These batteries are not sealed against the release of hydrogen gas that is
generated during the charging process. I once tested for the concentration
of gas in the battery area in a cash drawer enclosure of an electronic cash
register and found a very high level - less than what is required for
ignition, but still high enough that we added vent holes in order to prevent
flying drawers - that would be a surprise for the clerk!
----------
From: Gary McInturff [SMTP:gary.mcintu...@worldwidepackets.com]
Sent: Friday, May 04, 2001 1:59 PM
To: EMC-PSTC (E-mail)
Subject: Back to batteries
Do sealed Gel-lead acid batteries really require vented
enclosures?
If so why, they don't vent like the "liquid" lead acid batteries do
they?
Thanks -
Gary
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