{"id":25116,"date":"2025-10-17T06:21:58","date_gmt":"2025-10-17T06:21:58","guid":{"rendered":"https:\/\/www.buy-a-charger.co.uk\/blog\/?p=25116"},"modified":"2025-10-17T06:22:03","modified_gmt":"2025-10-17T06:22:03","slug":"how-to-install-t480-battery","status":"publish","type":"post","link":"https:\/\/www.buy-a-charger.co.uk\/blog\/how-to-install-t480-battery\/","title":{"rendered":"How to install T480 battery?"},"content":{"rendered":"<p><head><\/p>\n<style>\n    :root{\n      --ink:#0b1220; --muted:#f6f7fb; --line:#e7e9f2; --accent:#e62e2d; --ok:#0b915c;\n      --radius:14px;\n    }\n    body{margin:0;background:#fff;color:var(--ink);font:16px\/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;}\n    .wrap{max-width:980px;margin:auto;padding:28px;}\n    h1{font-size:clamp(26px,4.5vw,42px);line-height:1.15;margin:0 0 12px}\n    h2{margin-top:28px}\n    h3{margin-top:22px}\n    .lede{color:#5b6278;max-width:75ch}\n    .table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}\n    .table th,.table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}\n    .table th{background:#fafbfe}\n    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}\n    .card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}\n    .card img{display:block;width:100%;height:auto}\n    .card .body{padding:12px}\n    .cta{display:inline-block;margin-top:8px;background:var(--ink);color:#fff;text-decoration:none;padding:8px 12px;border-radius:999px;border:2px solid var(--ink)}\n    .cta:hover{opacity:.95;transform:translateY(-1px)}\n    .step{background:var(--muted);border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}\n    .step h4{margin:0 0 8px}\n    figure{margin:10px 0}\n    figcaption{font-size:.9rem;color:#646c82}\n    .note,.warn{border-radius:12px;padding:12px;border:1px solid var(--line);margin:16px 0}\n    .note{background:#f9fbff}\n    .warn{background:#fff6f6;border-color:#ffd7d7}\n    code,kbd{background:#f0f2f8;border:1px solid var(--line);padding:2px 6px;border-radius:8px}\n    ul.symptoms{columns:2;gap:24px}\n    .footer{margin:36px 0 8px;color:#68708a;font-size:.9rem}\n    a[target=\"_blank\"]::after{content:\" \u2197\";opacity:.55}\n  <\/style>\n<p><\/head><br \/>\n<body><\/p>\n<article class=\"wrap\">\n<header>\n<p class=\"lede\">\n        The ThinkPad T480 uses Lenovo\u2019s Power Bridge design: a small <em>internal<\/em> battery plus a removable <em>external<\/em> rear battery. The external pack is a quick swap; the guide below focuses on the internal battery replacement with clear, safe steps\u2014then shows how to put everything back together.\n      <\/p>\n<div class=\"note\">\n        <strong>Common battery-related symptoms on a T480<\/strong><\/p>\n<ul class=\"symptoms\">\n<li>Rapid percentage drops or unexpected shutdown at 15\u201330%.<\/li>\n<li>\u201cPlugged in, not charging\u201d or charging stuck at a fixed %.<\/li>\n<li>Battery Health\/Full Charge Capacity far below design value.<\/li>\n<li>Device runs only on AC; power loss when AC is unplugged.<\/li>\n<li>External pack drains but internal stays at 0% or vice versa.<\/li>\n<li>Physical swelling, hot battery, or a wobbly chassis bottom.<\/li>\n<\/ul>\n<p>        If you see any of the above\u2014especially swelling\u2014replace the affected battery and recycle it properly.\n      <\/p><\/div>\n<\/header>\n<section>\n<h2>Choose the correct T480 batteries <\/h2>\n<p class=\"lede\">All options below are T480-compatible. Pick one internal (required) and one external (your endurance choice).<\/p>\n<table class=\"table\">\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Capacity<\/th>\n<th>Product<\/th>\n<th>Buy<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Internal (built-in)<\/strong><\/td>\n<td>24Wh (01AV421)<\/td>\n<td>\n              <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av421-battery\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n                <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/wp-content\/uploads\/2025\/09\/Lenovo-01AV421-24Wh.jpg\" alt=\"Lenovo 01AV421 24Wh internal battery for ThinkPad T480\" width=\"220\"><br \/>\n              <\/a><\/p>\n<div>Essential for Power Bridge; enables hot-swap of the rear pack.