Sometimes there are two representations: rate and magnification. The hourly rate is the charging and discharging rate expressed by the charging and discharging time, which is numerically equal to the number of hours obtained by dividing the Nameplate capacity (ampere hour) of the battery by the specified charging and discharging current (ampere hour). Multiplication is another representation of the charge discharge rate, which is the reciprocal of the time rate. The discharge rate of Primary battery is expressed by the time from discharging through a fixed resistance to the termination voltage. The discharge rate has a significant impact on battery performance.

　　Storage life refers to the maximum allowed storage time, in years, between the production of a battery and its start of use. The total period, including storage period and usage period, is called the validity period of the battery. The lifespan of storage batteries can be divided into dry storage lifespan and wet storage lifespan. The cycle life is the maximum number of charging and discharging cycles that a battery can achieve under specified conditions. When specifying the cycle life, it is necessary to also specify the system of charge discharge cycle tests, including charge discharge rate, discharge depth, and environmental temperature range.

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