Apple 推出加入电池健康度管理的 macOS 10.15.5
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Q:Is it good to keep my phone always fully charged?
A:No, not at all. In fact being at a state of charge of 100% stresses lithium ion batteries, such as are found in most phones. A battery can be charged that high occasionally, but you should try not to keep it at 100% for long periods, unplug it when it is charged, or even before.Instead, try to keep a phone between 20 and 80% charge as much as possible, unless you’re using it very heavily (for example if you’re watching video for several hours or something), in which case, if at all possible plug it in, even if that results in it reaching 100% charge, and then unplug it when you’re done.A phone’s battery that is kept with no more than 80% charge will give you about twice as many charge cycles (i.e. the battery will last twice as many calendar months).Going below 20% isn’t advisable either, at the low end batteries can end up permanently and rapidly eroding away electrical contacts inside the battery which will prevent the battery from ever charging again.
相反,尽量让手机尽量保持在20-80%的电量之间,除非你的使用量非常大(比如说你看视频几个小时什么的),在这种情况下,如果有可能的话,尽量插上电源,即使这样做的结果是让手机达到100%的电量,然后在你完成后再拔掉电源。
一个手机的电池,保持不超过80%的电量会给你大约两倍的充电次数(也就是说,电池可以使用两倍的日历月)。
低于20%也是不可取的,在低电量的情况下,电池可能会永久地、迅速地侵蚀掉电池内部的电触点,使电池无法再充电。
https://www.quora.com/Is-it-good-to-keep-my-phone-always-fully-charged
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