With all this talk of portable setups. It's got me thinking of one too. Here's the panels I'm interested in: Two 140W 12V panels. I saw where someone hinged a couple of panels together and put a handl...
I am suggesting that the Op's idea of 280w may be good in summer if he leaves two batts at home taking the half ( 370AH) with him, but 280w may not be enough if he takes all four (740AH) and stays out two or three weeks. I don't find 130w is enough for 715AH and usage of 70AH/day, where most days are half cloudy.
I am still getting experience with all this, but have enough now to issue the warning I did. YMMV of course. Perhaps others will be able to report their real life examples.
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