Dual Charging Convenience This versatile batterypowered fan offers both AC and solar charging options, giving you flexibility for any environment. Use dependable AC power at home or tap into ecofriendly solar energy outdoors with the included 20W monocrystalline silicon solar panel. The long 16.4 ft cord makes solar charging hassle during camping, barbecues, sports events, and other outdoor activities. Eliminate the need for constant access to mains electricity and reduce energy costs while staying cool anywhere. LongLasting 15000mAh Battery Powered by a capacity 15000mAh lithium battery, this fan ensures extended comfort without frequent recharging. Achieve a full charge via adapter in just 3 to 4 hours or take advantage of solar charging in 6 to 9 hours. Enjoy up to 30 hours of operation on the lowest speed setting. The builtin USB ports provide emergency power for mobile devices, camping lights, or small tools, making it a reliable companion for indoor use, camping trips, greenhouse ventilation, and more. Efficient and Adjustable Airflow Equipped with a threephase brushless DC motor with a permanent magnet outer rotor, the fan delivers robust performance with a maximum airflow of 2000 CFM. The smooth speed control minimizes noise while maintaining effective cooling. The 360degree adjustable head lets you direct airflow precisely where it is needed, making it ideal for spot cooling in tents, barns, kennels, workshops, and other spaces. Built for Outdoor and Indoor Versatility Whether providing a breeze in a chicken coop, cooling a dog kennel, ventilating a greenhouse, or keeping you comfortable while fishing, this floor fan performs reliably in diverse conditions. The combination of strong airflow, long battery life, and dual charging options ensures performance during power outages, outdoor activities, and everyday indoor use. Key Features Dual charging modes: AC power or solar energy with included 20W solar panel capacity 15000mAh lithium battery with up to 30 hours runtime on low speed Fast charging: 3 to 4 hours with adapter, 6 to 9 hours with solar panel Builtin USB ports for charging phones and portable devices Maximum airflow: 2000 CFM with threephase brushless DC motor 360degree adjustable head for targeted cooling Durable and efficient monocrystalline silicon solar panel with 16.4 ft cord Suitable for indoor and outdoor applications including camping, agriculture, workshops, and leisure activities