solution for air circulation in your home, garage, workshop, greenhouse or barn? Look no further than our high-efficiency solar-powered fan with battery backup! Keep Space Cool and Fresh Even on cloudy or rainy days, this fan will provide stable 24/7 operation with two ways supply modes. During the day, the fan runs completely on solar power with the simplicity and safety you desire. And at night, Battery charging ensures that it will keep running. High-Speed Airflow and Energy Efficiency Improve the air quality and circulation in any space under the sun with our high-quality solar-powered fan. The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Pick the Perfect Solar Exhaust Fan for Your Space Better egg-laying for the chicken in the yard! How does the battery system work? The intelligent system inside the battery box could switch to battery power if the solar panel voltage drops too low. The efficiency of the fan and battery charging is affected by sunlight conditions and is reduced when the weather is cloudy. Finished solar panel and battery, battery shows red light, what is the status? The battery shows a red light, indicating a charging state. Full charge and discharge do not light up (this is to save power consumption). How long do I need to recharge when I run out of power at night? Run the battery out that night and it will take 4-6 hours to finish charging the next day. The battery will be automatically charged when the sun rises. Note: Low battery power is positively correlated with fan operation. Chtoocy Solar Powered Fans Product Introduction Solar Powered Fan 8 Inch Buying Options Solar Powered Fan 2 fans Add to Cart Large Solar Powered Fan Add to Cart Solar Powered Fan11 Inch Add to Cart Solar Powered Fan 9 Inch Add to Cart Customer Reviews 4.0 out of 5 stars 41 3.0 out of 5 stars 29 3.1 out of 5 stars 17 3.9 out of 5 stars 109 3.9 out of 5 stars 109 Price — $34.99$34.99 $58.99$58.99 $59.99$59.99 $79.99$79.99 Solar Power 20 watts 25 watts 25 watts 20watts 25 watts Solar Voltage 12 Voltage 12 Voltage 12 Voltage 12Voltage 15 Voltage Battery Capicity 6000mah 6000mah 12000mah 0mah 12000mah Cable Length (Total) 16FT 16FT 16FT 16FT 16 FT Number Of Blades 3 7 7 6 6 Air Flow Capacity 450 cubic feet per minute 360 cubic feet per minute 480 cubic feet per minute 496 cubic feet per minute 450 cubic feet per minute