Vent Cap definitions

vent cap

component fitted into the filling hole of a cell with a provision of allowing the venting of electrolysis gas from the cell
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=482-05-23

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Vent Cap

(Battery) The plug on top of a cell that can be removed to check and change the level of the electrolyte.
Found on http://www.youngco.com/young2.asp?ID=4&Type=3

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