With the advent of new variants of Coronavirus in mind, and other diseases that will be present in a collapse when no doctor can be found, we may be faced with the long-term care of loved ones. The production of oxygen, and/or running a Continuous Positive Airway Pressure (CPAP) machine could be necessary. What follows is my ‘notes on the back of an envelope’ attempt — a starting point that goes toward a solution. I am merely offering the reader my estimation of what it would take to get this done. This is the minimum PV power generation and storage …
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