Tesla announced 48-volt electric systems today at "Investor Day."
Why do automobiles require 48-volt systems, and will the auto industry switch?
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Tesla is not the first carmaker to move to 48 volts. Several mild-hybrid cars use 48-volt systems.
48-volt systems boost power and fuel efficiency in mild hybrids.
Yet manufacturing giants like Tesla ditching 12-volts for its EVs puts the industry on notice. Why is Tesla doing it?
2021 was Tesla's first transition to Li-ion 12-volt batteries. But batteries drain quickly
Climate and distance between charges are factors.
Like a 12-volt alternator, the car's mileage charges the battery.