The Internet of Things is the third revolution in the information technology industry. With the accelerated development of 5G and AI intelligent technologies, more and more professional IoT devices are becoming civilian and consumer products. The rapid popularization has led to a surge in the demand for button batteries in many sensor devices. Radio frequency identification, infrared sensors, global positioning systems, laser scanners and other information sensing devices all require button batteries, generally using CR2016, CR2032, CR2025, CR2032 and other models of button batteries.