Filling Plug

The plug which fits in and closes the orifice of the filling tube in the cell cover.


Finishing Rate

The current in amperes at which a battery may be charged for twenty-four hours or more. Also the charging rate used near the end of a charge when cells begin to gas.



In battery manufacturing, formation is the process of charging the battery for the first time. Electrochemically, formation changes the lead oxide paste on the positive grids into lead dioxide and the lead oxide paste on the negative grids into metallic sponge lead.



Electro-chemical process of making pasted grid or other plate, types into storage battery plates. (Often confused with Developing.)


Freshening Charge

A charge given to a battery which has been standing idle, to keep it fully charged.

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