Apple smartphones (perhaps with the exception of the Plus / Max versions) are not the most “long-playing” devices in the world, so an emergency shutdown due to a dead battery is not surprising for an iPhone owner. It would seem that such a thing – “passed out” and “passed out” … In fact, this is how we slowly but surely kill our gadget.
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Why? Business Insider experts remind: the iPhone uses a lithium-polymer battery. It is characterized by the presence of a strictly defined number of full charge cycles, after reaching this indicator, the battery capacity decreases markedly. A full charge cycle starts when the battery reaches 100% and ends when the charge drops to zero. It is enough to charge the iPhone 500 times (for a more or less active user it will take a year or a little more) – and the battery will lose 20% of its ability to store energy.
When the battery is completely discharged, there is a risk that the battery will go into a “deep discharge” state and, as a result, will lose the ability to hold a charge altogether. Another potential threat is much more serious – the risk of a short circuit increases.
Continuously charging your iPhone for many hours (for example, overnight) is also not the best choice. In this case, the capacity of the battery gradually decreases over time (partly due to overheating). Of course, in modern smartphones there is protection against such problems, but
a) you have to pay for this by reducing the working time;
b) in your life, you must have heard at least once that an iPhone exploded somewhere. Technique, even the smartest, also sometimes fails. 
Conclusion? He is simple. If you want your iPhone to “keep the battery” as long as possible – do not charge it to 100% and do not discharge it “to zero”.
Experts advise keeping the charge in the range of 80 to 20%.
To do this, it makes sense to invest some money in buying an external battery (review of the best models).
And how do you, friends, charge / discharge your iPhone (iPad)?
See also:
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