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Old 08-25-2015, 08:03 PM   #1
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Battery date code help please

I believe my starter battery in my RV is crap. However, I cannot find verifiable information on how to decipher the battery date/code. Can anyone help? If I'm reading the code right, it would've been made in 05, however the lable says it's a Johnson Controls product and they didn't own Everstart in 05.

The code is 5C05AY1B

Thanks y'all!

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Old 08-25-2015, 09:08 PM   #2
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Take a look at the attached and see if it will help. According to it, Johnson Controls has a 4-digit code and Exide has a 6-digit date code. Is the code you posted heat-stamped into the case?

Also, this is supposedly how to decipher the date on an Everstart:

How to Read Code on Everstart Batteries

Attached Files
File Type: pdf battery_date_code_info.pdf (101.3 KB, 1076 views)

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Old 08-25-2015, 10:34 PM   #3
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I should have pointed out that you should go to #4 in the "Battery Freshness Guide" which is attached above (battery date code info). #4 gives you the explanations as to the date code that is stamped into the batter case/cover of the various manufacturers.
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Old 08-26-2015, 03:06 AM   #4
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I would verify the alternator is working correctly and you are getting the correct voltage to the battery. If that is the case, just replace the battery.
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Old 08-26-2015, 04:35 PM   #5
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Everstart is just a private label name for a line of batteries sold through Walmart. It is not "owned by" Johnson Controls - the Everstart distribution network buys batteries from whomever they choose (lowest price, I'm sure). Any given battery size or type may come from a different supplier. The two primary suppliers for Everstart label are Johnson Controls and Exide, but they don't warranty them. That's between you and Walmart.
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Old 08-27-2015, 11:11 PM   #6
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If the battery still has the bar code on it, take it to Walmart. They will scan it and tell you the date.

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