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There should be a lightning bolt in the battery icon in the menu bar. Let’s star with this one: Is the battery charging?Ĭheck if the battery is charging while plugged into the power source. There are some questions to help you identify the problem. What to do if your Mac turns off when it’s unplugged Some older laptops may still develop battery faults that cause the battery to swell-noticing something like that on your Mac? Jump to this article with handy tips to help you deal with the issue. And what’s more, modern laptop batteries rarely develop faults. I doubt you’ve used up all of the battery’s charging cycles. Unless your Mac is ancient and you’ve been charging it every day for years. The system management controller (SMC) on your Mac is faulty and, consequently, unable to manage the battery power correctly.Ī damaged or old battery is the most serious and the least likely to happen.The battery is damaged or too old and can no longer supply enough power to run your MacBook.There are two likely reasons why your MacBook might refuse to run on battery power: Why does my MacBook only work when it’s plugged in? Scary, right? In this article, I’ll explain why your MacBook might turn off when it’s unplugged and what you can do about it. Knowing that, what a surprise it is to encounter an issue like this…

It’s not just that batteries last longer between charges, but how the battery is managed in macOS extends its total lifespan. One of the areas in which Apple Macs have improved significantly in recent years is battery life.

But to help you do it all by yourself, we’ve gathered our best ideas and solutions below. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.