Chronoseek Solar Exhaust Vent Fan with 10000mAh Battery Backup for Outdoor Chicken Coops-Window Fan with 15W Waterproof Solar Panel3500 RPM Day or Night Solar Exhaust Fans for GreenhouseShedCamping

- ??Extra-Long Battery Life: Our solar fan for chicken coop is equipped with a built-in 10000mAh battery&3500 RPM fan. Fully charged, it can be used for 3-4 hours at night. 15W single crystal solar panels can efficiently convert solar energy to provide electricity. Can provide 140CFM maximum airflow to the coop to last reliable ventilation day and night. - ??Extended Runtime with Battery:The built-in large capacity 10000mAh lithium battery enables 3-4 hours of continues night ventilation after a full charge. When the solar panel detects darkness, the fan will autorun for hassle-free operation.(Note:Press the ON/OFF button). - ??? Weather-Resistant & Durable: This solar fan Built with IP65 waterproof rating and a steel mesh guard, withstands rain, dust, and harsh outdoor conditions,use in outdoor weather conditions from -15 to 140℉ for year-round use. - ?? Multi-Scene Versatility: This solar fan is equipped with a extension DC cable. 36db low noise. Perfect for chicken coops, greenhouses, barns, tents, RVs, and garages, this solar powered fan with battery adapts to diverse environments to keep animals,plants, and people cool. - ??? Easy Installation & Maintenance: The solar fan has pre-drilled holes, no wiring is required,mount the fan in your desired location with the included screws and bolts.Easily install on walls, roofs, or windows in just 5 minutes.(Note:Solar Panel allows cleaning).