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12V20AH蓄电池快速充电需要多大电压多少电流

2025-03-15 06:32:02

推荐回答（2个）

回答1：

快慢只是叫叫而已,以前的充电器是充10小时充满的,现在是6-7小时,已经很快了,要知道对电瓶充电并不是越快越好,相反是越慢越好,理论上短于5小时充满的对电瓶的寿命影响较大,如你一定要快充,这电流也没有具体规定多少,12v20ah的电压是一样的14.4v,通常电动车上的充电器的电流在3a左右,约7小时充满,你可取5a,4小时充满,也可取10a,2小时充满.

回答2：

铅酸电池在0-70%容量时,充电接受电流比较大，可以快速充电时，充电限流一般是30%的容量（即0.3C）。即12V20AH蓄电池快速充电约为6-6.5A。

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