Description: Capacity: 4400 mAh Voltage: 11.1V (10.8V) Number of cells: 6 Cells technology: Li-Ion Warranty: 12 months Colour: Black Overdischarge protection: Yes Overcharge protection: Yes The possibility of return: Up to 30 days Product code: DE80 Manufacturer: Green Cell Compatibility list: Compatible with following battery models : WGCW6,0CXF66,0K8HC,1N9C0,1N9CO,3K7J7,451-BBID,451-BBIE,451-BBIF,7W6K0,7W6KO,970V9,97OV9,9TJ2J,CXF66,F49WX,FT6D9,M7T5F,N5YH9,NVWGM,OCXF66,OK8HC,TU211,VJXMC,VV0NF,VVONF Compatible with following devices : Dell Latitude P44G001,Dell Latitude E5440,Dell Latitude E5540,Dell Latitude P44G