{"product_id":"tskybear-replacement-t54fj-laptop-battery-for-dell-latitude-inspiron-57wh-11-1v-6-cell","title":"TSKYBEAR Replacement T54FJ Laptop Battery for Dell Latitude \u0026 Inspiron – 57Wh, 11.1V, 6-Cell","description":"\u003ch2\u003ePower that travels with you\u003c\/h2\u003e\n\u003cp\u003eThe TSKYBEAR Replacement T54FJ Battery refreshes aging packs on a wide range of Dell Latitude and Inspiron notebooks. With 57Wh of energy and an 11.1V output, this 6‑cell Li‑ion pack supports daily tasks, meetings, classes, and travel without frequent recharges. It’s designed to restore portable power so you can stay productive wherever you work.\u003c\/p\u003e\n\n\u003ch3\u003eBroad compatibility for a smooth swap\u003c\/h3\u003e\n\u003cp\u003eThis battery fits several Dell Latitude models including E6420, E6430, E6440, E6540, E5420, E5430, E5520, E5530, and E6530. It also covers multiple Inspiron variants such as 14R 5420, 15R 5520, 17R 5720, 7520, and 7720. A unified option saves time and reduces hassle when replacing an aging pack.\u003c\/p\u003e\n\n\u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBattery Type: Li-ion, Cells: 6, Capacity: 57Wh, Voltage: 11.1V\u003c\/li\u003e\n  \u003cli\u003eCompatibility: Dell Latitude E6420\/E6430\/E6440\/E6540\/E5420\/E5430\/E5520\/E5530\/E6530 and Inspiron 14R 5420, 15R 5520, 17R 5720, 7520, 7720\u003c\/li\u003e\n  \u003cli\u003eCompatible P\/Ns include 04NW9, 2P2MJ, DHT0W, HCJWT, NHXVW, P8TC7, PRRRF, UJ499, YKF0M, X57F1, 8P3YX, P15F, P15G, P16G, 312-1242, 312-1324, 312-1325\u003c\/li\u003e\n  \u003cli\u003eUp to 500 recharge cycles for longer life; CE and FCC safety certifications\u003c\/li\u003e\n  \u003cli\u003e12-month replacement service from the date of purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePractical performance matters. The 11.1V configuration aligns with typical original specs, supporting a stable power profile across daily workflows. Expect dependable startup, steady performance, and a predictable charging cadence as you move between locations.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTravel and field work: more time between plugs during flights, meetings, and on-site visits\u003c\/li\u003e\n  \u003cli\u003eCampus life: extended study sessions and classes with fewer interruptions for charging\u003c\/li\u003e\n  \u003cli\u003eRemote work and freelancing: quick, safe battery swaps without hunting for adapters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare, safety, and service\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE and FCC certified for safety\u003c\/li\u003e\n  \u003cli\u003eDesigned to withstand hundreds of recharge cycles with consistent performance\u003c\/li\u003e\n  \u003cli\u003e12-month replacement service offers added peace of mind for normal use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose TSKYBEAR\u003c\/h3\u003e\n\u003cp\u003eTSKYBEAR focuses on reliable replacement batteries that mirror original performance. The T54FJ line emphasizes broad model coverage, predictable energy delivery, and a warranty-backed purchase experience. This combination supports smoother transitions when upgrading aging packs without narrowing your device choices.\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: What laptops is the TSKYBEAR T54FJ battery compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Dell Latitude E6420, E6430, E6440, E6540, E5420, E5430, E5520, E5530, E6530 and Inspiron models 14R 5420, 15R 5520, 17R 5720, 7520, 7720.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key specs and safety features?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 57Wh Li-ion six-cell, 11.1V; CE and FCC certified; up to 500 recharge cycles; 12-month replacement service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TSKYBEAR","offers":[{"title":"Default Title","offer_id":48412542533789,"sku":"B08ZNDP79S","price":38.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/tskybear-replacement-t54fj-battery-dell-latitude-e6420.jpg?v=1781237389","url":"https:\/\/nexoltic.com\/products\/tskybear-replacement-t54fj-laptop-battery-for-dell-latitude-inspiron-57wh-11-1v-6-cell","provider":"Nexoltic","version":"1.0","type":"link"}