... 3. Customized design 4 2 Years warranty 5. Factory direct 20Kw SOLAR GRID TIE POWER SYSTEM For: Areas with NO POWER ... -free, Environmental-friendlyAlternative charge: by Solar Power / ACELectrical data ModelRI-20KW-GRIDFunctionCommercial, Home, Small Office useOutput Voltage90-130v or 220-240V ... most valuable cooperator in China. on grid solar power system 20KW COMPLETE set