18" Stand 12V 40W Solar Powered Rechargeable Fans

18" Stand 12v 40w solar powered fans with panelSolar power camping fan: (1)450MM fan blades; 40 watt solar panel, brass and power saving design (2)Maintenance free batteries12V/7Ah (3)3 level controller, LED lamp (4)Free 60-degree rotation, a wide-angle air supply; (5)Pitch angle of freedom of adjustment; The level of directional adjustment; (6)4-5 hours solar charging time fan working hours: 8-15 hours; (7)Case Material: PP+ Rail+Surface Treatment (8)Charging method: Solar power, AC110V/220V (9)3- level wind design, 1250RPM in high speed. It can also charge the battery while the fanner working with AC, the light will be twinkling when it's being charged, while the light will become off when it's fully charged. How does the solar fan work?                                                                                          SOLAR FAN A solar fan is a mechanical fan powered by solar panels. The solar panels are either mounted on the device or are installed independently. Solar fans mostly do not require secondary power sources other than solar power, as most of them are used for cooling purposes during day time. Some types are also used for heating purposes .It runs the fastest when it is the hottest outside providing savings on air conditioning costs. Applications:Solar fans are mostly applied for residential cooling purposes and in some cases, for industrial applications.   Size18inchHeight120CMCase MaterialPP+ Rail+Surface Treatment/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1