2 Pack CR1616 1616 TIANQIU Lithium 3v Battery USA Free SHIP FRESH Devices: KEY FOBS WATCHES HEARING AIDS USB THERMOMETER LED LIGHTS LASER POINTERS TOYS CONTROLLERS SCALES MAGNIFYING GLASS AND MANY MORE  ** INVOICE WILL BE INCLUDED with ORDER  ** ADD NOTE w/order: If you would like a Blind shipment (NO INVOICE)   This Brand "TIANQIU" does have an expiration date printed on the package. (12/2027) But there is only one date per 5 pack, so if you buy less than a 5 pack you may not get a printed date.   I personally rotate my stock and have had very few issues.  I guarantee the product to work.  If you do encounter an issue? Please contact me first, so I can resolve your issue.  "Contact seller" is the best way to message me.    Quick shipping from Ohio  CHECK OUT PHOTOS FREE SHIPPING - This is economy mail or first-class mail with a stamp.  USPS states: Please allow 2-10 working days for delivery.  (Also take into consideration - Federal Holidays, weather conditions) FREE SHIPPING = NO TRACKING # The option to pay for shipping will have Tracking # 100% POSITIVE FEEDBACK is my Goal. VIEW SLAMDUNK330 OTHER LISTINGS AND AUCTIONS BID OR BUY WITH CONFIDENCE  WE GUARANTEE EVERYTHING WE SELL - USE THE "CONTACT SELLER" IF YOU HAVE AN ISSUE OR QUESTION.