Verified Compatibility: New Original OEM 90W AC Adapter for Lenovo ThinkPad X1 Carbon 3444-4ZU Ultrabook
Review the technical specifications below before ordering. Need help confirming compatibility? Please contact us with your device model and the part number from your existing adapter.
Technical Specifications
INPUT: 100-240V, 50-60Hz (for worldwide use)
OUTPUT: 20V 4.5A, 90W
Connector: Square Yellow with pin inside (ref to the picture).
Outlet: 3-prong
Cord Cable: US/ UK/ EU/ AU plug
Warranty: 12 months
Status: Brand new original & genuine
One Power cord is included with this adapter for FREE（fit your country）
Note: We’ll send you the power cord with the corresponding wall plug according to your shipping address. For example, if your shipping address is in US, then the power cord will be with the US standard wall plug. If you need the different plug used in your country, please contact us immediately after you have paid
Replace Part Number
45N0236,45N0238,0B46994,0B46995,0B46996,0B46997,0B46997,0B46998,0B46999
0B47000,0B47001,0B47002,0B47003,0B47004,0B47005,0B47006,0B47007,0B47008,0B47009
Compatible Models
Lenovo ThinkPad X1 Carbon 3444-4ZU Ultrabook
Frequently Asked Questions
How do I confirm this adapter is compatible with my device?
Match the output voltage, wattage, connector size, and your device model with the specifications above. If you are unsure, contact us with your device model and a photo of the label on your existing adapter.
Can I use an adapter with a higher wattage?
A higher wattage can be suitable only when the voltage and connector are an exact match. Please confirm all specifications before ordering.
What is included in the package?
Please refer to the package-includes lines in the technical specifications above. The plug and power cord configuration may vary by product and destination.
What should I do if I ordered the wrong item?
Please contact us before installation with your order number and device details. Our team will help confirm the correct replacement part and advise on the next steps.