Charge car battery up to 70% in 2 minutes? Dare you calculate the amperage needed? Somewhere in the ballpark of 10000A in 12V? That would do it, melting all wires in the connection.
Title says it all. I don't know what kind of dumbass would come up with this idea, but on Mars, your rotor blade would need to be spinning at like 150000 RPM to barely generate any lift.