Hotplug PSUs are very sturdy — rarely see warranty claims. Safe bet. Always make sure they're tested. Key checks: Make sure tested.
PRODUCT OVERVIEW
The ThinkPad and IdeaPad 90W Slim AC/DC Combo Adapter supplies power to your ThinkPad, IdeaPad or Lenovo 3000 notebook and simultaneously recharges the system battery whenever it is plugged into a standard AC wall outlet or the DC outlets available in airplanes and automobiles. This adapter gives you the flexibility to use your ThinkPad, IdeaPad or Lenovo 3000 notebook longer and in more places. It is Lenovo's thinnest power adapter yet,so it tucks easily into your carrying case for travel.
Make this adapter the only one you take on the road! No need to carry a bag full of chargers when you can use the AC/DC Combo Adapter to power your notebook, cell phone, and PDA. An optional dual charging cable allows you to attach the adapter to both your notebook and a peripheral device simultaneously. Select from a range of optional peripheral charging tips compatible with most popular cell phones and other devices.