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how can I check how long a session (from boot to shutdown) has been on my MacBook Air?

Attempting to determine battery usage per hour !!

MacBook Air, macOS High Sierra (10.13.3)

Posted on Mar 14, 2018 3:32 PM

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Posted on Mar 14, 2018 3:54 PM

Not by hour but you can check cycle count > Determine battery cycle count for Mac notebooks - Apple Support

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how can I check how long a session (from boot to shutdown) has been on my MacBook Air?

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