HP 19V Big Mouth Laptop Charger

HP 19V Big Mouth Laptop Charger (commonly known as the 90W big pin/mouth adapter) is a durable and reliable power supply unit engineered to deliver steady voltage, protection, and optimal charging performance for compatible legacy and standard HP/Compaq notebooks.

• Smart-Pin Technology: Equipped with an internal central smart-pin inside the barrel connector that communicates with the laptop to regulate power delivery safely.

• Stable Power Regulation: Automatically converts alternating current (AC) to direct current (DC) while maintaining consistent voltage regulation to prevent performance throttling or unexpected shutdowns.

• Built-In Multi-Protection: Features integrated circuit safeguards against short circuits, output overloads, overvoltage, and internal overheating.

• Universal AC Input: Supports worldwide voltage compatibility (100V–240V), making it resilient against minor grid fluctuations when paired with standard power cords.

• Durable Build & Portability: Housed in a tough, high-impact flame-retardant plastic shell designed for everyday travel and office deployment.

Specifications

• Product Type: AC/DC Laptop Power Adapter (Desktop Brick Style)

• Power Capacity: 90W

• Input Voltage: 100V – 240V AC

• Input Frequency: 50Hz / 60Hz

• Output Voltage: 19V DC

• Output Current: 4.74A

• Connector Type: “Big Mouth” / Big Pin Barrel Plug (External Diameter: 7.4mm, Internal Diameter: 5.0mm with central pin)

• Included Accessories: Detachable 3-prong AC power cord (Mickey Mouse / C5 or cloverleaf style depending on sub-revision, or standard regional wall plug chord)

• Physical Dimensions: Approx. $11.3\text{ cm}\times 5.0\text{ cm}\times 3.0\text{ cm}$

• Net Weight: Approx. $350\text{ g}-400\text{ g}$ (excluding power cord)

• Casing Material: High-grade thermal-resistant ABS plastic