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Thread: Monocrystaline or Polycrystaline solar cells?

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    Default Monocrystaline or Polycrystaline solar cells?

    Let's say I don't care about size. I realise the poly's are less efficient per square metre, but if I had two "X" watt panels, one mono one poly, will they both put out the same amp level on a cloudy day or will one be better than the other? Also does Sun angle matter more on one type than the other?



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    Quote Originally Posted by Learjet View Post
    Let's say I don't care about size. I realise the poly's are less efficient per square metre, but if I had two "X" watt panels, one mono one poly, will they both put out the same amp level on a cloudy day or will one be better than the other? Also does Sun angle matter more on one type than the other?
    It's a pretty close call these days but physical size doesn't bother you then poly's are generally known to be more efficient in lower light levels.
    Although there is very little in physical size these days.

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    Just make sure you're comparing poly vs. mono, and not amoprhous vs. crystalline (poly or mono)

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    Thanks for the replies. Yes comparing poly vs mono both crystalline.

    Now that you mention amorphous, how do they compare? The ones I've seen are huge for the power output and I've heard their lifespan is shorter but getting better as technology advances. How do amorphous panels compare in lower light levels?

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