Lin claims the batteries will not degrade until they have been fully charged 2, 000 times, which should take seven years, and even then, the battery's capacity only drops to 80%.

林宣称，在2000次充放电中电池不会降低储电量，大约可以使用七年，即使超过2000次，电池的储电量最多跌到80%。

youdao

When the headset is fully charged the battery indicator turns solid green for five minutes and is then turned off.

当耳机完全充电电池指示灯五分钟，是稳定的绿色然后关闭。

youdao

Then there's the issue of making sure not one but two phones are fully charged, and keeping track of two sets of power cords.

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