HP 19V 4.74A 90W Laptop Adapter – Big Pin Charger (7.4mm × 5.0mm)

The HP 19V 4.74A 90W Laptop Adapter is a heavy-duty power supply engineered to handle the demanding workloads of corporate and professional HP laptops. Built with advanced multi-protection circuitry, this charger actively safeguards your delicate hardware against unexpected power surges, short circuits, and thermal overloads. It provides a steady high-amperage current to keep your system performing flawlessly, making it an excellent power solution for business professionals, technicians, and students throughout Nairobi.

Technical Specifications

• Power Output: 90 Watts

• Voltage: 19 V

• Current: 4.74 A

• Input Voltage: 100-240V ~ 50-60Hz (Worldwide standard compatibility)

• Connector Pin Size: 7.4mm Outside Diameter × 5.0mm Inside Diameter (Big Pin with center smart needle)

Compatibility Guide

This high-wattage 90W big pin adapter is fully backward compatible with HP laptops that use the same 7.4mm × 5.0mm connector size but require lower wattage, such as 65W (18.5V/19V 3.5A).

Some of the most common compatible HP laptop series include:

• HP EliteBook Series: 8440p, 8460p, 8470p, 8540p, 8560p, 2540p, 2560p, 2570p, 6930p

• HP ProBook Series: 4410s, 4420s, 4430s, 4440s, 4510s, 4520s, 4530s, 4540s, 4710s, 6440b, 6450b, 6460b, 6470b, 6550b, 6560b

• HP Pavilion Series: dv4, dv5, dv6, dv7, G4, G6, G7 (Legacy configurations using the big black or grey barrel pin)

• HP Compaq Series: CQ40, CQ42, CQ50, CQ60, CQ61, CQ62, CQ70

(Note: Please ensure your laptop requires the large round 7.4mm barrel plug with a central smart pin, as newer modern HP notebooks utilize a much smaller 4.5mm blue-tipped micro pin).