1,TUV,UL,CE,ISO CERTIFICATE 2,OVER 30 YEARS LIFE 3,OEM IS ALLOWED 2700 watt ... combination of series or parallel to match the system voltage. Solar telecom power system Include Installed PV Power: 2700Wp Solar panel: 135w ... gird is inefficient -Solar panel Component lifetime of 25 years. -2 years warranty for complete system 2700 watt Solar Telecommunication ...