<\/div>\n<\/td>\n<td>\n              <a class=\"cta\" href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av421-battery\/\" target=\"_blank\" rel=\"noopener\">Buy Internal 24Wh<\/a>\n            <\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\"><strong>External (rear, removable)<\/strong><\/td>\n<td>24Wh \u2014 61 (01AV423)<\/td>\n<td>\n              <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av423-61-battery\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n                <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/wp-content\/uploads\/2025\/09\/Lenovo-01AV423-24Wh.jpg\" alt=\"Lenovo 61 24Wh external battery for T480\" width=\"220\"><br \/>\n              <\/a><\/p>\n<div>Thinnest option; light daily use.<\/div>\n<\/td>\n<td>\n              <a class=\"cta\" href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av423-61-battery\/\" target=\"_blank\" rel=\"noopener\">Buy 24Wh 61<\/a>\n            <\/td>\n<\/tr>\n<tr>\n<td>48Wh \u2014 61+ (01AV427)<\/td>\n<td>\n              <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/48wh-lenovo-01av427-61-battery\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n                <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/wp-content\/uploads\/2025\/09\/Lenovo-61-48Wh.jpg\" alt=\"Lenovo 61+ 48Wh external battery for T480\" width=\"220\"><br \/>\n              <\/a><\/p>\n<div>Great balance of runtime vs. weight.<\/div>\n<\/td>\n<td>\n              <a class=\"cta\" href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/48wh-lenovo-01av427-61-battery\/\" target=\"_blank\" rel=\"noopener\">Buy 48Wh 61+<\/a>\n            <\/td>\n<\/tr>\n<tr>\n<td>72Wh \u2014 61++<\/td>\n<td>\n              <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/72wh-lenovo-61-battery\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n                <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/wp-content\/uploads\/2025\/09\/Lenovo-61-72Wh.jpg\" alt=\"Lenovo 61++ 72Wh external battery for T480\" width=\"220\"><br \/>\n              <\/a><\/p>\n<div>Maximum endurance; creates a \u201chumpback\u201d profile.<\/div>\n<\/td>\n<td>\n              <a class=\"cta\" href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/72wh-lenovo-61-battery\/\" target=\"_blank\" rel=\"noopener\">Buy 72Wh 61++<\/a>\n            <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"note\">\n        The <strong>external battery is simple to replace<\/strong>\u2014slide the latches and pull it out. The procedure below focuses on the <em>internal battery<\/em>.\n      <\/div>\n<\/section>\n<section>\n<h2>Safety first<\/h2>\n<ul>\n<li>Back up your data and shut down properly when prompted.<\/li>\n<li>Use a small Phillips screwdriver and an ESD strap if available.<\/li>\n<li>Do <em>not<\/em> work on a swollen or physically damaged battery\u2014replace it immediately and recycle properly.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>Disable the built-in battery (BIOS)<\/h2>\n<p>Before opening the chassis you must electronically disable the internal battery in BIOS.<\/p>\n<div class=\"step\">\n<h4>Step 1<\/h4>\n<p>Disconnect the power adapter.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 2<\/h4>\n<p>Press the power button.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 3<\/h4>\n<p>Tap the <kbd>F1<\/kbd> key repeatedly to enter the <strong>Setup<\/strong> (BIOS) menu.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 4<\/h4>\n<p>Select the <strong>Config<\/strong> menu.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 5<\/h4>\n<p>Select the <strong>Power<\/strong> menu option.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 6<\/h4>\n<p>Select <strong>Disable Built-in Battery<\/strong>.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 7<\/h4>\n<p>Select <strong>Yes<\/strong> in the confirmation box.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 8<\/h4>\n<p>The system will shut down, and the internal battery is disabled.<\/p>\n<\/div>\n<div class=\"warn\">\n        To re-enable the battery later, simply <strong>connect AC power<\/strong>. The system will re-arm the internal battery automatically.\n      <\/div>\n<\/section>\n<section>\n<h2>Remove Removable (External) battery<\/h2>\n<div class=\"step\">\n<h4>Step 1<\/h4>\n<p>Slide the latch marked with \u201c1\u201d to the unlocked position.<\/p>\n<\/div>\n<div class=\"step\">\n<h4>Step 2<\/h4>\n<p>Slide the latch marked with \u201c2\u201d to the unlocked position and slide the battery out to remove it.