diy solar

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    Reverse protection diode on PV input to MPPT

    I am in the process of revamping the solar build on my trailer and as part of that have been looking at adding a few safety improvements. In particular, I installed an SAE solar port through the side of my trailer to support connecting a portable solar panel to augment the panels on my roof...
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    Specific products for wiring inverter, AC/DC charger & transfer switch

    I am in the final stages of getting my solar, lithium, inverter setup going for my RV and I am having difficulty finding the products I would need to solve the shore-line/inverter to ATS to AC/DC charger wiring. I cannot be the first person to want to do this and I am hoping that someone here...
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    Does anyone know where one can buy a 100W Jaboni solar panel?

    I am looking to wire in a 2nd 100W Jaboni panel to boost the PV voltage to my MPPT controller (there is a factory installed 100W Jaboni panel already), but the only place that I've found that sells them whats around $260 for a 100W panel. It would be cheaper to rip off the Jaboni panel and buy...
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    Does a charger *really* have three stages?

    All the product manuals and literature out there talk about the charger having three (sometimes four) "stages" - bulk, absorption and float (sometimes by different names). But here is the piece that I am puzzling about. For DC circuits, V=IR. The charger cannot change that rule and "R" is the...
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    Parallel Solar Panels - one fixed, one portable

    I am considering expanding the solar power available to my trailer by adding a side port to attach a portable solar panel. The portable panel, when plugged in, would be wired in parallel with the fixed panel that is mounted on the roof. I have a concern about how to wire the panels, MPPT...
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    Converting TravelTrailer lead-acid to LiON (w/ Solar, AC/DC & DC/DC)

    I am looking to buy a travel trailer this month (hopefully) and am planning on replacing the lead-acid battery with LiON (I have ordered a SOK 206AH battery based on Will Prowse's breakdown of that battery - of course, it hasn't been shipped yet). While I understand the basic issues that need...
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