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Originally Posted by vegasruv24.1
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If you’re installing the panels yourself, look at Amazon:
- 100 watt monocrystelinne flex panels are $125. Windy Nation Brand is popular and trusted. But there are many China options to choose from.
Fasten with eternabond tape. Simple, clean install.
Weigh just a few pounds.
But generally only a 5 yr warranty and not as efficient as solid panels due to heat build up underneath
- 100 watt solid mono panels as low as $99.
Now you need to decide on how to mount. There are plastic mounts ($25-30) that can be glued onto the roof or fastened with screws. The mounts allow for air circulation underneath panel for cooling.
The solid panels weight 16+ pounds and have a 20-25 yr warranty.
Solid panels are the most solar efficient option
Finally, based on your controller, you need to decide if the panels are to be wired “in series” or “in parallel”
While you’re at it, most switch to 6 volt batteries if you don’t already have them.
All of the info is on-line