{"id":5309,"date":"2025-10-01T12:48:46","date_gmt":"2025-10-01T04:48:46","guid":{"rendered":"https:\/\/www.flywing-tech.com\/blog\/?p=5309"},"modified":"2025-11-09T02:46:11","modified_gmt":"2025-11-08T18:46:11","slug":"everything-you-need-to-know-about-the-cr1620-battery","status":"publish","type":"post","link":"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/","title":{"rendered":"CR1620 Battery: Applications, Technical Specs, and Equivalents"},"content":{"rendered":"<div class=\"fsc_text\"><p><span style=\"font-weight: 400\">Open up a car key fob, fitness tracker, or compact medical device, and you\u2019ll likely find a CR1620 battery powering it.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">This CR1620 battery may be small, but it has earned a reputation as a preferred choice in electronics that demand long-lasting, dependable energy.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">The reason is simple: the CR1620 combines durability, a stable 3-volt output, and compact size, making it ideal for devices where reliability matters and space is limited.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Today, CR1620 coin cells power over 10 billion wearable and remote-control devices worldwide, underscoring their ubiquity in key fobs, fitness trackers, medical sensors, and countless other gadgets.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Backing this growth, the global coin cell battery market was valued at <\/span><a href=\"https:\/\/www.zionmarketresearch.com\/report\/coin-cell-batteries-market\"><span style=\"font-weight: 400\">USD 4.89 billion in 2024<\/span><\/a><span style=\"font-weight: 400\"> and is projected to grow at a 6.3% CAGR through 2034.<\/span><\/p>\n<p><span style=\"font-weight: 400\">In this guide, we\u2019ll explore everything you need to know about the CR1620 battery, including its technical specifications, performance profile, and typical applications.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">We\u2019ll also cover the many equivalent models and replacements available and share real-world case studies that highlight why choosing the right supplier makes all the difference.<\/span><\/p>\n<hr \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\r\n<div class=\"ez-toc-title-container\">\r\n<h2 class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/h2>\r\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #023a85;color:#023a85\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #023a85;color:#023a85\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\r\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#what_is_a_cr1620_battery\" >What Is a CR1620 Battery?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#cr1620_battery_technical_specifications\" >CR1620 Battery Technical Specifications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#performance_discharge_characteristics\" >Performance &amp; Discharge Characteristics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#applications_and_use_cases\" >Applications and Use Cases<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#common_equivalent_labels_cross-references\" >Common Equivalent Labels &amp; Cross-References<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#case_study_comparing_cr2450_vs_cr1620_batteries\" >Case Study: Comparing CR2450 vs CR1620 Batteries<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#safety_storage_best_practices\" >Safety, Storage &amp; Best Practices<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#final_thoughts\" >Final Thoughts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr1620-battery\/#frequently_asked_questions_faq\" >Frequently Asked Questions (FAQ)<\/a><\/li><\/ul><\/nav><\/div>\r\n<h2><span class=\"ez-toc-section\" id=\"what_is_a_cr1620_battery\"><\/span><span style=\"font-weight: 400\">What Is a CR1620 Battery?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">The CR1620 battery is a compact, non-rechargeable lithium coin cell designed to deliver dependable power in small electronic devices.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5311 size-full\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture1-3.png\" alt=\"CR1620 Battery 3V lithium coin cell\" width=\"280\" height=\"421\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400\">The name provides a quick breakdown of its dimensions: \u201cCR\u201d stands for lithium manganese dioxide (Li\u2013MnO\u2082) chemistry, while the numbers <\/span><span style=\"font-weight: 400\">indicate its size \u2014 16.0 mm in diameter and 2.0 mm in thickness.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">This slim profile makes the CR1620 a go-to choice for applications where space is limited but reliable voltage is critical.<\/span><\/p>\n<table>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Diameter<\/th>\n<th>Thickness<\/th>\n<th>Voltage<\/th>\n<th>Capacity<\/th>\n<th>Common Use<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CR1616<\/td>\n<td>16 mm<\/td>\n<td>1.6 mm<\/td>\n<td>3 V<\/td>\n<td>55 mAh<\/td>\n<td>Small watches<\/td>\n<\/tr>\n<tr>\n<td><strong>CR1620<\/strong><\/td>\n<td>16 mm<\/td>\n<td>2.0 mm<\/td>\n<td>3 V<\/td>\n<td>75\u201381 mAh<\/td>\n<td>Key fobs, trackers<\/td>\n<\/tr>\n<tr>\n<td>CR1632<\/td>\n<td>16 mm<\/td>\n<td>3.2 mm<\/td>\n<td>3 V<\/td>\n<td>130 mAh<\/td>\n<td>Car remotes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"cr1620_battery_technical_specifications\"><\/span><span style=\"font-weight: 400\">CR1620 Battery Technical Specifications<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The CR1620 battery may look simple on the surface, but every specification is carefully engineered to balance compactness, reliability, and long-term stability.<\/p>\n<p>The following table summarizes key CR1620 battery specifications, including voltage, capacity, chemistry, and size. Engineers and buyers can use these values when selecting or cross-referencing equivalent models.<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Parameter<\/b><\/td>\n<td><b>Typical Range \/ Value<\/b><\/td>\n<td><b>Notes<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Chemistry<\/b><\/td>\n<td><span style=\"font-weight: 400\">Lithium Manganese Dioxide (Li\u2013MnO\u2082)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Proven, stable, primary lithium chemistry (non-rechargeable).