# Is it bad for your MacBook’s battery to use it while plugged in?

Owners of older laptops were taught a simple rule: unplug the charger, because keeping the battery at 100 percent cooks it. On a modern MacBook, that advice mostly no longer holds. Keeping the charger connected all day is generally fine. The battery isn't what you need to worry about. Heat is. Wheth

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| Published | 11 October 2026 |

Source: https://egamers.io/is-it-bad-for-your-macbooks-battery-to-use-it-while-plugged-in/