{"id":15772,"date":"2025-11-04T08:14:26","date_gmt":"2025-11-04T08:14:26","guid":{"rendered":"https:\/\/adapterfamily.co.uk\/blog\/?p=15772"},"modified":"2025-11-08T08:15:12","modified_gmt":"2025-11-08T08:15:12","slug":"razer-rc30-0248-80wh-replacement-battery-a-step-by-step-buying-guide-for-blade-15-2018-2019","status":"publish","type":"post","link":"https:\/\/adapterfamily.co.uk\/blog\/razer-rc30-0248-80wh-replacement-battery-a-step-by-step-buying-guide-for-blade-15-2018-2019\/","title":{"rendered":"Razer RC30-0248 80Wh Replacement Battery \u2014 A Step-by-Step Buying Guide for Blade 15 (2018\u20132019)"},"content":{"rendered":"<article>\n<header>If your Razer Blade 15 is throttling, shutting down at 20\u201330%, or swelling the palm rest, the battery is the likely culprit. This guide walks you through the entire shopping flow\u2014from confirming compatibility to checkout\u2014so you can order the right <strong>Razer RC30-0248 80Wh<\/strong> battery with confidence.<\/p>\n<\/header>\n<section>\n<div style=\"margin: 18px 0; text-align: center;\">\n<p><a href=\"https:\/\/adapterfamily.co.uk\/en\/battery-for-laptop\/69021-razer-rc30-0248-80wh-battery.html\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" style=\"max-width: 780px; width: 100%; height: auto; border: 1px solid #e5e7eb; border-radius: 10px;\" src=\"https:\/\/adapterfamily.co.uk\/3486-large_default\/razer-rc30-0248-80wh-battery.jpg\" alt=\"Razer RC30-0248 80Wh Battery\" \/> <\/a><\/p>\n<div style=\"margin-top: 10px;\"><a style=\"display: inline-block; padding: 12px 18px; border-radius: 8px; background: #0a7f2e; color: #fff; font-weight: 600; text-decoration: none;\" href=\"https:\/\/adapterfamily.co.uk\/en\/battery-for-laptop\/69021-razer-rc30-0248-80wh-battery.html\" target=\"_blank\" rel=\"noopener\">Buy the Razer RC30-0248 (80Wh)<\/a><\/div>\n<\/div>\n<\/section>\n<section>\n<h2>Who this battery is for<\/h2>\n<ul>\n<li>Owners of <strong>Razer Blade 15 Advanced (2018\u20132019)<\/strong> and select Blade 15 variants that shipped with an 80Wh pack.<\/li>\n<li>Users seeing <em>rapid percentage drops<\/em>, <em>unexpected shutdowns<\/em>, or <em>battery swelling<\/em> alerts in Synapse\/Windows.<\/li>\n<li>Gamers and creators who want the original energy headroom (80Wh) restored for mobile sessions.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Step 1 \u2014 Diagnose before you shop<\/h2>\n<ol>\n<li><strong>Check Windows battery health:<\/strong> <code>powercfg \/batteryreport<\/code> (Run as Administrator) and review Full Charge Capacity vs. Design Capacity.<\/li>\n<li><strong>Inspect physically:<\/strong> If the chassis won\u2019t sit flat or the trackpad lifts, <em>stop using and replace immediately<\/em>.<\/li>\n<li><strong>Rule out adapters:<\/strong> If the laptop runs fine on AC but dies off-plug, the battery is the bottleneck.<\/li>\n<\/ol>\n<\/section>\n<section>\n<h2>Step 2 \u2014 Confirm compatibility (the most important part)<\/h2>\n<p>You can verify fit in two ways. Use <em>either<\/em> a battery part number (P\/N) from your old pack <em>or<\/em> your laptop\u2019s exact model code.<\/p>\n<h3>\u2714 Compatible Battery Part Numbers<\/h3>\n<ul>\n<li><strong>Razer RC30-0248<\/strong> (80Wh)<\/li>\n<li><strong>4ICP4\/55\/162<\/strong><\/li>\n<li><strong>4ICP4\/56\/162<\/strong><\/li>\n<\/ul>\n<h3>\u2714 Compatible Laptop Models (Blade 15 family)<\/h3>\n<p><em>Selected highlights below; see product page for the full mapping.