*Expiration 2031* Up for sale are 2 new bulk Energizer CR2450 3 volt lithium batteries. You will receive 2 batteries. Batteries are shipped in mini resealable bags to prevent short circuiting during transit. All batteries are brand spanking new. Please view 4th picture to see date of manufacture which is circled. (04/21) Shelf life 10 years. 7th picture you can slightly see the UU stamp on the batteries. Please note that the batteries will each have UU stamped on them which is the code date for the year of April 2021. (0421) And with a shelf life of 10 years would give you a best use by date of April 2031. Larger orders we reserve the right to ship them in their original trays. A full tray consist of 100 batteries. 300 batteries per box. Items ship as USPS first class rigid letters containing a hazardous item. Please allow 2-14 days for this type of parcel. Tracking is not available for rigid letter rates. Only a number linked as a proof of postage payment. (not a tracking number) Battery Cell Size Coin 24.5mm Size / Dimension 0.96" Dia x 0.20" H (24.5mm x 5.0mm) Capacity 620mAh Voltage - Rated 3V Buy with confidence from a trusted Ebay seller.You may pay securely with Paypal. Thanks for looking.