{"product_id":"zbtzmc-rj40g-63wh-4-cell-battery-for-dell-latitude-5420-5520-precision-3560-15-2v-oem-replacement","title":"ZBTZMC RJ40G 63Wh 4-Cell Battery for Dell Latitude 5420\/5520 \u0026 Precision 3560 – 15.2V OEM Replacement","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet the ZBTZMC RJ40G 63Wh 4-Cell Notebook Battery, a purpose-built replacement designed to fit select Dell Latitude and Precision laptops. With a nominal output of 15.2V and a capacity of 63Wh, this battery is intended to deliver solid unplugged power between charges, helping you stay productive on commutes, in classrooms, or during client visits.\u003c\/p\u003e\n\u003cp\u003eFor Dell Latitude 5420\/5520 and Precision 3560 series, this RJ40G option is one of two commonly used packs. The other model, WY9DX, is a smaller 42Wh 3-Cell battery. To ensure a correct fit, verify your original battery size before purchasing and compare the connector layout and form factor against your device’s back cover.\u003c\/p\u003e\n\n\u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e➤ Battery Information: 4-Cell, 63Wh, 15.2V, designed for reliable daily use\u003c\/li\u003e\n  \u003cli\u003e➤ OEM-Quality design that matches the original unit for a clean replacement\u003c\/li\u003e\n  \u003cli\u003e➤ Built-in protection: overcharge, overdischarge, over-temperature and short-circuit safeguards\u003c\/li\u003e\n  \u003cli\u003e➤ Long-term potential: up to 500 recharge cycles for a durable power source\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat to expect during installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e➤ Ensure the back cover is opened and connectors are fully seated before powering on\u003c\/li\u003e\n  \u003cli\u003e➤ If the device doesn’t recognize the new battery initially, reseat the interface and check cables again\u003c\/li\u003e\n  \u003cli\u003e➤ Wake-up tip: discharge to 10–20%, then charge and cycle 3–4 times to help calibrate the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUsage, care, and warranty details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e➤ Warranty: Full refund within 60 days; replacement within 12 months\u003c\/li\u003e\n  \u003cli\u003e➤ Safety: 100% brand-new, with protection circuits to guard against common electrical issues\u003c\/li\u003e\n  \u003cli\u003e➤ Package contents: 1 x Brand New OEM Battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world scenarios\u003c\/h3\u003e\n\u003cp\u003eIn everyday life, you may notice steadier session lengths between charges and less anxiety about unplugging during travel. The 63Wh rating offers a balance of compact size and generous capacity, a practical fit for busy schedules. The battery’s design emphasizes compatibility and a snug fit, reducing the need for frequent adjustments during use, whether you’re crafting reports in a café or presenting from a conference room.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility reminder\u003c\/h3\u003e\n\u003cp\u003eBefore you order, confirm your model and size by checking the laptop’s original battery and the back-case dimensions. This RJ40G pack is intended as a direct replacement when the 63Wh 4-cell form matches your device’s needs.\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 RJ40G compatible with my Dell Latitude 5420 or 5520?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. RJ40G 63Wh 4-cell is designed for Latitude 5420\/5520 and Precision 3560; verify your original size before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What should I do after installing the new RJ40G battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If not recognized, reseat the connections, then discharge to 10–20%, and cycle 3–4 times to wake the battery.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ZBTZMC","offers":[{"title":"Default Title","offer_id":48410625409181,"sku":"B0F99P4PM2","price":83.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/zbtzmc-rj40g-63wh-4cell-battery-latitude-5420-closeup.jpg?v=1781209603","url":"https:\/\/nexoltic.com\/products\/zbtzmc-rj40g-63wh-4-cell-battery-for-dell-latitude-5420-5520-precision-3560-15-2v-oem-replacement","provider":"Nexoltic","version":"1.0","type":"link"}