ThinkPad T series T420s, and the T520, have been lauded for their battery life – up to 30 hours with a 9-cell battery slice. ThinkPad T series The ThinkPad T series is a line of laptop computers introduced by IBM in 2000. After the transfer of the consumer computer division in 2005, they were developed and marketed by Chinese technology company Lenovo. IBM introduced the T series as part of their ThinkPad brand in 2000. The laptop was meant to cater to users working with multiple networks and in different environments. This resulted in the development of the IBM Embedded Security Subsystem. From
ThinkPad Tablet brick with a software error without a way to recovering it. The only solution Lenovo offers is to replace the motherboard of the tablet. Lenovo has explained that this happens because the tablet contains DRM protected software and Lenovo proprietary code on the Android image. Users on different forums have reported that the following hardware components on this tablet are prone to failure: ThinkPad Tablet The ThinkPad Tablet is a tablet computer made by Lenovo as part of its series of Android-based tablet devices and is targeted towards business users. Lenovo's tablet offerings are available in both ThinkPad and IdeaPad