In the Canadian market, in some years, I'm told the Weekender package came with an electric cooler, and sometimes there was an auxiliary battery to power it.  I don't know which years, or if all the ones with the cooler had the aux battery, or if this set-up ever got imported into the USA.

James
Ottawa
'91 Westy Weekender (aux-battery-less, but that will change)

> Date: Tue, 23 Jun 2015 20:53:32 -0700
> From: dn92610@GMAIL.COM
> Subject: Re: What do you use solar or an aux battery for?
> To: vanagon@GERRY.VANAGON.COM
> 
> I had weekender (sold now).. it has a 2nd battery under the driver and
> never figure out why... sorry...
> 
> my only guess is the weekender is a pre-product or a post-product of a full
> camper westy and the 2nd battery is ... well just there for no real
> purpose...
> :-)
> 
> On Tue, Jun 23, 2015 at 8:47 PM, Tyler Hardison <tyler@seraph-net.net>
> wrote:
> 
> > So if the extra battery is for fridge and accessories, why does the
> > weekender have one?
> >
> > On Tuesday, June 23, 2015, Dan N <dn92610@gmail.com> wrote:
> >
> >> I am considering getting a fridge/freezer (ARB, Engel, Luna etc..) but I
> >> am
> >> not sure it's worth the effort..
> >>
> >> - a battery (more weight)
> >> - wiring for charging and the such
> >> - solar panel and wiring
> >>
> >> that and a good marine cooler with ice or dry ice...
> >>
> >> :-)
> >>
> >