SNSYIY A1398 MacBook Pro Battery A1494 A1618 Replacement for MacBook Pro 15 Inch Retina A1398 (Late 2013, Mid 2014, Early 2015), Laptop Battery A1494 A1618 8440mAh. 271. $6698 $99.99. FREE delivery Tue, May 9. User, "cakequin" started the topic, "MacBook Pro Mid 2015 bulging battery twice!" and there were no replies. I almost always have my Mid-2015 15-inch MBP plugged in while I use it. I recently used it somewhere else and then left it in my padded travel case. A couple of weeks later I pull it out and, just as stated by cakequin my trackpad Step 5. Lift the battery out of the upper case. If you're installing a new battery, you should calibrate it after installation: Charge it to 100%, and then keep charging it for at least 2 more hours. Next, unplug and use it normally to drain the battery. When you see the low battery warning, save your work, and keep your laptop on until it goes Puredick A1582 A1502 Battery, Replacement Battery A1502 for MacBook Pro 13 inch Retina [ Early 2015, Mid 2014, Late 2013 ] A1493 - High-Performance and Longevity [11.36V 74.9Wh 18Months Warranty] 4.3 out of 5 stars 1,547 MYIYAE A1618 A1494 Replacement Battery for MacBook Pro 15 Inch Model A1398 (Late 2013, Mid 2014, Mid 2015 Version) Real Capacity 11.36V 99.5Wh 8755mAh DQ FQ. 4. 50+ bought in past month. $5599. I had the exact same thing on a MacBook Pro (13-inch, Mid 2012). Installed the new battery, and my computer flips off every few minutes—once right in the middle of booting it back up. Tried and SMC reset twice, just in case I did it wrong. Let the battery completely drain, then charged all the way back up in case that was it too. OWC or Apple Replacement Battery? (Forums.MacRumors.com, March 3, 2018.) LarryJoe33’s post (July 17, 2017) says his iFixit battery drops from 65% to 7% consistently. He said iFixit was unresponsive, and accused iFixit of sending him a battery that which today sells on Amazon for $37.99. He says the battery was a replacement not OEM. Fed from Puromac walks us through replacing the battery on his 15" MacBook Pro, Late 2013, using a kit from iFixIt. He also shows an alternate technique for ncWqpPZ.