With the progress of life, mobile phones, computers, iPads, and other electronic products have become a must-have for everyone. However, long-term use can consume a lot of electricity, and a portable power bank has become an essential product for us. At the same time, the safety of mobile power banks is becoming increasingly prominent. Reports of mobile power banks catching fire and exploding due to overcharging and discharging, high battery temperatures, port short circuits, etc. are constantly emerging, seriously threatening people's personal and property safety.