Golf Car Electric Lifepo4 Battery 36V 42AH For Power Supply

Golf Car Electric Lifepo4 Battery 36V 42AH For Power Supply

What does lithium-ion battery SOC mean?

The important task of BMS is to detect the working condition of the battery, estimate the SOC and health status of the battery, and complete the functions of thermal management, charge and discharge control, CAN communication, balance detection, fault diagnosis and liquid crystal display. SOC meanings are varied. At present, it is more unified in the world to give the meaning from the perspective of capacity, that is, the state of charge SOC represents the residual capacity of the lithium-ion iron phosphate battery, which is numerically equal to the ratio of the remaining capacity of the battery to the rated capacity.

The SOC (state of charge) of lithium-ion batteries is simply how much power is left in the battery; SOC is the most important parameter in a BMS, and because everything else is based on SOC, its accuracy and robustness are extremely important.

Without an accurate SOC, no amount of protection can make the BMS work properly, because the lithium-ion battery will always be in a protected state, let alone extend the life of the battery. The estimation accuracy of the SOC is also very important. The higher the accuracy, the higher the range can be for lithium-ion batteries of the same capacity. Therefore, high-precision SOC estimation can effectively reduce the cost of lithium-ion batteries.

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