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Teen's supercapacitor invention could fully charge cell phones in 20 seconds Published: May 20, 2013

Batteries--specifically, their lack of longevity and long recharge cycles--have been one of the most annoying bottlenecks to mobile innovation, but a California teenager has developed a technology that could significantly relieve some of that burden, reports Hot Hardware.

18-year-old Eesha Kare developed a supercapacitor that could fit inside a battery and charge cell phones in 20 to 30 seconds instead of hours.

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