Renata Lithium Manganese Dioxide Battery - Superior Leakage Resistance CR2477N Nominal Voltage - 3V Nominal Capacity - 950 mAh The annual self-discharge rate at room temperature (23°C) and normal humidity is less than 1% of the nominal capacity. Safe products: all Renata and MFR coin cells are UL-recognized products (File No. MH14002) Environmental-friendly; do not contain toxic substances