⚠️ IMPORTANT BUYING NOTICE:

• WP03XL Internal Layout Blueprint: This professional-grade 11.58V Lithium-Polymer (Li-Polymer) internal replacement battery pack features a specialized thin-profile layout measuring exactly 251.60 x 84.20 x 6.50 mm and weighing an agile 202.00 g. It drops securely flat into your laptop's designated lower internal chassis tray without generating outer casing alignment strain, frame bowing, or mechanical trackpad click stiffness.

• Model Generation & Series Verification (Crucial Rule): This high-efficiency power engine is custom-built exclusively for modern elite enterprise platforms, spanning the HP EliteBook 830, 835, 840, 845, 865, and 1040 lineups across Generation 9 (G9) and Generation 10 (G10) architectures, alongside the convertible Elite x360 830/1040 G9/G10 and mobile workstations like the ZBook Firefly 14 & 16 G9. Please note that it will not fit older generations (such as G5, G6, G7, or G8 series), which use completely different internal battery frameworks, physical dimensions, connection pin counts, and operational voltages. Before placing your checkout order, unscrew your notebook's bottom cover panel to verify that your stock factory battery explicitly features original part numbers like WP03XL, WP03051XL, M64304-1D1, or HSTNN-LB8W
  
  

⚡ DEPENDABLE MOBILITY & SUSTAINED RUNTIME PERFORMANCE RESTORATION: Recover the original wireless freedom and active multi-tasking endurance of your premium corporate notebook or convertible with this brand-new, premium replacement internal battery engine. Engineered around a highly stable 11.58V power routing architecture and packed with a high-density capacity of 4410 mAh (51.00 Wh), this battery module ensures low internal resistance and consistent voltage flow. It handles multi-tab browsing, complex virtual meetings, spreadsheets, development compiles, and daily productivity workflows easily. It serves as an immediate remedy to correct common age-related hardware degradation symptoms, including sharp percentage indicator drops, sudden processor throttling under heavy system loads, or an immediate system blackout whenever you disconnect your factory AC power adapter. Outfitted with an on-board smart protection microchip array, it continuously safeguards your premium business computing hardware from over-charge, over-discharge, unexpected short circuits, and localized operational heat shifts.

Compatible Original Part Numbers: WP03XL, WP03, WP03051XL, HSTNN-1B9Y, HSTNN-LB8V, HSTNN-LB8W, HSTNN-LB9Y, M64304-1D1, M64304-421, M64305-421, M73466-005

Comprehensive Laptop & Workstation Compatibility List:

HP EliteBook 800 Enterprise G9 & G10 Series

• HP EliteBook 830 / 835 G9 & G10 Lineups: 830 G9 (5P795EA, 6C166UT, 6C1V0PA, 6F609EA, 6F6J7EA, 6Y518PA), 830 G10 (7Y377UT, 7Y379UT, 7Y382UT), 835 G9 (5P6V3EA, 5P726EA, 5Z5D7EA, 6F6E9EA, 6G9J3PA)

• HP EliteBook 840 / 845 G9 & G10 Lineups: 840 G9 (5P6S0EA, 5P6X6EA, 5Z695EA, 6C182UT, 6F6J5EA, 6G9G1PA), 840 G10 (7Y359UT, 7Y361UT, 7Y365UT, 84F30UP), 845 G9 (5P720EA, 5Z5E9EA, 5Z6L9EA, 6F679EA, 6G9K4PA)

• HP EliteBook 865 G9 Lineup: 865 G9 (6F6H2EA, 6G9K6PA, 6G9S4PA, 75V88PA)
  
  

HP EliteBook & Elite x360 1000 Flagship Series

• HP EliteBook 1040 G9 & G10 Fleet: 1040 G9 (4B923AV, 4B925AV, 4B927AV, 6E5C5UT, 6F686EA, 6G9M4PA), 1040 G10 Base Platforms

• HP Elite x360 830 & 1040 Convertible Fleet: Elite x360 830 G9 (3F9X9PA, 5P790EA, 6C160UT), Elite x360 830 G10, Elite x360 1040 G10, Elite x360 1040 14 G10
  
  

HP ZBook Mobile Workstations

• HP ZBook Firefly 14 G9 Series: Firefly 14 G9 (6B878EA, 6B899EA, 6B8F0EA, 6N2F6UT, 6W236UA, 6X1E1PA)

• HP ZBook Firefly 16 G9 Series: Firefly 16 G9 Base Configurations
  
  

Disclaimer: The batteries and other products supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers with which our products [are replacement for] may be used