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.
![RV Electricity – Just Ask Mike (J.A.M.): Can I connect 6- and 12-volt batteries together? - RV Travel RV Electricity – Just Ask Mike (J.A.M.): Can I connect 6- and 12-volt batteries together? - RV Travel](https://www.rvtravel.com/wp-content/uploads/2020/01/6-and-12-volt-battery-hookup.jpg)