HP 65W Smart AC Adapter – Technical Specifications & Compatibility Guide

When you're looking for a reliable power solution for your HP laptop, the HP 65W Smart AC Adapter is one of the most dependable options. Whether you're replacing a lost charger or just need a spare for your backpack or office, this compact adapter delivers consistent, energy-efficient power to keep your device running smoothly.

This adapter is available with two connector sizes: 4.5mm (smart pin) and 7.4mm (barrel) — both designed to support a wide range of HP laptops, including HP Pavilion, EliteBook, ProBook, and Envy series.

Let’s take a closer look at its technical specifications, features, and model compatibility.

Technical Specifications – HP 65W Smart AC Adapter

Connector Comparison: 4.5mm vs. 7.4mm

Tip: Check your existing adapter or laptop port to identify which connector size you need. A wrong connector won’t fit and could damage your device if forced.

Compatible HP Models

The HP 65W Smart AC Adapter supports a wide variety of HP notebooks and Ultrabooks, including:

• HP Pavilion (x360, 15, 17)

• HP Envy

• HP EliteBook

• HP ProBook

• HP Spectre

• HP Chromebook (select models)

• HP Stream

• HP 200/400 series business laptops

Note: Always match the voltage, amperage, and connector type with your laptop specs before purchase.

Why Choose the HP 65W Smart Adapter?

• Travel-Friendly – Compact and lightweight, perfect for travel or dual-location setups.

• Smart Pin Technology – Helps regulate power delivery and extends battery life.

• Trusted Build Quality – Backed by HP’s quality assurance and safety certifications.

• Universal Voltage Support – Great for international use with compatible plug adapters.