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    Do solar panels age the same if they are producing as they do when disconnected?

    I have some 13 year old panels that have been exposed to the sun but not connected for several years. Would they be the same as those in constant use? How about if they were stored out of the sun but still the same age?
  2. S

    Why don't inverter/charger makers list cut off/cut on voltages to maintain at least 110vac?

    I need to buy 48v charger/inverter support a 400w load that will cut off before ac voltage drops below 110v & cut back on at 1 or 2 vdc greater with no beeping, only switching. It can be preset or user defined, but this speck is not listed that I can find. What is the deal here?
  3. S

    questions on ground mounted 1960w solar system with 4 ea. 12v lifepo4 batts. in a 48v config using an 80a PWM solar charger & a 12v 2000w inverter

    I was given the 8 solar panels after they were removed from a roof needing replaced. They are 245 w units about 13 years old with a 25 year lifetime. I mounted them on a frame that can be tilted to get optimal sun angle. Obviously I need to upgrade to a 48v inverter as my 12v unit only uses...
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