ThinkPad 90W AC Adapter (slim tip) - 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.\n\nThe ThinkPad 90W AC Adapter (slim tip) offers the same specifications as the standard AC adapter that ships with the ThinkPad X1 Carbon laptop.\n\nPerformance specifications\n\n- AC type: Universal Input, Worldwide Agency Support\n- AC input voltage: 100 V to 240 V; 50/60 Hz\n- Input connection: Includes standard AC power cord