HP 18.5V 3.5A Adapter for HP 445, 450 Series

The HP 18.5V 3.5A Big Pin Adapter by Lapgrade is a reliable power solution tailored for HP 445, 450, and Compaq series laptops. Designed to deliver consistent 65W output, it ensures smooth laptop operation whether you’re working, studying, or browsing. With a durable build and trusted OEM-level performance, this adapter is a dependable replacement or backup for your HP power needs.

Perfectly suited for HP users seeking an affordable and long-lasting power adapter, it features a 7.4mm x 5.0mm Big Pin connector and supports a wide range of compatible models.

Product Features

Stable and Reliable Power Delivery

Delivers 18.5V at 3.5A (65W total), ensuring steady power for HP laptops. Prevents system crashes and battery issues caused by fluctuating voltage.

OEM-Compatible Big Pin Connector

Equipped with a 7.4mm x 5.0mm Big Pin connector for secure, high-efficiency charging. Ideal for HP 445 and 450 series laptops as well as HP Compaq models.

Universal Input Voltage Support

Compatible with AC 100–240V, 50–60Hz input—suitable for global use. Whether at home or traveling, this adapter provides seamless power conversion.

3-Prong AC Input Design

Features a 3-prong power input for enhanced electrical stability and safety. Designed to meet modern power standards.

Durable and Lightweight Construction

Finished in sleek black, this adapter is both compact and travel-friendly while being tough enough for everyday use.

Product Specifications

• Output Voltage: 18.5V DC

• Output Current: 3.5A

• Power Output: 65W

• Connector Tip Size: 7.4 x 5.0 mm (Big Pin)

• Input Voltage: 100–240V AC

• Input Frequency: 50–60Hz

• AC Input Type: 3-Prong

• Color: Black

Compatible HP Laptop Models

HP 445 Series

• Fully compatible with the entire HP 445 laptop lineup

HP 450 Series

• Optimized for HP 450 models requiring a 65W adapter

HP Compaq Models

• 2510p Notebook PC

• 2000 Series:

  • 2000-2a10nr, 2000-2a20nr, 2000-2b09wm, 2000-2b10nr

  • 2000-2b16nr, 2000-2b19wm, 2000-2b20nr, 2000-2b22dx

  • 2000-2b30dx, 2000-2b43dx, 2000-2b44dx, 2000-2b80dx

  • 2000-2b89wm, 2000-2c20dx, 2000-2c20nr, 2000-2c22dx

  • 2000-2c25dx, 2000-2c29wm, 2000-2d09wm, 2000-2d11dx

  • 2000-2d19wm, 2000-2d22dx