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Re: Battery Vent



ALL lead-acid batteries, including "maintenance free" ones, need venting.
The *only* type of lead-acid batteries that do not vent gasses are the
sealed recombinant gas batteries, such as those used in computer UPS units.


> Most the batteries I've purchased for the type 44 car didn't have the
> drain tube connector.  Maybe it is because those batteries 
> are "called"
> maintenance free batteries and are not vented.