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Energy-saving ring / Energy-saving ring

Energy-saving ring
Energy-saving ring

Energy-saving ring is a ring-type power bank.
When you wear the ring to do everything,
inside of many metal sheets in the ring will move.
Many metal sheets will produce kinetic energy simultaneously.
Afterwards, kinetic energy will turn into electricity.
It’s easy to recharge your battery and carry with the form of bracelet.
When you use mobile phone in public,making power bank use conveniently.
Besides, the ring also is a watch which can show time.


National Yunlin University

National Yunlin University
of Science and Technology
Taoyuan County, Taiwan

Mei Yi Huang,
National Yunlin University