batteries batteries

Smart watches based on Qualcomm chipsets are displayed at CES — but do consumers want them? Jae C. Hong/AP hide caption

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Jae C. Hong/AP

Forget Wearable Tech. People Really Want Better Batteries.

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A prototype of a flexible battery from Imprint Energy, one of 40 companies working on battery technology in the San Francisco Bay Area. Imprint Energy hide caption

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Imprint Energy

Electric Cars Drive Demand For Cheaper, More Powerful Batteries

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Electric Car Review Dust-Up May Put Brakes On Tesla Profits

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