<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Nominal Voltage<\/b><\/td>\n<td><span style=\"font-weight: 400\">3.0 V<\/span><\/td>\n<td><span style=\"font-weight: 400\">Starts at ~3.2 V open-circuit, stabilizes at 3.0 V under load.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Capacity<\/b><\/td>\n<td><span style=\"font-weight: 400\">~75\u201381 mAh<\/span><\/td>\n<td><span style=\"font-weight: 400\">Panasonic cells ~75 mAh; Energizer datasheet lists up to 81 mAh.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Dimensions<\/b><\/td>\n<td><span style=\"font-weight: 400\">16.0 mm (diameter) \u00d7 2.0 mm (height)<\/span><\/td>\n<td><span style=\"font-weight: 400\">The \u201c1620\u201d designation reflects size: 16 mm \u00d7 2.0 mm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Weight<\/b><\/td>\n<td><span style=\"font-weight: 400\">~1.2\u20131.3 g<\/span><\/td>\n<td><span style=\"font-weight: 400\">Lightweight, ideal for wearables and compact devices.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Internal Resistance<\/b><\/td>\n<td><span style=\"font-weight: 400\">Low (varies with brand and state of charge)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Enables pulse currents for remotes and RF devices.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Operating Temperature<\/b><\/td>\n<td><span style=\"font-weight: 400\">\u201330 \u00b0C to +60 \u00b0C (some rated up to +70\u201385 \u00b0C)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Reliable across winter and summer extremes.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Self-Discharge Rate<\/b><\/td>\n<td><span style=\"font-weight: 400\">~1\u20132% per year<\/span><\/td>\n<td><span style=\"font-weight: 400\">Retains &gt;90% charge after 5 years in storage.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Shelf Life<\/b><\/td>\n<td><span style=\"font-weight: 400\">7\u201310 years<\/span><\/td>\n<td><span style=\"font-weight: 400\">Excellent for long-term stocking or emergency use.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>ANSI \/ IEC Designation<\/b><\/td>\n<td><span style=\"font-weight: 400\">5009LC \/ CR1620<\/span><\/td>\n<td><span style=\"font-weight: 400\">Internationally recognized standard.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Typical Applications<\/b><\/td>\n<td><span style=\"font-weight: 400\">Key fobs, wearables, medical devices, calculators, memory backup<\/span><\/td>\n<td><span style=\"font-weight: 400\">Low-drain devices with occasional pulse loads.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-start=\"342\" data-end=\"377\"><strong>Chemistry &amp; Voltage Profile<\/strong><\/h3>\n<p data-start=\"379\" data-end=\"674\">The CR1620 battery uses lithium manganese dioxide (Li\u2013MnO\u2082) chemistry \u2014 the same proven formulation found in popular coin cells like the CR2032 and CR2450.<br data-start=\"542\" data-end=\"545\" \/>This chemistry provides a stable 3.0 V nominal output and excellent long-term reliability across most of the discharge cycle.<\/p>\n<p data-start=\"676\" data-end=\"980\">When new, the cell typically measures about 3.2 V open-circuit. Once placed under load, it quickly stabilizes near 3.0 V, maintaining that level through nearly all of its service life.<\/p>\n<p data-start=\"676\" data-end=\"980\">Only near depletion does the voltage drop sharply below <strong data-start=\"927\" data-end=\"936\">2.5 V<\/strong>, the usual cutoff point for most devices.<\/p>\n<p data-start=\"982\" data-end=\"1140\">This flat discharge plateau ensures dependable voltage regulation in precision electronics such as timekeeping modules, medical sensors, and key fobs.<\/p>\n<h3 data-start=\"1147\" data-end=\"1178\">Capacity, Size &amp; Weight<\/h3>\n<p data-start=\"1180\" data-end=\"1273\">Depending on the manufacturer, a CR1620 coin cell delivers 75 \u2013 81 mAh of capacity.<\/p>\n<ul data-start=\"1274\" data-end=\"1357\">\n<li data-start=\"1274\" data-end=\"1319\">\n<p data-start=\"1276\" data-end=\"1319\"><strong data-start=\"1276\" data-end=\"1289\">Panasonic<\/strong> rates its CR1620 at 75 mAh.<\/p>\n<\/li>\n<li data-start=\"1320\" data-end=\"1357\">\n<p data-start=\"1322\" data-end=\"1357\"><strong data-start=\"1322\" data-end=\"1335\">Energizer<\/strong> lists up to 81 mAh.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1359\" data-end=\"1532\">While that\u2019s modest compared to larger cells like the CR2450 (~620 mAh), it\u2019s optimized for compact, low-drain devices where space and weight efficiency matter most.<\/p>\n<p data-start=\"1534\" data-end=\"1768\">The model number itself describes its size \u2014 16.0 mm diameter \u00d7 2.0 mm thickness \u2014 and it weighs only 1.2 \u2013 1.3 g.<br data-start=\"1656\" data-end=\"1659\" \/>This ultra-slim form factor enables use in wearables, medical instruments, and miniature remote controls.<\/p>\n<h3 data-start=\"1775\" data-end=\"1829\"><strong>Performance, Shelf Life &amp; Operating Conditions<\/strong><\/h3>\n<p data-start=\"1831\" data-end=\"2221\">Built for versatility, the CR1620 operates reliably in a wide range of environments: \u201330 \u00b0C to +60 \u00b0C, with premium variants rated as high as +70 \u00b0C to +85 \u00b0C.<\/p>\n<p data-start=\"1831\" data-end=\"2221\">At low temperatures, internal resistance rises slightly and effective capacity dips, but brand-name cells (Panasonic, Murata, Energizer) still perform well in automotive key fobs and RF devices during winter.<\/p>\n<p data-start=\"2223\" data-end=\"2605\">A major advantage of this chemistry is its ultra-low self-discharge rate which is typically 1\u20132 % per year.<\/p>\n<p data-start=\"2223\" data-end=\"2605\">Even after five years in storage, a CR1620 retains over 90 % of its original capacity, giving it a practical shelf life of 7\u201310 years.<\/p>\n<p data-start=\"2223\" data-end=\"2605\">This makes it ideal for both consumer electronics and industrial applications where long-term reliability is critical.