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Delco Battery Date Code

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Old May 26, 2016 | 08:39 AM
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Default Delco Battery Date Code

I will be purchasing a Delco battery in the near future. I want to make sure that it's fresh stock. Is there a date code on it that I have to decipher or just a month and year stamp on it.
Thank you
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Old May 26, 2016 | 09:47 AM
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I think there is just a month and year stamped on it and then maybe a digit/letter for the plant code where it was manufactured as well.

Last edited by Iceman007; May 26, 2016 at 09:48 AM.
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Old May 26, 2016 | 10:05 AM
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I don't know if you have Bennett Auto Supply in PSL but they are a Delco distributor. You will always get a "fresh" battery from them....just checked yes you do. 230 SW Port St Lucie Blvd.

I just looked at the Delco in my Avey and I could not tell by any of the codes or markings a "date code" but I'm sure that there is a way because it says "do not remove this tag or warranty is void".

Last edited by jimmie jam; May 26, 2016 at 10:15 AM.
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Old May 26, 2016 | 10:09 AM
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I've looked at my Delco battery and frankly couldn't see anything obvious that said what the date of manufacture is.
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Old May 26, 2016 | 10:22 AM
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I thought it was just me that couldn't find the date code on the AC Delco GM battery.
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Old May 26, 2016 | 11:52 AM
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How about a Delco battery that's already on a car. I bought my 2011 GS in February and don't know if it has the original battery in it or not. Not having any probems, just curious if its the factory battery.
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Old May 26, 2016 | 12:39 PM
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Originally Posted by jimmie jam
I don't know if you have Bennett Auto Supply in PSL but they are a Delco distributor. You will always get a "fresh" battery from them....just checked yes you do. 230 SW Port St Lucie Blvd.

I just looked at the Delco in my Avey and I could not tell by any of the codes or markings a "date code" but I'm sure that there is a way because it says "do not remove this tag or warranty is void".
Thank you for the info. Usually the batteries have markings for the date code but I guess Delco makes it hard to decipher for their benefit.
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Old May 26, 2016 | 12:42 PM
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Originally Posted by Richard F
How about a Delco battery that's already on a car. I bought my 2011 GS in February and don't know if it has the original battery in it or not. Not having any probems, just curious if its the factory battery.
Mine is 7' up in the air so I can't check (sorry) but I do believe that the OEM factory battery is different in appearance and markings than a replacement. FWIW.

Last edited by jimmie jam; May 26, 2016 at 12:43 PM.
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Old May 26, 2016 | 04:14 PM
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They don't make it obvious but there is a code actually stamped into the top of the battery. The code info is here:

http://www.acdelco.com/content/dam/A...nformation.pdf
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Old May 26, 2016 | 04:33 PM
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Originally Posted by cclive
They don't make it obvious but there is a code actually stamped into the top of the battery. The code info is here:

http://www.acdelco.com/content/dam/A...nformation.pdf
Good info! Mine has "42205" on the label (professional series 60 mo)
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Old May 26, 2016 | 05:00 PM
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Originally Posted by jimmie jam
Good info! Mine has "42205" on the label (professional series 60 mo)
The code numbers are actually stamped into the plastic case...almost melted into the plastic and are fairly small letters.
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Old May 26, 2016 | 09:21 PM
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Originally Posted by cclive
They don't make it obvious but there is a code actually stamped into the top of the battery. The code info is here:

http://www.acdelco.com/content/dam/A...nformation.pdf
For some reason my iPhone could not open this. From what I gather after the first letter (p or s) the next 2 letters are the month and the next letter is the year

Last edited by enventr; May 26, 2016 at 09:22 PM.
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Old May 26, 2016 | 11:01 PM
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Sorry, I should have read it a little, the only important part is:

"How do I read the warranty date code on my battery?
The warranty date code is located on the top label of the battery. The first character is
either a P or S. The
next two digits determine the month, the third digit is year and the
fourth digit indicates the manufacturing plant. For example, P 094N means the battery was made in September 2014"

Cut from the document.
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Old May 27, 2016 | 05:20 AM
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Originally Posted by cclive
Sorry, I should have read it a little, the only important part is:

"How do I read the warranty date code on my battery?
The warranty date code is located on the top label of the battery. The first character is
either a P or S. The
next two digits determine the month, the third digit is year and the
fourth digit indicates the manufacturing plant. For example, P 094N means the battery was made in September 2014"

Cut from the document.
Thank you for clarifying
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Old May 27, 2016 | 11:57 AM
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Originally Posted by enventr
Thank you for clarifying
Android happy to help out an IOS guy...LOL
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Old May 27, 2016 | 04:44 PM
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Originally Posted by cclive
Android happy to help out an IOS guy...LOL
Lol.
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Old May 27, 2016 | 04:49 PM
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I've gone over the top of mine 4 times and can't find the code...I guess I'm "code less" in FLL. I'm guessing that it's just under one of the labels...

Last edited by jimmie jam; May 27, 2016 at 04:52 PM.
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Old May 27, 2016 | 05:26 PM
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Might be under a label...they definitely don't want to make it easy. I believe that they also stamp it on the side of the battery near the top edge...take a look all the way around.
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Old Feb 1, 2020 | 12:22 PM
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What is this build date?


Last edited by YO-EL; Feb 1, 2020 at 12:39 PM.
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Old Feb 1, 2020 | 02:27 PM
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I've been told, its in a military format I believe, day/month/year as the door sticker indicates a build date of 4/2016
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