⚠️ IMPORTANT BUYING NOTICE:

• CI03XL Internal Layout Blueprint: This professional-grade 11.40V Lithium-Polymer (Li-Polymer) internal replacement battery pack features a specialized dense profile measuring exactly 169.50 x 81.00 x 14.80 mm and weighing 214.00 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.
  
  

• Generation & Model Verification (Crucial Rule): This power layout is custom-engineered exclusively for the HP ProBook 600 G2 Series (including 640 G2, 645 G2, 650 G2, and 655 G2). Please note that it will not fit older G1 generation models or newer G3, G4, or G5 iterations of the ProBook series, which rely on completely different physical internal dimensions, clip tracks, and voltage systems. Before completing your checkout order, please unscrew your notebook's bottom cover plate to verify that your factory original internal battery explicitly matches part numbers like CI03, CI03XL, or 801554-001.
  
  

⚡ DEPENDABLE MOBILITY & SUSTAINED RUNTIME PERFORMANCE RESTORATION: Recover the original wireless freedom and active multi-tasking endurance of your corporate computer with this brand-new, premium replacement internal battery engine. Engineered around a highly stable 11.40V power management circuit matrix and loaded with an efficient high-density core configuration delivering 48.00 Wh, this Li-Polymer pack provides clean, well-regulated current to sustain continuous spreadsheets, remote terminal workflows, video meetings, and daily office applications. It serves as an immediate fix for standard hardware wear-and-tear symptoms, including immediate battery level drops, heavy processor throttling under complex multi-tasking strains, or a sudden blackout whenever the stock AC charging wire is pulled out. Outfitted with an on-board smart protection microchip array, it continuously shields your premium business hardware from over-charge, over-discharge, unexpected short circuits, and localized internal heat shifts.

Compatible Original Part Numbers: CI03, CI03XL, CIO3, CIO3XL, HSTNN-UB6Q, 801554-001

Comprehensive Laptop & Notebook Compatibility List:

HP ProBook 600 G2 Series Business Notebooks

• HP ProBook 14-Inch Commercial Platforms: ProBook 640 G2, ProBook 645 G2

• HP ProBook 15.6-Inch Enterprise Platforms: ProBook 650 G2, ProBook 655 G2
  
  

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