# Determining battery age

**URL:** https://community.electricforum.com/t/determining-battery-age/3749
**Category:** EV Small Talk
**Created:** [September 11, 2013, 4:43pm UTC](https://community.electricforum.com/t/determining-battery-age/3749 "2013-09-11T16:43:59Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![lvzfyr](https://avatars.discourse-cdn.com/v4/letter/l/c0e974/32.png) [@lvzfyr](https://community.electricforum.com/u/lvzfyr)
#### Post date: [September 11, 2013, 4:43pm UTC](https://community.electricforum.com/t/determining-battery-age/3749/1 "2013-09-11T16:43:59Z")

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My OEM batterries have a J2 label on them. Some people have said the letter designates the month and the number designates year. Would a J2 be October 2002 or October 2012?

Thanks for any input