Tesla announced that its vehicles would now feature 48-volt electric systems during today's "Investor Day" event.

As you are no doubt aware, 12-volt electric systems have been employed in automobiles since the 1950s

So why is it necessary for automobiles to have 48-volt systems, and will the whole auto industry

To begin with, let's clarify that Tesla isn't the first carmaker to transition to 48 volts

In their mild-hybrid systems, several manufacturers use 48-volt systems. 48-volt systems increase

But the fact that manufacturing titans like Tesla are switching to 12-volt power for their

electric vehicles puts the whole industry on alert. Why is Tesla doing it now, and what is it used for?

Tesla’s moving to Li-ion 12-volt batteries was the first move back in 2021. But the energy in the batteries