Parallel
If you connect the batteries in series (+ to -) then you ADD the voltage. Which would mean 24V in this case. Connecting in parallel (+ to + & - to -) will ADD the Amps only and keep the batteries at 12V. Connect the plus to plus and neg to neg and you (as well and all of your 12V appliances) will be very happy.
Larry
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In life outdoors...Take only pictures, leave only footprints.
Larry & Veronica <><
2002 2720 (SOLD)
2016 KZ Spree Connect C250BHS
2003 Chevy Tahoe
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