A battery-operated fan is a portable cooling device that runs on batteries instead of being plugged into an electrical outlet. This makes it convenient for use in various settings, such as during outdoor activities, camping trips, or in areas without electricity. These fans come in different sizes and designs, often featuring adjustable speeds to provide a comfortable airflow. Many battery-operated fans are lightweight and easy to carry, making them ideal for personal use. Some models even include additional features like built-in LED lights or rechargeable batteries, enhancing their functionality. They are a practical solution for staying cool in hot weather or during power outages.