Exide Age Code
Since October, 1917, the date of shipment of Exide batteries from the factory, or from Exide Deposts has been stamped on the top of the first inter-cell connector from the negative end of the batter instead of on the nameplate figures are used to indicate the dates, as follows:
All Philadelphia batteries shipped prior to April 1, 1920 and all batteries shipped from depot stock after this date carry double letter branding. The first battery is the factory date and the second letter in this code indicates latest month during which the guarantee may begin.
Batteries sold direct from Philadelphia to all classes of customers after April 1, 1920, carry the single letter branding code, indicating month of manufacture.
The letters used in the double letter age code are selected from the table given above, and the second letter is the important one, since it gives the latest date from which adjustment can be made. If a Philadelphia battery with a double letter age code comes in, therefore, the foregoing table should be consulted in determining the age of the battery.
If a Philadelphia battery with a single letter age code comes in, the following table should be consulted in determining the age of the battery: