Genuine HP 45W Smart AC Adapter with a blue tip, designed for HP Pavilion, EliteBook, Stream, and Spectre laptops. Includes plug & power cable From old laptop - no longer needed Key Specifications & Information: Power Output: 19.5V - 2.31A (45 Watt). Connector Tip: 4.5mm * 3.0mm (Blue tip with central pin). Part Numbers: Often listed as 741727-001, 740015-003, or HSTNN-LA40. CT Number: WDUUV0B3U7P37P (This confirms specific factory tracking). Energy Verified: Yes (Listed as 87% efficiency or similar high-efficiency standards). Compatible Device Series: HP Pavilion 13, 14, 15, 17 HP EliteBook Folio 1040, 800 Series HP Spectre x2, x360 HP ProBook, Stream, and Chromebook 11/14
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