18650锂电有两种电压,磷酸铁锂的标称电压为3.2V 其他材料的比如三元等标称电压为3.7V
要组装12V的锂电,如果是磷酸铁锂材料的需要4串,就是电池的负极和下一节的正极相连以此类推总共4个,第一节的正极作为电池组的正极,第四节的负极作为电池组的负极。他的电压范围是8-14.4V;三元材料的也类似只是少一节而已,电压范围是9-12.6V。以上两个电压范围都是加保护板计算的。
锂电组合还有一个要注意,因为锂电自身是没办法有过充。过放以及短路等相关保护的,所以都要加保护板。
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