eli5: Why does it take longer for mobile batteries to charge after 70-80%?

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While the batteries now a days charge from 0 to 50 in like 5 to 10 minutes, it almost takes twice as long to charge from that point 100%.

Why?

In: Technology

5 Answers

Anonymous 0 Comments

ELI5 version would be imagine you’re going to a cinema.

You are first to enter the showing room and all the seats are empty. You can easily find a seat to sit down.

When more and more people come and sit down there are less seats and it takes longer to find one and get to it.

For explainational purposes phones are similar that it takes longer for the ions to find a place in the battery when charging when it is close to full

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