![]() ![]() This MacBook is relatively new, so it has only gone through 24 full charge cycles and should be good for years! Doing this provides a wealth of information about the power system for your MacBook (see screenshot below): Battery information (highlighted in red) and the battery cycle count (green arrow) Once launched, find and click on the word “Power” under Hardware. This launches the System Information utility, which is found in the Utilities folder inside the Applications folder. How do you determine the number of cycle counts your MacBook has experienced? On the About this Mac window (see image above), click the “System Report…” button. Knowing that this is a 2017 13-inch MacBook Pro, I can then visit Apple’s support page on MacBook battery life to see that this device has a maximum cycle count of 1,000. From the Apple menu, select About this Mac… As you can see from the screenshot below, this provides information about the operating system version being used, as well as details about your Mac: About this Mac shows details on the model and year of the computer To determine the maximum cycle count for your MacBook, you’ll need to know the model name and year. For most new MacBook models, that number is 1,000 for older MacBooks, the cycle count can be as low as 300. ![]() ![]() When it gets to the point that your MacBook needs to be plugged in almost continuously in order to operate, it’s probably a good sign that the battery needs replacement.Įach model of MacBook has a specific maximum cycle count number for its battery. During those two days, I’ve experienced one charge cycle.Īfter the MacBook has reached Apple’s “maximum cycle count”, your MacBook still works - it just may not hold a complete charge and last as long when running on battery power. Let’s say that I take my MacBook Pro from 100% down to 50% on both Monday and Tuesday, plugging it in on Monday night to bring it back to 100% charge. A charge cycle means using all of the battery’s capacity - but not necessarily all at once. In this post, I’ll show you how to easily check the health of a MacBook battery and provide some ideas on replacing the battery if testing shows that it’s on its last legs…Īpple’s guideline for MacBook batteries is that they will retain 80% of the original charge capacity after a certain number of complete charge cycles. Does the battery on your old MacBook seem to be unable to hold a charge anymore? Is that used MacBook Pro you’re buying from a friend any good? Batteries are the lifeblood of our Mac notebooks, and fortunately it’s quite easy to get a feel for whether that battery pack still has some life to it or if it needs a replacement. ![]()
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