{"product_id":"ninjabatt-battery-for-hp-8540-8530-8-cell-4400mah","title":"NinjaBatt Battery for HP 8540\/8530 8-Cell 4400mAh","description":"\u003cp\u003e\u003cstrong\u003eNinjaBatt’s 8‑cell 4400mAh (63Wh) laptop battery is a direct replacement for a range of HP EliteBook and Pavilion models, delivering reliable runtime with built‑in safety protections.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your HP 8530\/8540\/8730\/8740 series laptop is showing short battery life, sudden shutdowns, or won’t hold a charge anymore, this NinjaBatt replacement restores portable use without the OEM price. Assembled from grade‑A Li‑ion cells and commercial‑grade circuit boards, the pack is designed for consistent charging behavior and up to about 500 cycles when used and maintained properly.\u003c\/p\u003e\n\n\u003ch3\u003eWhat devices is this battery compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis NinjaBatt battery is engineered as a drop‑in replacement for multiple HP part numbers and EliteBook models. Check the part numbers printed on your old battery or your laptop’s service tag to confirm compatibility before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits HP part numbers: 458274‑363, 458274‑421, 458274‑422, 493976‑001, 484788‑001, 501114‑001 among others.\u003c\/li\u003e\n  \u003cli\u003eCompatible models include EliteBook 8530\/8530P, 8730\/8730W\/8730P, 8540W\/8540P, 8740W\/8740P and several Pavilion\/ProBook variants.\u003c\/li\u003e\n  \u003cli\u003eCheck listed cross‑refs such as HSTNN‑LB60, HSTNN‑I43C, HSTNN‑OB60, HSTNN‑W46C before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the replacement battery run and last?\u003c\/h3\u003e\n\u003cp\u003eRuntime varies by laptop configuration, workload and power settings, but the NinjaBatt pack matches the original nominal capacity: 4400mAh at 14.4V (63Wh). With balanced usage you can expect meaningful day‑to‑day runtime and long‑term durability thanks to grade‑A cells.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated capacity: 4400mAh \/ 63Wh at 14.4V for comparable performance to the original pack.\u003c\/li\u003e\n  \u003cli\u003eDesigned for up to ~500 charge cycles when used with proper charging habits and storage.\u003c\/li\u003e\n  \u003cli\u003eActual runtime depends on CPU, display brightness, peripherals, and workload.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features and build quality does this pack include?\u003c\/h3\u003e\n\u003cp\u003eNinjaBatt emphasizes safety and component quality to avoid the risks associated with low‑cost replacements. The battery includes standard protections and is assembled with reliable materials and tested cells.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtection circuitry against short circuits, overcharge, overcurrent and overheating.\u003c\/li\u003e\n  \u003cli\u003eManufactured from high‑grade Li‑ion cells and reinforced PCB for stable charging behavior.\u003c\/li\u003e\n  \u003cli\u003eEach unit is tested to meet OEM‑style specifications before shipping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the warranty and support handled?\u003c\/h3\u003e\n\u003cp\u003eThe product comes with a standard 12‑month warranty that covers manufacturing defects under normal use. Customer support is available for installation guidance and troubleshooting during the warranty period.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e12‑month limited warranty against manufacturing defects.\u003c\/li\u003e\n  \u003cli\u003eSupport for fitment and basic installation questions from the seller.\u003c\/li\u003e\n  \u003cli\u003eReturns or exchanges processed per the seller’s stated policy if compatibility issues arise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This NinjaBatt 8‑cell 4400mAh replacement battery is suited for owners of supported HP EliteBook and compatible Pavilion\/ProBook laptops who need a dependable, cost‑effective alternative to OEM packs. It’s a practical choice for students, professionals, technicians, or small businesses seeking restored mobility without complicated installation—simply swap the old battery for the new unit and resume portable work. Verify your laptop’s part number and model before purchase to ensure a correct fit.\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: Will this battery fit my HP 8540W or 8740W?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes if your original battery matches one of the listed part numbers (e.g., 458274‑421, 493976‑001) or your model is in the compatible series. Check the part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long is the warranty and what does it cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 12‑month limited warranty covers manufacturing defects under normal use. Contact seller support for warranty claims or installation help.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NinjaBatt","offers":[{"title":"Default Title","offer_id":48413426253981,"sku":"B00YJCJK1A","price":52.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/ninjabatt-front-packaging-hp-replacement.jpg?v=1781265000","url":"https:\/\/nexoltic.com\/products\/ninjabatt-battery-for-hp-8540-8530-8-cell-4400mah","provider":"Nexoltic","version":"1.0","type":"link"}