I put the Lenovo ThinkPad X220's 24-hour battery claim to the test | Windows Experience Blog
Lenovo ThinkPad X220 12.5" Refurbished Tablet PC - Intel Core i7 2640M 2nd Gen 2.8 GHz 8GB 128GB SSD Windows 10 Pro 64-Bit - Webcam, Touchscreen - Walmart.com
3-pound ThinkPad has USB 3.0, killer battery life - CNET
Lenovo ThinkPad X220 Review - StorageReview.com
Lenovo ThinkPad X220 review - Specs and details | WIRED UK
Ideapad or Thinkpad for my girlfriend for university tasks + obviously the best battery life possible for the money. More info in comments - we need your help : r/thinkpad