Offering more capacity than smaller formats, the A smart meter battery delivers stable 3.6 V Li-SOCl₂ power with a 10-year shelf life and <0.3% annual self-discharge, enabling feature-rich meters and data hubs to run longer between maintenance intervals. Manufactured under ISO9001 certification and batch-tested to UL, IEC, and RoHS standards, this cell combines the reliability of a well-known form factor with the advanced chemistry and quality control of SUNJ’s state-of-the-art production lines.