{"id":3419,"date":"2026-09-17T20:40:44","date_gmt":"2026-09-17T20:40:44","guid":{"rendered":"https:\/\/netguide.io\/news\/2026\/09\/17\/apple-watch-series-12-and-ultra-4-faster-charging-requires-new-10-watt-accessories\/"},"modified":"2026-09-17T20:40:45","modified_gmt":"2026-09-17T20:40:45","slug":"apple-watch-series-12-and-ultra-4-faster-charging-requires-new-10-watt-accessories","status":"publish","type":"post","link":"https:\/\/netguide.io\/news\/en\/2026\/09\/17\/apple-watch-series-12-and-ultra-4-faster-charging-requires-new-10-watt-accessories\/","title":{"rendered":"Apple Watch Series 12 and Ultra 4: Faster Charging Requires New 10-Watt Accessories"},"content":{"rendered":"<div id=\"netgu-3529997158\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><p>With the unveiling of the Apple Watch Series 12 and Apple Watch Ultra 4, Apple has revamped the fast-charging capabilities of its smartwatches. To take advantage of these higher charging speeds, however, users must rely on new charging accessories: instead of the previous 5-watt hardware, the company now relies on up to 10 watts of power delivery.<\/p>\n\n<h2>New Charging Puck Delivers Up to 10 Watts<\/h2>\n<p>The 5-watt charging puck introduced alongside the Apple Watch Series 7 is no longer sufficient for the enhanced charging performance. The new charging cable delivers up to 10 watts via a proprietary protocol to the smartwatch. Reaching the faster speeds also requires a power adapter with at least 10 watts of output, though Apple continues to recommend 20-watt adapters. The compatible cable is included in the box with the new watches. Sold separately, Apple charges 29 euros for the replacement cable.<\/p><div id=\"netgu-1914382185\" class=\"netgu-content netgu-entity-placement\"><aside class=\"deals-top deals-top--compact\">\n\n\t\t\t<h3 class=\"deals-top__title\">Top-Deals<\/h3>\n\t\n\t\t\t<ul class=\"deals-top__list\">\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/ugreen-aluminium-tabletstaender-360-drehbar-hoehenverstellbar\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2825012_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">UGREEN Aluminium Tabletst\u00e4nder | 360\u00b0 Drehbar &amp; H\u00f6henverstellbar<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">16.91 \u20ac<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>20.37 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-17%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature is-hot\">\n\t\t\t\t\t\t\t109\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/train-sim-world-7-starter-pack-kostenlos-fuer-ps4-ps5-xbox-pc\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/capsule_616x353-11-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Train Sim World 7: Starter Pack kostenlos f\u00fcr PS4, PS5, Xbox, PC<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t55\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/kostenlose-emote-im-clash-royale-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/share-image-clashroyale-150x150.jpg\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Kostenlose Emote im Clash Royale-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/gratis-forschungssuppe-im-clash-of-clans-store\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/2839474_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">Gratis Forschungssuppe im Clash of Clans-Store<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t\t\t<li class=\"deals-top__item\">\n\t\t\t\t\t<a class=\"deals-top__link\" href=\"https:\/\/netguide.io\/deals\/de\/deals\/the-clockwork-scarab-stoker-and-holmes-book-1-kindle-edition\/\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img class=\"deals-top__image\" src=\"https:\/\/netguide.io\/news\/wp-content\/uploads\/sites\/15\/2026\/09\/4982769_1-150x150.webp\" alt=\"\" width=\"52\" height=\"52\" loading=\"lazy\" \/>\n\t\t\t\t\t\t\n\t\t\t\t\t\t<span class=\"deals-top__body\">\n\t\t\t\t\t\t\t<span class=\"deals-top__name\">The Clockwork Scarab (Stoker and Holmes Book 1) \u2013 Kindle Edition<\/span>\n\n\t\t\t\t\t\t\t<span class=\"deals-top__meta\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-top__price\">Gratis<\/span>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<s>0.01 \u20ac<\/s>\n\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"deals-discount\">-100%<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\n\t\t\t\t\t\t<span class=\"deals-top__temperature\">\n\t\t\t\t\t\t\t54\u00b0\n\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t<p class=\"deals-top__more\">\n\t\t\t\t<a href=\"https:\/\/netguide.io\/deals\/\">Alle Deals ansehen \u2192<\/a>\n\t\t\t<\/p>\n\t\t\t<\/aside>\n<\/div>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/ck8WX6oz4l6IMqh3L8dUWC6qkckPko7E\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvMjFQVWs0SXBERUwuX1NMNTAwXy5qcGc\" alt=\"Apple 20W USB\u2011C Power Adapter\" width=\"500\" height=\"500\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">Apple<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">Apple 20W USB\u2011C Power Adapter<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Currently unavailable<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n\n<h2>Impact on Existing Charging Stations<\/h2>\n<p>For buyers, this transition introduces practical hurdles across the accessory ecosystem. Existing charging docks, nightstand stations, and multi-device chargers from third-party manufacturers that feature integrated, older-generation Apple Watch charging pucks will not support the new peak charging speeds. Based on past experience, it will likely take several months before accessory makers release updated charging stations featuring full 10-watt support.