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５０８．适用于铅酸电池充电器的指示器该装置可以作为许多没有充电指示器的铅酸电池充电器的附加部分。绿色ＬＥＤ灯表示电池极性连结正确。红色ＬＥＤ灯表示电池电压已达到其工作电压，也就是说，电池充满电了。黄色ＬＥＤ指示灯作为开关指示，即表示电源是否连接上。Ｄ...
508. Indicators for lead-acid battery chargers This device can be used as an addition to many lead-acid battery chargers without a charge indicator. Green LED indicates battery polarity is properly connected. The red LED indicates that the battery voltage has reached its operating voltage, that is, the battery is fully charged. Yellow LED indicator as a switch indicates that the power is connected. D ...