With battery backup, for a long time away.
设有备用电池，长久走时。
If there is an issue with the diesels, you have a battery backup.
如果柴油发电机也发生故障，你还有一个备用电池组。
The XP1-2500 Cable battery backup unit is as small size battery.
XP1- 2500型号的电缆的备用电池的巨细，跟电池的巨细尺寸一样。
The solution is available in two models-standard (PB24) and battery backup (PB24BB).
解决方案有两种模式，一是标准(PB24)和后备电池(PB 24 BB)。
Look for a Child unit that has a backup battery in case of power failure.
寻求一个儿童组表示，有一个备用电池，在案件的电力供应中断。
It combines a battery and inverter for portable electricity and backup power anytime.
它结合了电池和逆变器的便携式供电和备用电源随时。
The backup battery should be replaced at least once per year.
每年应该至少更换一次备用电池。
The backup battery should be replaced at least once per year.
每年应该至少更换一次备用电池。
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