The 30kW off grid solar power system can be used for remote area without grid connection. Wifi or GPRS monitor can be avaible for such system. Inverter power: 6pcs 5kw in parallel AC output voltage: AC220V/230V/240V or AC380V/400V/415V Battery voltage: DC48V Battery type: Gel battery or LiFePO4 battery Solar panel type: Mono or poly Compatiable with generator Monitor: WIFI or GPRS