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3MB 공유 L3 캐시 2.5 GHz 듀얼-코어 Intel Core i5 프로세서 (Turbo Boost 최대 3.1 GHz).

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Battery percentage suddenly drops from ~60% to 7%

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A few weeks ago, I decided to replace my macbook’s battery - after 5ish years, the only thing about this laptop (the best laptop ever made) was the battery life drained quickly. I ordered a battery + kit from iFixit, and replaced the battery. I conditioned the battery, but every time it discharged it would jump from above 50% battery to 7% battery, then die shortly after (i.e. a very discontinuous discharge). I received a replacement battery for the replace from iFixit, and replaced again. However, I’m still having the same problem with the battery jumps . I figure it’s unlikely to be the battery, but am unsure what else could could be causing the issue. I’ve reset PRAM and SMC.

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가장 유용한 답변

Download Coconut Battery on your Mac and add some screenshots to your question, thus we may be able to see some additional technical figures. However that seems to me another faulty battery, there seem to be quite a bit in the market with such percentage jumps issue and hibernation not working at all.

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Added a screenshot of activity monitor and coconut battery

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@tumblingpenguin As I feared, another faulty battery, capacity is not coherent with 3 charging cycles and behaviour confirms its bad performance. Just ask for a replacement.

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the censers that control the % of battery may be shot or they may not be wired up correctly

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jacob sager 가/이 대단히 고마워 할 것입니다.
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