Low Power Mode is available on several of Apple's MacBook laptops that were manufactured in 2016 or later and provides a way to extend battery life when it starts to run low. Apple describes it very briefly, stating, Low Power Mode " reduces energy usage to increase battery life ." However, a chat with an Apple Support representative was able

1 Answer. That’s totally normal - especially if you use the machine a lot. You can get battery service if it falls under 80% while in coverage like AppleCare. You’ve got the correct settings and as long as you keep it cool while charging you should be fine. The number can bounce so check on it again in 30 days.
Those 400, 450, or 500 nits of brightness depending on model take some power, so dimming the screen reduces that. It prolongs the life of the battery by extending the time before you have to
Hold down the Shift, Control, Option, and Power keys. Turn on the Mac. Look at the battery status menu to see if the Service Battery Warning message is still there. 2. Recalibrate the Battery. A service battery warning on a MacBook can be a real bummer, but the good news is you can fix the issue.
Mac laptops may be eligible for an extended battery-only repair period for up to 10 years from when the product was last distributed for sale, subject to parts availability. Find out which products are obsolete:
While some of these machines can last well over 24 hours, they're in a class of their own. The MacBook Pro 14-inch has impressive battery life but isn't as long-lasting as the new MacBook Pro
For the original, "Late 2008," and "Mid-2009" MacBook Air models you essentially have to remove the bottom case (ten screws), unscrew the battery (nine screws), and finally, just unplug the battery and remove it. The procedure is slightly different for the original model and the "Late 2008/Mid-2009" models and a bit different for the "Late 2010 How Long Does 5 Percent Battery Last on MacBook Air? Assuming you are talking about a MacBook Air with a 11-inch display, the 5 percent battery life will last for approximately 2 hours and 12 minutes.
I get a steady 10% per hour with video. I do a lot of writing and often get 12-14 hours – Scrivener, dictionary, Spotify, occasional browsing with Safari, email. Battery life is dependant on use, of course. For example, I use dark mode, and so I have the screen brightness set fairly low.
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  • how long does a macbook air battery last