820-01949 service recommended

Kyle93

Active member
This board has a strange issue to where it's stuck always saying service recommended for the battery. Tried a known good battery that shows normal from another unit but still same problem on this board. Battery otherwise charges and works no problem.

Tried reinstall osx and pram reset. Is there anything else that can cause this odd issue??
 

2informaticos

Administrator
Staff member
Reinstall the original macOS which came with the machine.
This battery issue I saw it several times with Big Sur; but in older machines.
 
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