Power King 18" Stand Up Fan PK-1018-RThe Power King Stand Fan PK 18786 is an 18 inch stand fan, identified by the model number PK CSF 18786. Key features include a of runtime, 3 5 blades, multiple speed settings. It also includes fea tures like a heavy base for stability and overcharge over discharge protection for the battery. Power: 45 watts Voltage: 220240V Run time: High speed: 4 hours Medium speed: 7 hours Low speed: 11 hours Charging time: 812 hours Battery: Features built in