2021 Tesla Model S and Model X drop the lead-acid accessory battery

2021 Tesla Model S Plaid+In a Tesla Model Y or Model 3 that is in some respects a glimpse of the future of motoring, you’ll find something surprising: a version of the same old cumbersome 12-volt lead-acid battery—that you’ll have to replace after some years of use. That’s finally due to change with the introduction of the revamped Model S and...