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carl2591's avatar
carl2591
Explorer III
Mar 04, 2016

question,, which is better when looking at solar panels.??

Higher voltage, ie.. 24 vs 12 or max amps they can produce. example: I am looking at a panel rated at 195 watt, 24vdc that produces 5.38 amps and another one that is 160 watts, 12vdc that produces...
time2roll's avatar
time2roll
Nomad
Mar 05, 2016
Voc may climb a bit higher than 108 in cold temperatures but should not exceed the 150v controller rating.

Use the string calculator to verify voltages and compatibility.
http://string-calculator.morningstarcorp.com/


If one panel is shaded the bypass diodes may cut the voltage 1 or 2 volts from the rest but the power still flows through just fine.

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