Diehard battery date code?

[sdowney717]

Diehard battery date is stamp melted into the top side edge
Can someone tell me when it was made


https://tipsfolder.com/read-date-code-diehard-battery-b741386247ea7edd5631855660f2cafa/

oLU4GHUA can you read this ridiculous stamping

 

[sdowney717]

For one thing, I know this battery must be 3 years or less old. It is in perfect shape, holds a charge, and is super clean looking on the inside. 12.68v sitting volts
It did need some water added.
It was bought at Advance Auto Silver series 35 A1

Here it is
https://shop.advanceautoparts.com/p...50-P?msockid=27a2102d418d686a05df047c408a69d9

 

[FowVay]

Look on the top of the battery. The date for the battery should be there. The number you're showing is a case manufacturing code and not necessarily the date the battery was manufactured.

The top of the battery should have a 4 or 5 digit code burned into it that will decipher to the date of manufacturer.

 

[sdowney717]

Code is 3NJB

The battery is like new. When was it made?

 

[sdowney717]

No easy match up of this code
I tend to think made in 2023 and December, there is no N in any codes I saw, they end with M.

Backend of this story, someone left this at Walmart parking lot. I thought get 10$ or so as store credit from AA or AZ.

Looked inside and it is pristine, perfect looking, no damaged plates, no swelling, no corrosion, although was super dried out, plates showing with just a little bit of water sloshing over them.

Added a lot of DI water, charged it up, volts read good.

My thought, someone's car charging system is overcharging their batteries. They swapped it out in Walmart parking lot, an almost new battery.