With either System Information or coconutBattery, you can quickly see how much capacity it’s lost and whether it needs to be replaced. If you’ve got an older MacBook, the battery almost certainly holds less charge now than it did when it was new. Losing 15% capacity over almost three years isn’t too bad at all. When it was new, it had a capacity of 8755 mAh. When you run the app, you’ll see something like the screenshot below.Īs well as the cycle count, this app shows us that the battery now has a Full Charge Capacity of 7098 mAh. If you want a little bit more info that’s easier to understand, download the free app coconutBattery. For example, it tells you your battery’s current maximum capacity but not it’s original capacity. I’d heard the batteries are actually easy to replace, so this. Last time the battery was dying - about 3-4 years ago - I took it in to a certified Mac repair shop - out of warranty - and they replaced the battery and did some other work on it, charging me 300. This means, you arent getting as many hours of charge that you would have when it was new. My mid-2012 MacBook Air battery was slowly conking out, and I wanted to replace it. ![]() As a Mac battery gets older, the time in between full charges reduces. System Information has most of the data you need to assess your battery’s health, but it’s not very well laid out and could provide a bit more information. Every device, such as a MacBook, MacBook Air and MacBook Pro, benefits from a limited number of cycles until a battery is used up and needs replacing. ![]() If there is a problem with your battery, the “Condition” entry (which shows Normal in our example) will display something like “Service Battery.” Get a Bit More Information with coconutBattery The battery doesn’t need to be replaced yet, but it probably will need to be done later this year. The MacBook in our example has a cycle count of 695.
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