Fits for MacBook pro 15 inch a1398 battery Battery ModelA1417. Parameter--Capacity:8680mAh/95Wh, Voltage: 10.95V. Battery Type: Li-Polymer Battery Advantages 1.More than 1500+ recharge cycles over the life of the battery; 2.100% Safe with Upgrade chip to ensure 6-fold protection, eg.Intelligent temperature control-Over heat protection, Over charging protection, Short circuit protection...Without (swollen battery) Damage to laptop, 3. High Performance Electric Core, Real capacity can ensure the long operating time after charging full Why choice us 1.Exporting globally, National certification certificate available, 2.Provide professional installation guide-Professional engineer team, 3.12 Months After-sales service Compatible with Macbook pro 15 inch A1417 Laptop Battery is only for Macbook pro 15 Inch A1398 (Mid 2012 and Early 2013) Retina Series. Please Note: NOT Fit Macbook pro 15 A1398 (Late 2013 Mid 2014 Early 2015). (More detail in the picture), Battery Model: A1