Battery Wiring

[caymaanedge]

Trying to install some Big Battery 12v 170AH batteries in parallel, four actually. The batteries have Anderson SB175 connectors, but according to my calculations I want to run 4/0 cable which is too big for the connector. I would need to go to the SB350 connector. The batteries have 4awg inside leading to the terminals but once I join them together I need a larger ampacity. Perhaps I should try and then them out?
Any suggestions? TIA

 

[John Frum]

Use 4 awg or 2 awg from the batteries to a busbar
Then 4/0 from the busbar to the rest of your system.

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