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Let me share what I discovered. 1.   2. System Information -\> Power (Maximum Capacity: 100%)  3. My old MacBook Pro 2020 (Full Charge Capcity (mAh) : 4665)  4. For M1 there is no **Full Charge Capcity (mAh) instead that Maximum Capacity in %** 5. Going forward and run in terminal: ioreg -w 0 -f -r -c AppleSmartBattery 6. And as you see there are no issues as well  7. Run Apple diagnostic: no issues  8. By the way forgot to mention, I did not start with clean instal when had bought MacBook Air m1. I run through 'Assistance Migration' and restored from backup of my MacBook Pro 2020 on Intel **Conclusions:** Looks like Alert triggered/triggering by the fact that it is looking in the field Maximum Capacity which is in **%** but parsing it as field in **mAh**. Hope Apple will fix that in 11.3 (in 11.2.1 not fixed) Posted on Feb 28, 2021 12:20 AM Me too (48) Me too Me too (48) Me too [Reply]() ## Similar questions - [6 month old MacBook Air M1 reporting that battery requires service Macbook Air M1 (2020) running Big Sur 11.6 After 13 charge cycles, the battery capacity has been reduced to 67%. Under normal use, 1000 cycles usually leaves the battery at 80% capacity, according to Apple. Looking online, it seems this is a well-known issue. Some users report correcting the issue by calibrating the battery. Others say it's an issue in Mac OS Big Sur. Please advise if this can be fixed in software or if the hardware is faulty and must be returned to the store. 485 2](https://discussions.apple.com/thread/253466859) - [Service Battery warning but diagnostics give me ADP000 - No issues I get a Service Battery warning, but when I run diagnostics I get ADP000 which says No issues Found, "not" the diagnostic code for "Service Battery" Weird. I reset SMS, same thing, I get a Service Battery warning in the battery icon, but again nothing via Diagnostics My battery cycle count is just 169, and in Battery Information under System Information I also see "Service Battery" I let the battery run down to 0 percent, let it set for a day, charging it back up to 100%, same errors. How long should I hold a charge? I usually keep it plugged into the power charger etc here at home. Don't take it out of the house much at all. What else can/should I do?? It's a 2017 13" MaBook Pro with 4 thunderbolt ports, still running Mojave 10.14.6 because at times I need to run a 32bit application to use an old scanner.... Would an OS Upgrade help? Could it be a Mojave thing? Thanks 625 3](https://discussions.apple.com/thread/255032959) - [MAC AIR BATTERY SERVICES REQUIRED " The Battery isn't functioning normally and requires service, pls check your service option " like this massage is running in Battery Profile.. I hold with 60ah charger also with 6Hr. now also no improvement in battery level it is 1% only showing. 408 1](https://discussions.apple.com/thread/253380637) 9 replies Loading page content Page content loaded [User profile for user: okhytrykh ](https://discussions.apple.com/profile/okhytrykh) [okhytrykh](https://discussions.apple.com/profile/okhytrykh) Author User level: Level 1 18 points [Mar 7, 2021 8:49 AM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=252504704021#252504704021) Please close the topic, an issue addressed. You need: 1. Install MacOS from scratch follow <https://support.apple.com/en-us/HT211983> 2. \* if you would like to restore from backup: Run Migration Assistant but don not migrate \`Settings\` from the backup 3. Result:  [Reply]() Link [User profile for user: woodmeister50 ](https://discussions.apple.com/profile/woodmeister50) [woodmeister50](https://discussions.apple.com/profile/woodmeister50) User level: Level 7 20,883 points [Feb 28, 2021 12:10 PM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=252504704021#252504704021) FWIW, take it to an Apple service center and have them check it out. Like everything else these days, a battery in a laptop isn't just a battery anymore. It has multiple sensors and some component embedded in it with serial number and who knows what else. It could be one of these items are reporting a fail but is not tested in the basic built in diagnostics test. [Reply]() Link [User profile for user: okhytrykh ](https://discussions.apple.com/profile/okhytrykh) [okhytrykh](https://discussions.apple.com/profile/okhytrykh) Author User level: Level 1 18 points [Feb 28, 2021 12:56 PM in response to woodmeister50](https://discussions.apple.com/thread/252504704?answerId=254723584022#254723584022) So far cannot, it’s my working laptop and so far don’t have by what substitute when they will bring it up for any kind of checks for at least 2weeks. That’s why wondering is it just software bug based on my investigation or hardware issue. Mine produced in Sep 2020 btw [Reply]() Link [User profile for user: tbirdvet ](https://discussions.apple.com/profile/tbirdvet) [tbirdvet](https://discussions.apple.com/profile/tbirdvet) User level: Level 6 16,735 points [Feb 28, 2021 7:15 AM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=252504704021#252504704021) No issue like that on my MBA M1. Not sure why you would show this. I have 11.2.2 [Reply]() Link [User profile for user: okhytrykh ](https://discussions.apple.com/profile/okhytrykh) [okhytrykh](https://discussions.apple.com/profile/okhytrykh) Author User level: Level 1 18 points [Feb 28, 2021 9:23 AM in response to tbirdvet](https://discussions.apple.com/thread/252504704?answerId=254721876022#254721876022) Attempting to figure out how to deal with that. Did you restore from backup or used clean account provisioning? [Reply]() Link [User profile for user: Owl-53 ](https://discussions.apple.com/profile/Owl-53) [Owl-53](https://discussions.apple.com/profile/Owl-53) User level: Level 10 100,567 points [Feb 28, 2021 10:17 AM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=254722561022#254722561022) Not sure if this will work on the M1 chip - Power Down. Press Power Button and HOLD for 10 seconds and do this 3 times in a row. Kind of like a SMC but M1 does not have SMC of NVRAM [Reply]() Link [User profile for user: okhytrykh ](https://discussions.apple.com/profile/okhytrykh) [okhytrykh](https://discussions.apple.com/profile/okhytrykh) Author User level: Level 1 18 points [Feb 28, 2021 11:00 AM in response to Owl-53](https://discussions.apple.com/thread/252504704?answerId=254722908022#254722908022) Would not help, guide for Intel SMS reset( [Reply]() Link [User profile for user: Owl-53 ](https://discussions.apple.com/profile/Owl-53) [Owl-53](https://discussions.apple.com/profile/Owl-53) User level: Level 10 100,567 points [Feb 28, 2021 11:07 AM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=254723165022#254723165022) Though so - ;-(( [Reply]() Link [User profile for user: tbirdvet ](https://discussions.apple.com/profile/tbirdvet) [tbirdvet](https://discussions.apple.com/profile/tbirdvet) User level: Level 6 16,735 points [Mar 8, 2021 8:57 AM in response to okhytrykh](https://discussions.apple.com/thread/252504704?answerId=254722561022#254722561022) If you mean what I did when I got my new MBA M1, I used migration assistant during initial setup. [Reply]() Link This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or [search the Community](https://discussions.apple.com/search) for additional answers. - Go to page of 1 new Air M1 Battery Condition Service Recommended Welcome to Apple Support Community A forum where Apple customers help each other with their products. Get started with your Apple Account. [Learn more](https://discussions.apple.com/learn) [Sign up](https://discussions.apple.com/login) ## Apple Footer - This site contains user submitted content, comments and opinions and is for informational purposes only. Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. 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