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    I could really use some help getting my system parameters figured out. I am always going over voltage.

    Hello. I have already set up my first solar system and it works great most of the time. However, in the day time, my system always produces too much power and forces my inverter to go into high voltage protection and shut off. I don't know exactly where I am going wrong here. My SCC should be...
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    What happens to excess power produced by panels after batteries are full?

    Hi there. Super noob here. I just got my first solar system set up and I had a question about where my excess power is going. I looked around the forum and couldn’t find exactly what I was looking for so if anyone could answer my question in layman's terms I would be very grateful. My panels...
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    Just bought raw Lifepo4 cells. Wondering What to Use for Terminal Studs.

    Hi everyone, I recently purchased these cells for my first DIY Solar System. The cells do not come with terminal studs. Just a threaded hole. I'm trying to find a threaded rod or bolt to use as a stud but I'm not sure which material I need to use. Because It's pretty difficult to find threaded...
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    How much total system loss (roughly) can I expect from start to finish?

    Howdy! I just finished reading Will's book cover to cover and at on page 26 he mentions that with a "properly designed system" one could expect to see a 50% total loss when it's all said and done. (100w solar panel would only produce 50w of usable power) This seems very extreme. From what I've...
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    I've hit a wall whist building my first system. Having a hard time sizing my system.

    Hi. I'm trying to build my very first RV system and I have run into a bit of a wall. I plan to be quite comfortable with a ~1200-1400w array and ~2400wh of battery storage. My original plan was to buy 6 used 230w SanTan Solar Panels for a total of 1380w to use on my 12v system. These panels are...
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