<\/p>\n<h3 data-start=\"2612\" data-end=\"2659\"><strong data-start=\"2616\" data-end=\"2659\">Internal Resistance &amp; Pulse Performance<\/strong><\/h3>\n<p data-start=\"2661\" data-end=\"2875\">Although designed for low-drain use, the CR1620\u2019s low internal resistance allows it to deliver short, high-current pulses,\u00a0such as the bursts needed by RF transmitters or remote-control key fobs.<\/p>\n<p data-start=\"2877\" data-end=\"3209\">For instance, it can supply pulse currents in the 6\u201310 mA range without significant voltage drop, ensuring consistent signal transmission even after years of use.<\/p>\n<p data-start=\"2877\" data-end=\"3209\">However, devices drawing continuous currents above 15 mA will quickly exhaust the cell, so the CR1620 is best suited to intermittent-load applications.<\/p>\n<h2><a href=\"https:\/\/www.flywing-tech.com\/product-detail\/batteries-non-rechargeable-primary-murata-electronics-cr1620-62aac6ff\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5334\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/10\/cr1620-battery-flywing-inquiry.png\" alt=\"cr1620 battery flywing inquiry\" width=\"2160\" height=\"270\" \/><\/a><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"performance_discharge_characteristics\"><\/span><span style=\"font-weight: 400\">Performance &amp; Discharge Characteristics<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"482\" data-end=\"782\">The performance of a CR1620 battery depends not only on its compact size and 75\u201381 mAh capacity but also on how steadily it maintains voltage under different loads and environments.<\/p>\n<p data-start=\"482\" data-end=\"782\">Below is a breakdown of the main performance factors:<\/p>\n<p data-start=\"482\" data-end=\"782\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5312 size-full\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture2-3.png\" alt=\"Performance and Discharge Characteristics\" width=\"624\" height=\"416\" \/><\/strong><\/p>\n<h3 data-start=\"789\" data-end=\"824\"><strong data-start=\"793\" data-end=\"824\">Voltage Behavior Under Load<\/strong><\/h3>\n<p data-start=\"826\" data-end=\"1151\">A fresh CR1620 coin cell typically measures \u2248 3.2 V open-circuit. Once placed under load, it stabilizes near 3.0 V and maintains this level for the majority of its life.<\/p>\n<p data-start=\"826\" data-end=\"1151\">This steady output creates the flat discharge plateau visible in manufacturer graphs \u2014 a hallmark of lithium-manganese-dioxide chemistry.<\/p>\n<p data-start=\"1153\" data-end=\"1421\">Only near the end of its cycle does voltage fall quickly below <strong data-start=\"1216\" data-end=\"1225\">2.5 V<\/strong>, signaling depletion and the need for replacement.<br data-start=\"1276\" data-end=\"1279\" \/>Such consistency is why the CR1620 is trusted in <strong data-start=\"1328\" data-end=\"1383\">timekeeping circuits, medical sensors, and key fobs<\/strong>, where voltage stability is critical.<\/p>\n<h3 data-start=\"1590\" data-end=\"1628\"><strong data-start=\"1594\" data-end=\"1628\">Pulse Load &amp; Burst Performance<\/strong><\/h3>\n<p data-start=\"1630\" data-end=\"1950\">Despite its size, the CR1620 can deliver short high-current bursts when a device transmits a signal \u2014 for instance, a car remote, RFID tag, or Bluetooth tracker.<\/p>\n<p data-start=\"1630\" data-end=\"1950\">These pulses may draw tens of milliamps for a few milliseconds, yet the cell\u2019s low internal resistance prevents significant voltage sag.<\/p>\n<ul data-start=\"1952\" data-end=\"2171\">\n<li data-start=\"1952\" data-end=\"2031\">\n<p data-start=\"1954\" data-end=\"2031\">Performs reliably for <strong data-start=\"1976\" data-end=\"2002\">intermittent RF bursts<\/strong> and <strong data-start=\"2007\" data-end=\"2029\">remote activations<\/strong><\/p>\n<\/li>\n<li data-start=\"2032\" data-end=\"2100\">\n<p data-start=\"2034\" data-end=\"2100\">Typical pulse current capability: <strong data-start=\"2068\" data-end=\"2079\">6\u201310 mA<\/strong> without major drop<\/p>\n<\/li>\n<li data-start=\"2101\" data-end=\"2171\">\n<p data-start=\"2103\" data-end=\"2171\">Continuous loads above <strong data-start=\"2126\" data-end=\"2135\">15 mA<\/strong> will shorten runtime considerably<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2173\" data-end=\"2296\">This pulse behavior is the main reason CR1620 cells remain the standard for remote-control and access-system batteries.<\/p>\n<h3 data-start=\"2303\" data-end=\"2338\"><strong data-start=\"2307\" data-end=\"2338\">Self-Discharge &amp; Shelf Life<\/strong><\/h3>\n<p data-start=\"2340\" data-end=\"2682\">The CR1620 battery offers an exceptionally low self-discharge rate of around 1\u20132 % per year at room temperature.<\/p>\n<p data-start=\"2340\" data-end=\"2682\">Even after five years, it retains over 90 % of its original capacity, supporting a 7\u201310 year shelf life \u2014 ideal for devices that remain unused for long periods or for bulk storage in commercial settings.<\/p>\n<h3 data-start=\"2689\" data-end=\"2732\"><strong data-start=\"2693\" data-end=\"2732\">Temperature &amp; Environmental Effects<\/strong><\/h3>\n<p data-start=\"2734\" data-end=\"2889\">The CR1620 operates reliably across \u201330 \u00b0C to +60 \u00b0C, with high-grade variants tested up to +85 \u00b0C.<\/p>\n<p data-start=\"2734\" data-end=\"2889\">Performance shifts slightly with environment:<\/p>\n<div class=\"_tableContainer_1rjym_1\">\n<div class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2891\" data-end=\"3242\">\n<thead data-start=\"2891\" data-end=\"2921\">\n<tr data-start=\"2891\" data-end=\"2921\">\n<th data-start=\"2891\" data-end=\"2903\" data-col-size=\"sm\">Condition<\/th>\n<th data-start=\"2903\" data-end=\"2912\" data-col-size=\"md\">Effect<\/th>\n<th data-start=\"2912\" data-end=\"2921\" data-col-size=\"sm\">Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2955\" data-end=\"3242\">\n<tr data-start=\"2955\" data-end=\"3072\">\n<td data-start=\"2955\" data-end=\"2975\" data-col-size=\"sm\"><strong data-start=\"2957\" data-end=\"2974\">Cold (&lt; 0 \u00b0C)<\/strong><\/td>\n<td data-start=\"2975\" data-end=\"3029\" data-col-size=\"md\">Higher internal resistance, temporary capacity drop<\/td>\n<td data-start=\"3029\" data-end=\"3072\" data-col-size=\"sm\">Still functions