AC Adapter Lenovo ThinkPad X1 Carbon 20V 4.5A 90W with power cable

Original Lenovo AC adapter for ThinkPad X1 Carbon rated 20V 4.5A 90W and supplied with a detachable power cable. Designed to provide stable power for charging and operating compatible ThinkPad X1 Carbon laptops, this adapter supports sustained performance during everyday use at home, in the office or on the go. The adapter includes built-in protection against overcurrent and overheating when used with supported devices and matches the electrical specifications required by the laptop.

Advantages

The adapter delivers a consistent 90W output at 20V and 4.5A to ensure reliable charging and power delivery for compatible ThinkPad X1 Carbon models. Its compact design and detachable power cable improve portability and storage. Integrated safety features offer protection from overcurrent and thermal stress during normal operation. Being an original Lenovo accessory ensures compatibility with Lenovo power management functions and charging indicators on supported laptops.

Suitable for

• Charging and powering compatible Lenovo ThinkPad X1 Carbon laptops
• Home and office workstations requiring stable power delivery
• Business travel and mobile work where a reliable spare or replacement adapter is needed

Key specifications

• Output voltage: 20 V
• Output current: 4.5 A
• Rated power: 90 W
• Connector type: Lenovo-compatible barrel or designated laptop input (matches ThinkPad X1 Carbon charging port)
• Includes detachable mains power cable
• Built-in protection: overcurrent and overtemperature safeguards

How to use

Connect the detachable mains power cable to the adapter and then plug the adapter into a suitable AC outlet. Insert the adapter's output connector into the ThinkPad X1 Carbon charging port until it seats securely. When connected, the laptop's charging indicator should confirm charging status according to the laptop's power management. To disconnect, remove the connector from the laptop before unplugging the adapter from the AC outlet. Use only with compatible ThinkPad X1 Carbon models and recommended voltage/current ranges to ensure correct operation.

Recommendations

Use the adapter on a flat, well-ventilated surface and avoid covering the adapter during operation to prevent overheating. If the adapter becomes unusually hot, disconnect it and allow it to cool before further use. Use the original or approved replacement power cable and avoid connecting the adapter to unregulated or damaged power sources. For long-term storage, keep the adapter in a dry place and coil the cable without tight bends.