Macos sierra battery life9/3/2023 You can have Apple replace the battery at one of its stores or send it in for the service. I can’t get too enthusiastic about paying this year’s prices for last year’s hardware.) (I might have replaced this MacBook already if Apple hadn’t let its laptop lineup get so stale. That’s less than I would have expected for a machine that’s seen heavy use since 2012. On my own MacBook Air, which began showing that “Service Battery” message two weeks ago, the cycle count now stands at 753 of the advertised 1,000. You’ll get a long page of details, the important one being the “Cycle Count” listed under “Health Information.” Now click “Power” in the index of hardware categories on the left side of that window. Click on the Apple icon at the top left of the screen, select “About This Mac,” and then click the “System Report.” button. You can see exactly how far down this road your MacBook battery has traveled by checking Apple’s System Information app. Lithium-ion batteries like those Apple uses in its laptops start to lose capacity after reaching that limit, which on most MacBook models is 1,000 cycles. That’s a consequence of the battery going through too many charge cycles, meaning the times you use up all the electricity stored in it. “The battery probably doesn’t last nearly as long as it used to.” “You can ignore it, but I find that once it gets to that point, your computer will start shutting off before the battery gets down to 0%,” said iFixit founder Kyle Wiens. If you use one of Apple’s laptops for enough years, you will probably see this message when you click on the battery icon at the right end of the menu bar.Īpple’s help-file documentation is a study in vagueness: “The battery isn’t functioning normally, and you may or may not notice a change in its behavior or the amount of charge it holds.”įortunately, that note adds that you won’t hurt your Mac if you ignore this advice to get the laptop battery serviced: “You can continue to use your battery before it’s checked without harming your computer.”Īn independent expert in Mac repair agreed, saying the only real risk is decreasing battery life. Can I ignore it, or is the battery about to die on me?Ī. My MacBook Air now shows a “Service Battery” warning under the battery-gauge menu. Watch Video: MacOS Sierra - Five new features
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