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We all use electricity everyday, and theres always a need of using plugs, but we barely can find socket when we are outside.
Because of this, I replace electrical energy by using solar energy; storing up solar energy by portable socket so that using at outdoor.
Besides, the product has a bar which displays its energy status so that we can be informed.
Using energy which is from Nature can solve urgent problems the world now faces, for example, the global warming. This product is useful and Eco-friendly. Why not?
Southern Taiwan University
Tainan City, Taiwan
Southern Taiwan University
Tainan City, Taiwan
Du Ching Ting
Prof. Lin Chia Chun