Dell Latitude E6420 Battery Replace The Following Part Number: 312-1163312-1242M5Y0XHCJWTKJ321NHXVWPRRRFT54F3T54FJX57F1 Dell Latitude E6420 Battery Fit With Following Models: Vostro 3460Vostro 3560Inspiron 14R 5420Inspiron 14R 7420Inspiron 15R 5520Inspiron 15R 7520Inspiron 17R 5720Inspiron 17R 7720Latitude E5420Latitude E5220Latitude E5520Latitude E6420Latitude E6420 ATGLatitude E6420 XFRLatitude E6520