{"id":25357,"date":"2026-01-15T12:33:28","date_gmt":"2026-01-15T12:33:28","guid":{"rendered":"https:\/\/www.buy-a-charger.co.uk\/blog\/?p=25357"},"modified":"2026-01-28T12:37:41","modified_gmt":"2026-01-28T12:37:41","slug":"restore-or-upgrade-lenovo-thinkpad-t480-battery-life-replacement-runtime-upgrade-guide","status":"publish","type":"post","link":"https:\/\/www.buy-a-charger.co.uk\/blog\/restore-or-upgrade-lenovo-thinkpad-t480-battery-life-replacement-runtime-upgrade-guide\/","title":{"rendered":"Restore (or Upgrade) Lenovo ThinkPad T480 Battery Life: Replacement &#038; Runtime Upgrade Guide"},"content":{"rendered":"<article class=\"blog-post\">\n<header>\n<p>\n      The ThinkPad T480 is famous for a feature many modern laptops lost: a <strong>dual-battery<\/strong> design (Lenovo \u201cPower Bridge\u201d style).<br \/>\n      That\u2019s great news \u2014because it means you can <strong>restore<\/strong> worn-out runtime by replacing ageing batteries,<br \/>\n      or <strong>upgrade<\/strong> runtime by moving to a higher-capacity external pack.\n    <\/p>\n<div style=\"margin:16px 0; padding:14px; border:1px solid #ddd; border-radius:10px;\">\n      <strong>Quick links (T480 batteries):<\/strong><br \/>\n      <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product-tag\/lenovo-thinkpad-t480-battery\/\" target=\"_blank\" rel=\"noopener\">View all ThinkPad T480 battery options<\/a><br \/>\n      <span style=\"display:inline-block; margin:0 8px;\">|<\/span><br \/>\n      <a href=\"#choose\">Jump to: Which battery should I buy?<\/a><br \/>\n      <span style=\"display:inline-block; margin:0 8px;\">|<\/span><br \/>\n      <a href=\"#install\">Jump to: Installation overview<\/a>\n    <\/div>\n<\/header>\n<nav aria-label=\"Table of contents\">\n<h2>Table of Contents<\/h2>\n<ol>\n<li><a href=\"#why-runtime-drops\">Why T480 battery life drops over time<\/a><\/li>\n<li><a href=\"#t480-design\">How the ThinkPad T480 dual-battery system works<\/a><\/li>\n<li><a href=\"#symptoms\">Common signs your T480 battery needs replacement<\/a><\/li>\n<li><a href=\"#choose\">Choose the right replacement or upgrade battery<\/a><\/li>\n<li><a href=\"#runtime-math\">How much extra runtime will you really get?<\/a><\/li>\n<li><a href=\"#before-you-buy\">Before you buy: confirm compatibility &amp; diagnose properly<\/a><\/li>\n<li><a href=\"#install\">Installation overview (external + internal)<\/a><\/li>\n<li><a href=\"#after-install\">After installation: calibration &amp; best Lenovo Vantage settings<\/a><\/li>\n<li><a href=\"#battery-saving\">Extra tips to stretch runtime (without buying anything)<\/a><\/li>\n<li><a href=\"#faq\">FAQ<\/a><\/li>\n<\/ol>\n<\/nav>\n<section id=\"why-runtime-drops\">\n<h2>1) Why T480 battery life drops over time<\/h2>\n<p>\n      All lithium batteries wear out. Over hundreds of charge cycles, the pack\u2019s <strong>usable capacity<\/strong> gradually shrinks.<br \/>\n      On a ThinkPad T480, you may not notice it at first\u2014until you suddenly go from \u201ca workday\u201d to \u201ca couple of hours\u201d.\n    <\/p>\n<p>\n      Typical wear accelerators include:\n    <\/p>\n<ul>\n<li><strong>Heat:<\/strong> gaming\/heavy workloads while charging, blocked vents, hot rooms.<\/li>\n<li><strong>Always sitting at 100%:<\/strong> keeping the battery full for long periods increases stress.<\/li>\n<li><strong>Deep discharges:<\/strong> frequent 0\u20135% runs can be rough on older packs.<\/li>\n<li><strong>Age:<\/strong> even lightly used batteries degrade over years.<\/li>\n<\/ul>\n<\/section>\n<section id=\"t480-design\">\n<h2>2) How the ThinkPad T480 dual-battery system works<\/h2>\n<p>\n      Most T480 configurations use:\n    <\/p>\n<ul>\n<li><strong>One internal battery<\/strong> (inside the chassis)<\/li>\n<li><strong>One removable external battery<\/strong> (hot-swappable style)<\/li>\n<\/ul>\n<p>\n      This design gives you two big advantages:\n    <\/p>\n<ul>\n<li><strong>Flexible replacement:<\/strong> you can replace the external pack in seconds, and the internal battery when needed.<\/li>\n<li><strong>Upgrade path:<\/strong> you can increase runtime by choosing a higher-capacity external pack (e.g., 48Wh or 72Wh).<\/li>\n<\/ul>\n<\/section>\n<section id=\"symptoms\">\n<h2>3) Common signs your T480 battery needs replacement<\/h2>\n<ul>\n<li><strong>Runtime collapses:<\/strong> it drops from hours to minutes compared to when the laptop was newer.