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Lithium-manganese dioxide batteries have a long shelf life, with the following features: At room temperature (23 °C ± 2 °C), the annual self-discharge rate of the battery shall not exceed 2%. High capacity, stable performance, stable discharge voltage, and no voltage lag phenomenon. Adopt a fully sealed structure to greatly reduce the leakage rate of the battery. The battery has good safety performance, high reliability, no pollution and is a green power supply. Two different structures can be made, namely the power type and the success type, to meet the different requirements of use.