Why it is showing service battery even the battery gives the good time
I bought a macbook pro mid 2012....battery is running fine means it give 3-4 hours backup.
but im facing the issue with that notification showing that service battery.
ok so at some point i saw my battery was 24 % but after a while it shows 35%....
i dont know whats the issue is or should i replace the battery...
here is the screenshot of coconut battery.