Reliable Power Replacement for HP Notebook Computers
A failed laptop charger can interrupt business work, remote tasks, and everyday computing. The HP PA-1900-18HN 463554-001 AC Adapter provides a 90W replacement power solution for compatible HP notebooks requiring 19V DC output and a 7.4mm x 5.0mm Smart Pin connector. It helps restore stable charging performance for supported HP EliteBook, ProBook, and Compaq notebook systems.
Designed for users replacing a lost, damaged, or unreliable laptop power adapter, this HP 90W charger delivers the required electrical specifications for compatible devices. Before ordering, verify your laptop model, output requirements, and connector type to ensure proper compatibility.
Technical Specifications
| Brand | HP |
| Model | PA-1900-18HN |
| Part Number (P/N) | 463554-001 |
| Product Type | Laptop AC Adapter / Smart Power Adapter |
| Input Voltage | 100-240V AC |
| Input Frequency | 50/60Hz |
| Output Voltage | 19V DC |
| Output Current | 4.74A |
| Output Power | 90W |
| Connector Type | 7.4mm x 5.0mm Smart Pin Barrel Connector |
| Polarity | Center Positive |
| Compatible Device Type | HP Notebook Computers |
Replacement and Compatibility Information
The HP PA-1900-18HN 463554-001 is a compatible replacement AC adapter for HP notebook computers requiring a 19V 4.74A 90W power supply with a 7.4mm x 5.0mm Smart Pin connector. It is commonly used to replace damaged, missing, or unstable laptop chargers.
For correct compatibility, compare the model number and electrical specifications on your existing adapter. The replacement charger must match the required voltage, wattage, and connector design.
Compatible Devices
- HP EliteBook Notebook Computers with 90W Smart Pin Adapter Requirement
- HP ProBook Notebook Computers with 7.4mm x 5.0mm Connector
- HP Compaq Business Notebook Series
- HP Pavilion Notebook Models Requiring 19V 4.74A Input
Common Replacement Scenarios
This adapter is suitable for replacing chargers affected by common issues such as no power output, intermittent charging, damaged cable, loose connector, or an adapter that stops supplying consistent power during laptop operation.
FAQ
Q: How do I verify compatibility with my HP laptop?
A: Confirm that your laptop requires a 19V 4.74A 90W adapter and uses the HP 7.4mm x 5.0mm Smart Pin connector.
Q: What is the output specification of the HP PA-1900-18HN?
A: This adapter provides 19V DC output at 4.74A, with a maximum power rating of 90W.
Q: What connector does this HP charger use?
A: It uses a 7.4mm x 5.0mm barrel connector with a center pin used by compatible HP Smart Adapter systems.
Q: Can this replace a lower wattage HP charger?
A: Compatibility depends on the laptop requirements. The voltage and connector must match, and the adapter wattage should meet or exceed the device requirement.
