I am going to set up a new 12 voly system and am going to use 4 x 280 amp hour battiers together would like to make sure I have the right cabel to do it I have worked it out and think I need 95mm
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Hi @David2707
It all comes down to the maximum current that will pass through those cables.
So it depends on the maximum consumption and charging power.
Take a look at this: https://www.victronenergy.com/media/pg/The_Wiring_Unlimited_book/en/index-en.html
You can also find the PDF version on the victron website.
Alex
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