The demand for power banks in the market has been very high in recent years. With the increasing use of smartphones, tablets, and other portable devices, people need a way to keep their devices charged on the go. 

Power banks provide a convenient and reliable solution, which is why they have become so popular.

The demand for power banks is expected to continue to grow in the future, as more people rely on portable devices in their daily lives. 

Additionally, the increasing popularity of electric cars and other battery-powered devices may also drive demand for power banks, as people will need to charge these devices while on the go.

Overall, the market for power banks is very promising, and there are many opportunities for innovation and growth in this industry.