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FAQ: Can the SBM boards balance the LiFePO4 cells properly?
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FAQ: Can the SBM boards balance the LiFePO4 cells properly? Answer: The SBM boards have the ability to balance the cells with a very small current (few milliamps). This balancing current may be sufficient only for finely balanced cell of very small capacity (of just few Ahs). For large capacity cells, especially with high current applications like automotive and solar, the SBM balancing is NOT enough to keep the cells in a good shape. For large cells, we suggest to use additional CBM boards to increase the balancing currents for the cells. For high current charging it is recommended to connect multiple CBM boards in parallel to increase the total balancing currents. In view of the price of the LiFePO4 pack and with purpose of keeping the battery working for many years or even for decades, it is certainly worthy to invest additional money to have a complete battery solution including a stable and reliable BMS system - for example the BMS123 solution. See details for CBM and SBM at EV-POWER.EU | |
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