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Mobile power / mobile power

Mobile power

This is with bottle opener for solar mobile power supply, due to the places of solar mobile power supply general is outdoors, so I in the mobile power in the upper left corner at a small change, so that it can realize the opener of a function, if in the outdoor camping want to drink beer with friends, without the need to also carry a bottle opener, bring it is enough.

University

Chaoyang University

Chaoyang University
Taichung, China