Lenovo ThinkPad 90W AC Power Adapter - 20V 4.5A - Black 42T4431

The Lenovo ThinkPad 90W AC Power Adapter delivers reliable and efficient charging for your ThinkPad notebook, ensuring you stay powered throughout the day. With a robust 90-watt output and a stable 20V/4.5A DC supply, it provides the consistent energy your laptop needs for demanding tasks, from intensive multitasking to high-performance applications. Its universal AC input (100-240V) makes it suitable for international travel, while the included power cord with CEE 7/7 plug and IEC C5 connector ensures a secure connection in European outlets.

Advantages

This adapter is engineered for longevity and safety, featuring overload, overvoltage, and short circuit protection to safeguard both the adapter and your laptop. Its ENERGY STAR compliance means lower energy consumption and reduced environmental impact without compromising performance. The compact, black design is easy to pack and blends seamlessly with your ThinkPad accessories. The 1.8-meter DC cable offers flexibility in positioning your laptop while charging, reducing strain on the connector.

Suitable for

• Lenovo ThinkPad notebooks requiring a 90W power supply
• Professionals who need a dependable spare or replacement adapter
• Frequent travelers needing a versatile adapter with universal voltage
• Users seeking an energy-efficient charging solution

Key specifications

• Power output: 90 W
• Input voltage: AC 100-240 V, 50/60 Hz
• Output: 20 V DC, 4.5 A
• Connector: Round barrel tip (7.9 mm x 5.5 mm)
• DC cable length: 1.8 m
• Colour: Black
• Certifications: CE, FCC, UL, RoHS, WEEE

Recommendations

For optimal compatibility and safety, verify that your ThinkPad model requires a 90W adapter and a round barrel connector. Keep the adapter in a well-ventilated area during use to prevent overheating. When traveling, use only the appropriate power cord for the region. This adapter is an ideal replacement for original Lenovo part number 42T4431.