{"product_id":"jiazijia-rj40g-63wh-laptop-battery-for-dell-latitude","title":"JIAZIJIA RJ40G 63Wh Laptop Battery for Dell Latitude","description":"\u003cp\u003e\u003cstrong\u003eJIAZIJIA RJ40G is a 63Wh (15.2V, 3941mAh) plug-and-play Li-ion replacement battery designed to restore reliable runtime to compatible Dell Latitude and Precision 3560 notebooks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Dell Latitude 5420, 5520 or Precision 3560 has a worn-out battery or won't hold charge, this JIAZIJIA RJ40G replacement matches the original form factor and connector types so installation is straightforward. It supports the factory part numbers listed by Dell and comes in a black finish. Before installation, you should confirm the model number printed on your laptop’s original battery to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I know this battery fits my Dell laptop?\u003c\/h3\u003e\n\u003cp\u003eCheck the label on your existing battery and compare part numbers and physical shape. This JIAZIJIA RJ40G is built to replace the listed OEM numbers and aligns with the battery bay design of the Latitude 5420, 5520 and Precision 3560 series.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatches OEM part numbers: RJ40G, 01K2CF, 075X16 and others.\u003c\/li\u003e\n  \u003cli\u003eVoltage: 15.2V — fits laptops requiring that specification.\u003c\/li\u003e\n  \u003cli\u003eCapacity: 63Wh (3941mAh) for comparable runtime to original.\u003c\/li\u003e\n  \u003cli\u003eBlack plug-and-play design that follows original battery shape.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and safety features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThis replacement is a lithium-ion pack tuned for stable discharge at the stated voltage and capacity. It does not change your laptop’s power management settings, but it restores usable battery life when the original pack has degraded.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e63Wh rated capacity provides balanced runtime for work and travel.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in safety circuits to protect against overcharge and short-circuit.\u003c\/li\u003e\n  \u003cli\u003eEngineered to meet the physical and electrical requirements of compatible models.\u003c\/li\u003e\n  \u003cli\u003ePlug-and-play installation — no special tools or drivers required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install the JIAZIJIA RJ40G safely?\u003c\/h3\u003e\n\u003cp\u003eTurn off the laptop and unplug any power source before removing the back cover. Remove the original battery following your laptop manual, then seat the replacement firmly and secure any screws or latches; reinstall the cover and power up to confirm operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower down and disconnect AC adapter before starting.\u003c\/li\u003e\n  \u003cli\u003eOpen the rear case and compare alignment with the existing battery.\u003c\/li\u003e\n  \u003cli\u003eInstall and fasten using original screws or latches; avoid forcing connectors.\u003c\/li\u003e\n  \u003cli\u003eFirst boot: charge to full and allow battery calibration if desired.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat compatibility checks should I perform before buying?\u003c\/h3\u003e\n\u003cp\u003eAlways open your laptop’s rear case and read the model number on the original battery to confirm a match. Confirm the required voltage (15.2V) and that your system lists one of the known OEM part numbers referenced for interchangeability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify printed model number on existing battery matches included list.\u003c\/li\u003e\n  \u003cli\u003eConfirm your laptop is a Latitude 5420, 5520 or Precision 3560 series.\u003c\/li\u003e\n  \u003cli\u003eEnsure required voltage is 15.2V to avoid electrical mismatch.\u003c\/li\u003e\n  \u003cli\u003eConsult your service manual for any model-specific installation notes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The JIAZIJIA RJ40G replacement battery suits business users, students, and field professionals who own a Dell Latitude 5420, 5520 or Precision 3560 and need a cost-effective way to regain portable runtime. It’s intended for users comfortable opening the laptop chassis or for technicians who perform battery replacements; if you’re unsure about compatibility, check the label on your current battery or consult a service specialist before purchase.\u003c\/p\u003e\n\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 work with my Dell Latitude 5420?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your original battery label lists RJ40G or a matching part number and requires 15.2V; open the back case to confirm before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need tools to install the replacement battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Basic tools may be needed to remove the back cover; once open, the RJ40G is plug-and-play and secures with the laptop’s existing fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JIAZIJIA","offers":[{"title":"Default Title","offer_id":48413483434141,"sku":"B0B5KLMWHH","price":74.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/jiazijia-rj40g-front-label.jpg?v=1781268316","url":"https:\/\/nexoltic.com\/products\/jiazijia-rj40g-63wh-laptop-battery-for-dell-latitude","provider":"Nexoltic","version":"1.0","type":"link"}