Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW
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.<br><br>The ThinkPad 90W AC Adapter (slim tip) offers the same specifications as the standard AC adapter that ships with the ThinkPad X1 Carbon laptop.<br><br><b>Performance specifications</b><br><br>- AC type: Universal Input, Worldwide Agency Support<br>- AC input voltage: 100 V to 240 V; 50/60 Hz<br>- Input connection: Includes standard AC power cord