Multiplus wire size

moonlitsouls

Solar Enthusiast
Joined
Jan 4, 2021
Messages
408
So I have 4/0 between the multi and my busbars but I only have 2 awg from battery to busbar , do I need to upgrade that too?
 

rmaddy

Full-time Solar-powered Trailer Life
Joined
Nov 16, 2019
Messages
1,678
Location
USA
What battery voltage? I would guess 12V if the 3000VA MultiPlus recommended 4/0. So yes, you really need 4/0 at the batteries.
 
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