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This 12-volt DC fan is compatible with solar panels ranging from 40 watts to 100 watts. It performs exceptionally well in airflow, noise level, vibration, and energy efficiency, making it ideal for solar-powered applications. While it works best with a 100W (approximately 12V) panel, it also functions reliably with smaller panels. When wiring, connect the negative wire to black and the positive wire to blue. In this configuration, the airflow is directed toward the wires and protective screen, as shown in the listing photos. The fan’s compact size (12 x 12 x 3 ) allows easy installation in a gable vent or similar opening. It comes with four integrated mounting tabs for quick setup. A free high-efficiency fan blade is available upon request. This upgraded blade spins at 3700 to 4000 RPM—more than twice the speed of a standard fan blade—for enhanced performance. Instructions are included. A full refund is available if the product is defective. Trusted by thousands of homeowners nationwide — proudly engineered and supported in the USA High-performance 80-watt solar attic fan with a 12V high-efficiency motor that delivers powerful airflow to reduce heat and humidity in attics, garages, greenhouses, barns, sheds, and RVs. Significantly lowers cooling costs with zero electricity required. Compatible with 40W to 100W solar panels for flexible off-grid use. Space-saving 12 x 12 x 3 design fits standard gable vents and tight attic spaces with ease. Versatile enough for barns, chicken coops, greenhouses, RVs, garages, sheds, and off-grid solar setups — anywhere you need reliable ventilation without running electrical wiring. Features four integrated mounting tabs and pre-wired plug-and-play connectors for hassle-free installation. Connect to a 12V solar panel and start ventilating immediately—no special tools or electrician needed. Durable housing and a weather-resistant 12V motor make this fan suitable for year-round outdoor use in residential, agricultural, or remote environments. Backed by our hassle-free refund and replacement policy if defective Moves up to 3000 CFM of air, effectively cooling areas up to 2,700 sq. ft. Helps expel trapped heat, remove moisture, and improve fresh air circulation in enclosed spaces Simple plug-and-play installation requires no tools and takes just minutes. Step-by-step installation and demo videos are available on the Amtrak Solar YouTube channel. Every fan is backed by 100% USA-based customer support — if you ever have an issue, our team will work with you personally until it's resolved. UPC 697691897158 684334922698 697691897172 Color Black Speed 3700 RPM Style Solar powered fan Voltage 12 Volts Wattage 80 watts Material Plastic Room Type Attic, Garage, Shed, Greenhouse, Bathroom, Kitchen, Storage, Off-Grid Brand Name Amtrak Solar Model Name 12 Model Unit Count 1 Count Finish Type Plastic Reusability Yes Switch Type Auto Blade Length 11 Inches Manufacturer Amtrak Solar Model Number SPF-12 Power Source Solar Powered Mounting Type Wall Mount Blade Material Plastic Control Method Touch Item Type Name Solar Powered Fan Collection Name Amtrak Solar 12 Exhaust Fan Controller Type Solar Powered Auto Manufacture Year 2015 Number of Blades 10 Number of Speeds 1 Special Features Most powerful solar fan on Amazon; cool & efficient design; easy installation; high airflow with safety cover. Air Flow Capacity 2000 Cubic Feet Per Minute Electric Fan Design Exhaust Fan Included Components Brackets, extra wire Is Product Cordless No Indoor Outdoor Usage Indoor, Outdoor Warranty Description 3000 hours Standby Power Shutoff High Number of Power Levels 1 Item Dimensions D x W x H 3 D x 12 W x 12 H Recommended Uses For Product Attic, Ventilation, Exhuast, Garage, Shed, Greenhouse, Chicken Coop, Dog house