Not sure if they really are Samsung cells. According to a discription from the contacted manufacturer it is missing information in the wrap and on the cell itself.
-SAMSUNG SDI Confidential Proprietary –
Spec. No. INR18650-30Q
Version No. 0.0 Wanmook, Lim - 15/16 - Additional remarks ■
Cell package : The bare cell is packed by which packaging material, PET tube. ■
Model and tube marking : there are three lines on the cell tube as follows.
Line 1 : INR18650-30Q --- cell model name Line 2 : SAMSUNG SDI --- cell manufacturer
Line 3 : 2E11 --- date code (Capacity ; “2” is over 2.0Ah, Year, Month, Week) ■
Lot marking : There are three lines on the cell metal can as follows.
Line 1 : J0E1 --- 1st digit: Line number ( “1” for cylindrical line No.1, “J” for cylindrical line No. 8) 2nd digit: Final number of Model Name (“0” is INR18650-30x)
3rd digit: Year ( “E” is 2014)
4th digit: Month ( “1” is January ; A is Oct., B is Nov., C is Dec)
Line 2 : 61111 --- 1st digit: Negative coater number ( “6” is No. 6 coater)
2nd ~ 4th digit: Batch number
5th digit: Serial No. of assembling
Line 3 : H1E8 ---
1st digit: Date (“H” is 17th day ; 10 is A, 11 is B…) 2nd digit: Serial No. of winding in a batch
3rd digit: Reel No ( “E” is E reel ; A is A reel, B is B reel, ... F is F reel)
4th digit: Winding Machine No. ( “8” is No.8 winder)