laptop battery, battery for DELL Inspiron 630m, Inspiron 640m,Inspiron E1405, XPS M140 laptop battery, battery for DELL Inspiron 630m, Inspiron 640m,Inspiron E1405, XPS M140Specification:FACTORY CODEDELL 640MTYPELI-IONVOTAGE11.1VCAPACITY7200mAhCELL9DIMENSION206.70*68.00*23.85(mm)WEIGHT455gREPLACE P/N312-0373, 312-0450, 312-0451, 451-10284,C9551, DH074, RC107, TC023, Y9943FIT MODELDELL Inspiron ...