Debate: How long should a phone last between charges?

I now this is asking too much, for now, but looking at the bigger picture, it should., should.. last between minimum 3-5 days.

Battery tech is in a very nascent state as of now.

Wouldn't even think of relying too much on any batterty operated things, especially EVs till they fix issues like stand-by batter drain on account of temp changes, combustability, water and temp protecion, power density, charging speeds, portless charging for bigger appliances/vehicles/machines, etc, protecting batteries against electro-magnetic interferences and causing those for other appliances as well, chemical complexity that would ultimately cause issues like ground-water and soil pollution (agrcultural reasons).

You see, the more we think of the bigger picture, the more it shows that battery tech and the way we are going about it, is really something that needs a strategic revisit, on a priority basis, before we make a mess of it, like we did with nuclear and other chemical tech.

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