Apple Watch Battery draining fairly quickly; Battery Health stuck at 80%

  • For context, I have an Apple Watch Series 7 SS+Cellular. I bought it at launch, and it's been my main watch since then; I even use it as a sleep tracker.
  • If I use it while sleeping, I charge it back to 100% after waking up.
  • For the past few months, I've noticed less battery life, and the Battery Health percentage degraded quickly over the weeks. IIRC, it was at 85% the first time I saw it, and maybe a month or so after, it was at 81%
  • I've contacted Apple Support and followed all their recommendations, such as a factory restore. However, the issue persisted, and they always mentioned service was not needed due to the Battery Health status.
  • Now, the Apple Watch reached 80% and has been stuck there for about a month, maybe a bit more, which I find very strange considering the Apple Watch battery health degradation history/trend.


  • I know it's a reasonably old Apple Watch, ~two years of use, and battery degradation is expected. However, I find it super suspicious that it would stop decreasing the percentage at 80% (considering that service is due under 80%).
  • The Apple Watch is under an AppleCare+ subscription, so I don't see why requesting service would be so tedious and why the OS would stop the Battery Health at 80%.

Apple Watch Series 7, watchOS 10

Posted on Jan 5, 2024 06:44 AM

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12 replies

Jul 22, 2024 09:18 AM in response to ORoldan06

My brother has an Apple Watch 5, which he bought a full year before me getting an Apple Watch 6.

Both are stuck at a battery health of 80%.


My Apple watch 6 went down from 86 to 80% in about 4 months, and has been stuck at 80 since October 2023.


Fishy? Then again, I am sure Apple will not want to face another lawsuit for throttling batteries percentages.


Sep 11, 2024 01:40 AM in response to Lukas-Medialook

You will get the identical watch. No upgrade.


My wife’s Hermes had the three year AppleCare plan. We extended it on a monthly basis. Three months later, the battery went under 80%. Apple shipped a brand new Hermes case, of the identical model.


With my series 4, they shipped me the identical one, but used with dings, not new.


I realized that they have a ton of old watches kept in stock for this purpose. I guess only Hermes owners get a brand new one. If you have the stainless steel, get zAppleCare and pay the monthly extension until the battery drops below 80%. I pay $ 3.99 a month on my four year old IPad Air series 4. My Hermes was $ 5.99 a month. Prices vary. I wouldn’t do it for an aluminum one.

Jul 22, 2024 09:43 AM in response to Alfonso

I’ve a Series 5 I bough shortly after they came out in September 2019. So, mine dropped below 80% when it was 3 to 4 years old. So, it’ll definitely drop below 80%.


Batteries age differently depending on usage patterns, charging patterns, temperatures and many other factors. No two batteries are going to age identically.


Apple never messed with the percentages. What the law suite was about was throttling the performance and not telling the device owner. The result being the device performed slower and slower as it aged. Apple argument for doing so, was they were protecting battery capacity so if the user needed to use the phone or Watch need to call 911 because of a a fall and an accident, battery capacity would still be sufficient. People sued and now, you are free to drain your battery and have nothing when you might need it most.

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Apple Watch Battery draining fairly quickly; Battery Health stuck at 80%

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