{"product_id":"genuine-asus-a20-240p1a-adp-240eb-bc-240w-ac-adapter-charger","title":"Genuine ASUS A20-240P1A ADP-240EB BC 240W AC Adapter Charger","description":"\u003cstyle\u003e\n  :root{\n    --ink:#15181c;\n    --muted:#5a626c;\n    --line:#e4e7eb;\n    --accent:#b3162a;\n    --accent-soft:#fdeef0;\n    --bg:#ffffff;\n    --code:#f4f5f7;\n  }\n  *{box-sizing:border-box;}\n  body{\n    margin:0;\n    font-family:\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n    color:var(--ink);\n    background:var(--bg);\n    line-height:1.65;\n    font-size:17px;\n  }\n  .wrap{margin:0 auto;padding:48px 22px 80px;}\n  header.hero{border-bottom:3px solid var(--ink);padding-bottom:26px;margin-bottom:36px;}\n  .tag{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:14px;}\n  h1{font-size:33px;line-height:1.2;margin:0 0 12px;font-weight:800;}\n  .sub{color:var(--muted);font-size:18px;margin:0;}\n  h2{font-size:23px;margin:44px 0 14px;font-weight:700;border-left:4px solid var(--accent);padding-left:12px;}\n  h3{font-size:18px;margin:26px 0 8px;font-weight:700;}\n  p{margin:0 0 16px;}\n  ul{margin:0 0 18px;padding-left:22px;}\n  li{margin-bottom:8px;}\n  code{background:var(--code);padding:2px 7px;border-radius:5px;font-size:.92em;font-family:\"SFMono-Regular\",Consolas,monospace;}\n  table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15.5px;}\n  th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);}\n  th{background:var(--accent-soft);font-weight:700;width:42%;}\n  .callout{background:var(--accent-soft);border:1px solid #f3cdd2;border-radius:10px;padding:18px 20px;margin:24px 0;font-size:15.5px;}\n  .callout strong{color:var(--accent);}\n  .checklist{padding-left:0;}\n  .checklist li{position:relative;list-style:none;padding-left:28px;}\n  .checklist li::before{content:\"✓\";position:absolute;left:0;color:var(--accent);font-weight:800;}\n  .prot td:first-child{font-weight:700;width:34%;}\n\u003c\/style\u003e\n\u003cdiv class=\"wrap\"\u003e\n\u003cheader class=\"hero\"\u003e\u003cspan class=\"tag\"\u003eASUS Power · Buyer's Guide\u003c\/span\u003e\n\u003ch2\u003eASUS A20-240P1A (ADP-240EB BC) 240W Adapter: The Complete Buyer's Guide\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 20V \/ 12A, 240W OEM brick for ROG and TUF gaming laptops — what the two part numbers mean, why the rating must match exactly, and how to tell a genuine unit from a fake.\u003c\/p\u003e\n\u003c\/header\u003e\n\u003cp\u003eWhen a 240W ASUS gaming laptop starts draining its battery while plugged in, capping GPU clocks, or flashing a charger-wattage warning, the adapter is usually the culprit. The \u003cstrong\u003eA20-240P1A\u003c\/strong\u003e (ASUS's internal model) — also stamped \u003cstrong\u003eADP-240EB BC\u003c\/strong\u003e as the manufacturing part number — is the high-output brick these machines were designed around. This guide covers what it delivers, why you can't safely substitute a smaller one, and the checks worth doing before you buy.\u003c\/p\u003e\n\u003ch2\u003eTwo part numbers, one adapter\u003c\/h2\u003e\n\u003cp\u003ePeople often worry they've found the \"wrong\" charger because the listing shows two codes. They refer to the same product. \u003ccode\u003eA20-240P1A\u003c\/code\u003e is ASUS's model designation, while \u003ccode\u003eADP-240EB BC\u003c\/code\u003e is the OEM part number from the contract manufacturer that builds it. If your original adapter's label shows either code at 20V \/ 12A \/ 240W, you're looking at the correct replacement family.\u003c\/p\u003e\n\u003ch2\u003eThe spec at a glance\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eASUS (genuine OEM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eA20-240P1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOEM part number\u003c\/th\u003e\n\u003ctd\u003eADP-240EB BC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput voltage\u003c\/th\u003e\n\u003ctd\u003e20V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput current\u003c\/th\u003e\n\u003ctd\u003e12A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal power\u003c\/th\u003e\n\u003ctd\u003e240W (20 × 12)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput\u003c\/th\u003e\n\u003ctd\u003eAC 100–240V, 50\/60Hz (worldwide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCondition\u003c\/th\u003e\n\u003ctd\u003eGenuine OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy 20V and 240W aren't negotiable\u003c\/h2\u003e\n\u003cp\u003eThe voltage is the safety-critical figure. A 240W ROG or TUF laptop expects exactly \u003cstrong\u003e20V\u003c\/strong\u003e; a higher voltage can stress or damage the charging circuit, while a lower one typically means no charge at all. Note that this is different from older 19.5V ASUS bricks — 20V and 19.5V units are \u003cem\u003enot\u003c\/em\u003e freely interchangeable, so check the decimal on your label.\u003c\/p\u003e\n\u003cp\u003eThe 240W rating exists because these laptops can pull close to that under a combined CPU + GPU load. Plug in a 180W or 200W adapter and the system protects itself by throttling performance and topping up the battery more slowly — and during heavy gaming the battery may discharge even while connected. Current is a ceiling, not a target: a same-voltage adapter rated for equal or higher wattage is the safe choice; going below the original 12A is what causes the slowdowns.