These are high quality genuine cr2450 batteries from reputable brands. (Not all will be Panasonic) same quality as you would get from a main dealer such as Mercedes as a replacement key fob battery. All with at least 2 years minimum expiration date and all quality controled to 3v. I also have cr2016, cr1632 and cr2032 batteries please msg if interested in other sizes instead of whats listed. Listings is for 2x cr2450 batteries. Thanks
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