On Saturday, March 28, 2020 at 8:06:08 AM UTC-7, Amanda Riphnykhazova wrote:
So, even after 25 years of solar panel development, the most i can expect
(if I replace that el-cheapo rectangular panel at the top) is to restore it
to its former lousy operational state?
Are you sure the problem is a wimpy solar panel? Does the fan blow adequately if you power it from batteries? If you look on ebay, you can find lots of sellers of solar cells, fans, and caps, both separately and combined.