in key fobs and sensors<\/td>\n<\/tr>\n<tr data-start=\"3073\" data-end=\"3160\">\n<td data-start=\"3073\" data-end=\"3094\" data-col-size=\"sm\"><strong data-start=\"3075\" data-end=\"3093\">Heat (&gt; 60 \u00b0C)<\/strong><\/td>\n<td data-start=\"3094\" data-end=\"3132\" data-col-size=\"md\">Faster self-discharge, shorter life<\/td>\n<td data-start=\"3132\" data-end=\"3160\" data-col-size=\"sm\">Avoid prolonged exposure<\/td>\n<\/tr>\n<tr data-start=\"3161\" data-end=\"3242\">\n<td data-start=\"3161\" data-end=\"3181\" data-col-size=\"sm\"><strong data-start=\"3163\" data-end=\"3180\">High humidity<\/strong><\/td>\n<td data-start=\"3181\" data-end=\"3205\" data-col-size=\"md\">Seal degradation risk<\/td>\n<td data-start=\"3205\" data-end=\"3242\" data-col-size=\"sm\">Store in dry conditions (5\u201325 \u00b0C)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"3244\" data-end=\"3412\">When stored properly, the CR1620 maintains its rated performance for nearly a decade, making it dependable for industrial, medical, and consumer applications alike.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"applications_and_use_cases\"><\/span><span style=\"font-weight: 400\">Applications and Use Cases<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">The CR 1620 battery has become a standard choice in modern electronics where small size, stable voltage, and long life are critical. Its balance of compact form and dependable performance makes it suitable for a wide spectrum of applications.<\/span><\/p>\n<p><span style=\"font-weight: 400\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5324 aligncenter\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/10\/Powers-Honda-Lexus-Toyota-key-fobs.-Long-life-3\u20134-years-per-cell.-Low-self-discharge-ensures-standby-reliability.-Performs-even-in-cold-winter-conditions.-1.png\" alt=\"Applications and Use Cases\" width=\"767\" height=\"747\" \/><\/span><\/p>\n<h3><span style=\"font-weight: 400\">Automobile Key Fobs and Remote Entry Systems<\/span><\/h3>\n<p><span style=\"font-weight: 400\">One of the most visible uses of the CR 1620 battery is in automotive keyless-entry fobs.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Car manufacturers such as Honda, Lexus, and Toyota design their remote entry systems around CR1620 cells, leveraging their ability to last several years while still delivering strong bursts of current for RF transmissions.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A typical car key fob remains in standby mode most of the time but requires instant power when unlocking doors or activating alarms.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Therefore, the CR1620\u2019s low self-discharge rate ensures that even if you use your fob only occasionally, the battery won\u2019t run flat prematurely.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A Honda CR-V key fob is rated to function for up to 3\u20134 years on a single CR1620 battery, even in mixed climates where winter temperatures can drop well below freezing.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Automotive service centers often recommend CR1620 replacements specifically because of their predictable discharge profile and durability in cold conditions.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Watches, Wearable Electronics, and Medical Sensors<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Compact gadgets such as digital watches, pedometers, heart-rate monitors, and fitness trackers rely on coin cells that can deliver stable voltage over years of intermittent use.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">The CR1620 battery\u2019s slim 2.0 mm height makes it perfect for wearable form factors, while its 70\u201380 mAh capacity ensures extended runtimes without frequent replacements.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Medical devices such as glucometers, blood-pressure monitors, and electronic thermometers also use CR1620 batteries.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">In these contexts, reliability is non-negotiable: a sudden voltage drop could disrupt readings or data storage.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">The long shelf life of up to 10 years ensures these devices remain operational even when kept in storage for extended periods.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Memory Backup and RTC (Real-Time Clock) Support<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Many electronic devices include a real-time clock (RTC) or small memory modules that require continuous low-current power to preserve settings.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">CR1620 batteries are commonly used as backup power sources in motherboards, data loggers, and portable instruments.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Thanks to their stable voltage curve, CR1620s maintain system clocks and memory without interruption, even after years of standby.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Remote Controls, Portable Devices, and LED Gadgets<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Beyond automotive use, the CR 1620 battery is also found in TV\/DVD remote controls, RFID keycards, handheld calculators, and miniature LED flashlights or toys.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">These devices typically draw very little current but must remain reliable on demand.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">The CR1620\u2019s ability to handle short pulse loads without significant voltage drop makes it ideal for such applications.<\/span><\/p>\n<p><span style=\"font-weight: 400\">For example, a handheld RFID keycard might draw microamps in standby but requires a sharp current burst to transmit when scanned.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">CR1620 batteries meet these demands while keeping the device compact and lightweight.<\/span><\/p>\n<p><span style=\"font-weight: 400\">When substituting or sourcing a\u00a0CR1620 battery, you\u2019ll often see multiple alternative designations and rechargeable variants.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">But not every \u201cequivalent\u201d is truly interchangeable. Let\u2019s dive deeper into what works, what doesn\u2019t, and under what conditions.