Description: Capacity: 54.4Wh Voltage: 7.4V / 7.6V Cells technology: Li-Polymer Warranty: 12 months Cells manufacturer: Green Cell Colour: Black Overdischarge protection: Yes Overcharge protection: Yes The possibility of return: Up to 30 days Product code: AP14WX Manufacturer: Green Cell Model: MacBook Air 13" Work time: od 2 do 13h Series: Polymer Compatibility list: Compatible with following battery models : Compatible with following devices :