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Slow Supercharger charge speed, potential issue for long distance travellers.

gnuarm

Model X 100 with 72 amp chargers
I think others have explained this, but just to make it clear... the battery is a large hunk of mass. It takes significant power to change its temperature. The car just does not have the means for heating it up quickly. Even 15 minutes is not enough time to change the temperature of the battery much. I believe I have read that the car will start heating the battery up to an hour before reaching the charger if it is the current destination. The amount of time required depends on the battery temperature of course, but the regen display is not a good indication of the battery taking a fast charge.

It took the auto industry over half a century before they make really good automobiles. I expect EVs will take a couple or three decades before they get the bugs out of using batteries to store the energy for moving a small room about the planet.
 

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