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Photo: The 14-hour fuel cell

By Bill Detwiler

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UltraCell prototype
UltraCell prototype
Photo: The 14-hour fuel cell

Stephen Shankland

UltraCell says its prototype fuel cell can power a laptop for 14 hours. The Livermore, Calif.-based start-up showed the technology at the Intel Developer Forum in San Francisco this week.

Stephen Shankland
Image of Bill Detwiler
By Bill Detwiler
Bill Detwiler is the Editor for Technical Content and Ecosystem at Celonis. He is the former Editor in Chief of TechRepublic and previous host of TechRepublic's Dynamic Developer podcast and Cracking Open, CNET and TechRepublic's popular online show.