This is not about being able to go for long periods without bothering to charge, but about energy usage, and being able to get a long period of actual usage from a machine without having to charge it from a reliable mains supply.
You do need years of battery life. Not by improving the capacity of batteries, but by improving the rate at which energy is drawn from them.
As the article quotes:
"Every developed nation country has a graph showing electricity demand is going to outstrip supply at some point in the next 20 years unless we do something different,"
You are inconvenienced, just not in the manner you highlight.
You do need years of battery life. Not by improving the capacity of batteries, but by improving the rate at which energy is drawn from them.
As the article quotes: "Every developed nation country has a graph showing electricity demand is going to outstrip supply at some point in the next 20 years unless we do something different,"
You are inconvenienced, just not in the manner you highlight.