Dating batteries

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Apr 14, 2008 | 10:20 AM

OldMetal

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Joined: Feb 2008

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From: US/Baja border

Dating batteries

Anybody out there know how to read the code on interstate batteries to tell when they were made?
I used to know but seem to be messing it up for some reason.
Thanks

Apr 14, 2008 | 10:27 AM

rbaker6336

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From: Blairsville,Ga

most batteries have a round dot sticker with something like D07 which would be april of 2007
the alpha are the month followed by year

Apr 14, 2008 | 10:42 AM

shoot4fun

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From: Richland, MO

That'd be the way. Our brand uses alpha-numerics as well. Letter code corresponds to month, number means year. A5=January 2005. J6=October 2006 etc... Round sticker somewhere on the case.

Apr 14, 2008 | 10:53 AM

SuperSnake

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From: North of Normal

Great. Now I know how to do this. I'll write it down in my book so I don't forget.

Apr 14, 2008 | 12:43 PM

OldMetal

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From: US/Baja border

Thanks guys, that's what I thought but the other day I was cleaning under the hood and looked at mine and it said B2 and I thought no way but looking back I guess it could be. I just never had a battery last that long but I think I will go get a new one instead of seeing just how lond it will last.

Apr 14, 2008 | 01:45 PM

Mil1ion

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That could be the battery style #

Look for a "branded" date into the plastic case.

It can be anywhere but should have the complete date Year Month Day

Apr 14, 2008 | 01:49 PM

rbaker6336

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Joined: Feb 2007

Posts: 7,191

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From: Blairsville,Ga

Quote:

Originally Posted by Mil1ion

That could be the battery style #

Look for a "branded" date into the plastic case.

It can be anywhere but should have the complete date Year Month Day

I've never had a battery a with anything but the dot is years,before that they had the punch outs

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Apr 14, 2008 | 02:10 PM

Don S.

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Joined: Aug 2007

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From: Washington state

Car and Deep Cycle Battery FAQ, Battery Manufacturers and Brand Names List, and

Look up section 7, and then 7.6 Battery freshness. The Dots you pop out are for warrenty dating, the branded alpha numeric code is the date code for when the battery was made.