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My macbook suddenly shuts down (without and warnings) when the battery level is around 25%. And when I plug the charger back in, it starts charging from 1% but after around 2-3 minute, the charge level quickly jumps back to around 25%, and then starts to charge at normal speed up to 100%.
I think I have pretty worn out batter, as the “Battery Health 2” shows this: Cycles: 982 Age: 1.8 years Battery Heath: 53% (It shows 42% during the first few minutes of working, when the MB turned on after the sudden shutdown, and after few minutes it gets 53%. If I manually restart the MB during the first minutes it shows 53%) My MB has no Liquid damage, and I cleaned the fans 4-5 month ago. -Is there something that I can do to fix this? Or should I just replace the battery asap? And if so, what should I do to make it less worse, should I just leave it plugged in all the time till the new battery arrives? Thank you!
According to Apple, your battery should lose about 20% of its capacity at around 1000 cycles, so everything you’ve described is completely normal according to the manufacturer. The easiest fix would probably be to replace the battery in and of itself, it shouldn’t be
I would recommend not constantly charging the battery, and letting it drain to 0% roughly once a week, to ensure the battery estimates are as accurate as they possible can be.
Ifixit Battery Youtube Video Guide
Have a good one and best of luck!