<\/li>\n<li><strong>Percentage jumps:<\/strong> battery % suddenly falls, sticks, or jumps upward after reboot.<\/li>\n<li><strong>Unexpected shutdowns:<\/strong> the laptop powers off at 20\u201340% (bad calibration or weak cells).<\/li>\n<li><strong>Charging feels \u201cslow\u201d or inconsistent:<\/strong> especially if the pack is old or heavily worn.<\/li>\n<li><strong>One battery is doing all the work:<\/strong> internal or external shows very low full-charge capacity in diagnostics.<\/li>\n<\/ul>\n<p>\n      If your T480 still runs fine on AC power but dies quickly on battery, a replacement is often the most cost-effective \u201cperformance upgrade\u201d you can do.\n    <\/p>\n<\/section>\n<section id=\"choose\">\n<h2>4) Choose the right replacement or upgrade battery<\/h2>\n<p>\n      Here are common T480 battery options, including straightforward replacements and runtime upgrades.<br \/>\n      (Use the product cards below to open each option.)\n    <\/p>\n<h3>4.1 Battery options (replacement + upgrade)<\/h3>\n<div style=\"overflow-x:auto; margin:12px 0;\">\n<table style=\"width:100%; border-collapse:collapse; min-width:860px;\">\n<thead>\n<tr>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Battery<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Type<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Capacity<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Best for<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Link<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><strong>01AV421<\/strong><\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Internal<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">24Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Replacing a worn internal battery; stabilising shutdowns and % jumps<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av421-battery\/\" target=\"_blank\" rel=\"noopener\">View<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><strong>01AV423 (61)<\/strong><\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">External<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">24Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Quick external replacement; lightest profile<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av423-61-battery\/\" target=\"_blank\" rel=\"noopener\">View<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><strong>01AV427 (61)<\/strong><\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">External<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">48Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Best balance: noticeable runtime upgrade without going \u201cmax size\u201d<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/48wh-lenovo-01av427-61-battery\/\" target=\"_blank\" rel=\"noopener\">View<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><strong>Lenovo 61<\/strong><\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">External<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">72Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Maximum runtime for travel and long unplugged work sessions<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\"><a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/72wh-lenovo-61-battery\/\" target=\"_blank\" rel=\"noopener\">View<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<h3>4.2 What most T480 users should do (simple recommendations)<\/h3>\n<ul>\n<li><strong>If your runtime is terrible:<\/strong> replace <strong>both<\/strong> the internal and external batteries (restore the original experience).<\/li>\n<li><strong>If the external battery is the main problem:<\/strong> replace external first (fastest fix).<\/li>\n<li><strong>If you want a real upgrade:<\/strong> keep\/replace internal 24Wh, and upgrade the external to <strong>48Wh<\/strong> or <strong>72Wh<\/strong>.<\/li>\n<li><strong>If you travel or work unplugged a lot:<\/strong> 72Wh external is the \u201cgo long\u201d choice.<\/li>\n<li><strong>If you want a balanced everyday upgrade:<\/strong> 48Wh external is often the best value-to-runtime ratio.