My Bosch battery is vented through a small breather tube which vents through
the bottom of the van.  Don't know if it will prevent an explosion but has
always made me feel better.

Jim
91 Syncro AW

>I've always been paranoid of this happening. Frequently, I
>glance down at the proximity of the battery when I am about to start and
>try to sheild my eyes!
>
>Any ideas on why this battery exploded?
>What can a guy do to prevent this?
>