⚠️ IMPORTANT BUYING NOTICE:
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PR06 Cylindrical External Layout Blueprint: This professional-grade 10.80V Lithium-Ion (Li-ion) replacement battery pack features a standard 6-cell stick-profile casing layout measuring exactly 268.60 x 44.40 x 20.30 mm and weighing 397.70 g. Designed for immediate user accessibility, this external module slides smoothly into the rear docking tracks of your notebook's outer framework and locks instantly into position using dual spring-loaded chassis slider toggles, requiring no technical assembly tools.
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Model Generation & Platform Verification (Crucial Rule): This high-efficiency power pack is custom-engineered exclusively to bridge the widespread fourth and fifth-generation aluminum HP ProBook "s-series" (specifically the 4330s, 4430s, 4440s, 4530s, and 4540s families) corporate laptops. Please note that it will not fit older generations (such as the ProBook 4520s which utilizes the PH06 profile), nor will it fit later redesigned systems (such as the ProBook 450 G1, G2, G3, or newer internal-battery platforms). These alternative lines rely on entirely different locking teeth patterns, non-matching structural alignment tracks, and disparate voltage configurations. Before finalizing your checkout, slide your laptop's physical release tabs, remove your stock battery, and verify that its casing explicitly features tracking markers like PR06, QK646AA, HSTNN-LB2R, or 633805-001.
⚡ DEPENDABLE MOBILITY & COMMERCIAL BUSINESS RUNTIME RESTORATION: Recover the original wireless freedom and active multi-tasking endurance of your essential business workstation or office fleet laptop with this brand-new, premium replacement external battery engine. Assembled around six high-density cylindrical cells and optimized for a stable 10.80V circuit layout, this battery module delivers a consistent, heavy-duty capacity rating of 5200 mAh (56.00 Wh). It smoothly handles enterprise software suites, multi-tab web browsing, office document workflows, remote virtual meetings, and daily professional multi-tasking. It serves as an immediate, drop-in remedy to correct common age-related hardware wear symptoms, including rapid battery percentage drops, processing thermal throttling under sudden application loads, or an immediate system blackout whenever you disconnect your factory AC wall charger. Outfitted with an on-board smart protection microchip array, it continuously safeguards your investment from over-charge, over-discharge, unexpected short circuits, and localized internal heat shifts.
Compatible Original Part Numbers: PR06, PR06047, PR06055, QK646AA, QK646UT, QK646AA#ABA, 3ICR19/66-2, 633733-1A1, 633733-321, 633805-001, 650938-001, LC32BA122, HSTNN-DB2R, HSTNN-IB2R, HSTNN-LB2R, HSTNN-OB2R, HSTNN-XB2E, HSTNN-XB2F, HSTNN-XB2G, HSTNN-XB2H, HSTNN-XB2I, HSTNN-XB2N, HSTNN-XB2O, HSTNN-XB2R, HSTNN-XB2T, HSTNN-XB3C
Comprehensive Laptop Compatibility List:
HP ProBook Commercial Business 4300s / 4400s Series
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HP ProBook 4330s & 4331s Fleet: 4330s, 4330s (LW987PA), 4331s Series
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HP ProBook 4340s & 4341s Fleet: 4340s, 4341s Series
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HP ProBook 4430s & 4431s Fleet: 4430s, 4430s (XG843AV), 4431s Series
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HP ProBook 4435s & 4436s Fleet: 4435s, 4436s Series
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HP ProBook 4440s & 4441s Fleet: 4440s, 4441s, 4446s Series
HP ProBook Commercial Business 4500s Series
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HP ProBook 4530s & 4535s Intel/AMD Fleet: 4530s, 4530s (XG822AV), 4530s (LV418PA), 4535s Series
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HP ProBook 4540s & 4545s Intel/AMD Fleet: 4540s, 4540s (C5A59EA), 4540s (H5H13EP), 4545s, 4545s (C5D26AM) Series
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