Get power when and where you need it with a spare genuine ThinkPad AC adapter. Keep one in the office, one at home, and another in your carrying case for convenient access to power wherever a wall outlet is available.The ThinkPad 90W AC Adapter for X1 Carbon offers the same specifications as the standard AC adapter that ships with the ThinkPad X1 Carbon laptop.\n\nFeatures & Benefits:\n- For use with the ThinkPad X1 Carbon\n- New plug design\n- Second adapter for home or travel\n- ThinkPad-branded\n- 1-year warranty