<\/li>\n<\/ul>\n<div style=\"margin:18px 0; padding:14px; border:1px solid #ddd; border-radius:10px; background:#fafafa;\">\n      <strong>Shop the full T480 battery collection:<\/strong><br \/>\n      <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product-tag\/lenovo-thinkpad-t480-battery\/\" target=\"_blank\" rel=\"noopener\">ThinkPad T480 Batteries<\/a>\n    <\/div>\n<h3>4.3 Product cards (with images)<\/h3>\n<div style=\"display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:14px; margin-top:10px;\">\n<div style=\"border:1px solid #e5e5e5; border-radius:12px; padding:12px;\">\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-324x324.jpg\" alt=\"24Wh Lenovo 01AV421 Internal Battery for ThinkPad T480\" style=\"width:100%; height:auto; border-radius:10px;\"><br \/>\n        <\/a><\/p>\n<h4 style=\"margin:10px 0 6px;\">24Wh Lenovo 01AV421 (Internal)<\/h4>\n<p style=\"margin:0 0 10px;\">Restore stability and baseline runtime by replacing the internal pack.<\/p>\n<p>        <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av421-battery\/\" target=\"_blank\" rel=\"noopener\">View product<\/a>\n      <\/div>\n<div style=\"border:1px solid #e5e5e5; border-radius:12px; padding:12px;\">\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-324x324.jpg\" alt=\"24Wh Lenovo 01AV423 (61) External Battery for ThinkPad T480\" style=\"width:100%; height:auto; border-radius:10px;\"><br \/>\n        <\/a><\/p>\n<h4 style=\"margin:10px 0 6px;\">24Wh Lenovo 01AV423 (61) (External)<\/h4>\n<p style=\"margin:0 0 10px;\">Quickest replacement. Keeps the laptop slim and light.<\/p>\n<p>        <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/24wh-lenovo-01av423-61-battery\/\" target=\"_blank\" rel=\"noopener\">View product<\/a>\n      <\/div>\n<div style=\"border:1px solid #e5e5e5; border-radius:12px; padding:12px;\">\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-324x324.jpg\" alt=\"48Wh Lenovo 01AV427 (61) External Battery for ThinkPad T480\" style=\"width:100%; height:auto; border-radius:10px;\"><br \/>\n        <\/a><\/p>\n<h4 style=\"margin:10px 0 6px;\">48Wh Lenovo 01AV427 (61) (External)<\/h4>\n<p style=\"margin:0 0 10px;\">A strong, practical upgrade\u2014more runtime without going max size.<\/p>\n<p>        <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/48wh-lenovo-01av427-61-battery\/\" target=\"_blank\" rel=\"noopener\">View product<\/a>\n      <\/div>\n<div style=\"border:1px solid #e5e5e5; border-radius:12px; padding:12px;\">\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-416x416.jpg\" alt=\"72Wh Lenovo 61 External Battery for ThinkPad T480\" style=\"width:100%; height:auto; border-radius:10px;\"><br \/>\n        <\/a><\/p>\n<h4 style=\"margin:10px 0 6px;\">72Wh Lenovo 61 (External)<\/h4>\n<p style=\"margin:0 0 10px;\">Maximum unplugged runtime\u2014ideal for travel and long workdays.<\/p>\n<p>        <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product\/72wh-lenovo-61-battery\/\" target=\"_blank\" rel=\"noopener\">View product<\/a>\n      <\/div>\n<\/p><\/div>\n<\/section>\n<section id=\"runtime-math\">\n<h2>5) How much extra runtime will you really get?<\/h2>\n<p>\n      Battery runtime is mostly a simple relationship:<br \/>\n      <strong>Runtime (hours) \u2248 Battery energy (Wh) \u00f7 Average power draw (W)<\/strong>.\n    <\/p>\n<p>\n      If your T480 averages <strong>6W<\/strong> during light work (docs, browsing, low brightness), then:\n    <\/p>\n<div style=\"overflow-x:auto; margin:12px 0;\">\n<table style=\"width:100%; border-collapse:collapse; min-width:720px;\">\n<thead>\n<tr>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Battery energy<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Example average draw<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">Approx runtime<\/th>\n<th style=\"text-align:left; padding:10px; border-bottom:2px solid #ddd;\">What it means<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">24Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">6W<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">~4 hours<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Baseline pack (light use)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">48Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">6W<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">~8 hours<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">A meaningful everyday upgrade<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">72Wh<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">6W<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">~12 hours<\/td>\n<td style=\"padding:10px; border-bottom:1px solid #eee;\">Maximum travel\/workday runtime<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>\n      Real-world runtime varies based on brightness, Wi-Fi signal, background apps, CPU load, and battery age.