Battery input is monitored and a fault signal becomes active when VBAT is out of its operative range.

当 VBAT 超出其工作范围时，将监视电池输入并激活故障信号。

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A fault in the voltage-control mechanism may thus cause a battery to become overcharged, which, in turn, might precipitate a deeper discharge than normal.

电压控制的装置出现错误可能会导致蓄电池组充电过度，这反过来可能会加速放电，比正常情况更严重。

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Fault Analysis and Treatment : I may be the battery on the motherboard without electricity caused.

故障分析与处理：很可能是主板上的电池无电造成的。

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The figures pre-date the grounding of the 787 worldwide earlier this month by air regulators over a battery fault.

BBC: Boeing revenues hit record before Dreamliner grounding

The battery on one JAL plane caught fire, while an ANA flight had to make an emergency landing due to a battery fault.

BBC: Boeing revenues hit record before Dreamliner grounding

The pilots also received a warning that there was a fault in the battery system.

BBC: Top Japan airlines ground Boeing 787s after emergency