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diy solar

Wire size for parallel between 2 24v 280ah packs?

How to Ask a Question is something you may want to consider....
Because I have Long Runs (11 feet) I use 4/0 from Inverter/Charger through the Common DC Bus to the battery packs terminals.
All Battery Wires (+&-) are EQUAL LENGTH and bound together to reduce EFI & Noise. Also want no Mag Fields.
I use ONLY Southwires Premium Fine Wire Welding Cables "Royal Excelene Welding Cable" See table below for Ampacity Handling and Strand info.

FYI: I can charge up to 175A and when charging above 125A the cables do begin to warm up, by 150A they are fairly warm. I have yet to get them hot, even when I force Testest with 200A during my Thrash Testing process (System hardening and edge case limit tests).

Excelene-Wire-Info.JPG
 
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