I use  1/4 inch thick rubber ..
industrial grade floor mats maybe.
I want to be hyper sure it can never touch the metal lid.
I usually keep the stock plastic vw type positive terminal cap too.

----- Original Message -----
From: "Dave Mcneely" <mcneely4@COX.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, July 08, 2010 9:42 AM
Subject: battery compartment

> As we all know, the battery compartment of the vanagon is under the
> passenger seat.  It is covered with a metal lid.  What do you folks do to
> insure that this lid never contacts the battery terminals?  The thing has
> screws to fasten it in place, but seems capable of coming loose and
> becoming a conductor.  I considered a pad made of an old inner tube, or
> something similar.
>
> Thanks,  David McNeely