{"product_id":"tree-nb-cs03xl-46wh-battery-for-hp-elitebook-zbook","title":"TREE.NB CS03XL 46Wh Battery for HP EliteBook \u0026 ZBook","description":"\u003cp\u003eThe TREE.NB CS03XL is a 6-cell, 11.4V 46Wh replacement battery designed to restore portable power to select HP EliteBook and ZBook notebooks.\u003c\/p\u003e\n\n\u003cp\u003eIf your HP EliteBook 745\/755\/840\/850 series or ZBook 15u has reduced run time or won't hold charge, the TREE.NB CS03XL battery provides a factory-tested, drop-in replacement built from Grade A cells with built-in circuit protection. This pack supports the same mounting and electrical specifications as original part numbers like HSTNN-UB6S, 800231-141 and CS03046XL so it fits and communicates correctly with compatible laptops.\u003c\/p\u003e\n\n\u003ch3\u003eWhich laptop models and part numbers does this battery replace?\u003c\/h3\u003e\n\u003cp\u003eThe CS03XL is made to match the electrical and mechanical design of several HP notebooks and known spare part codes. Confirm fit by comparing your original part number or model designation before purchasing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: EliteBook 745\/755\/840\/848\/850 G3 and G4 series, HP mt42\/mt43 thin clients, ZBook 15u G3\/G4.\u003c\/li\u003e\n  \u003cli\u003eMatched part numbers: CS03, CS03XL, CS03046XL, T7B32AA, 800231-141, 800231-271, 800513-001, 800231-1C1.\u003c\/li\u003e\n  \u003cli\u003eOEM cross-references: HSTNN-DB6U, HSTNN-UB6S, HSTNN-IB6Y and similar HSTNN variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the TREE.NB CS03XL run and how durable is it?\u003c\/h3\u003e\n\u003cp\u003eThis battery provides 46Wh capacity at 11.4V and is constructed with six cells. Under typical laptop use, you can expect stable performance through many charge cycles thanks to quality cell selection and factory testing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated capacity: 46Wh, nominal voltage 11.4V for consistent power delivery.\u003c\/li\u003e\n  \u003cli\u003eCell arrangement: 6-cell pack optimized for notebook balance of energy and weight.\u003c\/li\u003e\n  \u003cli\u003eCycle life: designed for up to 500 recharge cycles over its usable life.\u003c\/li\u003e\n  \u003cli\u003eProtection: integrated circuit safeguards against overcharge, over-discharge and short circuits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs installation straightforward and will the battery work with my system?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows the same steps as the original HP battery—remove the old pack and snap the CS03XL into place. The battery is electronics-compatible with the laptop’s power management so the system recognizes charge state and capacity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDrop-in form factor and connector match for seamless swap with OEM packs.\u003c\/li\u003e\n  \u003cli\u003eFactory testing ensures reliable charge\/discharge behavior and system recognition.\u003c\/li\u003e\n  \u003cli\u003eWorks with laptop charging circuitry without special drivers or configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat quality assurances and support does TREE.NB provide?\u003c\/h3\u003e\n\u003cp\u003eTREE.NB ships only new, factory-tested batteries and uses Grade A cells for stable charging and lower self-discharge. If you encounter any fitment or performance issues, customer support is available to help resolve concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% new from manufacturer with factory testing for safety and performance.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in circuit protection for safer charging and storage.\u003c\/li\u003e\n  \u003cli\u003e24\/7 email support via seller contact; responsive assistance for fitment or returns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professionals and organizations that need a reliable replacement battery for older HP EliteBook and ZBook 15u notebooks — including IT departments refreshing fleets, field technicians who require predictable runtime, and individual owners wanting a tested, compatible replacement without buying a new laptop. Verify your laptop model or original part number before ordering to ensure correct fit and performance.\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 CS03XL battery fit my EliteBook 840 G3?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the TREE.NB CS03XL is compatible with EliteBook 840 G3 when your original part number matches one of the listed cross-references.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many recharge cycles can I expect?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This 6-cell battery is rated for up to about 500 recharge cycles under normal use, depending on charging habits and operating conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TREE.NB","offers":[{"title":"Default Title","offer_id":48412804219037,"sku":"B08B5YZPPY","price":34.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/tree.nb-cs03xl-front-packaging.jpg?v=1781249525","url":"https:\/\/nexoltic.com\/products\/tree-nb-cs03xl-46wh-battery-for-hp-elitebook-zbook","provider":"Nexoltic","version":"1.0","type":"link"}