COLEMAN Fan Portable Onesource C002 Keep cool outdoors with the OneSource Multi-Speed Fan & Rechargeable Battery, which offers high and low settings as well as an adjustable head for targeted airflow. It is part of a system that powers outdoor gear with rechargeable lithium-ion batteries that can be used interchangeably in a range of compatible devices, including lanterns, flashlights, wireless speakers, air pumps, and camping tents, and shelters (sold separately). The lithium-ion