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 10 ThinkPad 10 Lenovo ThinkPad 10 refers to two generations of 10-inch business-oriented tablet computers manufactured by Lenovo. Along with the ThinkPad 8, the first-generation "ThinkPad 10", announced in May 2014, is part of the third-generation of ThinkPad branded tablet PCs, succeeding the ThinkPad Tablet 2. It uses Windows 8.1 as its operating system and supports a free upgrade to Windows 10. A second generation of the "ThinkPad 10" was announced in May 2015. It will come with Windows 10 out of the box. Both generations of the Lenovo ThinkPad 10 have the same design and largely identical specifications - a