mux wrote:In the Leaf, the rapid charger does its own current limiting; all the car does is set a maximum current (120A in the case of Leaf) and a maximum voltage (391V in case of the Leaf). The charger then does constant current-constant voltage (CCCV) charging just like any other battery charger.
The first description/senctence better defines the functionality, since the voltage of the battery increases as it charges. So it's not really a constant
voltage source too during the constant current charging, but limits the max battery voltage as the process completes.