Users often have a pain point that the camera battery is not durable and has short battery life. It is inconvenient to carry multiple batteries, and it is easy to mix them up or even lose them. Therefore, in order to solve the needs of users, GoPro creates this portable power bank that can charge the GoPro camera battery while charging the mobile phone at the same time. The overall shape of power bank is tough and square and it adopts rubber paint spraying process. The twill design elements of the GoPro motion camera are used, and the texture of the battery compartment is increased along with the anti-slip function.