Just to be super clear, are you sure the diodes are on the 400A DC bar? You need some big ass diodes for 400A, and doesn't the video say that the DC current can flow backwards for pre-heating the system when you are driving to a supercharger?The charge circuitry (at least up to the late 2019 one here) has diodes in it. This will specifically prevent the electric current from flowing back into the charger. It's designed to prevent it from happening.
Actually, sorry, 250kW for the new superchargers is 625A. Are you sure that is going through diodes?
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