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Wait. A Tesla car is literally a rolling lithium-ion battery pack, and yet it also needs a lead-acid battery too?
by frandroid 10y ago
Wait. A Tesla car is literally a rolling lithium-ion battery pack, and yet it also needs a lead-acid battery too?
- mikeash 10y agoYes. You want to isolate the main battery pack in a crash (400V applied to emergency workers is a bad idea) but you still want to be able to power some basic systems.