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当前版本: Dan ,

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-What I can tell you is batteries do have a lifespan! Your battery is just old! It’s the original battery your system had (or you swapped it out with other used battery). Note the your batteries cycle count is getting very close to the batteries limit of 1,000 cycles and also consider the age limit is around 2,000 days (just over three years). [https://support.apple.com/en-us/HT201585|Determine battery cycle count for Mac notebooks]
+What I can tell you is batteries do have a lifespan! Your battery is just old! It’s the original battery your system had (or you swapped it out with other used battery). Note the your batteries cycle count is getting very close to the batteries limit of 1,000 cycles (currently 884) and also consider the age limit is around 2,000 days which is just over three years (yours 3,253 days old). [link|https://support.apple.com/en-us/HT201585|Determine battery cycle count for Mac notebooks]
Bottomline your issue is most likely a worn-out battery. What is hard to explain is the why! Lets look at a mind model of a bunch of containers are water.
The top container is your charger pouring into a second container via a pipe at the bottom. This is at a max rate of 5. Now the second container has a pipe as well that has a max rate of 10. So as long as the tank was full the time it will take will be '''X''', but if the tank is half full then its '''one half of X''' and clearly if the container is almost empty then it won’t take long for the water to become a trickle of what the upper tank is able to supply a rate of 5.
So how does this translate to your condition? The battery is the second container but it doesn’t have the ability to hold the amount of energy you require to run. So it starts up as there is enough to get things going but not sustain the system, hence your system shuts down.
Time to replace the battery with a fresh one! [product|IF117-047-5] and heres the guide [guide|89197]

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原帖由: Dan ,

文本:

What I can tell you is batteries do have a lifespan! Your battery is just old! It’s the original battery your system had (or  you swapped it out with other used battery). Note the your batteries cycle count is getting very close to the batteries limit of 1,000 cycles and also consider the age limit is around 2,000 days (just over three years). [https://support.apple.com/en-us/HT201585|Determine battery cycle count for Mac notebooks]

Bottomline your issue is most likely a worn-out battery. What is hard to explain is the why! Lets look at a mind model of a bunch of containers are water.

The top container is your charger pouring into a second container via a pipe at the bottom. This is at a max rate of 5. Now the second container has a pipe as well that has a max rate of 10. So as long as the tank was full the time it will take will be '''X''', but if the tank is half full then its '''one half of X''' and clearly if the container is almost empty then it won’t take long for the water to become a trickle of what the upper tank is able to supply a rate of 5.

So how does this translate to your condition? The battery is the second container but it doesn’t have the ability to hold the amount of energy you require to run. So it starts up as there is enough to get things going but not sustain the system, hence your system shuts down.

Time to replace the battery with a fresh one! [product|IF117-047-5] and heres the guide [guide|89197]

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open