Lenovo AC-Adapter 90 Watt Slim-Tip 3 Pin w/o Powercord

Lenovo 45N0238 is a mains power adapter for a laptop, listed as compatible with the ThinkPad X1 Carbon. It provides an external power source for that computer, subject to its supported requirements.

The adapter delivers 90 W at a fixed 20 V and 4.5 A. Its input is 100–240 V AC, 50/60 Hz. These ratings identify the electrical characteristics of this specific part.

The black adapter is intended for indoor use and is listed as a Lenovo laptop power supply, not a general-purpose accessory. The exact identifier, 45N0238, helps distinguish it from other Lenovo adapters.