<\/p>\n<\/div>\n<\/section>\n<section>\n<h2>Base cover assembly<\/h2>\n<div class=\"step\">\n<h4>Step 1 \u2014 Remove the connector cover<\/h4>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-cover1.png\" alt=\"T480 connector cover location\"><figcaption>Pop off the small connector cover first.<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"step\">\n<h4>Step 2 \u2014 Loosen six screws<\/h4>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-cover2.png\" alt=\"T480 bottom screws to loosen\"><figcaption>Loosen (do not fully remove) the six captive screws on the bottom case.<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"step\">\n<h4>Step 3 \u2014 Lift and remove bottom cover<\/h4>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-cover3.png\" alt=\"Lift from center in battery bay to remove T480 base cover\"><figcaption>Lift from the center of the battery compartment and remove the cover.<\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<section>\n<h2>Built-in battery (internal) \u2014 removal<\/h2>\n<div class=\"step\">\n<h4>Step 1 \u2014 Disconnect<\/h4>\n<p>Disconnect the internal battery cable from the system board.<\/p>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-battery1.png\" alt=\"Disconnect internal battery cable on T480\"><figcaption>Gently pull the connector straight out\u2014don\u2019t lift by the wires.<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"step\">\n<h4>Step 2 \u2014 Unscrew<\/h4>\n<p>Remove the two (2) Phillips screws securing the internal battery.<\/p>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-battery2.png\" alt=\"Remove two screws securing internal T480 battery\"><figcaption>Keep screws in a cup so they don\u2019t go missing.<\/figcaption><\/figure>\n<\/p><\/div>\n<div class=\"step\">\n<h4>Step 3 \u2014 Lift out<\/h4>\n<p>Lift the battery from the system and set it aside for proper recycling if it\u2019s faulty.<\/p>\n<figure>\n          <img decoding=\"async\" src=\"https:\/\/www.buy-a-charger.co.uk\/blog\/wp-content\/uploads\/2025\/10\/t480-battery3.png\" alt=\"Lift and remove the internal battery from T480 chassis\"><figcaption>Avoid bending or puncturing the pack.<\/figcaption><\/figure>\n<\/p><\/div>\n<\/section>\n<section>\n<h2>Install the new internal battery &#038; reassemble<\/h2>\n<ol>\n<li>Place the new internal battery into position.<\/li>\n<li>Reinstall the two screws and tighten snugly (do not over-torque).<\/li>\n<li>Reconnect the battery cable to the system board.<\/li>\n<li>Re-fit the bottom cover from the hinge side, press around the edges to seat, then tighten the six screws.<\/li>\n<li>Reinstall the connector cover.<\/li>\n<li>Slide in your external (rear) battery and lock both latches.<\/li>\n<\/ol>\n<div class=\"note\">\n        <strong>Re-enable power:<\/strong> Plug in the AC adapter to re-enable the internal battery. Power on the laptop and verify charging LEDs and battery status in Windows\/Lenovo Vantage.\n      <\/div>\n<\/section>\n<section>\n<h2>Post-install checks &#038; tips<\/h2>\n<ul>\n<li><strong>Health check:<\/strong> In Lenovo Vantage, confirm <em>Full Charge Capacity<\/em> is close to the design value of the new pack.<\/li>\n<li><strong>Calibration (optional):<\/strong> Do one normal discharge to ~10\u201320% and charge to 100% uninterrupted to refine the gauge.<\/li>\n<li><strong>Conservation mode:<\/strong> If you mostly use AC power, enable charge thresholds (e.g., stop at ~80%) to reduce wear.<\/li>\n<li><strong>Thermals:<\/strong> Keep vents clear\u2014heat accelerates battery aging.<\/li>\n<\/ul>\n<\/section>\n<\/article>\n<p><\/body><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ThinkPad T480 uses Lenovo\u2019s Power Bridge design: a small internal battery plus a removable external rear battery. The external pack is a quick swap; the guide below focuses on the internal battery replacement with clear, safe steps\u2014then shows how to put everything back together. Common battery-related symptoms on a T480 Rapid percentage drops or [&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":[1],"tags":[],"class_list":["post-25116","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to install T480 battery? 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