Fast USB-C Power Delivery for Modern HP Laptops
Whether you're working remotely, traveling for business, or replacing a lost charger, reliable USB-C charging helps keep your HP laptop powered throughout the day. The HP TPN-LA31 100W USB-C Power Adapter delivers intelligent USB Power Delivery (PD) output for compatible HP notebooks and USB-C devices.
Designed for modern USB-C charging platforms, it automatically negotiates the appropriate voltage and current required by the connected device, providing efficient and stable charging for compatible laptops and accessories.
Product Introduction
The HP TPN-LA31 is a 100W USB-C AC power adapter supporting USB Power Delivery profiles up to 20V 5A. It accepts universal AC input and provides multiple output levels for compatible HP notebooks and other USB-C PD devices.
Technical Specifications
| Model | TPN-LA31 |
| Brand | HP |
| Power Rating | 100W Max |
| Input Voltage | 100–240V AC 50–60Hz |
| USB-C PD Output | 5V 3A / 9V 3A / 12V 5A / 15V 5A / 20V 5A |
| Connector Type | USB Type-C |
| Charging Protocol | USB Power Delivery (PD) |
| Power Delivery | Maximum 100W |
OEM Replacement Compatibility
This adapter is compatible with the HP USB-C 100W charging platform and can replace the following part numbers where the specifications match:
- TPN-LA31
- N57045-001
- N56858-001
- N56858-002
- N56858-011
- PA-1101-08HT
Compatible Devices
- HP EliteBook USB-C models
- HP ProBook USB-C models
- HP ZBook Firefly G11 series
- HP Spectre x360 USB-C models
- HP Envy USB-C laptops
- HP Pavilion Plus USB-C notebooks
FAQ
Q1: Is this a USB-C Power Delivery charger?
Yes. It supports USB Power Delivery with multiple voltage profiles up to 100W (20V 5A).
Q2: Can it replace my HP 100W USB-C charger?
Yes, if your original adapter uses USB-C and has matching power specifications, this model is an appropriate replacement.
Q3: Does it support lower-power USB-C devices?
Yes. USB Power Delivery automatically negotiates the required power, allowing compatible devices requiring less than 100W to charge safely.
Q4: Can it charge phones and tablets?
Compatible USB-C PD phones, tablets, and accessories can also be charged, provided they support USB Power Delivery.
The HP TPN-LA31 is a 100W USB-C Power Delivery AC adapter designed for compatible HP notebooks and USB-C devices. Supporting up to 20V 5A output, it provides intelligent fast charging for HP EliteBook, ProBook, ZBook, Spectre, Envy, and Pavilion series while replacing compatible HP 100W USB-C power adapters with matching specifications.
