Doug & Judy Stracener wrote:

> Slight dissenting opinion on paralleling batteries: ALL diesel
> vehicles generally have parallel 12VDC batteries to give the starting
> current necessary to start a cold diesel under compression. There is
> no problem with the batteries going whacko because of this.
>
> Point 2: Many solar panel storage batteries consist of multiple banks
> of parallel and series batteries to give huge storage capacity. No
> problem there.
>
> Batteries will attempt to balance themselves to some extent, but
> careful attention to maintenance and SG of the cells will prevent a
> system failure from happening.
>
> Doug

2nd the opinion. Many upscale RV manufacturers put two batteries (or more) in parallel. Airstream has done this since they move the batteries up front (on most models) since the late '70's.

Charlie