A1582 Battery inform：Material：Lithium polymer；Quality：335g ；Capcity：11.3V，6600mah，74.9Wh（If you are not sure whether the A1582 battery is suitable for your computer, please contact us before purchasing.）.Compatible with: New model Macbook pro 13 inch A1582 A1493 Battery for A1502 ( Late 2013, Mid 2014,Early 2015 Version ) ME864 ME865 MF839 MF840 MF841 EMC 2835 2875 MF843 if123-054-5.Fast charging. Up to 500 recharge cycles over the life of the battery.Premium Grade A cells make it safe with protection circuit ensures both safety and stability..18 Months Warranty, 30 days money return guarantee! CE-/FCC-/RoHS-Certified for safety; Direct warranty from Manufacturer..[Kindly NOTE]: There is a film on the surface of the battery to prevent the battery from being torn during installation. There may be air bubbles in this layer but the battery is new. Please do not tear off the film during installation.