First, let me point out that my '84 7 passenger came from the factory
without a sealed or vented battery box for the MAIN battery.

My '85 Westy has the vented box for the main battery only.

I installed an ordinary group 41 battery as my aux battery under the
driver's seat in the Westy (box not sealed or vented) and I've had no
problems with fumes.  I have my aux battery feeding the interior lights,
the sound equipment, the cigar lighter, etc.

Mike

Gerald Masar wrote:
> For those who have installed a regular group 41 (or other size, same type) battery, do
> you have any problems or concerns with fumes, given that the compartment under the
> driver's seat is neither sealed nor vented.
>
> How does one figure out the amp/hour rating of a battery if it is not listed and the
> sales person hasn't the foggiest idea what you are talking about?
> Or, what are the approximate amp/hr ratings for run-of-the-mill group 41's and
> Optimas?
>
> Thanks,
> Jerry
>