Lenovo 100W USB-C AC Adapter

Overview

The Lenovo 4X21M37465 is a USB-C AC adapter designed to deliver up to 100 watts of power, making it suitable for charging ThinkPad notebooks and other compatible laptops. It supports a wide input voltage range from 100 to 240 volts at 50 to 60 hertz, allowing use in most regions without needing a voltage converter. This adapter is ideal for users who need reliable power at their desk, in meeting rooms, or while traveling.

Key features

• Provides 100 W USB-C power output to efficiently charge or run high-performance laptops
• Wide input voltage range supports global use without additional converters
• Includes a 1.8-meter DC cable and a 1.0-meter C5 AC line cord for flexible placement and convenience
• Energy efficiency exceeding 89 percent reduces power waste and minimizes heat generation
• Meets over 20 international safety standards including CB, UL, and CE for secure operation in various environments
• Designed to maintain performance in temperatures up to 40 °C and humidity levels up to 80 percent
• One-year customer-replaceable warranty offers straightforward support and peace of mind

Key specs

• Power output: 100 watts via USB-C
• Input voltage: 100–240 V AC
• Input frequency: 50–60 Hz
• Input current: 1.5 A
• DC cable length: 1.8 meters
• AC line cord length: 1.0 meter (C5 connector)
• Energy efficiency: greater than 89 percent
• Operating temperature: up to 40 °C
• Operating humidity: up to 80 percent
• Safety certifications: CB, UL, CE, plus over 20 additional global approvals

Connectivity and compatibility

This adapter uses a USB-C output to deliver power, which is compatible with Lenovo ThinkPad laptops and other devices that support USB-C charging. The included cables provide ample length for comfortable use in various settings, whether plugged into a wall outlet at a workstation or in a hotel room while traveling.

Ideal uses and environments

Its broad input voltage range and multiple safety certifications make this adapter well suited for office environments, home use, and international travel. It performs reliably in warm and humid conditions, which benefits users who work in diverse climates or frequently move between locations. IT departments can also benefit from stocking this adapter as a dependable spare for employees.