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I assume that jump starting an EV takes a lot less current than jump starting an ICE due to no need to crank an engine. I'd guess it just needs enough to power the control electronics and close the solenoids to the traction battery?

That raises an interesting question: is the power requirement low enough that you could make a hand cranked EV jump starter?




You would be correct.

It needs enough to open the contactors which allows the high voltage battery to send power via the inverter to charge the 12V

My Lithium Ion jump pack is tiny, about the size of two iphones stacked on top of each other, and a single jump uses only a few %.


Back to crank starting a car? We have come full circle.




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