The 22.5W fast charging powerbank is a portable charger that can be carried by individuals and can store power by itself. It is mainly used for charging consumer electronic products such as handheld mobile devices, especially in situations where there is no external power supply. The main components of the 22.5W fast charging powerbank include: a battery used for energy storage, a circuit for stabilizing the output voltage, and most of the mobile power supply has a charger for charging the built-in battery.

The 22.5W fast charging powerbank was originally used to charge consumer electronic products where there is no external power supply, but because its output interface is a very versatile USB interface, it is also used as other USB interfaces as power input terminals. Equipment or equipment power supply, such as USB LED lights, USB electric fans, etc.
The 22.5W fast charging powerbank has three basic functions, including energy storage, charging and power supply. Other functions, such as safety protection, battery status detection and display, etc., are added according to the needs of different designs, uses and convenience of operation.