What I've found really handy is to have a universal plug on the output line
of my 150w solar panel.   Those two prong plugs that are incorporated into
battery tenders, chargers, etc...   That way I can use my solar panel for
various applications using different ends without re wiring the
connections......   I use an end with  battery cable clamps for loose
batteries, I use a lighter plug end when going into my van or another car's
system.  You could hardwire a female end of one of those connectors hanging
off almost any where from your vanagon and not have to open a window to
insert the lighter plug....Hey, I gotta do that before my winter's
journey....Hang a pig tail out on both sides somewhere unobtrusive...Most
of those come with false plug/caps to keep the contacts clean.   LIke maybe
directly off both batteries, coming out in the wheel wells or
something...Hmmm.

On Sun, Oct 13, 2013 at 2:24 PM, turbowesty <turbowesty@gmail.com> wrote:

> Separate controllers for each panel sounds reasonable� Since my current
> panel is tiny (10W) I'll be happy to set it up in a way that will continue
> to trickle charge the battery and augment it with a proper portable panel
> setup rather than trying to couple them.
>
> Regards, Peter Kraiker
> nextchapter.kraikerphoto.com
> Toronto, ON, Canada
> '82 L Westfalia 1.9 TD 5 Spd (Babe)
>
>
>
>
>
> On 2013-10-13, at 12:52 PM, Loren Busch <starwagen@GMAIL.COM> wrote:
>
> >  RE: Controller on folding solar panel kits
> > There should be no problem connecting a second controller to your
> battery.  But don't run the new panels into the existing controller unless
> you bypass the controller already attached to the panels.
>