Well, to be fair he said he could. Yes, it would be possible using a boost converter to jump the voltage, you can certainly draw enough current from an auto bat

Well, to be fair he said he could. Yes, it would be possible using a boost converter to jump the voltage, you can certainly draw enough current from an auto battery. But without using external components the only way a car battery would kill you is by creating a spark and igniting hydrogen that the battery produced.