2 Pack AG4 PKCELL 377 SR626SW LR66 LR626 1.5V Button Battery Free Ship US Expiration Date 12 / 2025 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 "PKCELL" does have an expiration date printed on the package. (12/2025) But there is only one date per 10 pack, so if you buy less than a 10 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 days for delivery. (Also take into consideration - Federal Holidays, weather conditions) FREE SHIPPING = NO TRACKING # (economy mail = first-class mail with a stamp) The option to pay for shipping will have Tracking # (buyer must pay additional shipping fee's for shipping to have a tracking #) 100% POSITIVE FEEDBACK is my Goal. VIEW SLAMDUNK330 OTHER LISTINGS AND AUCTIONS BID OR BUY WITH CONFIDENCE