Fits for MacBook pro 15 inch a1286 battery: Battery ModelA1382. Parameter--Capacity: 7200mAh/78.84Wh, Voltage: 10.95V. Battery Type: Li-Polymer. Please note: This is A1382 battery and DO NOT fit for MID 2009, EARLY 2010, LATE2010 (A1286) 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