With accelerated modernization of World, energy price of water, heat, electricity and gas has been a great topic in recent years for most of the countries.
Intelligent water meter for real-time measurement of thermoelectric energy, can realize remote meter reading, remote payment and other functions have been widely applied. These instruments commonly depends on lithium batteries or lithium manganese batteries as backup power supply. At the same time, flow meter, gas meter, intelligent instrument are pursuing long lifetime, we can say that future development of intelligent instrument will and disposable lithium batteries have become increasingly close and inseparable relationship.
