I quite like the idea but I am not sure how long will it last… got burnt once too often buying stuff from the Internet.
If you wanna give it a shot though, you may get it from here.
Solar-powered Fan Cap
About Kelvin
26 years and still counting, as a Personal Wealth Manager and part of the inaugural batch of Prestige Elite Advisors from AIA Affluent & High Net Worth Division, the certifications and accreditations have equipped me with the ability to partner Law Firms, Tax, Trust and Immigration Advisory Companies to offer their services to my clients.