<\/p>\n\n<h2>Faster Boost Only in the Early Stages<\/h2>\n<p>Doubling the maximum charging power does not shorten the overall time needed for a full charge; instead, it primarily takes effect during the first 15 minutes. According to Apple, the watches gain around 50 percent more battery life during this initial window compared to their predecessors:<\/p>\n<ul>\n<li><strong>Apple Watch Series 12:<\/strong> A 15-minute charge delivers up to 12 hours of use (around a 50 percent charge level), whereas the predecessor Series 11 stored enough energy for 8 hours over the same duration.<\/li>\n<li><strong>Apple Watch Ultra 4:<\/strong> A 15-minute charge provides up to 18 hours of battery life (around a 36 percent charge level), compared to 12 hours on the Ultra 3.<\/li>\n<\/ul>\n<p>The total time required to reach 80 percent remains unchanged: the Series 12 still takes 30 minutes, while the Ultra 4 needs 45 minutes. The charging curve flattens quickly to protect the battery cells from excessive heat generation and premature wear.<\/p>\n<div class=\"acp acp--light acp-t-product-horizontal\"><article class=\"acp-card acp-hz is-unavailable\">\r\n\t\t\t\t\t<div class=\"acp-hz__grid\">\r\n\t\t<div class=\"acp-hz__media\">\r\n\t\t\t\t\t\t<div class=\"acp-hz__img\">\r\n\t\t\t\t<img src=\"https:\/\/ac.api.valitype.io\/media\/proxy\/NPaBJ57zY-WO6l0lUetTuUk2fUTNYExR\/aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvMzF4R0ZPTEoxS0wuX1NMNTAwXy5qcGc\" alt=\"Apple Watch Series 12 GPS, 46 mm Aluminiumgeh\u00e4use Schwarz\" width=\"500\" height=\"500\" loading=\"lazy\" decoding=\"async\">\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__info\">\r\n\t\t\t\t\t\t\t<p class=\"acp-kicker\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"acp-brand\">Apple<\/span>\r\n\t\t\t\t\t\t\t\t\t<\/p>\r\n\t\t\t\t\t\t<h3 class=\"acp-title acp-title--sm\">Apple Watch Series 12 GPS, 46 mm Aluminiumgeh\u00e4use Schwarz<\/h3>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t<div class=\"acp-hz__buy\">\r\n\t\t\t\t\t\t\t<div class=\"acp-status\">\r\n\t<p class=\"acp-status__label\"><svg class=\"acp-i acp-i--info\" viewBox=\"0 0 20 20\" width=\"20\" height=\"20\" aria-hidden=\"true\" focusable=\"false\"><circle cx=\"10\" cy=\"10\" r=\"8\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\"\/><path d=\"M10 9v5\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\"\/><circle cx=\"10\" cy=\"6.3\" r=\"1.1\" fill=\"currentColor\"\/><\/svg><span>Currently unavailable<\/span><\/p>\r\n\t<\/div>\r\n\t\t\t\t\t<\/div>\r\n\t<\/div>\r\n\t\t\t<div class=\"acp-foot\">\r\n\t\t\t\t\t<\/div>\r\n\t<\/article>\r\n<\/div>\n\n<h2>Practical Tip for Users<\/h2>\n<p>Anyone upgrading to a Series 12 or Ultra 4 should primarily use the included charging cable and pair it with a sufficiently powerful power adapter, whether on the go or at the nightstand. Older charging accessories and legacy cables remain incompatible with the new charging speeds.<\/p>\n<p><em>Sources: <a href=\"https:\/\/www.computerbase.de\/news\/wearables\/schnelleres-laden-apple-watch-series-12-und-ultra-4-brauchen-neues-zubehoer.99460\/\" rel=\"nofollow noopener\" target=\"_blank\">Computerbase.de\/news<\/a><\/em><\/p><div id=\"netgu-2723832122\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Apple boosts charging speeds for the Apple Watch Series 12 and Ultra 4 during the first few minutes. However, unlocking these new speeds requires updated charging cables and power adapters.<\/p>\n","protected":false},"author":1,"featured_media":3416,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1539],"tags":[2570,1184,1364,1861,1615,1365],"class_list":["post-3419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-smartwatches-en","tag-accessories","tag-apple-en","tag-apple-watch-en","tag-fast-charging","tag-hardware-en","tag-smartwatch-en"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/comments?post=3419"}],"version-history":[{"count":1,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3419\/revisions"}],"predecessor-version":[{"id":3420,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/posts\/3419\/revisions\/3420"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media\/3416"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/media?parent=3419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/categories?post=3419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/news\/wp-json\/wp\/v2\/tags?post=3419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}