Affected serial numbers are identifiable as follows:
- Locate the lot number for your EN-EL15 battery. Lot numbers are alphanumeric characters printed at the bottom of the name plate on the bottom of the battery as shown below.
Check the 9th digit of the lot number as indicated below.
- If the 9th digit of the EN-EL15 battery lot number is E or F then the battery needs to be replaced as it may be affected by this issue.
- If the 9th digit of the EN-EL15 battery lot number is A, B, C, D, G or any subsequent letter in the alphabet then the battery is safe to use.
This issue does not apply to EN-EL15 batteries supplied with the D7000 and Nikon 1 V1 purchased before February 29, 2012 or to batteries purchased individually before February 29, 2012.