Delivering up to 8 000 mAh in the standard C footprint, the C smart meter battery powers multi-feature meters and data aggregation hubs for extended periods without service, while its >90% capacity retention after 10 years and <0.3% annual self-discharge minimize downtime and operational costs. Manufactured on ISO9001-certified lines and fully UL, IEC, and RoHS compliant, each cell provides the peace of mind required for critical utility infrastructure.