Absolute like for like replacement of the OEM battery - no issues after a couple of weeks and very happy. My original mid 2015 batteries were a swollen horrible mess and my case was warped out of shape. However, Apple were not interested in offering a warranty replacement saying that mine were outside of the scope. I even thought about trading in the MacBook, but they offered nothing. They would only replace the battery for $199 plus tax. So I bought this battery and set about installing it myself with the help of a youtube video. You need that video! You would think that replacement would be a few screws and 10 minutes? Set aside two hours and expect to take out almost everything. The end result is my MacBook working perfectly and the case no closes properly.
Verified purchase: Yes | Condition: New
This is not an OEM battery. A brand new true OEM battery has a full charge capacity of 8600 mAh. This battery has a full charge capacity of 3531 mAh. My original battery had over 1100 cycle count and still lasted longer than this one!
Verified purchase: Yes | Condition: Pre-owned
It's only been about a week since the installed this battery (not nearly as difficult or complicated as ifixit makes it out to be) but so far it feels like a brand new computer. Of course it helps that while I was in there I removed a lot of dust built up over 6 years and put some new rubber feet back on the bottom. So now it runs cool, quiet and the battery life is stellar!
Verified purchase: Yes | Condition: New
Direct fit replacement. Battery has good capacity and holds a much better charge than the aged battery that was originally in the laptop.
Verified purchase: Yes | Condition: New
So far so good. I've had back luck with replacement mac batteries before - but this one seems to hold a charge well and reports the proper capacity.
Verified purchase: Yes | Condition: New
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