\u003c\/p\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eRule of thumb:\u003c\/strong\u003e match the voltage \u003cem\u003eexactly\u003c\/em\u003e (\u003ccode\u003e20V\u003c\/code\u003e, not 19.5V), keep wattage equal or higher (\u003ccode\u003e≥240W\u003c\/code\u003e), and confirm the connector physically fits.\u003c\/div\u003e\n\u003ch2\u003eWhat the five protections actually do\u003c\/h2\u003e\n\u003cp\u003eGenuine ASUS bricks build in multiple protection circuits. These aren't marketing letters — each guards against a specific failure mode, which is exactly what cheap unbranded adapters tend to skip:\u003c\/p\u003e\n\u003ctable class=\"prot\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOVP\u003c\/td\u003e\n\u003ctd\u003eOver-voltage — cuts output if voltage spikes above the safe limit, protecting the laptop board.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOCP\u003c\/td\u003e\n\u003ctd\u003eOver-current — limits current draw so a fault can't pull dangerously high amperage.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOLP\u003c\/td\u003e\n\u003ctd\u003eOverload — shuts down if total load exceeds the adapter's rated capacity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCP\u003c\/td\u003e\n\u003ctd\u003eShort-circuit — instantly stops output if the terminals are shorted.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOTP\u003c\/td\u003e\n\u003ctd\u003eOver-temperature — throttles or cuts power if the brick overheats.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eGenuine vs. generic: how to tell\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight and build:\u003c\/strong\u003e a real 240W brick is dense and substantial; suspiciously light units often skimp on internal components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLabel detail:\u003c\/strong\u003e genuine labels print both \u003ccode\u003eA20-240P1A\u003c\/code\u003e and \u003ccode\u003eADP-240EB BC\u003c\/code\u003e, the full 20V\/12A\/240W rating, regulatory marks, and clean, sharp text.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat under load:\u003c\/strong\u003e a properly rated adapter runs warm, not hot; an under-spec'd clone overheats during gaming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector fit:\u003c\/strong\u003e the plug should seat firmly with no wobble. A loose fit causes intermittent charging and arcing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhich laptops use it\u003c\/h2\u003e\n\u003cp\u003eThe A20-240P1A \/ ADP-240EB BC supplies ASUS systems built to a 240W power budget, including select models in these families:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eROG Strix series\u003c\/li\u003e\n\u003cli\u003eROG Zephyrus series\u003c\/li\u003e\n\u003cli\u003eROG Scar series\u003c\/li\u003e\n\u003cli\u003eTUF Gaming series\u003c\/li\u003e\n\u003cli\u003eOther ASUS gaming and creator laptops specifying 20V \/ 12A \/ 240W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSeries names are a guide, not a guarantee — the same line ships with different power requirements across configurations, so confirm against your own adapter's label.\u003c\/p\u003e\n\u003ch2\u003eBefore you order: a 60-second check\u003c\/h2\u003e\n\u003cul class=\"checklist\"\u003e\n\u003cli\u003eRead your current adapter's label and confirm \u003ccode\u003e20V\u003c\/code\u003e and \u003ccode\u003e12A\u003c\/code\u003e (or the 240W total) — and that it says 20V, not 19.5V.\u003c\/li\u003e\n\u003cli\u003eMatch either part number: \u003ccode\u003eA20-240P1A\u003c\/code\u003e or \u003ccode\u003eADP-240EB BC\u003c\/code\u003e.\u003c\/li\u003e\n\u003cli\u003eCompare the plug shape and size to your laptop's port.\u003c\/li\u003e\n\u003cli\u003eConfirm the input reads \u003ccode\u003e100–240V\u003c\/code\u003e so it works anywhere you travel.\u003c\/li\u003e\n\u003cli\u003eIf the original is lost, look up your exact laptop model in ASUS's spec sheet to confirm it requires 240W.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"callout\"\u003e\n\u003cstrong\u003eBottom line:\u003c\/strong\u003e the A20-240P1A \/ ADP-240EB BC is the right replacement when your ASUS laptop's label reads 20V \/ 12A \/ 240W. Match the voltage exactly, keep the wattage at 240W or above, and you'll get full-speed charging and protected hardware — without the throttling and heat that under-rated or generic adapters cause.\u003c\/div\u003e\n\u003cfooter style=\"margin-top: 54px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13.5px;\"\u003eAlways verify your original adapter's model number, part number, voltage, amperage, wattage, and connector type before purchasing. Specifications reflect the standard A20-240P1A \/ ADP-240EB BC rating; individual laptop requirements vary by configuration.\u003c\/footer\u003e\n\u003c\/div\u003e","brand":"ZhanPeng","offers":[{"title":"Default Title","offer_id":47605621915826,"sku":null,"price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/8646\/9298\/files\/200_8708562a-2f39-46bc-89a2-385d2cc2976e.jpg?v=1782009747","url":"https:\/\/laptopbatteriesadapters.com\/products\/genuine-asus-a20-240p1a-adp-240eb-bc-240w-ac-adapter-charger","provider":"ZhanPeng","version":"1.0","type":"link"}