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"common_equivalent_labels_cross-references\"><\/span><span style=\"font-weight: 400\">Common Equivalent Labels &amp; Cross-References<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Many brands and standards bodies use alternate labels for the same 3.0 V, 16 mm \u00d7 2.0 mm coin cell. These equivalents are usually safe substitutions, provided you check capacity, performance, and authenticity. Lets talk about each equivalents:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Label<\/b><\/td>\n<td><b>Who uses it \/ Context<\/b><\/td>\n<td><b>Chemistry family<\/b><\/td>\n<td><b>Notes<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>CR1620<\/b><\/td>\n<td><span style=\"font-weight: 400\">Generic IEC designation (used by many brands)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-MnO\u2082 (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">The standard name; 3.0 V nominal, 16 \u00d7 2.0 mm.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>DL1620<\/b><\/td>\n<td><span style=\"font-weight: 400\">Duracell code<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-MnO\u2082 (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Duracell\u2019s branding for CR1620; same size\/voltage.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>ECR1620<\/b><\/td>\n<td><span style=\"font-weight: 400\">Energizer code (also seen as \u201cCR1620\u201d)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-MnO\u2082 (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Energizer\u2019s datasheets often list \u201cECR1620\u201d; fully cross-compatible.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>BR1620<\/b><\/td>\n<td><span style=\"font-weight: 400\">Panasonic \u201cBR\u201d series and some others<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-(CF)_n (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Same size\/voltage; BR chemistry favors long life &amp; heat stability but has <\/span><b>lower pulse capability<\/b><span style=\"font-weight: 400\"> vs CR. Check device requirements.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>5009LC<\/b><span style=\"font-weight: 400\"> (a.k.a. <\/span><b>5009<\/b><span style=\"font-weight: 400\">, <\/span><b>NEDA\/ANSI<\/b><span style=\"font-weight: 400\">)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Standards cross-reference<\/span><\/td>\n<td><span style=\"font-weight: 400\">\u2013<\/span><\/td>\n<td><span style=\"font-weight: 400\">Standards code that points to CR1620 form\/voltage.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>GP CR1620 \/ GPCR1620<\/b><\/td>\n<td><span style=\"font-weight: 400\">GP Batteries product code<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-MnO\u2082 (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Brand-specific SKU for a standard CR1620.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>KCR1620<\/b><span style=\"font-weight: 400\">, <\/span><b>280-208<\/b><span style=\"font-weight: 400\">, <\/span><b>L08<\/b><\/td>\n<td><span style=\"font-weight: 400\">Occasional vendor codes<\/span><\/td>\n<td><span style=\"font-weight: 400\">Li-MnO\u2082 (primary)<\/span><\/td>\n<td><span style=\"font-weight: 400\">Less common labels seen in cross-reference lists; verify datasheet but typically point to CR1620 size\/voltage.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400\">Some part numbers look close but aren\u2019t compatible:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">CR1616: Same diameter, thinner (1.6 mm) \u2192 unreliable contact, lower capacity.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">CR1632: Same diameter, thicker (3.2 mm) \u2192 usually won\u2019t fit; can stress the holder.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">CR2016 \/ CR2025 \/ CR2032: Different diameter (20 mm) \u2192 not compatible with 16 mm holders.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Unbranded \u201c1620\u201d with vague specs: May deviate in chemistry or have high leakage\/poor pulse response.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"case_study_comparing_cr2450_vs_cr1620_batteries\"><\/span><span style=\"font-weight: 400\">Case Study: Comparing CR2450 vs CR1620 Batteries<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">Although both the <a href=\"https:\/\/www.flywing-tech.com\/blog\/everything-you-need-to-know-about-the-cr2450-battery\/\">CR2450<\/a> and CR1620 are lithium manganese dioxide (Li\u2013MnO\u2082) coin cells with a 3.0 V nominal voltage, they serve very different applications due to differences in capacity, size, discharge behavior, and internal resistance.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Understanding their strengths helps manufacturers, engineers, and consumers choose the right cell for their devices.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Feature<\/b><\/td>\n<td><b>CR2450<\/b><\/td>\n<td><b>CR1620<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Nominal Voltage<\/b><\/td>\n<td><span style=\"font-weight: 400\">3.0 V<\/span><\/td>\n<td><span style=\"font-weight: 400\">3.0 V<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Typical Capacity<\/b><\/td>\n<td><span style=\"font-weight: 400\">~620 mAh<\/span><\/td>\n<td><span style=\"font-weight: 400\">~81 mAh<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Dimensions<\/b><\/td>\n<td><span style=\"font-weight: 400\">24.5 mm diameter \u00d7 5.0 mm height<\/span><\/td>\n<td><span style=\"font-weight: 400\">16.0 mm diameter \u00d7 2.0 mm height<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Weight<\/b><\/td>\n<td><span style=\"font-weight: 400\">~6.8 g<\/span><\/td>\n<td><span style=\"font-weight: 400\">~1.3 g<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Typical Drain (Continuous)<\/b><\/td>\n<td><span style=\"font-weight: 400\">0.39 mA @ 2.9 V<\/span><\/td>\n<td><span style=\"font-weight: 400\">0.06 mA @ 2.9 V<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Pulse Drain<\/b><\/td>\n<td><span style=\"font-weight: 400\">9.0 mA @ 2.7 V (300 \u03a9)<\/span><\/td>\n<td><span style=\"font-weight: 400\">6.5 mA @ 2.6 V (400 \u03a9)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Operating Temp<\/b><\/td>\n<td><span style=\"font-weight: 400\">\u201330 \u00b0C to +60 \u00b0C<\/span><\/td>\n<td><span style=\"font-weight: 400\">\u201330 \u00b0C to +60 \u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Self-Discharge<\/b><\/td>\n<td><span style=\"font-weight: 400\">~1% \/ year<\/span><\/td>\n<td><span style=\"font-weight: 400\">~1% \/ year<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Energy Density<\/b><\/td>\n<td><span style=\"font-weight: 400\">183 mWh\/g<\/span><\/td>\n<td><span style=\"font-weight: 400\">164 mWh\/g<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3><b>Discharge Characteristics<\/b><\/h3>\n<p><b>CR2450 (High-Capacity Cell)<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5313 size-full\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture3-2.png\" alt=\"CR2450 Discharge Characteristics\" width=\"624\" height=\"380\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">At a continuous load of 7.5 k\u03a9 (0.39 mA), the CR2450 delivers <\/span><b>~1,590 hours<\/b><span style=\"font-weight: 400\"> of service before hitting the 2.0 V cutoff.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Its discharge curve remains very flat around 3.0 V for most of its life, only dipping sharply at the end.<\/span><\/li>\n<li style=\"font-weight: 400\">This makes it ideal for <b>medium-drain devices<\/b> (e.g., digital cameras, LED beacons, smart sensors) that require long runtimes and larger current bursts.<\/li>\n<\/ul>\n<p><b>CR1620 (Compact Cell)<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5314\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture4-2.png\" alt=\"CR1620 Discharge Characteristics\" width=\"624\" height=\"383\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">At a continuous load of 47 k\u03a9 (0.06 mA), the CR1620 delivers <\/span><b>~1,337 hours<\/b><span style=\"font-weight: 400\"> before cutoff.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Despite its much lower capacity, the CR1620 exhibits a similar flat discharge plateau, ensuring stable voltage in low-drain devices.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Best suited for <\/span><b>small electronics<\/b><span style=\"font-weight: 400\"> like watches, key fobs, and medical instruments, where space-saving is critical.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">The CR2450 provides nearly <\/span><b>8x the capacity<\/b><span style=\"font-weight: 400\"> of the CR1620, but the smaller cell matches it in voltage stability within its load range.<\/span><\/p>\n<h3><b>Internal Resistance &amp; Pulse Behavior<\/b><\/h3>\n<p><b>CR2450<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5315\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture5-2.png\" alt=\"CR1620 Pulse Behaviour\" width=\"624\" height=\"473\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Maintains lower internal resistance throughout its discharge, meaning it handles higher pulse loads (9 mA) with minimal voltage sag.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Suitable for devices needing frequent RF bursts or LED flashes.<\/span><\/li>\n<\/ul>\n<p><b>CR1620<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5316\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/09\/Picture6-1.png\" alt=\"CR1620 Pulse Behaviour\" width=\"624\" height=\"463\" \/><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Internal resistance starts lower but rises faster as capacity depletes (visible in the datasheet graph).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Can handle pulses of ~6.5 mA briefly, but sustained or frequent pulses shorten its life.<\/span><\/li>\n<li style=\"font-weight: 400\">Well-suited for occasional pulse demands, like unlocking a car fob or logging sensor data.<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">For <\/span><b>pulse-heavy applications<\/b><span style=\"font-weight: 400\">, CR2450 outperforms CR1620 significantly. However, CR1620 still handles occasional RF bursts reliably for years in low-drain devices.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"safety_storage_best_practices\"><\/span><span style=\"font-weight: 400\">Safety, Storage &amp; Best Practices<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">A <\/span><b>CR1620 battery<\/b><span style=\"font-weight: 400\"> is designed for reliability, but like any lithium coin cell, it must be handled, stored, and disposed of responsibly to ensure both safety and longevity.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Improper handling can shorten its lifespan, cause leaks, or in extreme cases, pose safety hazards.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Below are the key best practices every user or commercial buyer should know.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">Safe Handling<\/span><\/h3>\n<p><span style=\"font-weight: 400\">CR1620 batteries are stable under normal use, but they should never be subjected to misuse:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Avoid short circuits:<\/b><span style=\"font-weight: 400\"> If the positive (+) and negative (\u2013) terminals are bridged by metal objects like keys, coins, or jewelry, the battery may rapidly discharge, heat up, and potentially vent.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Keep away from heat and flames:<\/b><span style=\"font-weight: 400\"> Exposing the cell to direct heat, fire, or attempting to incinerate it can cause rupture or leakage.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Do not puncture, crush, or solder directly:<\/b> Damaging the casing compromises the seal and can cause electrolyte leakage.<\/li>\n<li style=\"font-weight: 400\"><b>Never attempt to recharge:<\/b><span style=\"font-weight: 400\"> CR1620 is a <\/span><b>primary (non-rechargeable)<\/b><span style=\"font-weight: 400\"> lithium coin cell. Charging may cause overheating, leakage, or explosion.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Child safety:<\/b><span style=\"font-weight: 400\"> Button cells pose a serious ingestion hazard. If swallowed, they can cause chemical burns within hours. Always store and dispose of them safely and use child-resistant packaging where possible.