Additional Details ------------------------------ Product description: Engineered to provide reliable, long lasting power Reliable even in a wide range of operating temperatures (-22°F to +140°f) Batteries and packaging meet or exceed IEC 60086-4: 2019, ANSI c18-3m, part 2-2019 and UL 1642 compliance standards Long SHELF life of up to 8 years 3.0V nominal voltage