Amazon is offering a 2-pack of Renogy 320W 24V Monocrystalline Solar Panels for $655.55 shipped. Down from $777 at Amazon, this marks one of the best prices that we’ve seen so far this year.

especially the choice between monocrystalline or polycrystalline solar panels. Efficiency, cost and durability hinge on your choice of the type of solar panel.

I recently wrapped up testing of a pretty compelling combination: the Rockpals 300W ... cover the solar panel will function, although not quite as well. Rockpals says the monocrystalline panels ...