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">Storage Guidelines<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Proper storage ensures the CR1620 battery maintains its rated shelf life:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Ambient conditions:<\/b><span style=\"font-weight: 400\"> Ideal storage is between 5 \u00b0C and 25 \u00b0C with low humidity. Avoid prolonged exposure to temperatures above 30 \u00b0C.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Keep in packaging until use:<\/b> Original blister packs prevent accidental discharge and protect against environmental exposure.<\/li>\n<li style=\"font-weight: 400\"><b>Shelf life:<\/b><span style=\"font-weight: 400\"> High-quality CR1620 batteries retain <\/span><b>90\u201395% of charge after 5 years<\/b><span style=\"font-weight: 400\"> and can last <\/span><b>7\u201310 years in storage<\/b><span style=\"font-weight: 400\">, thanks to their very low self-discharge rate (&lt;1% per year at room temperature).<\/span><\/li>\n<li style=\"font-weight: 400\"><b>FIFO (First-In, First-Out):<\/b><span style=\"font-weight: 400\"> For businesses managing large inventories, rotate stock so that older batches are used first.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">Disposal &amp; Recycling<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Lithium coin cells should not end up in household waste bins. You can:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Recycle through official programs:<\/b><span style=\"font-weight: 400\"> Many local councils, electronics stores, or recycling depots accept button batteries.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Avoid incineration or crushing:<\/b><span style=\"font-weight: 400\"> Both can cause release of hazardous chemicals or fire.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Check local regulations:<\/b><span style=\"font-weight: 400\"> Some regions require partial discharge before disposal; others provide sealed collection containers for spent coin cells.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400\">Counterfeit Risks &amp; How to Spot Fakes<\/span><\/h3>\n<p><span style=\"font-weight: 400\">Counterfeit batteries are a growing issue, particularly online. They often look legitimate but fail to meet safety or performance standards. Warning signs include:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Prices significantly lower than market average.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Generic or missing branding, poor-quality printing, or misspellings on packaging.<\/span><\/li>\n<li style=\"font-weight: 400\">Batteries sold loose without protective blister packs.<\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Unrealistic capacity claims (e.g., 150 mAh for a CR1620 when genuine cells are 75\u201381 mAh).<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Excessive voltage drop during use \u2014 fake cells often can\u2019t handle pulse loads.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">To avoid these risks, purchase from authorized distributors like FlywingTech, which guarantees factory-fresh Murata-sourced CR1620 cells with proper packaging and batch traceability.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"final_thoughts\"><\/span><b>Final Thoughts<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400\">The CR1620 battery continues to prove its value across industries, combining a compact 16 \u00d7 2.0 mm form factor, a stable 3.0 V output, and a shelf life of up to 7\u201310 years.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Its flat discharge plateau and low self-discharge rate make it ideal for devices that must remain dependable\u2014whether that\u2019s a car key fob, a fitness tracker, or a precision medical sensor.<\/span><\/p>\n<p><span style=\"font-weight: 400\">If you\u2019re simply replacing a single cell, confirming a CR1620 battery equivalent (such as DL1620 or ECR1620) ensures compatibility.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">For engineering teams and OEMs sourcing at scale, choosing genuine, high-quality cells is critical\u2014generic alternatives often fall short under pulse loads or show higher early failure rates.<\/span><\/p>\n<p><span style=\"font-weight: 400\">At <a href=\"http:\/\/www.flywing-tech.com\">FlywingTech,<\/a> you\u2019ll find a full range of CR1620 batteries from leading brands, backed by quality assurance and reliable supply chains. For example:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><a href=\"https:\/\/www.flywing-tech.com\/product-detail\/batteries-non-rechargeable-primary-murata-electronics-cr1620-62aac6ff\"><span style=\"font-weight: 400\">Murata CR1620 Non-Rechargeable Primary Lithium Battery<\/span><\/a><span style=\"font-weight: 400\"> \u2014 trusted by medical and industrial manufacturers for consistency and long-term stability.<\/span><\/li>\n<li style=\"font-weight: 400\"><a href=\"https:\/\/www.flywing-tech.com\/product-detail\/batteries-non-rechargeable-primary-energizer-battery-company-cr1620vp-3fdc554e\"><span style=\"font-weight: 400\">Energizer CR1620VP Primary Lithium Battery<\/span><\/a><span style=\"font-weight: 400\"> \u2014 a globally recognized option known for reliability in automotive remotes and consumer electronics.<\/span><\/li>\n<\/ul>\n<p>So, if you\u2019re searching for a CR1620 battery near me for immediate replacement, or planning bulk procurement for commercial projects, FlywingTech ensures you get authentic, factory-fresh stock with competitive pricing and prompt delivery.<\/p>\n<p><a href=\"https:\/\/www.flywing-tech.com\/category\/battery-products\/batteries-non-rechargeable-primary-04343a1f\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-5333\" src=\"https:\/\/www.flywing-tech.com\/blog\/wp-content\/uploads\/2025\/10\/battery-series-flywing-inquiry.png\" alt=\"battery series flywing inquiry\" width=\"2160\" height=\"798\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"frequently_asked_questions_faq\"><\/span><span style=\"font-weight: 400\">Frequently Asked Questions (FAQ)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span style=\"color: #ff6221\"><b>Q1. What is a CR1620 battery used for?