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Do I have a defective battery?

I have a MacBook Core Duo and it recently told me to service the battery. When I looked in iStat Pro I saw that I had 126 charge cycles and 60% health. I calibrated the battery and it stayed the same. I have only had the battery for about a year and a half now and I know that you shouldn't have it plugged in for a long time. I charge it then leave it unplugged until it gets to 10% and then I charge it. The reason why I ask if it is defective is because my neighbor has a battery in their Core Duo MacBook that is original to the computer with 745 cycles on it and it has 75% health. If you think it is defective then do you think I could get it replaced by Apple under a manufacturing defect? Thanks in advance.

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投稿日: 2012年4月8日

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To get a good idea of the health of your battery, download, install and run "Coconut Battery". http://www.coconut-flavour.com/

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I previously downloaded this app to get more detailed information on my battery and it told me that the full capacity is supposed to be 5198 mAh but I only have a max of 3125 mAh with a full charge. It also says the battery is 1.6 years old and has 128 charge cycles. Right now I am using the laptop and it has 36 min of time left with a 54% charge and idle.

Owen Cunneely さんによる2012年4月8日

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MacBook Core Duo

Do I have a defective battery?

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