{"id":184470,"date":"2025-09-30T16:56:19","date_gmt":"2025-09-30T23:56:19","guid":{"rendered":"https:\/\/www.carparts.com\/blog\/?p=184470"},"modified":"2025-09-30T16:56:22","modified_gmt":"2025-09-30T23:56:22","slug":"where-is-the-expiration-date-located-on-a-car-battery-its-not-there","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/where-is-the-expiration-date-located-on-a-car-battery-its-not-there\/","title":{"rendered":"Where Is the Expiration Date Located on a Car Battery? It\u2019s NOT There"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>\n<div class=\"summary-widget\">\n    <h3>Summary<\/h3>\n    <ul class=\"summary-grid\">\n            <li class=\"summary-grid-list\">\n            <div class=\"sm-item\">\n\n                                    <p class=\"sm-title\">\n                        While flashlight batteries have an expiration date, car batteries don&rsquo;t. The &ldquo;expiration date&rdquo; isn&rsquo;t the date posted  on a car battery. The date of manufacture is what&rsquo;s posted on a car battery.                    <\/p>\n                \n            <\/div>\n        <\/li>\n        <\/ul>\n<\/div>\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"952\" height=\"1024\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2025\/09\/car-battery-sticker-952x1024.jpg\" alt=\"car battery sticker\" class=\"wp-image-184471\"><figcaption class=\"wp-element-caption\">Be careful not to misinterpret the date on a car battery. It is not the expiration date. | Image Source: Richard McCuistian<\/figcaption><\/figure>\n\n\n\n<p><strong>You&rsquo;ll never find the expiration date on a car <a href=\"https:\/\/www.carparts.com\/battery\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery\">battery<\/a> because there isn&rsquo;t one. Instead, there&rsquo;s a date of manufacture.<\/strong><\/p>\n\n\n\n<p>The date of manufacture is the most common date you&rsquo;ll find. It&rsquo;s usually printed as a sticker, stamped code, or engraved on the case. Formats vary by brand, but common examples include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&ldquo;B23&rdquo; = February 2023 (B = February, 23 = 2023)<\/li>\n\n\n\n<li>&ldquo;0322&rdquo; = 3rd week of 2022<\/li>\n\n\n\n<li>&ldquo;7KZ&rdquo; = October 2017 (K = October, 7 = 2017)<\/li>\n<\/ul>\n\n\n\n<p>There is no true expiration date posted on a car battery. Car batteries don&rsquo;t have a fixed expiration date because their <a href=\"https:\/\/www.carparts.com\/blog\/how-long-does-a-car-battery-last-on-average\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"lifespan\">lifespan<\/a> depends on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Storage conditions (heat, humidity, charge level)<\/li>\n\n\n\n<li>Usage patterns (frequent short trips vs. long drives)<\/li>\n\n\n\n<li>Maintenance (corrosion, terminal cleaning, etc.)<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>You&rsquo;ll never find the expiration date on a car battery because there isn&rsquo;t one. Instead, there&rsquo;s a date of manufacture&#8230;. <a href=\"https:\/\/www.carparts.com\/blog\/where-is-the-expiration-date-located-on-a-car-battery-its-not-there\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":86079,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1034,52,3758],"tags":[73],"ppma_author":[2607,2985],"class_list":{"0":"post-184470","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-auto-repair","8":"category-diy","9":"category-electrical-system","10":"tag-battery","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Where Is the Expiration Date Located on a Car Battery? 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Read more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/where-is-the-expiration-date-located-on-a-car-battery-its-not-there\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2025-09-30T23:56:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-30T23:56:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/battery-of-a-car.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/where-is-the-expiration-date-located-on-a-car-battery-its-not-there\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/where-is-the-expiration-date-located-on-a-car-battery-its-not-there\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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