609      iPhone_iPad_Mac_apple

MacBook Air Battery

Hi, I purchased the MacBook Air 2017 2 months ago I found the battery full charge capacity has dropped down to almost 91%( lost 9% from design capacity). Is this normal or should I get it checked. Thanks in advance.   

Battery Info:

Design capacity:        7150mAh.

Full charge capacity: 6518mAh.

Charge cycles:           26.

Hi,

Try resetting the SMC: https://support.apple.com/en-us/HT201295.

Apple's battery warranty is that it holds at least an 80% charge for up to 1000 cycles during the warranty period, so I don't think they're going to do anything about it. Still, it wouldn't hurt to ask them. You have 90 days of free phone support, or you can bring the Mac to an Apple Store “genius” bar: https://support.apple.com/contact

最後更新：2017-10-21 23:29:09

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