Suitable environment for disposable batteries

We need water, electricity and gas, which involves measurement. Intelligent electric meter is an essential link, and lithium secondary battery or lithium manganese battery is generally used as working and standby power supply; Secondly, medical equipment. In the hospital, the real-time status of each patient needs to be monitored. Monitoring needs equipment, equipment needs power supply, and primary lithium battery is the source of power supply. Other fields involved are positioning, aviation, aerospace, navigation electronics, land, sea and air weapons, weapons and equipment, intelligent fire fighting, anti-theft alarm, wireless communication, life-saving at sea and so on.