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Battery Connections

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I do not recall the issue, but with 3 12 VDC batteries to make one bank of 12 VDC, connect all the positives together and all the negatives together. Connect the positive of battery #1 to house positive and negative of battery #3 to house ground/neutral.

Yes, there are very slight improvements for more "balanced" cable connections, but this one is simple and will give you 95% of the more complex arrangements.

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