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spezzez's avatar
spezzez
Explorer
May 06, 2015

Battery series/parallel questions...need advice/info

I mainly boondock camp vs hooking up in an rv park. I have a brand new fully charged Super Start Marine Deep Cycle 12-volt, 27-group battery; and a brand new fully charged Exide 12-volt, 24-group Deep...
westend's avatar
westend
Explorer
May 06, 2015
You only want to connect them in parallel. Connecting them in series will damage circuit boards and other devices in your trailer. Two dissimilar batteries will not charge/discharge 100% correctly but we all must do what budget allows.

Good info here at Battery University

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