<\/em><\/p>\n<ul style=\"columns: 2; -webkit-columns: 2; -moz-columns: 2;\">\n<li>Blade 15 Advanced 2018 <strong>RZ09-0238x<\/strong><\/li>\n<li>Blade 15 Advanced 2019 <strong>RZ09-0288x \/ RZ09-0301x \/ RZ09-0313x<\/strong><\/li>\n<li>Blade 15 <strong>RZ09-02385E71-R3U1<\/strong>, <strong>RZ09-02385E92-R341\/R3U1<\/strong>, <strong>RZ09-02385EM2-R3U1<\/strong><\/li>\n<li>Blade 15 <strong>RZ09-02386E52-R3U1<\/strong>, <strong>RZ09-02386E91\/92-R3U1<\/strong>, <strong>RZ09-02386E92-R3B1<\/strong><\/li>\n<li>Blade 15 <strong>RZ09-02386W52\/W91\/W92-R3W1<\/strong><\/li>\n<li>Blade 15 <strong>RZ09-02886<\/strong> \/ <strong>02887<\/strong> \/ <strong>02888<\/strong> (multiple suffixes: MSU1, R341, R3B1, R3E1, R3G1, R3J1, R3N1, R3U1, R3W1, EM2-R3U1, etc.)<\/li>\n<li>Blade 15 <strong>RZ09-03017<\/strong> (E01\/E02\/EM2\/EM8 with suffixes R341, R3B1, R3E1, R3G1, R3J1, R3N1, R3U1, R3W1)<\/li>\n<li>Blade 15 <strong>RZ09-03018<\/strong> (E02\/E52\/W02\/W52 with suffixes R341, R3B1, R3E1, R3G1, R3J1, R3N1, R3U1, R3W1)<\/li>\n<li>Blade 15 <strong>RZ09-03135<\/strong> (EM3\/GM3\/WM3; Studio Edition 2019)<\/li>\n<li>Blade 15 <strong>RZ09-03137<\/strong> (E02 with R341\/R3B1\/R3E1\/R3G1\/R3J1\/R3N1\/R3U1\/R3W1)<\/li>\n<li><strong>RZ09-02386<\/strong>, <strong>RZ09-02486<\/strong><\/li>\n<\/ul>\n<p><strong>Tip:<\/strong> Your exact code is on the bottom cover label (e.g., <code>RZ09-03017E02-R3U1<\/code>). If your code appears above, you\u2019re good to go. Still unsure? Use the product page\u2019s contact option to confirm fit before purchase.<\/p>\n<\/section>\n<section>\n<h2>Step 3 \u2014 Check the key specs that matter<\/h2>\n<ul>\n<li><strong>Capacity:<\/strong> 80Wh (restores the Blade\u2019s intended runtime window for 2018\u20132019 Advanced units).<\/li>\n<li><strong>Chemistry &amp; cells:<\/strong> Premium Li-ion cells, smart BMS, and protection for over-charge\/over-current\/over-temp.<\/li>\n<li><strong>Connector &amp; fit:<\/strong> Drop-in pack designed for the Blade 15 battery bay; no firmware mods required.<\/li>\n<\/ul>\n<p>Full technical details (dimensions, voltage, contents-of-box) are listed on the product page.<\/p>\n<\/section>\n<section>\n<h2>Step 4 \u2014 What\u2019s in the box<\/h2>\n<ul>\n<li>1 \u00d7 <strong>Razer RC30-0248 (80Wh)<\/strong> replacement battery<\/li>\n<li>Protection packaging and ESD-safe handling<\/li>\n<li>Online support for installation &amp; first-charge calibration<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Step 5 \u2014 Installation overview (10\u201325 minutes)<\/h2>\n<ol>\n<li><strong>Power down<\/strong> and unplug. Hold power for 15 seconds to discharge.<\/li>\n<li><strong>Remove bottom cover:<\/strong> Torx T5 screws (track lengths); plastic pry tool to lift the panel.<\/li>\n<li><strong>Battery cable first:<\/strong> Disconnect the battery from the board before loosening the pack screws.<\/li>\n<li><strong>Swap the pack<\/strong> and re-connect firmly; avoid pinching the cable.<\/li>\n<li><strong>Reassemble<\/strong> and perform a <strong>calibration<\/strong>: charge to 100%, rest 2 hours, discharge to 5\u201310%, then charge to 100% uninterrupted.<\/li>\n<\/ol>\n<p><em>Safety:<\/em> If your old pack is swollen, do not puncture or compress it. Place it in a fire-safe area and follow local e-waste guidance.<\/p>\n<\/section>\n<section>\n<h2>Step 6 \u2014 Checkout &amp; delivery tips<\/h2>\n<ul>\n<li><strong>Address accuracy:<\/strong> Use a location where you (or reception) can sign if required.