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Actually, there still remains some power in the
used batteries. This R-battery takes the form of
a D type battery into which used AA or AAA
batteries can embed. Then, by transforming
and collecting the remaining power in the used batteries, we can use the device again and again.
Jiangnan University
School of design
Wuxi, China
Jiangnan University
School of design
Wuxi, China
Shuo Wang,
Hansen Wei,
Ying Zhao
