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The consumption of smartphone electricity is rapid. To solve this problem, we carry a mobile charger with us or build pulbic charge stations on the street. However, the mobile charger is too big for our hands to hold while we are using smartphone. Furthermore, charge stations are unportable, which means people may be confined by the utility and have their plans delayed.
Base on this concept, Mini power is a new type of mobile chargers, which is much smaller because of its small capacity and paper battery material for urgent use. People can buy it from stores just nearby instead of carrying a heavy mobile charger from home.