<br \/>\n      Still, the Wh comparison is the most honest way to estimate the upgrade benefit: <strong>72Wh is about 3\u00d7 the energy of 24Wh<\/strong>.\n    <\/p>\n<\/section>\n<section id=\"before-you-buy\">\n<h2>6) Before you buy: confirm compatibility &amp; diagnose properly<\/h2>\n<h3>6.1 Check battery health (Windows + Lenovo Vantage)<\/h3>\n<ul>\n<li><strong>Lenovo Vantage:<\/strong> Look for battery details such as full charge capacity and battery health status.<\/li>\n<li><strong>Windows battery report:<\/strong> Generates a simple report showing design capacity vs full charge capacity.<\/li>\n<\/ul>\n<pre style=\"background:#0b1020; color:#e8e8e8; padding:12px; border-radius:10px; overflow:auto;\"><code>powercfg \/batteryreport<\/code><\/pre>\n<p>\n      If the \u201cfull charge capacity\u201d is far below the design capacity, the pack is worn and replacement is the correct fix.<br \/>\n      If capacity looks fine but the percentage is inaccurate, calibration can help (see below).\n    <\/p>\n<h3>6.2 Decide if you\u2019re restoring or upgrading<\/h3>\n<ul>\n<li><strong>Restore:<\/strong> replace the worn battery (internal, external, or both).<\/li>\n<li><strong>Upgrade:<\/strong> choose a higher-capacity external battery (48Wh or 72Wh) to increase runtime.<\/li>\n<\/ul>\n<\/section>\n<section id=\"install\">\n<h2>7) Installation overview (external + internal)<\/h2>\n<div style=\"margin:12px 0; padding:12px; border:1px solid #eee; border-radius:10px; background:#fffdf2;\">\n      <strong>Safety first:<\/strong> Power off the laptop completely, unplug the charger, and avoid static electricity.<br \/>\n      If you are not comfortable opening electronics, ask a professional technician.\n    <\/div>\n<h3>7.1 External battery replacement (fastest)<\/h3>\n<ol>\n<li>Shut down Windows (don\u2019t just sleep).<\/li>\n<li>Unplug the charger and all accessories.<\/li>\n<li>Release the external battery latches and remove the pack.<\/li>\n<li>Insert the new external battery until it clicks into place.<\/li>\n<li>Boot and confirm Windows\/Lenovo Vantage detects the battery.<\/li>\n<\/ol>\n<h3>7.2 Internal battery replacement (more involved)<\/h3>\n<p>\n      The internal battery sits inside the chassis. Many ThinkPads include a BIOS option to<br \/>\n      <strong>disable the built-in battery<\/strong> before servicing (menu naming can vary).<br \/>\n      Use that feature if available, then proceed with a careful replacement.\n    <\/p>\n<ol>\n<li>Back up important work and shut down.<\/li>\n<li>Unplug AC power and peripherals.<\/li>\n<li>(Optional but recommended) In BIOS\/UEFI: use \u201cDisable built-in battery\u201d for servicing if the option exists.<\/li>\n<li>Remove the bottom cover screws and carefully lift the cover.<\/li>\n<li>Disconnect the internal battery connector, remove screws holding the battery, and replace with the new pack.<\/li>\n<li>Reconnect the battery, reinstall the cover, then power on and verify detection.<\/li>\n<\/ol>\n<p>\n      If you\u2019re restoring performance, replacing the internal 24Wh pack often helps with:<br \/>\n      unexpected shutdowns, unstable percentage readings, and reduced baseline runtime.\n    <\/p>\n<\/section>\n<section id=\"after-install\">\n<h2>8) After installation: calibration &amp; best Lenovo Vantage settings<\/h2>\n<h3>8.1 First charge after replacement<\/h3>\n<ul>\n<li>Charge the laptop normally and let Windows settle for a few minutes after boot.<\/li>\n<li>Run a normal usage session and confirm the discharge rate feels consistent.<\/li>\n<\/ul>\n<h3>8.2 Battery calibration (when needed)<\/h3>\n<p>\n      If the percentage is inaccurate (drops quickly, jumps, or shuts down early), a battery gauge reset\/calibration can help.<br \/>\n      Do this only if you actually have symptoms\u2014calibration is not needed every month.\n    <\/p>\n<ul>\n<li>Use Lenovo Vantage battery tools if available (menu names vary by version).<\/li>\n<li>Alternatively, perform a controlled discharge\/charge cycle (avoid frequent deep discharges after calibration).