Why do people say its better for batteries to keep them in the range from 20% to 80%?

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I have just seen a post about battery usage and how batteries actually get weaker each loading cycle. Also, I have heard that batteries should be kept in the range from 20% to 80% since its better for their durability. It seems to me that these facts refute each other. So how are both of them true apparantly?

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Anonymous 0 Comments

It does apply indeed. You have cycle ageing and calendar aging influencing the capacity and available power of a modern day lithium-ion battery.

https://batteryuniversity.com is a great source of information.

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