Product Description 6KW 48V GROWATT SPF 6000 ES Plus 6000w Off Grid Solar Single Phase Home Off Grid Inverter for Complete Solar System Product Parameter Model NO. SPF 6000 ES Plus Battery Voltage 48VDC Battery Type Lithium/Lead-acid Inverter Output Rated Power 6000VA/6000W Parallel Capability 6 units maximum AC Voltage Regulation(Battery Mode) 230VAC ± 5% @ 50/60Hz Surge Power 12000VA Efficiency (Peak) 93% Waveform Pure sine wave Transfer Time 10ms typical,20ms Max Solar