Ming, Germany sun battery failure caused by the UPS host failure or work abnormal proportion is about 60%.

明，德国阳光蓄电池故障而引起UPS主机故障或工作不正常的比例大约为60%。

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Motherboard battery failure. Check battery.

母板电池故障。请检查电池。

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Hypoxia can also be caused by equipment malfunctions, such as battery flooding or microprocessor failure.

供养不足也有可能由装备问题引起，例如电池泄漏，微处理器出问题。

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"Working with internal and external experts in battery technology, we have proposed a comprehensive set of solutions designed to significantly minimize the potential for battery failure while ensuring that no battery event affects the continued safe operation of the airplane, " said Conner.

CNN: FAA approves proposal for fixing Dreamliner battery woes

Those tests apparently led the airplane builder to greatly underestimate the chances of battery failure, the safety board said.

CNN: Boeing can conduct Dreamliner test flights

As part of their investigation, Japanese and U.S. experts want to determine if an internal battery failure, or defective lithium-ion cell, was the ignition source in either of the two incidents.

WSJ: All Boeing Dreamliners Are Grounded