Hand emergency portable power source

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Most portable power sources on the market have fixed capacity and need to wait for the charging. This designing scheme is specifically designed for the emergency situations of inconvenience outdoor charging. It is recharged in the way of changing the hand mechanical energy into electrical energy. Equipped with hand generating power module, it can be recharged by mini interface at ordinary times while it can be handed generating power and stored to provide power protection for mobile phones in the absence of external power! The portable power source of small size can be gripped with one hand for easily carrying for most people. It has 8cm long rocker so that its rotation is less effort with higher power generation efficiency!

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