<\/li>\n<li><strong>Payment:<\/strong> Choose your preferred method at checkout; ensure the billing address matches for a smooth authorization.<\/li>\n<li><strong>Shipping &amp; returns:<\/strong> Review the store\u2019s Shipping\/Returns pages for timelines and warranty coverage before placing your order.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>FAQs<\/h2>\n<h3>Will this 80Wh pack improve my runtime?<\/h3>\n<p>Yes\u2014if your existing pack\u2019s health has declined, moving back to a fresh 80Wh restores the original endurance envelope typical of the Blade 15 Advanced 2018\u20132019 generation.<\/p>\n<h3>Is the RC30-0248 backward\/forward compatible with other Blade 15 years?<\/h3>\n<p>Compatibility is specific. Use the model list above and match your <strong>RZ09-xxxxx<\/strong> code, or reference <strong>4ICP4\/55\/162<\/strong> or <strong>4ICP4\/56\/162<\/strong> on your old pack. When in doubt, ask before buying.<\/p>\n<h3>Do I need any special software after installation?<\/h3>\n<p>No extra software is required. Windows will recognize the smart BMS automatically. We strongly recommend doing the first-charge calibration cycle.<\/p>\n<h3>What if my old battery is swollen?<\/h3>\n<p>Stop using the laptop on battery power and replace promptly. Handle gently, avoid pressure, and dispose through local e-waste programs.<\/p>\n<\/section>\n<section>\n<h2>How to place your order now<\/h2>\n<ol>\n<li>Confirm your exact model (e.g., <code>RZ09-03018E52-R3W1<\/code>) or your battery P\/N (RC30-0248, 4ICP4\/55\/162, 4ICP4\/56\/162).<\/li>\n<li>Click the product link below and add to cart.<\/li>\n<li>Complete checkout and keep the confirmation email for tracking\/warranty.<\/li>\n<\/ol>\n<\/section>\n<p><!-- Final CTA --><\/p>\n<section>\n<div style=\"margin: 22px 0; text-align: center;\">\n<p><a href=\"https:\/\/adapterfamily.co.uk\/en\/battery-for-laptop\/69021-razer-rc30-0248-80wh-battery.html\" target=\"_blank\" rel=\"noopener\"> <img decoding=\"async\" style=\"max-width: 780px; width: 100%; height: auto; border: 1px solid #e5e7eb; border-radius: 10px;\" src=\"https:\/\/adapterfamily.co.uk\/3486-large_default\/razer-rc30-0248-80wh-battery.jpg\" alt=\"Buy Razer RC30-0248 Battery (80Wh)\" \/> <\/a><\/p>\n<div style=\"margin-top: 10px;\"><a style=\"display: inline-block; padding: 12px 18px; border-radius: 8px; background: #0a7f2e; color: #fff; font-weight: bold; text-decoration: none;\" href=\"https:\/\/adapterfamily.co.uk\/en\/battery-for-laptop\/69021-razer-rc30-0248-80wh-battery.html\" target=\"_blank\" rel=\"noopener\">Get the RC30-0248 (80Wh) for Blade 15<\/a><\/div>\n<\/div>\n<\/section>\n<footer>\n<p style=\"font-size: 13px; color: #6b7280;\">Disclaimer: Laptop model names often share chassis across multiple sub-SKUs. Always confirm the exact RZ09 code or the original battery P\/N before purchase.<\/p>\n<\/footer>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>If your Razer Blade 15 is throttling, shutting down at 20\u201330%, or swelling the palm rest, the battery is the [&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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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-15772","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Razer RC30-0248 80Wh Replacement Battery \u2014 A Step-by-Step Buying Guide for Blade 15 (2018\u20132019) - AdapterFamily Blog<\/title>\n<meta name=\"description\" content=\"Buy the Razer RC30-0248 80Wh replacement battery for Blade 15 (2018\u20132019). 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