ASUS AC Adapter includes power cable (AD891M21)

Running out of battery when you need your laptop most can bring work to a halt. The ASUS 45W AC Adapter (AD891M21) is the reliable replacement or spare power solution that keeps your compatible ASUS laptop charged and ready, whether at your desk, in a meeting, or travelling. This genuine adapter delivers the exact 19V/2.37A output your device expects, ensuring safe and efficient charging every time.

Who is it for

This adapter is ideal for ASUS laptop users who need a dependable power source at home, in the office, or on the go. It is perfect as a direct replacement for a lost or damaged original adapter, or as a convenient second unit to keep in a bag or another location, eliminating the need to carry cables between rooms.

Main features

• Delivers 45W of power with 19V output and 2.37A current for optimal charging.
• Includes an AC power cable for immediate use out of the box.
• Features a 4.0mm x 1.35mm barrel connector, compatible with select ASUS ZenBook and VivoBook models.
• Built-in over-voltage, over-current, and short-circuit protection for safe operation.
• Meets Level VI energy efficiency standards, reducing power consumption when not actively charging.
• Compact black design with a 1.2m DC cable for flexibility in placement.
• Certified to CE, FCC, and RoHS standards for quality and environmental compliance.

Specifications

• Brand: ASUS
• Model: AD891M21
• Power Output: 45W
• Output Voltage: 19V
• Output Current: 2.37A
• Input Voltage: AC 100-240V
• Input Frequency: 50/60Hz
• DC Connector Type: Barrel Plug
• DC Connector Dimensions: 4.0mm (Outer) x 1.35mm (Inner)
• DC Cable Length: Approx. 1.2m
• AC Power Cable Included: Yes
• Colour: Black
• Protection Features: Over-voltage, Over-current, Short-circuit
• Energy Efficiency: Level VI
• Certifications: CE, FCC, RoHS

Tips

To ensure compatibility, verify that your laptop requires a 19V 2.37A adapter with a 4.0x1.35mm tip. Always use the adapter in a well-ventilated area and avoid covering it to prevent overheating. When travelling, check the local plug type; this adapter's AC plug varies by region and may require a plug adapter for international use.