Billions of individuals at present reside in regions with unreliable electricity grids or no grid access at all. For them, common cooling methods will often be impractical or unaffordable, restricting economic possibilities and impacting Standard of living, specifically in agriculture and healthcare. A patented cold thermal energy storage technique from https://purethermal.co.uk/media-news/pure-thermal-webinar-can-icebat-cold-thermal-energy-storage-provide-an-alternative-cooling-design-option/