The 11-inch MacBook Air lasted 9 hours and 39 minutes, 20 minutes longer than last year's 11-inch.
How much is a mac air 2011 battery movie#
We looped a movie file in iTunes at 200 CD/m2 brightness, with Wi-Fi off and the keyboard dimmed. With either System Information or coconutBattery, you can quickly see how much capacity it’s lost and whether it needs to be replaced. Our battery tests showed that the new MacBook Air was able to maintain its superior battery life. If you’ve got an older MacBook, the battery almost certainly holds less charge now than it did when it was new. Check Your Battery Health A MacBook’s battery is vital to its performance. Losing 15% capacity over almost three years isn’t too bad at all. Models from the 13-inch MacBook from late 2019, 17-inch MacBook Pro from early 2009, and 13-inch MacBook Air from late 2010 and newer all have a 1000 maximum cycle count. You can use the computer during this step, but dont put the computer through heavy use to deplete the battery faster. When it was new, it had a capacity of 8755 mAh. Leave the computer on until it automatically shuts down.
How much is a mac air 2011 battery full#
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.
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. 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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