Description: Capacity: 48Wh Voltage: 11.4V Number of cells: 3 Cells technology: Li-Polymer Warranty: 12 months Cells manufacturer: Green Cell Overheat protection: Yes Colour: Black Overdischarge protection: Yes Overcharge protection: Yes Product code: AP32WX Manufacturer: Green Cell Compatibility list: Compatible with following battery models : A1965 Compatible with following devices : Apple MacBook Air