How does charging a phone beyond 80% decrease the battery’s lifespan?

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Samsung and Apple both released new phones this year that let you enable a setting where it prevents you from charging your phone’s battery beyond 80% to improve its lifespan. How does this work?

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Anonymous 0 Comments

Why don’t they just virtually cap the battery at 80% and show it as 100%. Why the need for each user to enable that feature when it clearly is counterintuitive for everyone.

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