Product Introduction
When an HP laptop fails to charge properly, shuts down under load, or shows “plugged in but not charging”, the issue is often caused by a worn or incompatible power adapter. The HP L64042-001 90W AC adapter is designed to restore stable power delivery for HP notebooks requiring 19.5V 4.62A input, ensuring reliable performance for work, study, and daily computing.
Application Scenarios
- HP Pavilion laptop daily office and home usage
- HP Envy series performance workloads and multimedia tasks
- HP ProBook business environments and enterprise use
- HP EliteBook docking and workstation power supply
- Replacement power supply for damaged or aging original adapter
Technical Specifications
| Brand | HP / OEM Compatible |
| Model | L64042-001 |
| Output Voltage | 19.5V DC |
| Output Current | 4.62A |
| Power Rating | 90W |
| Connector Type | 4.5mm x 3.0mm Blue Tip (Smart Pin) |
| Input | 100–240V AC 50/60Hz |
| Polarity | Center Positive |
| Condition | Replacement Power Adapter |
OEM Replacement Compatibility
- HP L64042-001 / 710413-001 / 709986 series equivalents
- HP Pavilion 14 / 15 / 17 series (selected models)
- HP Envy 15 / Envy 17 series (selected models)
- HP ProBook 450 / 455 / 470 series (compatible variants)
- HP EliteBook 840 / 850 series (compatible power input models)
FAQ
Q1: Will this work with all HP laptops?
A: No. It only works with HP laptops that require 19.5V 90W input and a 4.5mm x 3.0mm Blue Tip connector.
Q2: What does Blue Tip mean?
A: It refers to HP Smart Pin technology, which allows the laptop to recognize correct power output and avoid charging errors.
Q3: Can I use a lower wattage charger instead?
A: It is not recommended. Lower wattage may cause slow charging, performance throttling, or unstable operation.
HP L64042-001 is a 90W AC power adapter designed for HP laptops requiring 19.5V 4.62A input with a 4.5mm x 3.0mm Blue Tip Smart Pin connector. It is commonly used as a replacement charger for HP Pavilion, Envy, ProBook, and EliteBook series laptops, solving issues such as unstable charging, power failure, and device shutdown caused by aging or incompatible adapters.
Why Buy From OEM Power US?
- US warehouse fulfillment
- Orders ship within 24 hours on business days
- Every adapter is inspected and tested before shipment
- 1-year warranty included
- 30-day return policy
- Trusted marketplace seller since 2007
