{"id":70146,"date":"2025-12-13T06:22:21","date_gmt":"2025-12-13T06:22:21","guid":{"rendered":"https:\/\/fixing-tools.store\/blogs\/?p=70146"},"modified":"2025-12-18T06:25:22","modified_gmt":"2025-12-18T06:25:22","slug":"is-a-19-5v-2-31a-45w-hp-4-5-x-3-0-mm-charger-the-right-replacement-for-your-hp-laptop","status":"publish","type":"post","link":"https:\/\/fixing-tools.store\/blogs\/is-a-19-5v-2-31a-45w-hp-4-5-x-3-0-mm-charger-the-right-replacement-for-your-hp-laptop\/","title":{"rendered":"Is a 19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm Charger the Right Replacement for Your HP Laptop?"},"content":{"rendered":"<p>\nIf you own an HP Pavilion, Envy, Spectre, EliteBook, ProBook or HP 14\/15\/17 series laptop, there\u2019s a good chance it was shipped with a<br \/>\n<strong>19.5V 2.31A 45W charger<\/strong> using the slim <strong>4.5 \u00d7 3.0 mm blue-tip connector<\/strong>.<br \/>\nThis compact adapter is designed for everyday notebooks and ultrabooks \u2013 light, portable and efficient.<br \/>\nBut once the original charger gets lost, damaged or starts failing, replacing it can be confusing:\n<\/p>\n<ul>\n<li>There are multiple voltages (18.5V, 19V, 19.5V, 20V) on the market.<\/li>\n<li>HP uses both 7.4 \u00d7 5.0 mm and 4.5 \u00d7 3.0 mm barrel plugs.<\/li>\n<li>Many generic adapters look similar but are not electrically correct.<\/li>\n<\/ul>\n<p>\nIn this guide, we look at what the <strong>19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm AC adapter<\/strong> actually is, which HP laptops it supports,<br \/>\nand how to confirm that it\u2019s the right replacement for your device.\n<\/p>\n<p>\n  <a href=\"https:\/\/fixing-tools.store\/laptop-parts\/product\/19-5v-2-31a-45w-hp-4-5mm-3-0mm-ac-adapter-charger\/\"\n     target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n    <img decoding=\"async\" src=\"https:\/\/fixing-tools.store\/laptop-parts\/wp-content\/uploads\/2025\/11\/HP19.5V2.31A4530.jpg\"\n         alt=\"19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm AC Adapter Charger\"\n         style=\"max-width:260px; height:auto; border-radius:4px; border:1px solid #eee;\"><br \/>\n  <\/a>\n<\/p>\n<hr>\n<h2>1. Typical problems when your HP 45W charger is failing<\/h2>\n<p>Most users realise they have a charger problem when they see one or more of these symptoms:<\/p>\n<h3>Battery and charging issues<\/h3>\n<ul>\n<li>The laptop only charges when it is shut down or in sleep mode.<\/li>\n<li>Windows shows \u201cplugged in, not charging\u201d or the percentage doesn\u2019t increase.<\/li>\n<li>The charging LED on the laptop blinks or does not turn on consistently.<\/li>\n<\/ul>\n<h3>Performance drops while plugged in<\/h3>\n<ul>\n<li>Applications feel slow, even though the laptop is connected to AC power.<\/li>\n<li>The CPU throttles or the system becomes laggy when you open more programs.<\/li>\n<\/ul>\n<h3>Physical signs of damage<\/h3>\n<ul>\n<li>The cable is frayed near the plug or power brick.<\/li>\n<li>The adapter makes buzzing noises or becomes unusually hot.<\/li>\n<li>The blue DC tip feels loose inside the laptop\u2019s charging port.<\/li>\n<\/ul>\n<p>\nUsing a damaged or under-rated adapter is not only inconvenient \u2013 it can damage your battery over time.<br \/>\nA correct 45W replacement with the proper voltage and connector solves these problems safely.\n<\/p>\n<hr>\n<h2>2. Product overview: 19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm adapter<\/h2>\n<p>\nThis compact HP-compatible adapter is designed as a direct replacement for many original 45W HP chargers.<br \/>\nIt uses the slim <strong>4.5 mm (outer) \u00d7 3.0 mm (inner)<\/strong> barrel connector \u2013 often called the \u201csmall blue tip\u201d \u2013<br \/>\nthat HP uses on a wide range of consumer and business laptops.