Renewable Energy Questions/Discussion > Wiring and Code discussion

Battery inter-connect sizing

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madlabs:
Hi All,

Getting close to switching over to 48V from 12V system. The new inverters are on the wall and I am starting to trudge through wiring the whole mess up.

Anyhoo, I will have 8 * 6V golf cart batts. Eventually there will be 3-4 similar banks in parallel. What size should I use for the battery inter-connects? Seems that 2/0 should be enough. Please don't tell me I need 4/0 like I ran to the inverter.

Jonathan

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