... grid solar inverter, Integrated with MPPT chaging controller and pure sine wave inverter, support hybrid mode. Off Grid Solar InverterSystem structure: PV array, battery, off grid solar inverter, AC load, grid ... Accuracy±3%(Balance load)Transient Voltage Variation±5%(0~100% load variation)Linear Load ... DistortionTHD<3%Non-linear Load Voltage DistortionTHD<5%Frequency50/60HzFrequency Accuracy±0.1%Rated ...