A while back we highlighted a solar driven air cooler by Desertsun02 on Youtube �?an awesomely simple concept for reasonable cooling �?and he has quite a few other handmade air coolers he has built and tested out with terrific final results. Take a look at the advantage of rapid-charging capabilities, https://israelhntdh.link4blogs.com/54679389/an-unbiased-view-of-off-grid-solar-air-conditioners-vic