Target machine: MacBook Air, 13-inch, early 2014, MacOS Sierra 10.12.6, used for 4 years very carefully without any problems. Battery has only 70 cycles, condition reported as "Normal", and still works good on long flights. However, yesterday I faced a problem, when the battery was about 50%, system just performed hard shutdown.

MacBook Pro 16-inch 2019 Battery Draining while plugged in Upgraded from a 2018 MacBook Pro 15-inch. Same software, same daily use of zoom for meetings but this new MacBook drains the battery like never before. Can only run for about 5 hours of zoom before it drains from 100% down to 5%.

An M1 and M2 MacBook Pro battery has a life cycle of 1,000 charges, as does a M1 and M2 MacBook Air. In real-world use, if you use your MacBook for six hours a day for standard tasks and only need to charge it every other day, then you can expect your battery to last around five years and four months.
Besides screen brightness, your problem is Chrome. Google "Chrome battery on MacBook". Switch to Safari and be amazed. Also switch to low power mode. There is a thread on here where I posted my battery log for a very long day of usage (like 12 hours) and ending the day at 48% on low power mode.
For light to medium use, the M2 Air (I have the base model) is nearly a 2 day computer. yeah its really good i have like a lot of chrome tabs open along with like outlook, safari, notes, app store, settings, spotify, activity monitor, word, photos, maccy, and some other apps. the battery life is amazing, i tend to charge it at about 15% and i

Before you buy the 2-year-old M1 MacBook Air, here's what you should know from a long-term user. Written by Robin Harris, Contributor July 29, 2022 at 1:22 p.m. PT

how long does a macbook air battery last

MacBook Owners. Your battery is designed to retain up to 80% of its original capacity at 1,000 complete charge cycles. The one-year warranty includes replacement coverage for a defective battery. Apple offers a battery replacement service for all MacBook, MacBook Air and MacBook Pro notebooks with built-in batteries.

1. Check Your MacBook's Battery Condition . Your Mac's battery may not last as long as it once did when it was new, running out of charge relatively faster. Yet you're still running the same apps and completing the same tasks. This could be a sign to check the state of your MacBook's battery. And here's how.

Anyways, it's gone down from 3 hours of life to about 40-50 minutes. But today it started acting very strangely. For the last hour or so, the battery has said "100%", while also telling me it has 10 hours of battery life left. (yes, the adaptor is not plugged in. The Macbook is running on battery power.)

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