One example of a battery-operated ceiling fan is the Coleman Cool Zephyr ceiling fan, powered by several D batteries. There are also 12-volt-battery-powered ceiling fans made in China by the Foshan Carro Electrical Company.
The Coleman Cool Zephyr ceiling fan is powered by four D-cell batteries and is primarily used for air circulation in tents. It can be mounted to tent ceilings with magnetic plates. As of February 2015, this fan is sold on Overstock.com.
A metal battery-operated ceiling fan produced by Foshan Carro Electrical Company runs on 12-volt batteries, and it uses less than 30 watts of power. It is a five-speed unit that comes with an LED light. It is sold on Alibaba.com.