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one=two / one=two

one=two
one=two

How harmful can battery be? One cube meters soil could be permanent ruined and become useless with single D battery buried in it. However, how long can one battery last? In our routine life, every time our battery goes low we will immediately replace it with a new one though it still carrying a lot energy inside. Therefore, we designed this spring battery to solve this problem. With a shape and function like a mechanic spring. We can combine two low energy battery into a powerful one. We hope our world can developed sustainable, and we also people may think that we should love our earth while using the spring battery .

University

Huazhong University of Science & Technology

Huazhong University of Science & Technology
Wuhan, China

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Design

Huazhong University of Science & Technology

Huazhong University of Science & Technology
Wuhan, China

Yuan Liu ,Ting He ,Xun Meng ,Kun Huang

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