2-power AC Adapter includes power cable Replaces 751889-001

Delivering a steady 45W at 19.5V, this 2-Power AC adapter keeps your HP notebook powered through demanding workloads without breaking a sweat. It ships with a matching power cable, so you can replace a lost or faulty unit straight out of the box.

Overview

The 2-Power ALT8819A is a high-quality replacement AC adapter engineered for HP laptops that originally shipped with a 45W smart-pin charger. It converts AC 100–240V input into a clean 19.5V DC output with 2.31A current, matching the performance of the original HP part numbers 751889-001, 741727-001, HSTNN-LA40, and PA-1450-32HJ. The adapter uses a standard C5 (cloverleaf) AC inlet and includes a 1.2m power cord, while the DC cable also measures 1.2m for flexible placement.

What stands out

• Exact voltage and current match for compatible HP models
• Smart-pin barrel connector (4.5mm outer, 3.0mm inner) ensures proper communication with the laptop
• Level VI energy efficiency reduces wasted power and heat
• Comprehensive protection: over-voltage, over-current, short-circuit, and over-temperature
• CE, FCC, and RoHS certified for safety and environmental compliance

Technical details

• Output: 45W, 19.5V, 2.31A
• Input: AC 100–240V, 50/60Hz
• AC inlet: C5 (cloverleaf)
• DC connector: barrel with smart pin (4.5mm x 3.0mm)
• DC cable length: 1.2m
• AC cable length: 1.2m (included)
• Material: ABS plastic
• Colour: black
• Operating temperature: 0°C to 40°C
• Storage temperature: -20°C to 85°C
• Certifications: CE, FCC, RoHS

Our verdict

A dependable, efficient replacement that matches original HP specs exactly. If you need a spare or a replacement for a lost charger, this 2-Power unit delivers the same performance at a fraction of the OEM price.