Smart meters adopt primary lithium battery, Sunj primary lithium battery uses a unique corrosion-resistant material, has a stainless steel shell and cover, has excellent low-temperature performance and stable working voltage, contains non-combustible electrolyte, more safe, compared with other primary lithium batteries have a longer working life, 25°C annual self-discharge rate is less than 1% , It is suitable for complex working conditions such as extreme high and low temperature and high humidity.

As one of the leading lithium battery manufacturers, SUNJ LiSOCl2 batteries have unique performance benefits, including higher capacity and energy density; Wider operating temperature range (-55°C to 85°C); Widely used in automatic meter reading systems (AMR), advanced metering systems (AMI), smart water meters, electricity and gas meters, WAN fixed communication equipment.