The 150kw off grid solar system is composed of solar panel, solar charge controller, battery, inverter and other accessories. Solar panels charge battery and supply power to loads during daytime; battery supply power to loads during night time. Grid or generator can be at standby mode when battery is over discharged. Inverter power: 150kw power frequency inverter AC output voltage: AC208V or AC380V three phase Battery voltage: DC360V Battery type: Gel battery or LiFePO4 battery Solar panel type: Mono or poly