{"product_id":"king-eboyee-thinkpad-t470-t480-t580-internal-battery-01av421","title":"King EBOYEE ThinkPad T470 T480 T580 Internal Battery 01AV421","description":"\u003cp\u003e\u003cstrong\u003eKing EBOYEE 01AV421 is a direct internal replacement battery built to revive Lenovo ThinkPad T470\/T480\/T580\/A475\/A485 and TP25 notebooks with the same fit and electrical specs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your ThinkPad no longer holds a charge or shuts down unpredictably, this King EBOYEE internal battery is manufactured to match Lenovo part numbers 01AV421, 01AV419, 01AV489, 01AV420 and SB10K97577\/576\/578. It delivers 11.46V and 24Wh across three cells, arrives as a new unit with screwdrivers and installation instructions, and includes a smart protection circuit to reduce the risk of overcharge, overheating, and short circuits. This description explains compatibility, installation basics, performance expectations, and who benefits most from this replacement battery.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Lenovo models and part numbers will this battery fit?\u003c\/h3\u003e\n\u003cp\u003eThis King EBOYEE battery replaces a set of internal Lenovo part numbers and is designed for specific ThinkPad series. Confirm your old battery’s part number before purchasing to ensure a proper match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible part numbers: 01AV421, 01AV419, 01AV489, 01AV420, SB10K97577, SB10K97576, SB10K97578\u003c\/li\u003e\n  \u003cli\u003eFits Lenovo ThinkPad models: T470 series, T480 series, T580 series, A475, A485, and TP25 (25th Anniversary) notebooks\u003c\/li\u003e\n  \u003cli\u003eVoltage \u0026amp; capacity: 11.46V \/ 24Wh, 3-cell configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation — do I need tools or technical skills?\u003c\/h3\u003e\n\u003cp\u003eThis is an internal battery replacement, so you’ll need to open the laptop’s back cover. The package includes two screwdrivers and step-by-step instructions to simplify the swap, but basic comfort with small electronics helps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires screwdriver to remove back case—tools included in the package\u003c\/li\u003e\n  \u003cli\u003eFollow the enclosed manual for safe removal and reconnection of the internal battery plug\u003c\/li\u003e\n  \u003cli\u003eIf unsure, consider professional installation to avoid damaging connectors or casing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and safety features does the King EBOYEE battery offer?\u003c\/h3\u003e\n\u003cp\u003eThe battery uses Grade A cells and a built-in smart chip that manages charging and protects against common electrical faults. It’s designed to be cycle-resistant and comes with warranty and support for peace of mind.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart protection: overcharge, overheat, and short-circuit safeguards\u003c\/li\u003e\n  \u003cli\u003eRated for 500+ charge cycles with UL\/CE\/FCC-compliant cells\u003c\/li\u003e\n  \u003cli\u003eIncludes a 12-month warranty and 24\/7 customer support from the seller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this replacement restore my laptop’s original runtime?\u003c\/h3\u003e\n\u003cp\u003eReplacing a degraded internal battery with the correct spec battery typically returns runtime close to the original design, but actual runtime depends on your device settings, age of other components, and workload.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatches original voltage and capacity (11.46V, 24Wh) for predictable performance\u003c\/li\u003e\n  \u003cli\u003eNew Grade A cells often restore most of the original battery life\u003c\/li\u003e\n  \u003cli\u003ePower management settings and background tasks will still affect total runtime\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This internal replacement battery is intended for owners of Lenovo ThinkPad T470, T480, T580, A475, A485, or TP25 notebooks who need the exact internal part match (01AV421\/01AV419\/01AV489\/01AV420 or SB10K97577 series) and are comfortable opening their laptop or arranging professional installation. Choose this King EBOYEE pack if you want a new internal battery with included installation tools, smart protection circuitry, compliance certifications, and a one-year warranty to replace a failing original battery and regain reliable mobile power.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this battery internal or external?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This is an internal battery; you must open the laptop’s back cover to replace it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which Lenovo part numbers does it replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces 01AV421, 01AV419, 01AV489, 01AV420 and SB10K97577\/576\/578 part numbers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"King EBOYEE","offers":[{"title":"Default Title","offer_id":48413396009117,"sku":"B0GGY5DYPH","price":47.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/king-eboyee-01av421-front-view.jpg?v=1781263142","url":"https:\/\/nexoltic.com\/products\/king-eboyee-thinkpad-t470-t480-t580-internal-battery-01av421","provider":"Nexoltic","version":"1.0","type":"link"}