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。

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It has the function of low voltage alarm. This could remind the user to replace the battery before used up.

具有低压报警功能，电尚未耗尽之前及时提醒用户更换。

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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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