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Arizona toddler rescued after getting trapped in a Tesla with a dead battery | The Model Y’s 12-volt battery, which powers things like the doors and windows, died (www.theverge.com)

submitted 2 months ago by ForgottenFlux@lemmy.world to c/technology@lemmy.world

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[–] helenslunch@feddit.nl 16 points 2 months ago (1 children)

The 12V is not a backup, it's the sole battery used to power electronics.

[–] sorghum@sh.itjust.works -4 points 2 months ago (2 children)

Not anymore, they've updated the platform to be 48v (which they shared the docs with the rest of the industry) and are using lithium batteries in both systems instead of lead acid. They're supposedly supposed to last the lifetime of the vehicle instead of having to be replaced every 4-5 years.

https://electrek.co/2023/12/07/tesla-shares-48v-architecture-with-other-automakers-to-move-the-industry/

https://insideevs.com/news/656775/tesla-switch-48v-voltage-system/

[–] helenslunch@feddit.nl 7 points 2 months ago* (last edited 2 months ago) (1 children)

That's only the Cybertruck
The 48V battery will become "the sole battery" for the electronics so nothing will change in that regard. They're not connecting 400-1000v batteries to the electronics.

[–] sorghum@sh.itjust.works 0 points 2 months ago* (last edited 2 months ago) (1 children)

The point I was trying to make is that the model y switched to 12v lithium batteries in late 2021 that are supposed to last the lifetime of the vehicle (from the 2nd article). The 12v lead acid batteries you are used to seeing in every other car made since the 1960s usually only last 4-5 years.

I would bet that the model y from this story is either a 2019 or 2020 model

[–] helenslunch@feddit.nl 0 points 2 months ago

And what part of that were you referring to, specifically, when you said "not anymore"?

[–] CyberSeeker@discuss.tchncs.de 3 points 2 months ago (1 children)

Only the cyber truck. Model S and 3 refreshes are still on the legacy platform, with a lithium ion 12V.

[–] sorghum@sh.itjust.works -1 points 2 months ago

In this story, it's the model y.