\n<\/p>\n<ul>\n<li><strong>Item condition:<\/strong> Brand new<\/li>\n<li><strong>Input:<\/strong> 100\u2013240V ~ 50\u201360Hz (worldwide mains support)<\/li>\n<li><strong>Colour:<\/strong> Black<\/li>\n<li><strong>Output voltage:<\/strong> <strong>19.5V DC<\/strong><\/li>\n<li><strong>Output current:<\/strong> <strong>2.31A<\/strong><\/li>\n<li><strong>Output power:<\/strong> <strong>45W<\/strong><\/li>\n<li><strong>Connector size:<\/strong> 4.5 \u00d7 3.0 mm barrel plug<\/li>\n<li><strong>Package:<\/strong> 1 \u00d7 HP-compatible charger + 1 \u00d7 power cord (plug type matched to your country)<\/li>\n<li><strong>Warranty:<\/strong> 12-month warranty and 30-day return policy<\/li>\n<\/ul>\n<p><strong>Important:<\/strong> this is a high-quality compatible replacement adapter for HP laptops, not an original HP-branded charger.<\/p>\n<hr>\n<h2>3. Supported HP part numbers<\/h2>\n<p>\nHP often uses different spare part numbers and FRU codes for chargers that are electrically identical.<br \/>\nThis 19.5V 2.31A 45W adapter is designed to replace a wide range of HP 45W adapters, including (but not limited to):\n<\/p>\n<p>\n<em><br \/>\n720987-800, 721092-001, 734734-001, 740015-001\/002\/003, 741553-800\/850\/852, 741727-001\/B,<br \/>\n742436-001, 744499-001, 744892-001, 845612-001, 845837-850, 853490-001, 854054-001\/002\/003\/004,<br \/>\n856948-002, 920306-015, A045R07DH, ADP-45FE B, ADP-45FE FA, H6Y88AA, H6Y88AA#ABA, H6Y88AA#UUZ,<br \/>\nHSTNN-CA40, HSTNN-DA40, HSTNN-LA35, HSTNN-LA40, L25296-001\/002\/003, M46472-001, NT454H,<br \/>\nPA-1450-36HE, TPN-DA16, TPN-LA03,<br \/>\n608423-001, 609938-001, 613151-001, 683509-002\/003, 693717-001, 696607-001, 696694-001,<br \/>\n744481-002, 744893-001\/B, A040R00DL, A045R00DH, H5W93AA, H5W93AA#ABB, H6Y88AA#ABB, HSTNN-CA17, HSTNN-DA17,<br \/>\nNT45HP, PA-1450-32HJ\u2026<br \/>\n<\/em>\n<\/p>\n<p>\nIf your original adapter\u2019s label shows one of these codes alongside <strong>19.5V<\/strong> and <strong>45W<\/strong>, this replacement charger is designed to be compatible.\n<\/p>\n<hr>\n<h2>4. Compatible HP laptop families (partial list)<\/h2>\n<p>\nThis 45W 4.5 \u00d7 3.0 mm adapter supports a very broad range of HP consumer and business laptops, such as:\n<\/p>\n<ul>\n<li><strong>HP 11 \/ 14 \/ 15 \/ 17<\/strong> \u2013 including HP 14s, 14t, 15s, 15t, 15z, 17 series<\/li>\n<li><strong>HP 240 \/ 245 \/ 250 \/ 255 \/ 256 \/ 348 \/ 470<\/strong> \u2013 G4, G6, G7, G8, G9, G10 and related variants<\/li>\n<li><strong>HP Chromebook<\/strong> \u2013 Chromebook 11, Chromebook 13 G1, Chromebook 14 \/ 14a<\/li>\n<li><strong>HP Compaq &amp; Pavilion<\/strong> \u2013 Compaq 15, Pavilion 11 \/ 13 \/ 15 \/ 17, Pavilion x360 11\/13\/14\/15, TouchSmart 15<\/li>\n<li><strong>HP Envy<\/strong> \u2013 Envy 13\/13t, 15\/15t\/15z, 17\/17t, Envy M6, Envy x2 15, Envy x360 (13, 13m, 15, 15m, m6 series)<\/li>\n<li><strong>HP Spectre<\/strong> \u2013 Spectre 13, Spectre 13 x2 Pro, Spectre Pro x360 G1\/G2, Spectre x360 13\/13t\/14\/15<\/li>\n<li><strong>HP EliteBook &amp; ElitePad<\/strong> \u2013 720\/725\/740\/745\/750\/755 G-series, 820 G1, 840R G4, 850 G1\/G2\/G5, EliteBook x360 830 G5, Revolve 810 G2\/G3, ElitePad 900\/1000 and mobile POS solutions<\/li>\n<li><strong>HP ProBook<\/strong> \u2013 ProBook 430\/440\/445\/450\/455\/630\/635\/640\/650 series (G1\u2013G10, Aero, Fortis, x360 variants)<\/li>\n<li><strong>HP Pro \/ Stream \/ Slate \/ Split \/ mt \/ ZBook<\/strong> \u2013 Pro x360 435, Stream 11\/13\/14 (and Pro\/x360 variants), Slate 17, SlateBook 14, Split 13\/13t, mt-series thin clients, ZBook 14, ZBook 15 G6 (45W configs)<\/li>\n<li><strong>HP Victus \/ Victurs (certain configurations)<\/strong> \u2013 some lower-power Victus 16 models that ship with a 45W adapter<\/li>\n<\/ul>\n<p>\nBecause HP updates its model lines frequently, always use the compatibility checklist below instead of relying only on the series name.\n<\/p>\n<hr>\n<h2>5. Compatibility checklist: is this 45W charger right for your HP laptop?<\/h2>\n<h3>1) Check the output voltage and wattage<\/h3>\n<ul>\n<li>On your original adapter, find the line that starts with <strong>Output<\/strong>.<\/li>\n<li>Confirm that it states roughly <strong>19.5V<\/strong> and <strong>2.31A<\/strong> (or clearly marked as <strong>45W<\/strong>).