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ThinkPad T420: A Classic Workhorse

At a Glance

(1 items)

At a Glance

The venerable T420's staid countenance belies its outstanding performance, reliability, and features.

Price when rated: 1249


  • Solidly built
  • Fast performer with a great keyboard


  • No USB 3.0
  • Textured touchpad has an odd feel

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Damaged Lithium Ion battery explodes

Sep 17, 2014 12:00 AM

Japan's National Institute for Technology and Evaluation (NITE) tested a Lithium Ion battery about the size of one used in a cellphone. It was struck with a hammer then left on a work bench, unconnected from any apparatus. The result was explosive.


Damaged Lithium Ion battery explodes

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