Samsung baterries code

eddie_dready · 2019-12-23T01:14:46.000Z

So in this battery the code says that is was made in S. Korea in the 4th week of December 2017.

But what does the number 3 means?

d_t_a · 2019-12-23T01:34:56.000Z

Maybe can check the codes underneath the pink wrapper (they should still be a bit visible when looking closely), then refer to this thread on how to decode them:

Samsung date codes Rechargeable Batteries

Does anyone know how the date codes on Samsung cells translate? Thanks, Marc.

HydrAxx · 2019-12-23T21:54:38.000Z

It’s the revision number of this model of cell, same as 2, 5 or 6 on Samsung INR18650-25R.

RobertB · 2019-12-24T03:27:08.000Z

That code says production date is Monday December 04 2017. First week in Dec.

18650 Battery | BATTERY BRO

18650 Date Code Lookup Tool

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eddie_dready · 2019-12-25T10:54:58.000Z

Thanks guys.

RobertB:

That code says production date is Monday December 04 2017. First week in Dec.

18650 Date Code Lookup Tool – 18650 Battery | BATTERY BRO

The last digit of the code (the 4 digits code) refers to week. Therefore its value is 1-5 (1st, 2nd, 3rd, 4th, 5th week of the month).