Cell consistency refers to the performance differences between different cells in a battery pack, including internal resistance, capacity, voltage, and other aspects. Cell consistency in a battery pack has a significant impact on the performance and lifespan of the battery pack, as follows:

Energy and capacity of the battery pack: The capacity differences between different cells in the battery pack can cause a reduction in the total capacity of the battery pack, which means that the energy storage capacity of the battery pack will be weakened. At the same time, the internal resistance differences between different cells can also affect the stability of the energy output of the battery pack.

Charging speed: The internal resistance differences between different cells can cause the battery pack to experience “runaway” during charging, which means that some cells will be fully charged before others, resulting in the battery pack not being fully charged, and the charging speed slows down.

Discharge speed: The internal resistance differences between different cells can also cause the battery pack to experience “runaway” during discharge, which means that some cells will be discharged before others, resulting in the battery pack not fully utilizing its total capacity, and the discharge speed slows down.

Cycle life: The capacity and internal resistance differences between different cells in the battery pack can cause an imbalance in the battery pack during the cycle use process, resulting in a shortened lifespan of the battery pack.

In summary, cell consistency is one of the important factors that affect the performance of a battery pack. To obtain better battery pack performance and lifespan, suitable battery pack design and manufacturing processes should be adopted to ensure the consistency of cells in the battery pack.