A:Answer IDK about your specific product, and it seems important if used for a hearing aid, but I buy small watch style etc types of batteries from BB all the time and have never had expiration issues. Sometimes the batteries have expiration dates on the battery so if you buy in store, just open it up at the register, who cares about the people behind you, and if it's expired or close to it return it right then and there and basically go anywhere else is what I would do in that position.
