The SKIL 12V/20V Brushless 7 In. Fan can be powered by either PWR CORE 12 or PWR CORE 20 batteries. It also offers a hybrid AC option to be powered via USB-C for continuous operation. This portable area fan delivers powerful airflow up to 500 CFM with a 180-degree pivoting head to send air where you need it, and includes a built-in rafter hook for versatile mounting. This 7-inch cordless fan runs up to 3 hours on high when powered by a PWR CORE 20 2.0Ah 20-volt battery or up to 1.5 hours on high with a PWR CORE 12 2.0Ah 12-volt battery (batteries sold separately).