From the perspective of the reliability of the lithium battery connection, the development trend of voltage inconsistency and the influence of performance, the connection mode of first parallel and then series is better than that of first series and then parallel, and the topology structure of first series and then parallel lithium battery is conducive to the detection and management of each lithium battery cell in the system.Īt present, lithium battery tends to be charged in series, which is mainly due to its simple structure, low cost and easy realization.First series and then parallel connection help the consistency of the lithium battery pack. Advantages of Lithium Batteries First Connected in Series and Then in Parallelįirst connecting the batteries in series according to the capacity, for example, 1/3 of the whole battery capacity are connected in series, and then connecting the rest in parallel, will reduce the failure probability of high-capacity lithium battery modules.Disadvantages of Lithium Batteries First Connected in Parallel and Then in Series. In parallel connection, a short circuit of a lithium battery cell may cause short circuit due to large current, which is usually avoided by using fuse protection technology. If a lithium battery cell automatically exits, except the capacity reduction, it does not affect parallel connection Advantages of Lithium Batteries First Connected in Parallel and Then in Series.
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