Specification - Dell laptop WDXOR Replacement Battery Type: Li-ion; Voltage: 11.4V; Capacity: 42WH; Cells:3-Cell; Model: WDX0R.!!! Notice!!! Not compatible with 33YDH(56Wh 4-Cell) or YYRD6(42Wh 3-Cell), please check the original battery before purchasing to make sure it is compatible These Latitude laptop models are compatible with two types of batteries: a 42Wh(WDX0R) and a 56Wh(33YDH) version. Please make sure your laptop uses the 42Wh (WDXOR) battery before purchasing. Compatible models include: Latitude 3340, 3400, 3480, 3490, 3500, 3580 and 3590. COMPATIBLE MODEL - (Check description below for more models) Dell Laptop Battery WDX0R P69G001 3CRH3 FC92N T2JX4 C4HCW Y3F7Y Dell Battery 3-cell 42WH 11.4v Li-on WDX0R Dell Battery Dell Inspiron 15 5570 Battery Inspiron 13-7378 battery Inspiron 15-7579 battery Dell Inspiron 5579 5379 Battery Dell Inspiron 5567 Battery Dell Inspiron 13 7000 Battery Dell Inspiron p69g Battery Dell Inspiron 7573 7560 Battery Compatible for DELL Insp