What is the best way for lithium-ion battery pack BMS to manage six separate 10S2P lithium-ion battery packs?

I plan to build six individual 10S2P lithium-ion battery packs. Each battery pack contains ten cell singles connected in series (10S) and two of these series cell singles are connected in parallel mode (2P). As far as the bms goes, what is the best way to connect them?

You can choose between centralized management and individual management to manage six separate 10S2P lithium-ion battery packs.

  1. Central management: The advantage of using a central BMS system is that it has a centralized controller, which simplifies management. In this case, you need to connect all the battery packs together and to the central BMS unit. However, one of the disadvantages is that it can lead to confusing wiring due to the need to route 60 sense and balance lines back to the central module. This complex wiring can affect performance due to EMC/EMI issues.
  2. Individual management: You can choose to use a separate BMS for each battery pack. This is a modular and simple approach with simpler wiring and easy maintenance. In addition, individual BMS units may be less susceptible to EMC/EMI issues because of the shorter wiring distance between the batteries and their respective BMS.

The choice between a central lithium-ion battery pack BMS and separate BMS cells may depend on the budget and the specific application. MOKOEnergy can offer a choice of solutions depending on your project needs.

MORE: How many BMS should be installed for two separate lithium-ion battery packs connected in series?

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