Felicity 80A/48V Charge Controller Brief introduction of Felicity 80A 12V/24V/48V Charge Controller: An MPPT (Maximum Power Point Tracking), or maximum power point tracker is an electronic DC to DC converter that optimizes the match between the solar array (PV panels), and the battery bank or utility grid. Maximum Battery Current: 45A Maximum Solar input Voltage: 190V Model: SCCM10048