1,TUV,UL,CE,ISO CERTIFICATE 2,OVER 30 YEARS LIFE 3,OEM IS ALLOWED 2700 watt Solar Telecommunication systems have ... 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 ... Sealed Lead Acid Battery: 400Ah/48VDC Provide the electricity for telecom appliance 24 hours /day. Ensure Benefits: -Easy ...