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There are lithium polymer batteries with a peak discharge rate (usually a few seconds) of 100+ times their capacity (C rating).

So if you put a lot of those single cells in parallel to e.g. form an 80Ah battery, you could for some time pull 8000A+ out of it at 3.7V (the car's motors probably need a few times that voltage, so there will be cells in series).




I think you're an order of magnitude low; the battery is arranged to give 100x that voltage and still put out over a thousand amps.

But we're looking at batteries with 23k amp hours across all the individual cells.




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