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Hello everyone! This is my first post on this wonderful forum after many months of reading and learning. I feel so lucky to have been able to benefit from all the knowledge on this website. With all that I've learned so far I've designed a penny-pinching but powerful solar system that will fit...

That battery box is a work of art, I love it. How necessary do you think the rod going over the top of the cells was? I'm also curious how you worked out how to tighten the rods to the correct pressure. I'm very near to building a similar system, I actually just posted about it yesterday. I was...

Is there any advantage to having a fuse/breaker between solar panels and solar charge controllers? From my understanding, a malfunctioning panel will only produce less current than its closed circuit current and so there should be no need for a fuse/breaker to protect the components.

I'm not sure I see the logic in your calculations for the minimum solar panel array Vmpp. Firstly, I would say that it would be better to consider the actual MPPT controller output when it is providing absorption voltage to the battery, rather than the battery voltage itself. For a 12V battery...