Description
19.5V 2.31A 45W Laptop AC Power Adapter Charger – Blue Pin 4.5×3.0mm for HP (Model TPN-DA16 / 740015-003)
Product Overview
The 19.5V 2.31A 45W Laptop AC Power Adapter Charger is a reliable and efficient replacement or spare charger designed specifically for HP laptops that use the blue-tip (blue pin) 4.5×3.0mm connector. Built to meet original power specifications, this adapter delivers stable power output to safely charge your laptop and run it simultaneously without interruptions.
It is ideal for home, office, school, or travel use, offering dependable performance and long-term durability.
Power Specifications
-
Output Voltage: 19.5V
-
Output Current: 2.31A
-
Total Power: 45W
-
Input Voltage: 100–240V ~ 50/60Hz (Worldwide compatibility)
These specifications ensure the adapter supplies the exact power required by compatible HP laptops, preventing overcharging, overheating, or unstable power delivery.
Connector Type – Blue Pin 4.5×3.0mm
-
Connector Size: 4.5mm (outer) × 3.0mm (inner)
-
Pin Type: Blue-tip smart pin
The blue pin connector is a signature HP design that enables smart communication between the charger and the laptop, allowing the system to correctly recognize the power adapter and charge efficiently.
Compatibility
This charger is compatible with many HP notebook and ultrabook models, including systems that use:
-
HP adapter model: TPN-DA16
-
HP part number: 740015-003
Common compatible HP series include (model dependent):
-
HP Pavilion
-
HP ProBook
-
HP EliteBook
-
HP Stream
-
HP Notebook series
Always confirm your laptop’s voltage, wattage, and connector size before purchasing.
Safety & Protection Features
The adapter is engineered with advanced safety protections to ensure reliable and secure operation:
-
Over-voltage protection – Prevents damage from power surges
-
Over-current protection – Guards against excessive current flow
-
Short-circuit protection – Automatically shuts down in unsafe conditions
-
Over-temperature protection – Prevents overheating during long use
These features help protect both your laptop and the charger, extending device lifespan.
Build Quality & Design
-
High-quality ABS plastic housing for durability and heat resistance
-
Strong, flexible power cable to reduce wear and cable breakage
-
Compact and lightweight design, easy to carry in a laptop bag or backpack
-
Efficient heat dissipation, allowing stable performance even during extended charging sessions
The charger is designed to withstand daily use while maintaining consistent power output.
Universal Input – Travel Friendly
With 100–240V input support, this charger can be used in multiple countries with the appropriate plug adapter, making it ideal for travelers, students, and professionals on the move.
Ideal Use Scenarios
✔ Replacement for a lost or damaged original HP charger
✔ Spare adapter for office, school, or travel
✔ Reliable power source for daily laptop charging
✔ Suitable for home users, students, and business professionals
Package Contents
-
1 × 19.5V 2.31A 45W HP Laptop AC Power Adapter
-
1 × Power cord (region-specific, depending on supplier)
Why Choose This Charger
-
Matches original HP power specifications
-
Safe, stable, and efficient charging
-
Smart blue-pin connector for full compatibility
-
Durable construction with built-in protection
-
Cost-effective alternative to original adapters
If you want, I can also:
-
Rewrite this description for Amazon, Alibaba, Jumia, or eBay
-
Make a short sales version or technical specification table
-
Help you list compatible HP laptop models
















Reviews
There are no reviews yet.