Fits for MacBook pro 14 inch a2442 a2779 a2918 battery】 Battery Model：A2519. Parameter---Capacity: 6100mAh/69.9Wh, Voltage: 11.47V. 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 14 inch】 Macbook pro A2442 A2779 A2918 battery replacement. EMC Applicable number: 3650/8102/8304 (More detail in the picture), Battery Model: A2519【Package】 1pcs - Replacement battery for macbook pro a2442 a2779 a2918, 1pcs - Installation Instructions, Professional necessary installation tools