<\/li>\n<\/ul>\n<h3>8.3 Best default settings for longer battery lifespan<\/h3>\n<ul>\n<li><strong>Enable a charge threshold<\/strong> (for example, cap at ~80%) if you stay plugged in often.<\/li>\n<li><strong>Avoid constant 100%<\/strong> when the laptop sits on AC all day.<\/li>\n<li><strong>Keep the laptop cool<\/strong> (heat speeds up wear).<\/li>\n<\/ul>\n<\/section>\n<section id=\"battery-saving\">\n<h2>9) Extra tips to stretch runtime (without buying anything)<\/h2>\n<h3>9.1 Reduce power draw (the fastest wins)<\/h3>\n<ul>\n<li><strong>Screen brightness:<\/strong> the #1 battery killer for many users\u2014drop it slightly.<\/li>\n<li><strong>Browser discipline:<\/strong> fewer tabs + fewer heavy extensions reduces CPU spikes.<\/li>\n<li><strong>Background apps:<\/strong> check Task Manager for unexpected CPU usage.<\/li>\n<li><strong>Windows power mode:<\/strong> use \u201cBalanced\u201d for daily work; avoid \u201cBest performance\u201d on battery.<\/li>\n<\/ul>\n<h3>9.2 Keep the laptop efficient<\/h3>\n<ul>\n<li>Update drivers when stable (Wi-Fi\/graphics can affect power draw).<\/li>\n<li>Restart occasionally\u2014long uptimes can accumulate background tasks.<\/li>\n<li>If your SSD is nearly full, free space can improve overall responsiveness (and reduce \u201cthrash\u201d).<\/li>\n<\/ul>\n<\/section>\n<section id=\"faq\">\n<h2>FAQ<\/h2>\n<h3>Does the ThinkPad T480 have two batteries?<\/h3>\n<p>\n      Many T480 configurations use a dual-battery setup: an internal battery plus a removable external battery.<br \/>\n      This is why the T480 is great for restoring and upgrading runtime.\n    <\/p>\n<h3>Is upgrading from 24Wh to 48Wh or 72Wh worth it?<\/h3>\n<p>\n      If you work unplugged, yes. Capacity (Wh) is directly tied to runtime. A 48Wh pack has about 2\u00d7 the energy of 24Wh,<br \/>\n      and 72Wh has about 3\u00d7\u2014so the upgrade is usually very noticeable.\n    <\/p>\n<h3>Should I replace internal, external, or both?<\/h3>\n<p>\n      If the laptop dies quickly and you don\u2019t know which pack is weak, replacing both restores the full \u201cPower Bridge\u201d experience.<br \/>\n      If only the external pack is worn, replacing external is the fastest fix. If you want an upgrade, choose a higher-capacity external pack.\n    <\/p>\n<h3>Why does my battery stop charging at around 80%?<\/h3>\n<p>\n      If a charge threshold \/ conservation feature is enabled in Lenovo Vantage, the laptop may intentionally stop at a set level<br \/>\n      to reduce battery wear. That behaviour is normal when the feature is turned on.\n    <\/p>\n<h3>Will a bigger external battery change the shape of the laptop?<\/h3>\n<p>\n      Higher-capacity external batteries can be physically larger on some ThinkPad models. The trade-off is more runtime.<br \/>\n      If you prioritise portability, choose 24Wh; if you prioritise unplugged endurance, choose 48Wh or 72Wh.\n    <\/p>\n<\/section>\n<footer>\n<div style=\"margin:18px 0; padding:14px; border:1px solid #ddd; border-radius:10px;\">\n<h2 style=\"margin-top:0;\">Recommended next step<\/h2>\n<p style=\"margin:0 0 10px;\">\n        If your T480 battery life has dropped, you can fix it quickly by replacing the worn pack\u2014or upgrade your runtime with a higher-capacity external battery.\n      <\/p>\n<p style=\"margin:0;\">\n        <a href=\"https:\/\/www.buy-a-charger.co.uk\/pcbattery\/product-tag\/lenovo-thinkpad-t480-battery\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n          Shop ThinkPad T480 replacement &amp; upgrade batteries<br \/>\n        <\/a>\n      <\/p>\n<\/p><\/div>\n<\/footer>\n<\/article>\n","protected":false},"excerpt":{"rendered":"<p>The ThinkPad T480 is famous for a feature many modern laptops lost: a dual-battery design (Lenovo \u201cPower Bridge\u201d style). That\u2019s great news \u2014because it means you can restore worn-out runtime by replacing ageing batteries, or upgrade runtime by moving to a higher-capacity external pack. Quick links (T480 batteries): View all ThinkPad T480 battery options | [&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-25357","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Restore (or Upgrade) Lenovo ThinkPad T480 Battery Life: Replacement &amp; 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