Buy an 90W AC Adapter and also get a Lenovo Performance Backpack and a Compact ThinkPad Travel Mouse. This backpack features a front bungee system to stash your bicycle helmet, jacket or newspaper and there are mesh water bottle pockets on the sides. The ThinkPad travel mouse has a portable and ambidextrous design which makes it the perfect compact mouse for everyday and mobile use. The mouse is designed for right and left handed use.