The Dell Laptop battery is compatible with the following list of Dell Latitude Laptops
Dell Latitude 12 7000 E7280 E7480 E7290, E7380 E7390 E7490 Series DJ1J0 Laptop Battery
Voltage-11.4V
Capacity-42Wh
Number of Cells-4 cells
Battery Type-Li-Polymer
Battery Ample-3700mAh