{"product_id":"11-4v-3680mah-wy9dx-laptop-battery-for-dell-latitude-5420-5520","title":"11.4V 3680mAh WY9DX Laptop Battery for Dell Latitude 5420 5520","description":"\u003ch3\u003e\u003cb\u003e⚠️ IMPORTANT BUYING NOTICE:\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWY9DX Standard 3-Cell Configuration:\u003c\/b\u003e This professional-grade \u003cb\u003e11.40V\u003c\/b\u003e Lithium-Polymer (Li-Polymer) internal replacement battery pack features a highly compact, thin-layer layout measuring exactly \u003cb\u003e214.80 x 103.00 x 5.80 mm\u003c\/b\u003e and weighing a lightweight \u003cb\u003e164.00 g\u003c\/b\u003e. It drops completely flat into the lower chassis compartment of your laptop without causing outer frame bulging, uneven casing tension, or internal trackpad click resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCapacity \u0026amp; Voltage Verification (Crucial Rule):\u003c\/b\u003e Please note that this is the standard \u003cb\u003e42.00 Wh (3-cell)\u003c\/b\u003e configuration module under part numbers \u003cb\u003eWY9DX or 005R42\u003c\/b\u003e. Do not confuse it with the larger \u003cb\u003eRJ40G (63Wh \/ 4-cell)\u003c\/b\u003e battery module. While both versions are compatible with the same laptop models, they feature entirely different operational physical lengths and voltages (\u003cb\u003e11.4V\u003c\/b\u003e vs \u003cb\u003e15.2V\u003c\/b\u003e). You must verify your original battery's print to ensure a correct layout match.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompatibility Verification:\u003c\/b\u003e Before completing your purchase, please unscrew your laptop's bottom plate to verify that your original factory battery displays a native operational voltage rating of \u003cb\u003e11.4V\u003c\/b\u003e and explicitly matches part numbers \u003cb\u003eWY9DX or 005R42\u003c\/b\u003e.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e⚡ CONTINUOUS VOLTAGE DELIVERY \u0026amp; ENTERPRISE PERFORMANCE RESTORATION:\u003c\/b\u003e Bring back the full mobile efficiency and all-day wireless performance of your workstation with this premium, brand-new replacement internal Li-Polymer battery. Specifically engineered around a stable \u003cb\u003e11.40V\u003c\/b\u003e power circuit and packed with a reliable capacity of \u003cb\u003e3680 mAh (42.00 Wh)\u003c\/b\u003e, this battery ensures a steady, clean flow of current during demanding multi-tasking, computational processes, and daily corporate workloads. It serves as an immediate drop-in solution to correct common hardware aging anomalies, such as swift battery drain, unexpected performance drops under processing loads, erratic percentage indicators, or a total refusal to power on without the original AC charger attached. Built with an on-board intelligent protection microchip array, it continuously safeguards your premium system investment from over-charge, over-discharge, shorted electrical loops, and extreme thermal shifts.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eCompatible Original Part Numbers:\u003c\/b\u003e WY9DX, 005R42\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eComprehensive Laptop Compatibility List:\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eDell Latitude Commercial Business Systems\u003c\/b\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDell Latitude 14-Inch Workstations:\u003c\/b\u003e Latitude 14 5420\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDell Latitude 15-Inch Desktop Mainstays:\u003c\/b\u003e Latitude 15 5520\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp id=\"p-rc_70c64707576dc97c-46\"\u003e\u003cb\u003eDisclaimer:\u003c\/b\u003e The batteries and other products supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computers with which our products [are replacement for] \u003cspan class=\"citation-191\"\u003e\u003c\/span\u003e\u003cspan class=\"citation-191 citation-192 citation-end-192\"\u003emay be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through ou\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan class=\"citation-191 citation-end-191\"\u003er Website manufactured by or sold with the authorization of the manufacturer\u003csup class=\"superscript\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003es with which our products [are replacement for] may be used\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Powersmart","offers":[{"title":"Default Title","offer_id":45805726990370,"sku":"NDE253.42P","price":38.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/8293\/0978\/files\/NDE253.42P_4.jpg?v=1782115474","url":"https:\/\/www.batterie-center.com\/nl\/products\/11-4v-3680mah-wy9dx-laptop-battery-for-dell-latitude-5420-5520","provider":"Batterie Center","version":"1.0","type":"link"}