HUSAN Compatible A1618 Laptop Battery Replacement for MacBook Pro 15" A1398 Retina (2015 Version), Fit 020-00079 MJLQ2LL/A MJLT2LL/A

I have just installed this, so I can't comment on battery life. Maybe in a few months I'll need to update the review.The cells of the battery on my MacBook Pro 15" retina display mid-2015 were still working, but had started to swell. My local authorized Apple repair center wanted $575+tax to replace it. So, doing my own replacement seemed like it might be a good idea. However, I approached this with some trepidation, based on instructions on some authoritative websites. This instructions said to remove all the internal parts, apply solvent, and the pry the old battery loose. Their time estimate was 3 hours. However, I also looked at some other Web postings. Apparently, the reason fro removing the internal parts is to protect parts from being damaged by the solvent used on the 2-sided tape used to secure the battery to the case. Some people reported success leaving the other parts inside, and removing the old battery using fishing line, fine wire, or fine string. This seemed safer to me than prying, even with solvent. So, I filled this approach, and it worked. Once I had assembled the accessories needed, it only took me about half an hour to remove the old battery and install the new one. Since I'm not sure whether Amazon allows links to external sites in reviews, I suggest you go to Youtube and look for videos on battery replacement for your precise model of MacBook, that use the short-cut string method to remove the battery. Some of them are pretty rough and dangerous looking, with thick twine and some battery bending. Don't do that. However, the videos do tell how to remove the essential screws to get ready for the battery removal. Check the photos against the inside of your MacBook, though to make sure it is the same model.The battery came with the necessary screwdrivers, but I needed to pull together some additional materials, most of which are shown in the photo::(1) string/line to release the glue. After a bit of research, I decided on using some very strong thin tightly twisted cotton kite line. Others have reported success with fishing line, cord, and wire, including stranded picture-hanging wire. I chose the kite string because it is soft enough not to damage components, thin enough to slip easily under the battery cells, has a twist that helps saw through the adhesive tape, can wick solvent, and is very strong for its thickness. I imagine carpet thread would probably work equally well, or braided fishing line. I added some D-rings to the ends, to make it easier to hold.(2) Solvent. I also used some concentrated methanol. I suspect 91% isopropyl might have worked equally well. I stayed away from acetone, because worried about breathing it, and because it is more aggressive about attacking plastic items.(3) Something to apply the solvent. I happened to have a small syringe, intended for insulin. However, I believe you could do about as well with a very fine water color brush, fine enough to fit between the cells. I applied a little solvent between the cells, but mainly relied on application to the string, re-applying several times as I made progress sawing through the adhesive tape. If I were to do it again, I think I might skip the direct application, and just apply the solvent to the string. Once the battery was out, I used more solvent to remove the bits of tape, first with the syringe, and then with a small rag.(4) Some old plastic credit/membership cards, like you probably received as promotions in your junk mail. These are good for prying, and keeping the battery cells from re-adhering once you have released them using the string. They are also helpful for scraping loose the bits of tape that are left after the battery comes out (though a finger nail works about as well).In addition, not shown in the photo:(5) Something to put between the screen and the keyboard, to protect the screen.(6) Some soft non-electrostatic material to work on, to protect the case from scratches, and keep small screws from rolling off your table. For both of the above, I used some thin foam packing material.(7) Something to prop up the back edged of the MacBook, so that any excess solvent runs away from the electronics. I used an old keyboard wrist pad.The most anxiety-causing step was positioning the new battery, with its own adhesive tape. It wanted to grab before I had it aligned the way I wanted, but the plastic cards helped, and the tolerances are loose enough that perfect alignment is not necessary.I think I'll try the string technique the next time I need to replace a glued-in battery on another device. It works well.

My 3 year old macbook looked like an over-inflated sausage that was about to burst. If you've never seen this, it's hard to believe.Apple wanted $130 to replace the batteries. I found this set by Husan for just under half the price, so I bought it. Husan quickly fixed an issue with the shipment -- good seller!Rechargeable cells can be made up of high or low quality, expensive or cheap cells. Since the original Apple cells suffered the expansion after less than 3 years, not even Apple is using great cells.But I had no idea that physically replacing the batteries was such a big job. It took me 3 or 4 hours. A lot of time was spent getting the old battery out. They used very adhesive tape to attach the batteries, with no easy way to get the old batteries out. Not fun. You have to wrestle and pry the batteries out without damaging the case. Not very easy.So the big question is, are the cells in this Husan set cheap or good? Will they last one year, three years, five years? Only time will tell. Considering the original Apple cells lasted only 3 years, I'm sure I'll be doing this again. But I do have 20-year old rechargeables that still work. A good many replacement battery sets are made with cheap cells though, that don't even last a year. We'll see how long these Husan hold up ............ If I get less than one year out of this set I'll be pissed. If I get at least 2 years, I'll be satisfied and buy them again.I didn't use the adhesive when I installed these, so it will be FAR easier to replace the batteries next time.ALSO, IMPORTANT: if your original battery is still in the macbook, or you can put it back in, Apply has a recall for some of these model years, and you can get a new battery free. Mine was covered and I took it in, but since it already had a non-Apple replacement battery in it they told me to get lost. This was really the last straw, I'm really sick of Apple and will never buy another Macbook.

Installed one of these in my Mid-2015 MacBook Pro 15 Retina in May 2019 and as of late January 2020, it is showing a battery service warning with a "state of health", per coconutBattery, of 72%--see the attached screenshot. I usually have this plugged in on my desk. I know this isn't an OEM battery but I'd expect it to last at least a year before degrading.To be fair, the battery does still discharge gracefully and doesn't jump from say 70% down to 5% all of a sudden, which is something I've experienced before with other batteries. However, I get less than 2 hours on a full charge now, whereas I used to get from 4.5-6 hours when I first installed it.Some other notes:* the manufacturer shows as "SMP" which matches the original battery--from what I understand at least* I needed to reset SMC and NVRAM as well as run a calibration cycle (search online for instructions). Prior to doing this, the battery died around the 30% mark and another time at an even higher threshold. Once I did this, however, it would drain down below 10% as expected