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I called Apple and they suggested a re-install from the Recovery Partition. I'm in the process of doing that now.
[doublepost=1538160540][/doublepost]I don't think it has anything to do with Chrome. I charged to full again, then only had Safari open. I had it open for about 30 min and it said 4 hours remaining. I was consistently getting 8+ hours before.
Can anyone post a link for instructions on how to do a re-install from the Recovery partition please? I'm having this problem too. I have a MacBook Pro (Retina, 13-inch, Mid 2014). It's been several days since I upgraded.
Thanks, Kathy

Here's a screenshot of my battery health.

Screen Shot 2018-11-10 at 2.09.54 PM.png
 
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I just upgraded a 2018 MacBook Pro from the factory installed High Sierra to Mojave and have noticed no change in battery performance.
 
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