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Looked around online and on this forum and did not find a straight-forward answer, but I'm sure it exists. Feel free to link to another post/article if you know of one. Question: how does one size cables between batteries and output loads in a 48v system? I am very familiar with 12v systems...

Ok - question for everybody here - not sure if this is the correct sub-forum... I'm helping somebody setup a basic off-grid solar system. They have a bank of SeaWill brand, nickel iron batteries, that they bought from somebody used. I've done lots of lithium-based van/trailer setups, but never...

(Seemingly) simple question that I'd like some clarification on: somebody I'm helping has 3 residential panels that I am looking to wire in to a battery system. My plan was to wire them in a series, however that would put the total output right around 140v - requiring a more expensive charge...