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[颜色=红色] [/色] HELP! :哭:[颜色=黑色] [/色]我的电池充电器的产量约为13.8V的驱动12VDC灯。我有一个3.5Ah铅酸电池连接到它的工作应在断电的情况下备份。我想连接截止电路,当电池电压下降到9Volts,直流灯将关闭,以避免电池深度放电。 [颜色=红色] [/色]我应该使用哪些组件?谢谢!
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