product concept formation stage (2001 – 2003): mobile power is essentially a charger, and it first appeared in Las Vegas International Consumer Electronics Show in 2001, a student pieced a control circuit with a few AA batteries together, and this event represents the portable external battery charger officially born.
2.The formation stage of the concept of market (2004-2006): Victories put a large amount of money to launch the engine compartment named mobile power, and this event marked the untimely the early throes and started their own prototype mobile power by only product concept into the market concept stage.