Although our battery warranty is for one year and it is based on the contract date of MCs that the batteries are used in, it is sometimes necessary to know the manufacturing date of the batteries.

R is the 6th character which is 2008

C is the 7th character which is Dec.

20 is the 8th and 9th characters with is the 20th.

This battery was manufactured 12/20/2008

Here is the special decoder information.

For year:

Q=07

R=08

S=09

T=10

For Month

1=Jan

2=Feb

3=Mar

4=Apr

5=May

6=Jun

7=Jul

8=Aug

9=Sep

A=Oct

B=Nov

C=Dec

For day is it numeric

For example 01,02,03…10,11,…20,21…30,31.