Hello, you are bidding on 9 RFA-67 with lithium battery six vote replacements new in sealed packaging these 9 batteries were originally a 10 pack.The expiration date is noted on the top of the package and the expiration date or best.The 4 date is June 28th 2029. Please feel free to ask any questions you may have.I also have one other listing a doubt about animal pet collar batteries.If you are interested in that, please message me and I will combine shipping.Thank you for looking