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">The CR1620 battery powers a wide range of compact devices such as car key fobs, fitness trackers, watches, medical sensors, calculators, and remote controls. Its slim 2.0 mm profile and stable 3 V output make it ideal for electronics where space is limited but reliability is critical.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q2. How long does a CR1620 battery last?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0Lifespan depends on the device, but in low-drain applications (like watches or key fobs), a CR1620 battery can last 3\u20134 years in active use. In storage, it retains 90\u201395% of its energy after 5 years, with a typical shelf life of 7\u201310 years.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q3. What batteries are equivalent to CR1620?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0Equivalent designations include DL1620 (Duracell), ECR1620 (Energizer), BR1620 (Panasonic), KCR1620 (Kodak\/Maxell), and ANSI code 5009LC. These are electrically and dimensionally identical. Always check the datasheet to confirm equivalence.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q4. Can I use CR1616 or CR1632 instead of CR1620?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0No. While they share the same 16 mm diameter, the thickness is different.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>CR1616<\/b><span style=\"font-weight: 400\"> is thinner (1.6 mm) and often won\u2019t make reliable contact.<\/span><\/li>\n<li style=\"font-weight: 400\"><b>CR1632<\/b><span style=\"font-weight: 400\"> is thicker (3.2 mm) and typically won\u2019t fit in CR1620 slots.<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><span style=\"font-weight: 400\"> Always replace with the exact CR1620 or its documented equivalents.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #ff6221\"><b>Q5. Is the CR1620 rechargeable?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0No, the CR1620 is a primary lithium coin cell and should never be recharged. Rechargeable alternatives like ML1620 or LIR1620 exist but have lower capacity, higher self-discharge, and different voltage ranges. They should only be used if your device is designed for rechargeables.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q6. How can I tell if a CR1620 battery is genuine?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Check for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Branded packaging<\/b><span style=\"font-weight: 400\"> (Energizer, Panasonic, Murata, etc.)<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Clear production\/expiry dates<\/b><\/li>\n<li style=\"font-weight: 400\"><b>Sealed blister packs<\/b><span style=\"font-weight: 400\"> (often child-resistant)<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Consistent specs (75\u201381 mAh capacity, 3.0 V nominal)<\/b><b><br \/>\n<\/b><span style=\"font-weight: 400\"> Avoid loose or unbranded coin cells, as they may be counterfeit.<\/span><\/li>\n<\/ul>\n<h3><span style=\"color: #ff6221\"><b>Q7. Where can I buy a CR1620 battery near me?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0Search \u201cCR1620 battery near me\u201d and you\u2019ll find options at Home Depot, Walmart, CVS, Walgreens, and Best Buy. For urgent needs, local pickup works well. For bulk or guaranteed fresh OEM stock, ordering online from FlywingTech provides better pricing, traceability, and reliability.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q8. How should I store CR1620 batteries?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">Store in a cool, dry place between 5 \u00b0C and 25 \u00b0C. Keep them in their original blister packs until use to prevent accidental discharge. Rotate stock using a first-in, first-out (FIFO) method if managing large quantities.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q9. How do I safely dispose of CR1620 batteries?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">\u00a0Do not throw CR1620 batteries in household trash. Instead, use battery recycling programs at local councils, electronics retailers, or designated drop-off points. Never incinerate or crush the cell, as this can cause leaks or fire.<\/span><\/p>\n<h3><span style=\"color: #ff6221\"><b>Q10. Why should I buy CR1620 batteries from FlywingTech?<\/b><\/span><\/h3>\n<p><span style=\"font-weight: 400\">FlywingTech supplies factory-new Murata CR1620 cells, ensuring genuine components with long shelf life. Customers benefit from:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><b>Competitive pricing<\/b><span style=\"font-weight: 400\"> (bulk orders from ~$0.30 per cell)<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Large, always-in-stock inventory<\/b><\/li>\n<li style=\"font-weight: 400\"><b>Fast, reliable shipping<\/b><span style=\"font-weight: 400\"> worldwide<\/span><\/li>\n<li style=\"font-weight: 400\"><b>Customer-backed reputation<\/b><span style=\"font-weight: 400\"> for genuine and reliable products<\/span><span style=\"font-weight: 400\"><br \/>\n<\/span><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Open up a car key fob, fitness tracker, or compact medical device, and you\u2019ll likely find a CR1620 battery powering it.\u00a0 This CR1620 battery may be small, but it has earned a reputation as a preferred choice in electronics that demand long-lasting, dependable energy.\u00a0 The reason is simple: the CR1620 combines durability, a stable 3-volt [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":5332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[579,377,378],"tags":[583,716,715,717,582],"class_list":["post-5309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-batteries-power","category-experience-sharing","category-parts-library","tag-3v-battery","tag-coin-cell-battery","tag-cr1620-battery","tag-cr1620-equivalent","tag-lithium-battery"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>CR1620 Battery: Applications, Technical Specs, and Equivalents - Fly-Wing<\/title>\r\n<meta name=\"description\" content=\"Complete CR1620 battery guide: technical specs, performance, and safe substitutes. 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