It's impossible to know about the longevity of the battery but it is as described and arrived with a charge of 50% to 60%. I've used for a few weeks now and it's working great. I was a little apprehensive about changing it out since it really wasn't designed for a DIYer but it really wasn't that hard and took me about an hour while taking my time. I modified some of the instructions I found online about removing the glued in battery by using a heavy gauge fishing line (50# I believe) instead of nylon cord. I believe the fishing line helped cut thru the glue better than nylon cord would. I also wrapped the ends around some short pieces of PVC pipe that I used as handles to prevent the line from cutting into my skin. I used 91% Isopropyl Alcohol to release the glue and tilted the computer toward the bottom to make sure that the alcohol would not get on any of the electronic components. I happy with the results I got and wish the same for you. Read full review
Verified purchase: Yes | Condition: New
This battery worked perfectly for my MacBook Pro 15” early 2013 laptop. I am not sure if it is a genuine OEM battery from Apple but it does the job.
Verified purchase: Yes | Condition: New
Not a big fan of Apple products at all. But I do have to say that this worked right "out-of-the-box" A real nightmare to replace. But was very relieved when it just fired right up. Thanks.
Verified purchase: Yes | Condition: Pre-owned
Purchased a used Macbook Pro 15” Retina, Mid 2012. 2.3I7, 16GB Ram, dual graphics. As used from eBay, the battery was terrible. It had 530 Cycles so i decided to lay some cash on this. Soon as I booted up, i charged to 100% and using two open apps, it stayed 100% for about 40 minutes. Definitely the best replacement part yet!
Verified purchase: Yes | Condition: New
Perfect fit, great battery life, slightly 100% charge capacity compared to new factory battery (according to coconut battery app). Took a few recharges to reach full charge potential but has been working great for a few months now without issues. On battery cycle 30 right now. Highly recommend, especially as I have had nightmare experiences with other battery brands.
Verified purchase: Yes | Condition: Pre-owned
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