Battery Basics

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DATE CODE EXCEPTIONS

DELCO - Freedom, Voyager, and some Sears brands:
The code dates are stamped on the cover, usually near the posts. The first character represents the year (0-9) and the second shows the month (A-M, skipping I). For example, 4CN1 would stand for 1994, March.
EXIDE - Napa Legend, Edge, Power-Tron and Titan: The fourth or fifth character may be a letter code for the month and the following character a number code for the year (i.e. RO8F3B stands for June 1993).