<\/li>\n<li>If your original charger is 65W, 90W or higher, this 45W unit may not be suitable for full performance.<\/li>\n<\/ul>\n<h3>2) Confirm the connector size \u2013 4.5 \u00d7 3.0 mm<\/h3>\n<ul>\n<li>HP uses two main barrel-plug sizes: the larger 7.4 \u00d7 5.0 mm and the smaller 4.5 \u00d7 3.0 mm blue tip.<\/li>\n<li>This adapter uses the <strong>small 4.5 \u00d7 3.0 mm barrel<\/strong>. Visually compare your current plug with the product photos \u2013 the tip and thickness should match.<\/li>\n<\/ul>\n<h3>3) Match HP spare part \/ FRU number<\/h3>\n<ul>\n<li>Look for an HP spare part number such as <em>740015-001<\/em>, <em>H6Y88AA<\/em>, <em>ADP-45FE B<\/em> or any of the codes listed above.<\/li>\n<li>If your part number appears in the compatibility list, that is a strong indication this 45W adapter is a correct replacement.<\/li>\n<\/ul>\n<h3>4) Verify with your exact model name<\/h3>\n<ul>\n<li>Check the label on the bottom of your laptop or in BIOS\/HP Support Assistant for the exact model (for example <em>HP Pavilion x360 14m<\/em>, <em>HP ProBook 445 G8<\/em>, <em>HP Envy x360 13<\/em>).<\/li>\n<li>Ensure your series appears under the compatible model list and is specified to use a 45W 19.5V adapter.<\/li>\n<\/ul>\n<p>\nIf you are unsure at any point, take a photo of your original adapter label and the model sticker on your laptop and share them with support.<br \/>\nThis avoids ordering the wrong charger and speeds up the replacement process.\n<\/p>\n<hr>\n<h2>6. Why a correct 45W adapter matters for your HP laptop<\/h2>\n<p>\nIt may be tempting to use any adapter that \u201ckind of fits\u201d, but using the wrong voltage or connector can cause:\n<\/p>\n<ul>\n<li>charging failures and \u201cplugged in, not charging\u201d messages,<\/li>\n<li>slow performance or random shutdowns under load,<\/li>\n<li>excess heat and stress on the power circuitry, and<\/li>\n<li>long-term battery damage or greatly reduced lifespan.<\/li>\n<\/ul>\n<p>\nA properly rated <strong>19.5V 2.31A 45W adapter with a 4.5 \u00d7 3.0 mm plug<\/strong> ensures that your HP notebook runs within its design limits,<br \/>\ncharging the battery safely and delivering stable performance for everyday tasks, online meetings and light productivity.\n<\/p>\n<hr>\n<h2>7. Summary<\/h2>\n<p>\nIf your HP laptop originally shipped with a 45W small blue-tip charger, this<br \/>\n<strong>19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm AC adapter<\/strong> is an excellent replacement option.<br \/>\nBy confirming:\n<\/p>\n<ul>\n<li>the correct voltage (19.5V) and power rating (45W),<\/li>\n<li>the connector size (4.5 \u00d7 3.0 mm),<\/li>\n<li>your HP spare part number, and<\/li>\n<li>your exact model series,<\/li>\n<\/ul>\n<p>\nyou can safely restore reliable charging and everyday performance to your HP notebook, without the risks associated with random or under-rated third-party adapters.\n<\/p>\n<p>\n  <a href=\"https:\/\/fixing-tools.store\/laptop-parts\/product\/19-5v-2-31a-45w-hp-4-5mm-3-0mm-ac-adapter-charger\/\"\n     target=\"_blank\" rel=\"noopener noreferrer\"\n     style=\"display:inline-block; padding:10px 22px; background:#0073aa; color:#fff; text-decoration:none; border-radius:4px; font-weight:600;\"><br \/>\n    View 19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm AC Adapter Charger<br \/>\n  <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you own an HP Pavilion, Envy, Spectre, EliteBook, ProBook or HP 14\/15\/17 series laptop, there\u2019s a good chance it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":[],"tags":[],"class_list":["post-70146","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Is a 19.5V 2.31A 45W HP 4.5 \u00d7 3.0 mm Charger the Right Replacement for Your HP Laptop? - Laptop Adapter Charger Review<\/title>\n<meta name=\"description\" content=\"19.5V 2.31A 45W replacement charger for HP laptops with 4.5 \u00d7 3.0 mm blue-tip connector. 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