If you have had your iPhone for a while, you will have noticed that you have to charge it more and more often. We explain why this is the case and how you can limit it somewhat.
Do you have to charge your iPhone more and more often? This is the reason
It won’t be news to you that batteries don’t last forever. Capacity simply decreases over time. Ultimately there is nothing you can do about it. The only thing you have some influence on is the extent to which the capacity decreases. And thus how quickly it starts that you have to charge your iPhone more often. To understand what this takes, you first need to know how batteries work.
All batteries work the same way. They consist of three parts: on the one hand a part that contains energy that would like to get out. On the other hand, a part that contains no energy. In between there is a part that stops the energy. When the battery supplies energy, the energy in the battery moves from one side to the other. Until that one side is empty. During charging, the energy returns to that side.
Your iPhone contains a lithium-ion battery
Lithium batteries are very light and can still store a lot of energy. The lithium is on the side where the energy is stored. If the battery supplies energy, the lithium atoms lose their electrons, so that they are no longer atoms, but ions. The lithium ions are moved to the other side. If they have all been moved, your battery is empty.
As electrons and ions move back and forth, the other materials in the battery change and form barriers. The more you use the battery, the larger those barriers become and the more difficult it is for the ions to move from one side to the other. This is the reason that over time you have to charge your iPhone more and more often.
Charging your iPhone more and more often is unavoidable
The process we describe above happens irrevocably. Ultimately you can’t stop it. You can postpone it for a while. You do that by one good charger and good cable (preferably not wireless charging), keep the battery between 30 and 90 percent charged as much as possible and do not let your iPhone get too hot.
-> Read more about how to properly charge your iPhone
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