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ron_dittmer's avatar
ron_dittmer
Explorer III
Oct 13, 2014

Batteries: Two-6V In Series, or Two-12V In Parallel ???

Before spring I will be replacing our two 12V Walmart coach batteries. Our 7 year old rig has it's original Tripplite 2000 watt inverter/charger similar to THIS ONE. I was thinking of replacing the ...
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DiploStrat's avatar
DiploStrat
Explorer
Oct 13, 2014
ron.dittmer wrote:

So the 6V are twice that of 12V to begin with? Very interesting.


Not specifically. There is nothing about a 6v battery that gives it an inherently higher ampere hour rating, but, as a matter of fact, most manufacturers make larger 6v batteries than 12v batteries.

Consider this link to: Lifeline's AGM RV batteries

You will see that there is an overlap in the 100 - 200 Ah range, but if you want 300Ah and up, your only option would be a pair of 6v batteries.

Finally, a 12v, 250Ah battery weighs in at over 125 Lb. A pair of 6v at 60lb. each might be a lot easier to work with.

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