Product Introduction
When an HP laptop starts showing slow charging, intermittent power, or fails to power on without the adapter connected, the issue is often caused by a worn or incompatible power supply. The HP TPN-LA15 45W adapter is designed to restore stable 19.5V power delivery for HP notebook systems, ensuring reliable performance for everyday computing, work, and travel use.
Application Scenarios
- HP Pavilion laptops used for home and office productivity
- HP ProBook business laptops in corporate environments
- HP EliteBook lightweight enterprise mobility setups
- Student and education laptop charging environments
- Replacement adapter for damaged or lost original charger
Technical Specifications
| Brand | HP / OEM Compatible |
| Model | TPN-LA15 |
| Part Numbers | 741727-001 / L25296-001 |
| Output Voltage | 19.5V DC |
| Output Current | 2.31A |
| Power Rating | 45W |
| 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 Pavilion series (selected 14 / 15 models)
- HP ProBook 430 / 440 / 450 series (compatible variants)
- HP EliteBook 725 / 820 / 840 series (selected models)
- HP Stream and Chromebook series using 45W input
- Models requiring 19.5V 2.31A Blue Tip adapter
