OEM Standards Manufacture: Real capacity 10.95Volts=95Wh 8460mAh. Same manufacturing standards as the original A1417 battery for MacBook Pro Retina 15" 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-inch Model A1398 (Mid 2012, Early 2013 Version Only), EMC: 2512, 2673. Model Identifier: MacBookPro10,1 (Not Fit for MacBook Pro 15" Model A1398 Late 2013, Mid-2014, Mid 2015 Version) Replacement Battery Models: Compatible with MacBook Pro 15 in A1398 laptop, battery type A1417. Parts Numbers: MC975LL/A, MC976LL/A, MD831LL/A, ME664LL/A, ME665LL/A, ME698LL/A, etc How to Get Correct Battery: First, upside down your Mac to get the exact model name & EMC numbers; Second, find and click on About This Mac, and the system model and release year is on the pop window; Third, follow the method 2 and then click on "System Report" the model identifier is on