1,TUV,UL,CE,ISO CERTIFICATE 2,OVER 30 YEARS LIFE 3,OEM IS ALLOWED 2700 watt Solar Telecommunication systems have become integral ... series or parallel to match the system voltage. Solar telecom power system Include Installed PV Power: 2700Wp Solar panel: 135w * 20pcs Solar Charge controller: 60A/48V Pure ...