Parallel 12volt, more capacity then AH rating? 2.7 x's more!

pianotuna wrote:
For a power pole princess even a tiny utility battery would work.

Not always - lose campsite power and you're running on battery so the more capacity you have the better. How far one wants to go with this though depends on what it's worth to the individual to have more batteries, larger batteries, more capacity, but at greater cost. ;)