2025年04月21日Introduction to Battery Capacity Knowledge

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    Battery capacity is one of the important performance indicators for measuring battery function, which represents the amount of electricity discharged by the battery under certain conditions. People may use how much water a pool can store as a reference, and battery capacity actually refers to the amount of electricity stored in the battery.

    Classification: Battery capacity is divided into actual capacity, actual capacity, and rated capacity. The actual capacity is how much power the battery may actually release. The actual capacity is the discharge capacity that a battery can achieve under hypothetical conditions. However, in reality, due to various reasons, this actual capacity cannot be achieved. The capacity limit set by discharging at a certain discharge rate at 25 ℃ to the termination voltage is the capacity of the battery specified during design and production, which is called the rated capacity of a certain discharge rate RH.

    Unit: The battery capacity units include mAh and Ah. The Chinese name for mAh is milliampere hour, and the Chinese name for Ah is ampere hour. The conversion method for these two is 1Ah=1000mAh.

    Usually, battery capacity is measured in ampere hours or milliampere hours based on a determined battery. However, in reality, it cannot be simply said that batteries with different voltages should be measured in terms of work in order to have practical meaning.

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