Genuine HP 45W Smart AC Adapter - Big Pin (7.4mm) - Tested & Working

Power your HP laptop with this genuine 65W HP Smart AC Adapter. This is the "Big Pin" (7.4mm barrel) version with a center pin, specifically designed for HPs business-class and high-performance consumer laptops.

Using a genuine HP adapter ensures your battery charges correctly and protects your motherboard from the voltage fluctuations common in generic "replacement" chargers.

Technical Specifications:

• Brand: HP (Genuine / Original)

• Model: 744481-002 / 744893-001 (Common Part Numbers)

• Power Output: 45W

• Voltage/Amperage: 19.5V / 2.31A

• Connector Tip: 7.4mm x 5.0mm (Round Barrel with Center Pin)

Condition & Testing:

• Fully Tested: Verified for stable voltage and active charging.

• Cable Condition: No fraying or exposed wires.

  
  

  Compatible HP Laptop Series

  • HP ProBook 430 / 440 / 450 / 455 Series
  • HP EliteBook 720 / 725 / 745 / 755 Series
  • HP EliteBook 820 / 825 / 840 / 850 G1 & G2
  • HP EliteBook Folio 9470m / 9480m / 1040
  • HP ProBook 11 G1 / G2 Education Edition
  • HP Stream 11 G1 / G2
  • HP 240 / 245 / 250 / 255 G2 Series
  • HP Chromebook 11 EE / G3 / G4
  • HP Revolve 810 G1 / G2 / G3
  • HP Elite Tablet x2 1011 G1
  • HP Pro x2 612 G1
  • Select HP ZBook 14 models
  • Some HP EliteDesk / ProDesk Mini PCs using 7.4mm smart-pin input

  Technical Specifications

  • Output: 19.5V 2.31A
  • Power: 45W
  • Connector: 7.4mm x 5.0mm barrel with center smart pin
  • Input: 100240V AC

  OEM Part Numbers

  • 742437-001
  • 744893-001
  • HSTNN-DA40
  • HSTNN-CA41

  Important Compatibility Notes

  • Compatible with laptops requiring:
    • 19.5V input
    • 45W power adapter
    • 7.4mm big pin smart connector
  • Not compatible with:
    • USB-C charging laptops
    • HP blue-tip 4.5mm connector models
    • High-performance gaming laptops requiring 65W / 90W / 150W+ adapters

  For best compatibility, match the voltage, connector size, wattage, and original HP adapter part number with your existing charger.