Preferred way to wire 4 12v batteries in parallel to equalize load and charging - Grand Design Owners Forums
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12 Volt Parallel Battery Connection Kit (RCE12VBPK) Lithium Compatible | Connect-Ease. Get Connected Connect all your marine equipment with ease.
![battery charging - Which output terminals to use in parallel connection - Electrical Engineering Stack Exchange battery charging - Which output terminals to use in parallel connection - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/3mUZw.png)