????????【Dell OEM Parts 】Item Model: 1F22N ; Battery Type: Li-ion; Voltage: 15.2V; Capacity: 60Wh/3750mAh 4-Cells; Battery Color: Black.【Note:】There are two battery “60Wh 1F22N 4cell” and “90Wh XRGXX 6cell ”compatible with these laptops, Please choose which one you are going to replace and according to your laptop's original battery.