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teeznu's avatar
teeznu
Explorer
Apr 19, 2016

Solar Panels- Wired in Series vs. Parallel question

So the debate between wiring panels in Series or Parallel. Please tell me the benefits of wiring either way and if there are negatives, please educate me on that as well. Thanks to those that respon...
pianotuna's avatar
pianotuna
Nomad III
Apr 21, 2016
Sam if you are doing #4 wire vs #10 wire the price difference is significant. Now jump to 4/0 and the price is definitely not low.

My own system is mppt with a nominal input voltage of 33. That allowed me to use the #10 prewire.

John, since morningstar says for ideal input they don't want more than 15 volts to pwm I would go for the slightly more expensive mppt unit--provided it has a temperature sensor on the battery bank.

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