OEM Standards Manufacture: Real capacity 11.36Volts=99.5Wh 8755mAh. Same manufacturing standards as the original A1618 battery for MacBook Pro Retina 15 Inch Model A1398. Provide up to 1000+ recharge cycles and support fast charging with overcharge and discharge circuit protection Compatible Mac Models: Fit for MacBook Pro 15" Model A1398 Late 2013, Mid-2014, Mid 2015 Version, Not for Mid-2012/Early 2013 Version), EMC: 2674, 2745, 2876, 2881, 2909, 2910. Model Identifier: MacBookPro11,2 & MacBookPro11,3 & MacBookPro11,4 & MacBookPro11,5