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。
To fully charge a drained battery, connect the unit to external power for six hours.
若想将已耗尽的电池充到饱，请将机组连接外部电源达六小时。
When no car circuits are rated high enough, connect the unit directly to the battery.
当汽车电路额定电流不够大时，可直接把本机连到电池上。
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 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。
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