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Apple's 2016 revision to their laptop lineup targeted at professional users. Features a 15-inch, 2880-by-1800 Retina display, quad-core Intel Core i7, 256 GB / 512 GB /1 TB / 2TB storage options, 16 GB RAM, and a keyboard equipped with a Touch Bar. Released November 2016. Features Model A1707.

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Why has my Battery Design Capacity already declined that much?

A year ago i bought a replacement battery from ifixit for my A1707 MBP (2016).

Not to mention the installation was a horror, but now I once again checked on Coconut Battery, because i had the feeling that my battery doesn't last as long.

Is it normal for a replacement battery to lose 14% Capacity in just a year?

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Answer this question I have this problem too

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I would say it depends not only on time - it depends on the how many times you are charging it in a given time as well. 262 times in under a year is a massive amount of load cycles (IMHO). If you consider the max. 1.000 cycles Apple is advertising (and max. 500 cycles 3rd party sellers are giving) your battery seems to be quite fine for me.

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