电池组也可以记录充放电循环的次数并且发出信息，然后笔记本电脑的电池记录仪能够告诉你电池还剩多少电量。

Itmay also keep track of the number of charge/discharge cycles and send outinformation so the laptop's battery meter can tell you how much charge is leftin the battery.

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每两年更换一次电池——否则会出现临界级别的日志记录。

Replace the battery every two years — critical level log records will begin to appear before that.

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根据系统记录，当手机从充电器上拔下约6.5个小时之后，电池电量开始急剧下降。

The steep drop in reported battery seen past the 6.5 hour mark shows the phone being unplugged.

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