When the protruding positive pole contacts the battery contact elastic piece, the protruding positive pole will contact the contact piece.

当电池的凸出正极接触电池接触弹片时，凸出正极会接触到接触片。

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Now, engineers at Microsoft have developed a mechanical battery contact system that should ensure that, in the future, such scenarios never take place again.

现在，微软的工程人员开发了一个电池接触器系统机械装置可以确保以后这样的情形不会再发生。

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They expected the flight to last five hours, but soon lost contact with it, fearing that the low temperatures had frozen the phone's battery.

他们预期此次飞行能长达5个小时，但很快就与装置失去了联系，并担心低温会冻结手机的电池。

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"But their cell phone battery died, and contact was lost, " the department said in a news release.

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If battery problems persist after the update, Apple has said users should contact their local Apple store or retailer and the firm will arrange replacement batteries free of charge.

BBC: NEWS | Technology | Apple admits laptop battery issue