Specifications

Overview

ASUS 65W Laptop Adapter

65W POWER

Brand	ASUS
Power Output	65 Watts
Output Voltage	19V DC
Output Current	3.42 Amps
Input Voltage	AC 100-240V, 50/60Hz (Worldwide)
Part Numbers	ADP-65DW, PA-1650-78, PA-1650-48, AD887020

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Verified Info: High-performance 65W power supply ensuring stable voltage delivery for your ASUS laptop.

Product Details

Product Overview

ASUS 65W Adapter (19V, 3.42A)

Comprehensive Technical Specifications & Replacement Guide

ASUS

A genuine 65W AC Adapter for ASUS laptops, delivering a 19V, 3.42A output. This model features a high-amp output for fast charging and is commonly equipped with either a standard "Big Pin" (5.5mm x 2.5mm) round barrel connector or a small square connector.

The ASUS 65W Adapter (19V, 3.42A) is the standard power supply unit (PSU) for a wide range of ASUS laptops. Rated at 65 watts, it provides ample power for most dual-core and quad-core Ultrabooks, Chromebooks, and general office laptops without the bulk of a 90W or 120W gaming adapter.

Key Features and Technology

Smart Voltage Regulation: It automatically adjusts to the mains voltage (100V-240V) for global travel.
Thermal Efficiency: Designed with specific heat dissipation requirements for the 3.42A load, ensuring the adapter stays safe to touch even after hours of use.
Compatibility Warning: While the electrical specs (19V 3.42A) remain the same, the physical connector changed drastically across generations. Do not force a "Big Pin" (5.5mm) into a modern "Slim Pin" (4.0mm) port, as it will physically damage the laptop.

Replacement Guide for "Big Pin" Laptops

If you are sure your laptop uses the "Big Pin" (5.5mm x 2.5mm):

Big Pin Specifications & Compatibility

Specification Type	Details
Replacement Part Numbers	ADP-65DW B or PA-1650-48
Visual Check	The connector tip is usually blue or black and is the widest of the ASUS charging tips.
Compatible Laptop Examples	ASUS X550, X555, A555, K55, R510