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85问答库 > 9V太阳能电池板给6V电瓶充电，有必要加控制器吗

9V太阳能电池板给6V电瓶充电，有必要加控制器吗

2025-04-03 18:04:17

推荐回答（4个）

回答1：

应该加。电池板虽然是9v，但是它的输出电压在阳光强的时候会明显增加。加控制器能有效控制充电程度，防止过充，保护电瓶。

回答2：

其实6V电瓶充电电压也可以达到8.3V，只要串联一只4001二极管就能降0.7V，电流小于1A.。

回答3：

有

回答4：

有必要

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