... the single phase AC charging for high capacitybatteries of electric vehicles directly. It is an intelligent on board charger ... PFC4,Full bridge resonant LLC DC/DC converter5,Stable digital control for constant output mode or constant voltage mode ... ≥IP20BProtectionover-voltage,low-voltage,short-circuit,reverse-polarity,over-temperature,over-currentover-voltage,low-voltage,short-circuit,reverse-polarity ...