They do work and work well. We use them on our floor polishers because
the custodians are bad about checking water levels before putting them
on the charger. These L16s (28 of them) get discharged below 50% every
night and the chargers are heavy duty Triplite 3 stage commercial units.
The maintenance supervisors check the level every month and acording
to their logs only add water occasionally. Before we went to Hydrocaps
he had to check them twice a week.

I believe there is a little strip of platinum in the cap that acts as a
catalyst to recombine the hydrogen with oxygen before it vents.

You do have to remove them before equalizing or they will get
overwhelmed and you have to take care not to get acid up inside them.

Cost wise I believe they were well worth it. We paid right at $600 for
90 of them and our battery replacement costs have been cut in half over
the 3 years we have used them.

BTW, we use Kroger and Publix distilled water. :-)


BOEING377 wrote:
Do those so called catalytic battery caps actually work? The are supposed to
use a catalyst recombine outgassing molecules back into H2O which drips back
into the battery cell. I am sceptical.


--
Glenn Ashmore

I'm building a 45' cutter in strip/composite. Watch my progress (or lack
there of) at: http://www.rutuonline.com
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