18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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Series parallel connection calculation of lithium battery pack

release time:2022-12-12 Hits:     Popular:AG11 battery


  Cabinet type energy storage battery 10KWH

  We all know that the series voltage of lithium batteries increases, and the parallel capacity increases. How to calculate how many series and parallel lithium batteries are composed of? Before calculation, we need to know what specification of the battery cell is used for the assembly of this lithium battery pack. Because different cell voltage capacities are different, the number of series and parallel required for assembling a lithium battery pack of a specific specification is different. Common types of lithium battery cells on the market include 3.7V lithium cobalate, 3.6V ternary, 3.2V lithium iron phosphate, and 2.4V lithium titanate. The capacity varies with the size, material, and manufacturer of the battery cell. Take 48V 20Ah lithium battery pack as an example

  Assume that the specification of the single cell used is 18650 3.7V 2000mAh

  Assume that the specification of the single cell used is 18650 3.7V 2000mAh

  Number of parallel electric cores: 20Ah/2Ah=10, i.e. 10 parallel (10 electric cores in parallel)

  The whole battery is 13 strings × 10 electric cells=130 electric cells


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