IP65 Waterproof Photovoltaic Energy Storage Sine Wave MPPT Controller Basic Info. 18*2A Max PV input current Each MPPT interface supports up to 18A input current (total 36A combined across 2 interfaces), enabling higher solar input capacity and improved energy yield from dual PV arrays. WIFI connection, APP monitoring Optional WIFI module enables wireless connectivity, allowing real-time system monitoring, performance data access, and remote control via dedicated mobile APP