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Cirkit / Battery Charger


CIRKIT is smart phone charger, combined with supplementary battery. This digital smart charger contains double battery cells in its body, so user could charge their smart phones and supplemetary battery at the same time.


University of Seoul

University of Seoul
Seoul city, South Korea

Kyumin Ha,
University of Seoul

Sewon Jung,
Hongik University

Yongjae Park,
Yonsei University

Songyee Kim,
Sungshin Womens University