July 1, 20206 yr Hi all and sorry in advance if this has been covered but all the threads I found seem to get side-tracked before a conclusive answer is given... I have an Axpert King 3K which has the following PV ratings Max PV Array = 1500w MPP Range @ operating voltage = 30 to 115V Max PV Open Circuit Voltage = 145V Max Solar Charge Current = 60A Currently I have 4x 360w Canadian Solar Panels with the following specs per panel (STC) Operating Voltage = 39.6V Operating Current = 9.1A Open Circuit Voltage = 47.0V My current panels are configured as 2 panels in series x2 connected in Parallel equating to the following on paper in theory (please correct me if I am wrong) Voltage = 79.2V Current = 19.2A Open Circuit Volage = 94V Max Wattage (in theory) = 1440w but in reality ICC has reported bursts maxed at 1625w My question is, could I add another 2 panels in series to increase the array to x3 in Parallel?? The theoretical max output would be as follows Voltage = 79.2VCurrent = 27.3A Open Circuit Volage = 94VMax Wattage (in theory) = 2160w The important part of my question is what is most important max Volt & Amps or Watts or both? My confusion comes in, is the 1500w PV Array limit does not line up with the other limitations and seems to be way under Axpert King 3K - Spec Sheet Thanks in advance
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