Most people need to replace their technology about as often as their batteries, so there is no incentive to cool them. But the reasons they need to be replaced

Most people need to replace their technology about as often as their batteries, so there is no incentive to cool them. But the reasons they need to be replaced often is more about 1. Not keeping them at/above 40% charge, and 2. Laptop batteries don't balance the cells. Most laptop batteries can get 80% capacity back just by replacing one or two crap cells.