DDN Storage SFA7700X - Page 19

© 2016 DDN STORAGE. P/N 15-000836-001 SFA7700 CMOS and Backup Battery Replacement Instructions | 19
Figure 23 – Serial number with date code information
The tables that follow break down the date code into year, month, and day of the battery pack’s
manufacture.
Year/Month/Day (YMD) = Date of Manufacture
Year
Code
Month
Code
Month
Code
Month
Code
2014
4
2015
5
2016
6
2017
7
2018
8
2019
9
2020
0
2021
1
Table 1 – Battery pack year code information
M = Month of Manufacture
Month
Code
Month
Code
Month
Code
Month
Code
Jan
1
Apr
4
Jul
7
Oct
A
Feb 2 May 5 Aug 8 Nov B
Mar 3 Jun 6 Sep 9 Dec C
Table 2 – Battery pack month codes
D = Day of Manufacture