Low Voltage Alarm 低压报警 ; 低电压报警
high and low voltage alarm 异常电压报警 ; 异压报警器
Battery Low Voltage Alarm 电池低压报警器
Low-voltage alarm, with interface connected to external emergency power supply.
低压告警，具有外接应急电电源接口。
When Germany sun battery voltage to the low limit, alarm notifies the user, and then automatically shut down to prevent the sun battery deep discharge in Germany.
当德国阳光蓄电池电压降到低限时，报警通知用户，然后自动关机以防止德国阳光蓄电池深度放电。
Overloading, set to remind the show due to low voltage alarm, the battery capacity of less than 10% of the police.
超载、欠载提醒显示、低电压报警、电池容量低于10%时报警。
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