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The commonly available panels are Polycrystalline, Monocrystalline & Amorphous. The modern version of amorphous is 'Thin film' flexible panels, but these are still priced far higher than the other panels & could only be considered an option if cost is not an important factor & the need for flexible panels is paramount.
TD is correct about 'traditional' Amorphous, quite a lot larger per watt which is a problem for folks who want them for mobile installations as the the amount of 'real estate' to mount or store them is limited.
Of Polycrystalline & Monocrystalline, generally Mono is more efficient. Historically it has been more expensive than Poly, but in recent times with the advent of cheap panels on eBay etc the pricing is now quite similar. Efficiency is more important where installation space is limited. On a large home roof without the space limitations of a vehicle Poly may be more cost effective.
I am informed by folks who watch these things, that now might be a good time to buy solar, the industry, internationally, is going through an 'adjustment', & it is quite likely that we will see prices rise in the not too distant future.
Cuppa
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@ once disturbed, your 80 watt panel should cover your power needs ,
Your LED lighting will use very little power and 4.5ah approx return an hour in good conditions
should cover your fridge use. I take it your battery is 100ah, and thats only one battery
with 2 even better.
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100w panel with 80ah battery, yet to test it fully
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