{"product_id":"mobik-rj40g-63wh-laptop-battery-for-dell-latitude-15-14","title":"Mobik RJ40G 63Wh Laptop Battery for Dell Latitude 15\/14","description":"\u003cp\u003e\u003cstrong\u003eThe Mobik RJ40G is a 63Wh (15.2V, 3941mAh) lithium-ion replacement battery built to restore full runtime to compatible Dell Latitude 14\/15 and Precision 15 laptops.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Dell Latitude 5420, 5520 or Precision 3560 no longer holds charge, the Mobik RJ40G offers a direct-fit replacement that matches original voltage and capacity. Designed to comply with common safety standards and to fit the listed part numbers, this battery is intended to return your laptop to reliable portable use without the premium price of OEM parts.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this battery will fit my laptop?\u003c\/h3\u003e\n\u003cp\u003eThe RJ40G is made to match the size, connector and mounting points used by the specified Dell models and part numbers (for example M033W, 01K2CF, 075X16 and WY9DX). Check your existing battery labels for matching part numbers and 15.2V\/3941mAh specs before ordering. If the part numbers on your original battery match any listed, the Mobik RJ40G is a compatible swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePhysical form factor tailored for Latitude 14 5420 and Latitude 15 5520.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Precision 15 3560 series mounting and connector.\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM part numbers such as P137G\/P104F and 0WK3F1\/0M3KCN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat runtime and cycle life can I expect from this replacement battery?\u003c\/h3\u003e\n\u003cp\u003eRated at 63Wh and 3941mAh, the RJ40G delivers runtime similar to the original factory cell under equivalent workloads. Constructed with lithium-ion cells tested for durability, it supports up to roughly 500 recharge cycles before notable capacity decline, depending on use and charging habits.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e63Wh capacity for standard office, browsing and video playback time.\u003c\/li\u003e\n  \u003cli\u003eApproximately 500 charge cycles with normal charging patterns.\u003c\/li\u003e\n  \u003cli\u003ePerformance varies based on CPU load, screen brightness and peripherals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the Mobik RJ40G safe to use and does it meet regulations?\u003c\/h3\u003e\n\u003cp\u003eSafety is a priority: the RJ40G is manufactured and tested to meet widely recognized safety standards. It carries certifications such as UL, CE, FCC and RoHS, which indicate compliance with electrical safety, emissions and hazardous-material restrictions. Still, follow manufacturer and laptop safety guidelines when installing and charging the battery.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUL and CE certification for electrical safety compliance.\u003c\/li\u003e\n  \u003cli\u003eFCC compliance for electromagnetic emissions.\u003c\/li\u003e\n  \u003cli\u003eRoHS restricted-substance compliance for environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for users comfortable opening the laptop’s access panel. Power down and unplug the laptop, remove the back cover or battery bezel, disconnect the old battery and swap in the RJ40G, then reassemble. If you prefer, a qualified technician can perform the swap to avoid warranty or handling concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower off and unplug before beginning replacement.\u003c\/li\u003e\n  \u003cli\u003eUse small Phillips screwdriver and an anti-static surface if available.\u003c\/li\u003e\n  \u003cli\u003eConfirm BIOS recognizes battery after installation; a quick calibration is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Mobik RJ40G is intended for laptop owners, IT departments and repair shops needing a cost-effective, direct-fit battery for Dell Latitude 14 5420, Latitude 15 5520 and Precision 15 3560 systems. It’s suitable for users seeking to restore daily portability, extend device life, or keep spare batteries on hand for travel or field work. For mission-critical use or specialized warranty concerns, consult your service provider before replacement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBattery Capacity: 63Wh \/ 3941mAh, 15.2V lithium-ion cells\u003c\/li\u003e\n  \u003cli\u003eCompatible Models: Dell Latitude 14 5420, Latitude 15 5520, Precision 15 3560\u003c\/li\u003e\n  \u003cli\u003eSafety Certified: UL, CE, FCC, RoHS\u003c\/li\u003e\n  \u003cli\u003eHigh Reusability: Up to ~500 recharge cycles\u003c\/li\u003e\n  \u003cli\u003eReliable Performance: Quality control and standards compliance\u003c\/li\u003e\n\u003c\/ul\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: Will this battery fit my Dell Latitude 5520?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the RJ40G is designed to be compatible with Dell Latitude 15 5520 when the original part number matches listed identifiers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before I need to replace the replacement battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: With normal use you can expect around 500 charge cycles before noticeable capacity loss; actual lifespan varies by usage and charging habits.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mobik","offers":[{"title":"Default Title","offer_id":48413632888989,"sku":"B09VT2LF4C","price":77.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/mobik-rj40g-front-view.jpg?v=1781275349","url":"https:\/\/nexoltic.com\/products\/mobik-rj40g-63wh-laptop-battery-for-dell-latitude-15-14","provider":"Nexoltic","version":"1.0","type":"link"}